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Surgery - Abscesses
Introduction
An abscess is a mass of necrotic tissue that is encircled by a layer of inflammatory exudate and contains both dead and living neutrophils suspended in tissue breakdown products (pus).
Etiology
An attempt is made to wall off the area in order to prevent the infection from spreading further if a penetrating injury, local infection, or the migration of normal flora to sterile sections of the body break the tissue barrier. Staphylococcus, streptococci, enteric bacteria (like Escherichia coli), various coliforms, and anaerobes (like Bacteroides spp.) are examples of common bacteria. Traditionally, TB leads to "cold" abscesses. Please refer to Associations/Risk Factors and Pathology/Pathogenesis.
Risk Factors
Local: A hernia repair mesh, embedded hair, splinters, tissue necrosis, an underperfused area, or a foreign body that serves as an infection focal point. Systemic: diabetes, immunosuppression (may prevent pus from forming, though).
Epidemiology
prevalent across all age groups.
H HISTORY
The patient may report systemic symptoms like fever and feeling under the weather, or local symptoms like pain, swelling, heat, redness, and decreased function of the area where the abscess is present (dolor, tumor, calor, rubor, and functio laesa, the Celsian signs of acute inflammation).
Examination
At the location of the abscess, the aforementioned signs of acute inflammation are noticeable. The only indication that the condition is present within an organ (such as the liver, lung, or body cavity) could be a swinging pyrexia, which is brought on by the intermittent release of inflammatory mediators or bacteria into the bloodstream and should prompt the search for an infected collection. An old proverb states that pus is under the diaphragm (subphrenic abscess) if pus is both anywhere and nowhere.
Pathogenesis
When pus, a mixture of bacteria and cell debris, forms, it triggers a severe acute inflammatory response. An abscess develops when fibrinous exudate and granulation tissue (fibroblasts and macrophages) encircle it, followed by collagen deposition and walling off. Mycobacterium-containing clusters of caseating necrosis are known as "cold abscesses" because they do not elicit an immediate inflammatory reaction.
Investigational studies
FBC ("neutrophils") in blood.
Imaging: To locate the location of a collection or abscess, imaging techniques such as ultrasound, CT, MRI, or even 67Ga white cell scanning may be employed.
Aspiration: Pus is acidic and low in glucose. Pus culture for the purpose of determining antibiotic sensitivity.
Management
Prevention: If administered early in an infection, preventive antibiotics (e.g., during procedures). Usually ineffective after an abscess develops.
In general: Pus drainage, foreign material and necrotic material removal, antimicrobial cover, and predisposing cause repair are among the guiding principles involved.
Surgery: To remove pus, an incision is made, the cavity is debrided, and then the cavity is allowed to empty freely using either packing (if the cavity is shallow) or drains (if the cavity is deep).
Interventional radiology: An abscess's contents can be located and aspirated using ultrasound or CT guidance.
Complications
Skin cellulitis or bacteremia combined with systemic sepsis may arise from spread. A discharging sinus, fistula, or persistent abscess may develop if the infection's focal point is not removed.
Antibiotics can occasionally permeate and cause an antibioma, or sterile collection, to form. In the event where slow expansion is restricted by strong facial planes, the surrounding tissues may experience pressure necrosis. Tissue that is typically functioning may be destroyed by abscesses (liver or nephric abscess, for example).
Prognosis
Good if predisposing cause is eliminated and sufficiently drained. Abscesses may spontaneously empty themselves and have a tendency to "point" to the closest epithelial surface if left untreated. Deep abscesses could experience dystrophic calcification and turn chronic.
Introduction
An abscess is a mass of necrotic tissue that is encircled by a layer of inflammatory exudate and contains both dead and living neutrophils suspended in tissue breakdown products (pus).
Etiology
An attempt is made to wall off the area in order to prevent the infection from spreading further if a penetrating injury, local infection, or the migration of normal flora to sterile sections of the body break the tissue barrier. Staphylococcus, streptococci, enteric bacteria (like Escherichia coli), various coliforms, and anaerobes (like Bacteroides spp.) are examples of common bacteria. Traditionally, TB leads to "cold" abscesses. Please refer to Associations/Risk Factors and Pathology/Pathogenesis.
Risk Factors
Local: A hernia repair mesh, embedded hair, splinters, tissue necrosis, an underperfused area, or a foreign body that serves as an infection focal point. Systemic: diabetes, immunosuppression (may prevent pus from forming, though).
Epidemiology
prevalent across all age groups.
H HISTORY
The patient may report systemic symptoms like fever and feeling under the weather, or local symptoms like pain, swelling, heat, redness, and decreased function of the area where the abscess is present (dolor, tumor, calor, rubor, and functio laesa, the Celsian signs of acute inflammation).
Examination
At the location of the abscess, the aforementioned signs of acute inflammation are noticeable. The only indication that the condition is present within an organ (such as the liver, lung, or body cavity) could be a swinging pyrexia, which is brought on by the intermittent release of inflammatory mediators or bacteria into the bloodstream and should prompt the search for an infected collection. An old proverb states that pus is under the diaphragm (subphrenic abscess) if pus is both anywhere and nowhere.
Pathogenesis
When pus, a mixture of bacteria and cell debris, forms, it triggers a severe acute inflammatory response. An abscess develops when fibrinous exudate and granulation tissue (fibroblasts and macrophages) encircle it, followed by collagen deposition and walling off. Mycobacterium-containing clusters of caseating necrosis are known as "cold abscesses" because they do not elicit an immediate inflammatory reaction.
Investigational studies
FBC ("neutrophils") in blood.
Imaging: To locate the location of a collection or abscess, imaging techniques such as ultrasound, CT, MRI, or even 67Ga white cell scanning may be employed.
Aspiration: Pus is acidic and low in glucose. Pus culture for the purpose of determining antibiotic sensitivity.
Management
Prevention: If administered early in an infection, preventive antibiotics (e.g., during procedures). Usually ineffective after an abscess develops.
In general: Pus drainage, foreign material and necrotic material removal, antimicrobial cover, and predisposing cause repair are among the guiding principles involved.
Surgery: To remove pus, an incision is made, the cavity is debrided, and then the cavity is allowed to empty freely using either packing (if the cavity is shallow) or drains (if the cavity is deep).
Interventional radiology: An abscess's contents can be located and aspirated using ultrasound or CT guidance.
Complications
Skin cellulitis or bacteremia combined with systemic sepsis may arise from spread. A discharging sinus, fistula, or persistent abscess may develop if the infection's focal point is not removed.
Antibiotics can occasionally permeate and cause an antibioma, or sterile collection, to form. In the event where slow expansion is restricted by strong facial planes, the surrounding tissues may experience pressure necrosis. Tissue that is typically functioning may be destroyed by abscesses (liver or nephric abscess, for example).
Prognosis
Good if predisposing cause is eliminated and sufficiently drained. Abscesses may spontaneously empty themselves and have a tendency to "point" to the closest epithelial surface if left untreated. Deep abscesses could experience dystrophic calcification and turn chronic.
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Surgery - Advanced Traumatic Life Support (ATLS)
Indications
Early trauma management that prioritizes addressing the condition that poses the biggest risk to life.
Procedure
Pre-hospital phase: The trauma patient is promptly assessed. Treatment of shock, hypoxemia, and prompt transfer to a suitable hospital.
Hospital phase: A trauma team, which typically consists of a general surgeon, an orthopaedic surgeon, an anesthetist, and nursing support, conducts the primary survey. The team leader leads the team. Every team member should have a predetermined job, and the team leader should oversee a methodical approach to the primary and secondary surveys.
Control of the airways and the c-spine: suction and oral examination for foreign bodies. Assess the patient's (conscious or unconscious) capacity to maintain their own airway. Chin lift/jaw push, suitable cricothyroidotomy or intubation, orally or nasopharyngeally (not in cases of head trauma) as needed.
Breathing: Use a non-rebreather mask to provide 100% oxygen. Examine the respiratory rate, bilateral breath sounds, symmetrical chest expansion, and tracheal deviation. oximetry of the pulse.
In the event of a tension pneumothorax, decompress the needle on the affected side. Look for emphysema under the skin. A chest drain and a dressing with a seal on three sides are necessary for an open sucking pneumothorax. Seek out the flail chest.
Circulation: Measure blood pressure, pulse pressure, capillary return, and pulse in addition to performing intravenous access (using two large-bore peripheral cannulae) and drawing blood for cross-matching FBC, U&E, and G&S.
Assessing the major bodily cavities, the belly, the pelvis for evidence of pelvic fractures, the chest for hemothorax, and the management of external bleeding are all important aspects of treating shock and hemodynamic instability as well as internal bleeding.
Fluid resuscitation (crystallin, collloid, or blood); nonetheless, "permissive hypotension" of systolic blood pressure may be necessary if intracavity bleeding is not yet under control (not in severe head injury where cerebral perfusion pressure should be optimized). If stable, get a CT scan or a FAST (focused abdominal sonogram for trauma).
Disability: Gross neurologic damage assessed using the Glasgow Coma Score (GCS) or an AVPU (Alert, Voice elicits response, Pain elicits response, Unresponsive) score. Verify your blood sugar.
Exposure: Examine the patient for more injuries, undress them entirely to avoid hypothermia, logroll them, and check for spinal or posterior injuries. Treat and prevent hypothermia by using heated IV fluids, blankets, etc.
Regular evaluation is essential. Any decline necessitates a quick reassessment of the ABC.
A large portion of the ABC may be completed in simultaneously when a team is doing the assessment and resuscitation.
Secondary survey: Does not start until after the completion of the primary survey and the start of resuscitation. comprehensive assessment. MANY history (drugs, allergies, past medical conditions, pregnancy, last meal, and incidents connected to the accident). Regular evaluation is essential! comprehensive neurological assessment. Radiology as well as further recommended testing, including as ABG, FAST scan, and radiographic imaging for any fractures. stomach tube or urinary catheter. Injuries determine whether to pursue more decisive management. Sometimes a transfer to a tertiary trauma or neurosurgical center is required.
Investigational studies
Blood: FBC, suitable crossmatch, U&E, LFTs, clotting, and blood grouping.
Urinalysis: b-HCG if pregnancy risk, urine dipstick for haematuria.
Radiographs of the pelvis, chest, and cervical spine are included in the primary survey. An upright chest X-ray can be used to assess a penetrating abdominal injury.
FAST scanning is now the go-to non-invasive quick assessment method for trauma patients' hemoperitoneum.
CT scanning: When the patient is stable, as needed. An urgent laparotomy is required if there is any suspicion of an intra-abdominal bleed (hypotension, enlarged belly, etc.).
Radiographs: Should there be a possible bone fracture.
Death distribution in three dimensions. caused by a large-vessel, brain, or spinal cord injury early (within minutes). The golden hour, which is the second peak (within hours) of hemorrhage, is the time when there is the highest chance that receiving medical attention quickly can avert death. Sepsis-related third peak (within days to weeks).
Indications
Early trauma management that prioritizes addressing the condition that poses the biggest risk to life.
Procedure
Pre-hospital phase: The trauma patient is promptly assessed. Treatment of shock, hypoxemia, and prompt transfer to a suitable hospital.
Hospital phase: A trauma team, which typically consists of a general surgeon, an orthopaedic surgeon, an anesthetist, and nursing support, conducts the primary survey. The team leader leads the team. Every team member should have a predetermined job, and the team leader should oversee a methodical approach to the primary and secondary surveys.
Control of the airways and the c-spine: suction and oral examination for foreign bodies. Assess the patient's (conscious or unconscious) capacity to maintain their own airway. Chin lift/jaw push, suitable cricothyroidotomy or intubation, orally or nasopharyngeally (not in cases of head trauma) as needed.
Breathing: Use a non-rebreather mask to provide 100% oxygen. Examine the respiratory rate, bilateral breath sounds, symmetrical chest expansion, and tracheal deviation. oximetry of the pulse.
In the event of a tension pneumothorax, decompress the needle on the affected side. Look for emphysema under the skin. A chest drain and a dressing with a seal on three sides are necessary for an open sucking pneumothorax. Seek out the flail chest.
Circulation: Measure blood pressure, pulse pressure, capillary return, and pulse in addition to performing intravenous access (using two large-bore peripheral cannulae) and drawing blood for cross-matching FBC, U&E, and G&S.
Assessing the major bodily cavities, the belly, the pelvis for evidence of pelvic fractures, the chest for hemothorax, and the management of external bleeding are all important aspects of treating shock and hemodynamic instability as well as internal bleeding.
Fluid resuscitation (crystallin, collloid, or blood); nonetheless, "permissive hypotension" of systolic blood pressure may be necessary if intracavity bleeding is not yet under control (not in severe head injury where cerebral perfusion pressure should be optimized). If stable, get a CT scan or a FAST (focused abdominal sonogram for trauma).
Disability: Gross neurologic damage assessed using the Glasgow Coma Score (GCS) or an AVPU (Alert, Voice elicits response, Pain elicits response, Unresponsive) score. Verify your blood sugar.
Exposure: Examine the patient for more injuries, undress them entirely to avoid hypothermia, logroll them, and check for spinal or posterior injuries. Treat and prevent hypothermia by using heated IV fluids, blankets, etc.
Regular evaluation is essential. Any decline necessitates a quick reassessment of the ABC.
A large portion of the ABC may be completed in simultaneously when a team is doing the assessment and resuscitation.
Secondary survey: Does not start until after the completion of the primary survey and the start of resuscitation. comprehensive assessment. MANY history (drugs, allergies, past medical conditions, pregnancy, last meal, and incidents connected to the accident). Regular evaluation is essential! comprehensive neurological assessment. Radiology as well as further recommended testing, including as ABG, FAST scan, and radiographic imaging for any fractures. stomach tube or urinary catheter. Injuries determine whether to pursue more decisive management. Sometimes a transfer to a tertiary trauma or neurosurgical center is required.
Investigational studies
Blood: FBC, suitable crossmatch, U&E, LFTs, clotting, and blood grouping.
Urinalysis: b-HCG if pregnancy risk, urine dipstick for haematuria.
Radiographs of the pelvis, chest, and cervical spine are included in the primary survey. An upright chest X-ray can be used to assess a penetrating abdominal injury.
FAST scanning is now the go-to non-invasive quick assessment method for trauma patients' hemoperitoneum.
CT scanning: When the patient is stable, as needed. An urgent laparotomy is required if there is any suspicion of an intra-abdominal bleed (hypotension, enlarged belly, etc.).
Radiographs: Should there be a possible bone fracture.
Death distribution in three dimensions. caused by a large-vessel, brain, or spinal cord injury early (within minutes). The golden hour, which is the second peak (within hours) of hemorrhage, is the time when there is the highest chance that receiving medical attention quickly can avert death. Sepsis-related third peak (within days to weeks).
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Surgery - Appendicitis
Introduction
acute vermiform appendix infection and inflammation.
AE T IOLOGY
initiated by lymphoid hyperplasia, oedema, or luminal blockage caused by a faecolith (inspissated feces). The less common causes of luminal blockage are caecal cancer and helminth infections.
Epidemiology
One of the most prevalent emergency surgical diagnoses in the UK, with a 7% lifetime risk, can occur at any age, with a peak prevalence in the second and third decades.
H HISTORY
Typical presentation (less than 50% of cases): Pain in the abdomen (typically subsiding after 72 hours), diffuse at first, periumbilical, and colicky (visceral pain subsiding after a few hours). Sharp pain that is restricted to the RIF develops (somatic pain as parietal peritoneum involvement). The most prevalent symptoms are nausea and anorexia. It's possible to throw up.
Other possible manifestations include pain in the lower abdomen (pelvic appendix), right upper quadrant (long appendix), or right flank (retrocaecal appendix). may be linked to frequent urination or loose stools as a result of the inflamed appendix irritating the bladder or colon.
Examination
Facial flush, tachycardia, and mild pyrexia.
Often, rebound tenderness (visible on percussion) and guarding are present along a line that runs from the umbilicus to the anterior superior iliac spine, or McBurney's point, where the intensity of the abdominal pain is greatest.
Pressure applied over the left iliac fossa causes pain in the right iliac fossa, which is known as Rovsing's sign.
Pathogenesis
Transmurally propagating intestinal flora and inflammation are caused by luminal blockage. The swelling causes end artery blockage and thrombosis, resulting in gangrene and necrosis of the appendix. If treatment is not received, the inflammation may become localized by omentumor bowel loops, resulting in an appendix mass or abscess, or it may rupture with peritonitis. Histology may occasionally reveal a carcinoid tumor; if this is larger than 1-2 cm, a right hemicolectomy is recommended.
Investigational studies
A clinical diagnosis of appendicitis is common.
Blood: "WCC and CRP, LFTs, amylase (to check for pancreatitis and biliary pathology), U&Es."
Urine: For pregnancy tests in women of childbearing age, microscopy, culture, and sensitivity.
Imaging: Ultrasound (helpful in skilled hands, frequently difficult to visualize appendix; can reveal other pathology, such as ovarian cysts). CT requires a large amount of radiation exposure but has a 94% sensitivity and 95% specificity. It is particularly helpful if additional disease, such as diverticulitis, is a concern.
Accurate diagnosis and therapy are made possible by diagnostic laparoscopy.
Management
General: intravenous fluids, broad-spectrum antibiotics before and after surgery in the event of severe sepsis symptoms. If there are any unclear symptoms or indications, keep an eye on them and check them frequently.
Surgery: Laparoscopic or open appendicectomies (see Procedures).
After surgery: Antibiotics may be continued, particularly if the appendix is punctured or gangrenous.
Appendiceal abscess: Drainage can be done intraoperatively (with appendicectomy if safe) or percutaneously (with ultrasound or CT guidance, for example). In the event of a clinical deterioration, management of an appendiceal mass may involve periodic reassessment, parenteral fluids, antibiotics, and non-operative treatment. Weeks after the initial procedure, an interval appendicectomy may be done (Ochsner–Sherren method). If an adult does not undergo this, a barium enema or colonoscopy ought to be carried out in order to rule out a right colon malignancy.
Complications
Appendix abscess, perforation, peritonitis, inflammatory mass, and infrequently, portal pyaemia.
Following surgery, there may be an appendix stump faecal fistula, an abscess, an ileus, and wound infection.
Prognosis
An appendixectomy can be cured. It may be fatal if left untreated. The extremely young, the elderly, and pregnant women have greater rates of morbidity and mortality, making diagnosis more challenging in these situations.
Introduction
acute vermiform appendix infection and inflammation.
AE T IOLOGY
initiated by lymphoid hyperplasia, oedema, or luminal blockage caused by a faecolith (inspissated feces). The less common causes of luminal blockage are caecal cancer and helminth infections.
Epidemiology
One of the most prevalent emergency surgical diagnoses in the UK, with a 7% lifetime risk, can occur at any age, with a peak prevalence in the second and third decades.
H HISTORY
Typical presentation (less than 50% of cases): Pain in the abdomen (typically subsiding after 72 hours), diffuse at first, periumbilical, and colicky (visceral pain subsiding after a few hours). Sharp pain that is restricted to the RIF develops (somatic pain as parietal peritoneum involvement). The most prevalent symptoms are nausea and anorexia. It's possible to throw up.
Other possible manifestations include pain in the lower abdomen (pelvic appendix), right upper quadrant (long appendix), or right flank (retrocaecal appendix). may be linked to frequent urination or loose stools as a result of the inflamed appendix irritating the bladder or colon.
Examination
Facial flush, tachycardia, and mild pyrexia.
Often, rebound tenderness (visible on percussion) and guarding are present along a line that runs from the umbilicus to the anterior superior iliac spine, or McBurney's point, where the intensity of the abdominal pain is greatest.
Pressure applied over the left iliac fossa causes pain in the right iliac fossa, which is known as Rovsing's sign.
Pathogenesis
Transmurally propagating intestinal flora and inflammation are caused by luminal blockage. The swelling causes end artery blockage and thrombosis, resulting in gangrene and necrosis of the appendix. If treatment is not received, the inflammation may become localized by omentumor bowel loops, resulting in an appendix mass or abscess, or it may rupture with peritonitis. Histology may occasionally reveal a carcinoid tumor; if this is larger than 1-2 cm, a right hemicolectomy is recommended.
Investigational studies
A clinical diagnosis of appendicitis is common.
Blood: "WCC and CRP, LFTs, amylase (to check for pancreatitis and biliary pathology), U&Es."
Urine: For pregnancy tests in women of childbearing age, microscopy, culture, and sensitivity.
Imaging: Ultrasound (helpful in skilled hands, frequently difficult to visualize appendix; can reveal other pathology, such as ovarian cysts). CT requires a large amount of radiation exposure but has a 94% sensitivity and 95% specificity. It is particularly helpful if additional disease, such as diverticulitis, is a concern.
Accurate diagnosis and therapy are made possible by diagnostic laparoscopy.
Management
General: intravenous fluids, broad-spectrum antibiotics before and after surgery in the event of severe sepsis symptoms. If there are any unclear symptoms or indications, keep an eye on them and check them frequently.
Surgery: Laparoscopic or open appendicectomies (see Procedures).
After surgery: Antibiotics may be continued, particularly if the appendix is punctured or gangrenous.
Appendiceal abscess: Drainage can be done intraoperatively (with appendicectomy if safe) or percutaneously (with ultrasound or CT guidance, for example). In the event of a clinical deterioration, management of an appendiceal mass may involve periodic reassessment, parenteral fluids, antibiotics, and non-operative treatment. Weeks after the initial procedure, an interval appendicectomy may be done (Ochsner–Sherren method). If an adult does not undergo this, a barium enema or colonoscopy ought to be carried out in order to rule out a right colon malignancy.
Complications
Appendix abscess, perforation, peritonitis, inflammatory mass, and infrequently, portal pyaemia.
Following surgery, there may be an appendix stump faecal fistula, an abscess, an ileus, and wound infection.
Prognosis
An appendixectomy can be cured. It may be fatal if left untreated. The extremely young, the elderly, and pregnant women have greater rates of morbidity and mortality, making diagnosis more challenging in these situations.
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Surgery - Gastrointestinal Perforation
Introduction
GI tract wall perforation resulting in bowel contents spilling out.
Etiology
Perforated duodenum or gastric ulcers are the most frequent gastroduodenal conditions; gastric cancer (1-2%) is less common.
In the large intestine, diverticulitis and colon cancer account for the majority of cases (80%); an appendix perforation is a common consequence of appendicitis. Additional conditions include trauma, radiation enteritis, volvulus, ulcerative colitis (toxic megacolon), post-operative anastomotic leaks, and colonoscopy complications.
Rarely, small bowel: radiation enteritis, lymphoma, Crohn's disease, infection (typhoid, TB), trauma.
Boerhaave's syndrome (oesophagus): refer to oesophageal perforation. Iatrogenic perforation happens more frequently during stricture dilatation than it does during OGD.
Epidemiology
Cause determines incidence. On the other hand, bowel perforation-related stomach pain is a somewhat common and potentially fatal emergency.
History
Depending on the reason. Abdominal pain is generally linked to nausea and vomiting, with a fast onset.
Examination
The patient is ill, exhibiting symptoms of either localized or generalized peritonitis, including diminished or absent bowel sounds, guarding, and rigidity in the abdomen. Overlying gas causes the loss of liver dullness. pallor, pyrexia, shock, and dehydration symptoms.
Investigational studies
Blood: ABGs, coagulation, amylase (levels may be elevated in perforation), FBC, U&Es, and LFT.
Erect CXR: In 70% of patients, a perforated peptic ulcer will show gas behind the diaphragm (see Fig. 4).
AXR: Tissues may exhibit aberrant gas shadows. Gas on each side of the colon wall is referred to as Rigler's sign; alternatively, intraperitoneal gas can be seen on a lateral decubitus film.
CT scan: May identify underlying pathology and is extremely sensitive for free intraperitoneal gas.
Management
Intravenous rehydration, correction of electrolyte imbalances, broad-spectrum IV antibiotics, analgesics, urine catheter, and central line as needed are all part of resuscitation.
Conservative: Saved for patients with few symptoms, little contamination, or a high risk of anesthesia. In order to treat gastroduodenal perforations, high-dose PPIs, IV fluids, antibiotics, NG tubes, and monitoring are all recommended.
Operative: Gastroduodenal: Peritoneal lavage and laparoscopy or laparotomy An omental patch is applied once the puncture is sealed. A biopsy of a stomach ulcer is necessary to check for malignancy. Although gastroduodenal anastomosis and Billroth I partial gastrectomy can be performed, closure is more challenging than duodenal ulcers. If positive, post-operative elimination of Helicobacter pylori.
Large bowel: Perineural lavage and site of perforation detection via laparoscopy or laparotomy. removal of the affected colon, typically as a part of a Hartmann's procedure, along with the creation of an end colostomy, exteriorization as a mucous fistula, and closure of the distal stump. Resection and primary anastomosis combined with a failing ileostomy are the alternative. Resection and a primary anastomosis may be possible with a right colon perforation. A subtotal colectomy with a terminal ileostomy and preservation of the rectal stump is done in cases with toxic megacolon of ulcerative colitis (allows future repair of ileoanal pouch).
Complications
mortality, fistula development, peritonitis, and sepsis.
Prognosis
Gastroduodenal: Perforated gastric ulcers have a higher morbidity and death rate than duodenal ulcers, and the prognosis for perforated gastric carcinomas is extremely bad.
Greater prognosis with localized or restricted contamination in the large bowel. The mortality rate from fecal peritonitis is more than 50%.
Introduction
GI tract wall perforation resulting in bowel contents spilling out.
Etiology
Perforated duodenum or gastric ulcers are the most frequent gastroduodenal conditions; gastric cancer (1-2%) is less common.
In the large intestine, diverticulitis and colon cancer account for the majority of cases (80%); an appendix perforation is a common consequence of appendicitis. Additional conditions include trauma, radiation enteritis, volvulus, ulcerative colitis (toxic megacolon), post-operative anastomotic leaks, and colonoscopy complications.
Rarely, small bowel: radiation enteritis, lymphoma, Crohn's disease, infection (typhoid, TB), trauma.
Boerhaave's syndrome (oesophagus): refer to oesophageal perforation. Iatrogenic perforation happens more frequently during stricture dilatation than it does during OGD.
Epidemiology
Cause determines incidence. On the other hand, bowel perforation-related stomach pain is a somewhat common and potentially fatal emergency.
History
Depending on the reason. Abdominal pain is generally linked to nausea and vomiting, with a fast onset.
Examination
The patient is ill, exhibiting symptoms of either localized or generalized peritonitis, including diminished or absent bowel sounds, guarding, and rigidity in the abdomen. Overlying gas causes the loss of liver dullness. pallor, pyrexia, shock, and dehydration symptoms.
Investigational studies
Blood: ABGs, coagulation, amylase (levels may be elevated in perforation), FBC, U&Es, and LFT.
Erect CXR: In 70% of patients, a perforated peptic ulcer will show gas behind the diaphragm (see Fig. 4).
AXR: Tissues may exhibit aberrant gas shadows. Gas on each side of the colon wall is referred to as Rigler's sign; alternatively, intraperitoneal gas can be seen on a lateral decubitus film.
CT scan: May identify underlying pathology and is extremely sensitive for free intraperitoneal gas.
Management
Intravenous rehydration, correction of electrolyte imbalances, broad-spectrum IV antibiotics, analgesics, urine catheter, and central line as needed are all part of resuscitation.
Conservative: Saved for patients with few symptoms, little contamination, or a high risk of anesthesia. In order to treat gastroduodenal perforations, high-dose PPIs, IV fluids, antibiotics, NG tubes, and monitoring are all recommended.
Operative: Gastroduodenal: Peritoneal lavage and laparoscopy or laparotomy An omental patch is applied once the puncture is sealed. A biopsy of a stomach ulcer is necessary to check for malignancy. Although gastroduodenal anastomosis and Billroth I partial gastrectomy can be performed, closure is more challenging than duodenal ulcers. If positive, post-operative elimination of Helicobacter pylori.
Large bowel: Perineural lavage and site of perforation detection via laparoscopy or laparotomy. removal of the affected colon, typically as a part of a Hartmann's procedure, along with the creation of an end colostomy, exteriorization as a mucous fistula, and closure of the distal stump. Resection and primary anastomosis combined with a failing ileostomy are the alternative. Resection and a primary anastomosis may be possible with a right colon perforation. A subtotal colectomy with a terminal ileostomy and preservation of the rectal stump is done in cases with toxic megacolon of ulcerative colitis (allows future repair of ileoanal pouch).
Complications
mortality, fistula development, peritonitis, and sepsis.
Prognosis
Gastroduodenal: Perforated gastric ulcers have a higher morbidity and death rate than duodenal ulcers, and the prognosis for perforated gastric carcinomas is extremely bad.
Greater prognosis with localized or restricted contamination in the large bowel. The mortality rate from fecal peritonitis is more than 50%.
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Surgery - Gastrointestinal Stromal Tumors
Introduction
Mesenchymal tumors of the intestines that could be produced from Cajal interstitial cells or pacemaker cells connected to the Auerbach's plexus that regulate peristalsis. Display an array of malignant potential ranging from extremely low risk to overtly malignant.
Etiology
typified by mutations in either PDGFR-a (platelet-derived growth factor receptor alpha, 5–10%) or KIT (75–80%, CD117), which together activate receptor tyrosine kinase signaling pathways and cause cell division.
Risk Factors
Neurofibromatosis type I, familial GIST syndrome, and Carney's triad.
Epidemiology
Annually, there are 11–15 cases per million and 129 cases of prevalence. Male to female, a large age range, with 75% of respondents being over 50 (median age 58).
History
Possible asymptomatic or inadvertent detection during imaging, laparotomy, or endoscopy. GI bleeding (70%) is one of the other manifestations, along with bloating and abdominal pain (57%), bowel blockage (30%), satiety and weight loss (22%), palpable mass (13%), and, less frequently, rupture.
Examination
Results vary depending on the site, complexity, and size. can occur anywhere in the gastrointestinal system, with the stomach accounting for 50% of cases, small bowel for 25%, colon/rectum for 10%, mesentery, omentum and retroperitoneum for 10%, and oesophagus for 5%.
Investigational studies
Endoscopy: May show a submucosal tumor; biopsies are often negative unless they are "inkwell" biopsies. Endoscopic ultrasound: a traditionally hypoechoic mass that is next to the propria or muscularis mucosa. In general, perioperative or percutaneous biopsy is not advised due to the possibility of tumor rupture and dissemination.
Imaging: 18FDG PET scanning and CT abdominal imaging. in order to pinpoint the tumor's location.
Immunohistochemistry: CD34 (60–70%) and KIT (95%), positive.
Management
The preferred course of treatment for non-metastatic GISTs is surgical resection. If at all possible, complete excision should be tried as it provides a strong probability of recovery. Lymphadenectomy on a routine basis is not advised. For small-to-intermediate tumors, laparoscopic excision is an option. Adjuvant imatinib and neoadjuvent are undergoing clinical studies.
advanced illness To treat advanced or metastatic GISTs, imatinib binds competitively to the ATP binding site and inhibits the receptor tyrosine kinases KIT, PDGFRA, and BCR-ABL. Up to 85% of patients with a median life longer than 36 months had disease control. As the condition worsens, it may be necessary to increase the dosage or to think about surgically removing liver metastases or using radiofrequency ablation. When imatinib treatment is ineffective for advanced cases, sunitinib is given.
Complications
Tumor rupture should be avoided during surgery to reduce the chance of seeding. Haematogenous and local spread modes exist. There can be metastases to the liver or transperitoneum, lung or bone in more advanced cases, and rarely, lymph nodes.
Prognosis
Malignant potential exists in almost all GISTs. Prognostic markers include size (>5–10 cm, more malignant potential), mitotic activity (>5 mitoses per 50 HPFs), completeness of resection, and placement (e.g., stomach more favorable result than small bowel).
Introduction
Mesenchymal tumors of the intestines that could be produced from Cajal interstitial cells or pacemaker cells connected to the Auerbach's plexus that regulate peristalsis. Display an array of malignant potential ranging from extremely low risk to overtly malignant.
Etiology
typified by mutations in either PDGFR-a (platelet-derived growth factor receptor alpha, 5–10%) or KIT (75–80%, CD117), which together activate receptor tyrosine kinase signaling pathways and cause cell division.
Risk Factors
Neurofibromatosis type I, familial GIST syndrome, and Carney's triad.
Epidemiology
Annually, there are 11–15 cases per million and 129 cases of prevalence. Male to female, a large age range, with 75% of respondents being over 50 (median age 58).
History
Possible asymptomatic or inadvertent detection during imaging, laparotomy, or endoscopy. GI bleeding (70%) is one of the other manifestations, along with bloating and abdominal pain (57%), bowel blockage (30%), satiety and weight loss (22%), palpable mass (13%), and, less frequently, rupture.
Examination
Results vary depending on the site, complexity, and size. can occur anywhere in the gastrointestinal system, with the stomach accounting for 50% of cases, small bowel for 25%, colon/rectum for 10%, mesentery, omentum and retroperitoneum for 10%, and oesophagus for 5%.
Investigational studies
Endoscopy: May show a submucosal tumor; biopsies are often negative unless they are "inkwell" biopsies. Endoscopic ultrasound: a traditionally hypoechoic mass that is next to the propria or muscularis mucosa. In general, perioperative or percutaneous biopsy is not advised due to the possibility of tumor rupture and dissemination.
Imaging: 18FDG PET scanning and CT abdominal imaging. in order to pinpoint the tumor's location.
Immunohistochemistry: CD34 (60–70%) and KIT (95%), positive.
Management
The preferred course of treatment for non-metastatic GISTs is surgical resection. If at all possible, complete excision should be tried as it provides a strong probability of recovery. Lymphadenectomy on a routine basis is not advised. For small-to-intermediate tumors, laparoscopic excision is an option. Adjuvant imatinib and neoadjuvent are undergoing clinical studies.
advanced illness To treat advanced or metastatic GISTs, imatinib binds competitively to the ATP binding site and inhibits the receptor tyrosine kinases KIT, PDGFRA, and BCR-ABL. Up to 85% of patients with a median life longer than 36 months had disease control. As the condition worsens, it may be necessary to increase the dosage or to think about surgically removing liver metastases or using radiofrequency ablation. When imatinib treatment is ineffective for advanced cases, sunitinib is given.
Complications
Tumor rupture should be avoided during surgery to reduce the chance of seeding. Haematogenous and local spread modes exist. There can be metastases to the liver or transperitoneum, lung or bone in more advanced cases, and rarely, lymph nodes.
Prognosis
Malignant potential exists in almost all GISTs. Prognostic markers include size (>5–10 cm, more malignant potential), mitotic activity (>5 mitoses per 50 HPFs), completeness of resection, and placement (e.g., stomach more favorable result than small bowel).
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Surgery - Femoral Hernia
Introduction
the unusual outgrowth of a peritoneal sac via the femoral canal, frequently containing contents from the abdomen.
Etiology
The structure of the femoral canal, which has four distinct and impervious borders, is the predisposing factor. These limits are the inguinal ligament anteriorly, the lacunar ligament medially, the pectineal (Cooper's) ligament and pubic bone posteriorly, and the femoral vein laterally. Usually, the canal simply contains a lymph node (Cloquet's node) and loose connective tissue.
R isk Factors
Women's femoral canals are wider due to the larger angle between the inguinal ligament and the pectineal portion of the pubic bone. Increased intra-abdominal pressure, such as from coughing or straining because of constipation or prostatism, increases the risk of hernia formation.
Epidemiology
25 times less frequent than inguinal hernias, with a female to male ratio of 4:1.
H HISTORY
Show up with a possible discomfort-causing lump or bulge in the groin. Femoral hernias frequently go undiagnosed until they become strangulated or obstructed because of their tiny size and tight necks. Up to 80% of cases of femoral hernias present as emergencies with pain, distention of the abdomen, nausea, and vomiting.
Examination
Upon close examination, a swelling beneath and to the side of the pubic tubercle will be visible in the groin (but if it is significant, it may also spread up and across the inguinal ligament). The cough impulse above the inguinal ring is absent. The hernia may be extremely sensitive if the victim is imprisoned or strangled. stomach distension and tinkling bowel noises if obstructed.
Differentials include femoral aneurysm, groin or psoas abscess, hydrocoele or lipoma of the spermatic cord (in men), inguinal hernia, lymphadenopathy, and saphaena varix.
Investigational studies
Blood: ABG (for metabolic acidosis in intestinal ischaemia), FBC, U&Es, coagulation, G&S.
Visualization: When a different diagnosis is suspected, an AXR may reveal intestinal blockage or USS; nevertheless, if an imprisoned hernia is suspected, surgery should not be postponed. Could be an unintentional discovery, like a CT scan. When a herniogram is suspected, it can be done electively.
Management
Emergency care includes resuscitation with electrolyte balance correction and hydration, implantation of an NG tube in the event of vomiting, administration of antibiotics in the event of sepsis, and surgical repair as the last resort.
Surgery: The basic steps are to dissect the sac, examine and reduce its contents, remove the sac, and repair the defect. Typically, this is done by approximating the pectineal and inguinal ligaments with non-absorbable sutures (a procedure known as Cooper's ligament repair). An alternative is to insert a mesh plug into the femoral canal without using any tension.
It is possible to perform laparoscopic mesh repair using TAPP or TEP techniques. Three primary methods are available for open surgery:
1. Low transverse incision over hernia (Lockwood) (elective surgery).
2. Transinguinal (Lotheissen) incision via the transversalis fascia, inguinal canal, external oblique, and above and parallel to the inguinal ligament (may have a greater recurrence rate).
3. The high (McEvedy) technique involves splitting the transversalis fascia, opening the rectus sheath, retracting the rectus medially, and making an oblique, paramedian, or unilateral Pfannenstiel incision to reveal the femoral canal. If strangulation is suspected, this is used. The sac's contents are examined after it is opened. If they are viable, they are decreased, and if nonviable bowel is present, it is removed (this may require resection if a high approach is not taken).
Complications
Femoral hernias frequently strangulate, which can cause gangrene, ischaemia, and intestinal blockage. Surgical resection may be required in some cases.
Surgery: Bleeding (an anomalous obturator artery may be wounded if the lacunar ligament is cut to enlarge the canal); there is a chance that the femoral vein may narrow during surgery, which increases the risk of seroma, infection, and venous thrombosis.
When timely and adequate surgery is performed, the prognosis for is generally good. Recurrence following repair is uncommon (<3%).
Introduction
the unusual outgrowth of a peritoneal sac via the femoral canal, frequently containing contents from the abdomen.
Etiology
The structure of the femoral canal, which has four distinct and impervious borders, is the predisposing factor. These limits are the inguinal ligament anteriorly, the lacunar ligament medially, the pectineal (Cooper's) ligament and pubic bone posteriorly, and the femoral vein laterally. Usually, the canal simply contains a lymph node (Cloquet's node) and loose connective tissue.
R isk Factors
Women's femoral canals are wider due to the larger angle between the inguinal ligament and the pectineal portion of the pubic bone. Increased intra-abdominal pressure, such as from coughing or straining because of constipation or prostatism, increases the risk of hernia formation.
Epidemiology
25 times less frequent than inguinal hernias, with a female to male ratio of 4:1.
H HISTORY
Show up with a possible discomfort-causing lump or bulge in the groin. Femoral hernias frequently go undiagnosed until they become strangulated or obstructed because of their tiny size and tight necks. Up to 80% of cases of femoral hernias present as emergencies with pain, distention of the abdomen, nausea, and vomiting.
Examination
Upon close examination, a swelling beneath and to the side of the pubic tubercle will be visible in the groin (but if it is significant, it may also spread up and across the inguinal ligament). The cough impulse above the inguinal ring is absent. The hernia may be extremely sensitive if the victim is imprisoned or strangled. stomach distension and tinkling bowel noises if obstructed.
Differentials include femoral aneurysm, groin or psoas abscess, hydrocoele or lipoma of the spermatic cord (in men), inguinal hernia, lymphadenopathy, and saphaena varix.
Investigational studies
Blood: ABG (for metabolic acidosis in intestinal ischaemia), FBC, U&Es, coagulation, G&S.
Visualization: When a different diagnosis is suspected, an AXR may reveal intestinal blockage or USS; nevertheless, if an imprisoned hernia is suspected, surgery should not be postponed. Could be an unintentional discovery, like a CT scan. When a herniogram is suspected, it can be done electively.
Management
Emergency care includes resuscitation with electrolyte balance correction and hydration, implantation of an NG tube in the event of vomiting, administration of antibiotics in the event of sepsis, and surgical repair as the last resort.
Surgery: The basic steps are to dissect the sac, examine and reduce its contents, remove the sac, and repair the defect. Typically, this is done by approximating the pectineal and inguinal ligaments with non-absorbable sutures (a procedure known as Cooper's ligament repair). An alternative is to insert a mesh plug into the femoral canal without using any tension.
It is possible to perform laparoscopic mesh repair using TAPP or TEP techniques. Three primary methods are available for open surgery:
1. Low transverse incision over hernia (Lockwood) (elective surgery).
2. Transinguinal (Lotheissen) incision via the transversalis fascia, inguinal canal, external oblique, and above and parallel to the inguinal ligament (may have a greater recurrence rate).
3. The high (McEvedy) technique involves splitting the transversalis fascia, opening the rectus sheath, retracting the rectus medially, and making an oblique, paramedian, or unilateral Pfannenstiel incision to reveal the femoral canal. If strangulation is suspected, this is used. The sac's contents are examined after it is opened. If they are viable, they are decreased, and if nonviable bowel is present, it is removed (this may require resection if a high approach is not taken).
Complications
Femoral hernias frequently strangulate, which can cause gangrene, ischaemia, and intestinal blockage. Surgical resection may be required in some cases.
Surgery: Bleeding (an anomalous obturator artery may be wounded if the lacunar ligament is cut to enlarge the canal); there is a chance that the femoral vein may narrow during surgery, which increases the risk of seroma, infection, and venous thrombosis.
When timely and adequate surgery is performed, the prognosis for is generally good. Recurrence following repair is uncommon (<3%).
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Surgery - Inguinal Hernia
Introduction
the peritoneal sac protruding abnormally through an inguinal weakness.
There are three types of hernias: indirect (60%), direct (35%), and combination (5%). Hesselbach's triangle, which is formed by the inferior epigastric vessels laterally, the inferior inguinal ligament inferiorly, and the lateral border of the rectus medially, is where direct hernias emerge. There are three types of hernias: strangulated, irreducible (confined), and reducible.
Direct: The hernial sac protrudes directly, medial to the inferior epigastric vessels, through the transversalis fascia and the posterior wall of the inguinal canal.
Indirect: The hernial sac protrudes down the inguinal canal, passing through a deep inguinal ring that has spermatic cord coverings.
Etiology
Congenital: A persistent processus vaginalis allows the contents of the abdomen to enter the inguinal canal.
acquired: "Weakness in the transversalis fascia and muscles, as well as intra-abdominal pressure."
Risk Factors
Prematurity, age, maleness, and elevated intra-abdominal pressure (e.g., persistent cough, constipation, restriction of the bladder outflow).
Epidemiology
Typical. In 4% of male births, congenital indirect inguinal hernias are present. The peak adult age range is 55–85 years. 9 to 1 in favor of men. In the UK, ten elective repairs are performed annually for every 10,000 people.
H HISTORY
either asymptomatic or the patient frequently detects a bulge or lump in the groin. may appear as a result of pain or discomfort, irreducibility, size, or signs of problems.
Examination
bulge in the groin that could spread to the scrotum. separated from femoral hernias by appearing medially and above the pubic tubercle.
Examine the patient while they are standing; a cough impulse is related to the hernia. The deep inguinal ring can be compressed to control indirect hernias. Bowel sounds from inside the hernia may be audible during auscultation.
If the victim is strangled, the hernia may be highly sensitive, irreducible, and show indications of complications such as tachycardia, pyrexia, and bowel blockage.
Investigational studies
Blood tests for an acute, painful irreducible hernia should include FBC, U&Es, CRP clotting, and G&S if surgery is going to be necessary. When intestinal ischaemia (metabolic acidosis, "lactate") is present within the hernia, ABGs may be helpful in detecting it.
Imaging: In an emergency, set up an AXR and CXR. Hernias can be diagnosed with USS or herniogram, ruling out other possible causes of groin lumps.
Management
Conservative: An inguinal truss, a type of belt that prevents the decreased hernia from protruding, may be used to treat patients who are deemed unsuitable or reluctant to have surgery.
Surgical: Simple hernias can be repaired electively. can be done while sedated in a spinal, local, epidural, or general manner. Surgical repairs come in various forms.
The repair of the mesh (Lichtenstein) involves making an oblique incision above the inguinal ligament, opening the external oblique aponeurosis, and gently releasing the spermatic cord. Herniotomies include cutting an indirect sac from the cord, opening it, and reducing its contents. The defect in the transversalis fascia is reinforced with a mesh after the sac is cut out.
This process is the most typical one. Other open methods include the Stoppa repair and the Shouldice repair, which reinforces the defect with non-absorbable sutures.
Laparoscopic mesh repair is now often performed using the transabdominal pre-peritoneal (TAPP) and completely extraperitoneal (TEP) techniques. Laparoscopic repair typically leads to an earlier recovery and return to regular activities. the preferred method for both recurring and bilateral hernias.
Emergency: Required in cases of strangulation or blocked hernia. If gangrenous bowel is present within the hernia, laparotomy with bowel resection can be necessary. In this situation, mesh insertion might not be appropriate.
Pediatric: Herniotomies are used to treat indirect hernias caused by a patent processus vaginalis (PPV). The PPV is ligated and the contents are decreased; this is not a mesh repair.
Complications
Imprisonment, strangling, obstruction of the intestine, Richter's hernia (strangulation of only a portion of the bowel wall circumference), Amyand's hernia (acute appendicitis in a right inguinal hernia), Maydl's hernia (strangulated W-shaped small-bowel loop).
following surgery: osteitis pubis, mesh infection, testicular ischaemia, pain, wound infection, hemorrhage, penile or scrotal oedema, and recurrence.
Prognosis
If I'm left alone, I tend to gradually get bigger. An annual risk of 0.3–3% is strangulation. Recurrence occurs in less than 1% of cases following surgical mesh repair, which often has satisfactory results.
Introduction
the peritoneal sac protruding abnormally through an inguinal weakness.
There are three types of hernias: indirect (60%), direct (35%), and combination (5%). Hesselbach's triangle, which is formed by the inferior epigastric vessels laterally, the inferior inguinal ligament inferiorly, and the lateral border of the rectus medially, is where direct hernias emerge. There are three types of hernias: strangulated, irreducible (confined), and reducible.
Direct: The hernial sac protrudes directly, medial to the inferior epigastric vessels, through the transversalis fascia and the posterior wall of the inguinal canal.
Indirect: The hernial sac protrudes down the inguinal canal, passing through a deep inguinal ring that has spermatic cord coverings.
Etiology
Congenital: A persistent processus vaginalis allows the contents of the abdomen to enter the inguinal canal.
acquired: "Weakness in the transversalis fascia and muscles, as well as intra-abdominal pressure."
Risk Factors
Prematurity, age, maleness, and elevated intra-abdominal pressure (e.g., persistent cough, constipation, restriction of the bladder outflow).
Epidemiology
Typical. In 4% of male births, congenital indirect inguinal hernias are present. The peak adult age range is 55–85 years. 9 to 1 in favor of men. In the UK, ten elective repairs are performed annually for every 10,000 people.
H HISTORY
either asymptomatic or the patient frequently detects a bulge or lump in the groin. may appear as a result of pain or discomfort, irreducibility, size, or signs of problems.
Examination
bulge in the groin that could spread to the scrotum. separated from femoral hernias by appearing medially and above the pubic tubercle.
Examine the patient while they are standing; a cough impulse is related to the hernia. The deep inguinal ring can be compressed to control indirect hernias. Bowel sounds from inside the hernia may be audible during auscultation.
If the victim is strangled, the hernia may be highly sensitive, irreducible, and show indications of complications such as tachycardia, pyrexia, and bowel blockage.
Investigational studies
Blood tests for an acute, painful irreducible hernia should include FBC, U&Es, CRP clotting, and G&S if surgery is going to be necessary. When intestinal ischaemia (metabolic acidosis, "lactate") is present within the hernia, ABGs may be helpful in detecting it.
Imaging: In an emergency, set up an AXR and CXR. Hernias can be diagnosed with USS or herniogram, ruling out other possible causes of groin lumps.
Management
Conservative: An inguinal truss, a type of belt that prevents the decreased hernia from protruding, may be used to treat patients who are deemed unsuitable or reluctant to have surgery.
Surgical: Simple hernias can be repaired electively. can be done while sedated in a spinal, local, epidural, or general manner. Surgical repairs come in various forms.
The repair of the mesh (Lichtenstein) involves making an oblique incision above the inguinal ligament, opening the external oblique aponeurosis, and gently releasing the spermatic cord. Herniotomies include cutting an indirect sac from the cord, opening it, and reducing its contents. The defect in the transversalis fascia is reinforced with a mesh after the sac is cut out.
This process is the most typical one. Other open methods include the Stoppa repair and the Shouldice repair, which reinforces the defect with non-absorbable sutures.
Laparoscopic mesh repair is now often performed using the transabdominal pre-peritoneal (TAPP) and completely extraperitoneal (TEP) techniques. Laparoscopic repair typically leads to an earlier recovery and return to regular activities. the preferred method for both recurring and bilateral hernias.
Emergency: Required in cases of strangulation or blocked hernia. If gangrenous bowel is present within the hernia, laparotomy with bowel resection can be necessary. In this situation, mesh insertion might not be appropriate.
Pediatric: Herniotomies are used to treat indirect hernias caused by a patent processus vaginalis (PPV). The PPV is ligated and the contents are decreased; this is not a mesh repair.
Complications
Imprisonment, strangling, obstruction of the intestine, Richter's hernia (strangulation of only a portion of the bowel wall circumference), Amyand's hernia (acute appendicitis in a right inguinal hernia), Maydl's hernia (strangulated W-shaped small-bowel loop).
following surgery: osteitis pubis, mesh infection, testicular ischaemia, pain, wound infection, hemorrhage, penile or scrotal oedema, and recurrence.
Prognosis
If I'm left alone, I tend to gradually get bigger. An annual risk of 0.3–3% is strangulation. Recurrence occurs in less than 1% of cases following surgical mesh repair, which often has satisfactory results.
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Surgery - Miscellaneous Hernias
Introduction
Classifying: If the omentum, colon, or abdominal organ's blood supply is compromised, a hernia can be classified as strangulated, irreducible (incarcerated), or reducible.Amy and hers: When an inguinal hernia imprisons the appendix
Bockdalek's:Congenital diaphragmatic hernia, posterolateral, usually left-sided
Epigastric: Herniation in the middle, between the xiphisternum and umbilicus, across the linea alba
Hernia via the larger sciatic foramen in the gluteal region
Incisional hernia: A hernia developed at the location of a prior surgical incision
Internal hernias are those that occur inside a body cavity, such as the abdomen through a paraduodenal fossa, the foramen of Winslow, or Peterson's gap after a mesenteric defect Y gastric bypass surgery
Littre's: An inguinal hernia where a Meckel's diverticum is present in the sac
Lumbar: Inferior (Petit) or superior (Grynfeltt-Lesshaft) hernias
Maydl's hernia-en-W, which has a bowel loop arranged in a W
Morgagni: An uncommon diaphragmatic hernia that develops at birth next to the xiphoid process
Obturator: Herniation via the obturator foramen, resulting in a protrusion beneath the labial folds or the scrotum
Pantaloon: Concomitant inguinal hernias, both direct and indirect
Parastomal: Herniation at the stomal opening location
Richter's:hernias in which the hernial sac only partially encloses the intestinal wall
Sciatic:less severe sciatic foramen hernia
Sliding: When an organ, such as the colon or bladder, is a component of the hernial sac
Spigelian Herniation at the level of the arcuate line, at the rectus abdominus's lateral border
The paraumbilical and umbilical
rupture via the umbilicus or in its vicinity.
Adults can get paraumbilical hernias, while babies and children can develop umbilical hernias.
Etiology
The hernial sac can arise as a result of congenital or acquired weakness in the abdominal wall and/or "intra-abdominal pressure" (such as from coughing and straining).
Epidemiology
Paraumbilical, incisional, epigastric, and parastomal hernias are comparatively common. Some varieties are less typical.
History
may show no symptoms at all or detect a painful or growing swelling.
Shear-induced hernias: large, red, and sore hernia.
Constipation, nausea, vomiting, and colicky abdominal discomfort are the initial symptoms of obstruction.
Examination
swelling that gets bigger when you cough or strain your abdomen.
usually mild and non-tender, but if imprisoned or strangulated, it could turn tender and irreducible. In an acute presentation, listen for intestinal sounds or indications of obstruction.
Investigations
may be identified by a clinical examination or, in cases when the etiology of a swelling is unclear, by imaging tests such a CT or US scan.
In the event that the abdomen is acute:
AXR imaging, to check for blockage.
Blood: ABGs (metabolic acidosis if vascular compromise to hernia contents), FBC, U&Es, clotting, G&S, and so on.
Managements
Conservative: Hernias in large necks that don't cause any symptoms might not need to be treated.
Surgical: For symptomatic, narrow-necked, or irreducible umbilical hernias as well as those that continue after the age of two, elective treatment is recommended. can be carried out using minimum or open access methods. The anatomy is established, the contents are examined and minimized, the sac is removed, and the flaw is fixed. A mesh can be used to strengthen it. In situations of strangulation, emergency surgery is indicated, and bowel resection can be necessary.
Complications
bowel blockage and hernia contents strangulation.
Prognosis
By the age of two, the majority of umbilical hernias regress. Other hernias may gradually expand and typically do not regress.
Introduction
Classifying: If the omentum, colon, or abdominal organ's blood supply is compromised, a hernia can be classified as strangulated, irreducible (incarcerated), or reducible.Amy and hers: When an inguinal hernia imprisons the appendix
Bockdalek's:Congenital diaphragmatic hernia, posterolateral, usually left-sided
Epigastric: Herniation in the middle, between the xiphisternum and umbilicus, across the linea alba
Hernia via the larger sciatic foramen in the gluteal region
Incisional hernia: A hernia developed at the location of a prior surgical incision
Internal hernias are those that occur inside a body cavity, such as the abdomen through a paraduodenal fossa, the foramen of Winslow, or Peterson's gap after a mesenteric defect Y gastric bypass surgery
Littre's: An inguinal hernia where a Meckel's diverticum is present in the sac
Lumbar: Inferior (Petit) or superior (Grynfeltt-Lesshaft) hernias
Maydl's hernia-en-W, which has a bowel loop arranged in a W
Morgagni: An uncommon diaphragmatic hernia that develops at birth next to the xiphoid process
Obturator: Herniation via the obturator foramen, resulting in a protrusion beneath the labial folds or the scrotum
Pantaloon: Concomitant inguinal hernias, both direct and indirect
Parastomal: Herniation at the stomal opening location
Richter's:hernias in which the hernial sac only partially encloses the intestinal wall
Sciatic:less severe sciatic foramen hernia
Sliding: When an organ, such as the colon or bladder, is a component of the hernial sac
Spigelian Herniation at the level of the arcuate line, at the rectus abdominus's lateral border
The paraumbilical and umbilical
rupture via the umbilicus or in its vicinity.
Adults can get paraumbilical hernias, while babies and children can develop umbilical hernias.
Etiology
The hernial sac can arise as a result of congenital or acquired weakness in the abdominal wall and/or "intra-abdominal pressure" (such as from coughing and straining).
Epidemiology
Paraumbilical, incisional, epigastric, and parastomal hernias are comparatively common. Some varieties are less typical.
History
may show no symptoms at all or detect a painful or growing swelling.
Shear-induced hernias: large, red, and sore hernia.
Constipation, nausea, vomiting, and colicky abdominal discomfort are the initial symptoms of obstruction.
Examination
swelling that gets bigger when you cough or strain your abdomen.
usually mild and non-tender, but if imprisoned or strangulated, it could turn tender and irreducible. In an acute presentation, listen for intestinal sounds or indications of obstruction.
Investigations
may be identified by a clinical examination or, in cases when the etiology of a swelling is unclear, by imaging tests such a CT or US scan.
In the event that the abdomen is acute:
AXR imaging, to check for blockage.
Blood: ABGs (metabolic acidosis if vascular compromise to hernia contents), FBC, U&Es, clotting, G&S, and so on.
Managements
Conservative: Hernias in large necks that don't cause any symptoms might not need to be treated.
Surgical: For symptomatic, narrow-necked, or irreducible umbilical hernias as well as those that continue after the age of two, elective treatment is recommended. can be carried out using minimum or open access methods. The anatomy is established, the contents are examined and minimized, the sac is removed, and the flaw is fixed. A mesh can be used to strengthen it. In situations of strangulation, emergency surgery is indicated, and bowel resection can be necessary.
Complications
bowel blockage and hernia contents strangulation.
Prognosis
By the age of two, the majority of umbilical hernias regress. Other hernias may gradually expand and typically do not regress.
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Surgery - Hyperhidrosis
Definition
a condition when eccrine glands overproduce sweat beyond what is necessary for survival. There are three types: localized, secondary generalized, and primary focal.
Etiology
Neurogenic sympathetic hyperactivity on eccrine sweat glands is the primary focal cause.
Secondary generalization: Many conditions, including diabetes, thyrotoxicosis, hypoglycemia, gout, pheochromocytoma, menopause, infections (e.g., tuberculosis), medicine (propanolol, physostigmine, pilocarpine, tricyclic antidepressants, venlafaxine), alcoholism, and cancer, might be the cause of secondary generalized hyperhidrosis.
Localized: Riley-Day syndrome (familial dysautonomia), eccrine naevus, eccrine angiomatous hamartoma, gustatory stimulation (Frey's syndrome).
Epidemiology
Palmoplantar hyperhidrosis is 20 times more common in Japanese ancestry, with an estimated incidence of 0.6-2.8%.
History
Wet your hands, feet, and/or axillae. can lead to professional challenges and social shame. Patients may lament how often they have to change into new garments. Typically, primary focal hyperhidrosis starts around adolescence. When hyperhidrosis manifests later in life, it is important to look for underlying causes.
Examination
Perceptible perspiration could be linked to tinea or dermatitis.
Minor's starch-iodine test: An iodine-starch combination formed in perspiration when starch is brushed onto skin that has previously been painted with 2% iodine. The light brown color of the iodine turns dark purple.
Investigational studies
Only pertinent in cases of widespread hyperhidrosis.
Blood: urinary catecholamines, LH/FSH, glucose, urate, and TFTs.
Imaging: CXR, CT, or MRI scanning, as necessary.
Management
Primary focal: Topical first-line therapies, such as glycopyrrolate and aluminum chloride.
Ionophoresis: a daily 30-minute therapy that involves passing a direct current over the skin on the palm or sole (unclear mechanism of action). Intradermal injection of botulinum toxin; effective, long-lasting (4–12 months); less painful if reconstituted in lignocaine. Systemic agents: oxybutynin and other anticholinergics produce unpleasant side effects, such as dry mouth and eyes.
Surgery: A thorascopic sympathectomy entails cutting the sympathetic chain (T2/3 palmar hyperhidrosis, T3/4/5 axillary hyperhidrosis, and T1 face hyperhidrosis) in order to block the sympathetic ganglia.
Immediately effective (95–98% success rate).
Other methods for the axilla include subcutaneous liposuction combined with dermal curettage to eliminate eccrine sweat glands or axillary skin disconnection/excision (risk of scarring, skin necrosis).
Complications
Skin irritation, physical, psychological, social, and occupational morbidity.
Referring to thorascopic sympathectomy: Recurrence, Horner's syndrome, pneumothorax, intercostal neuralgia, and compensatory sweating (up to 50–60%).
Prognosis
No higher death rate, however it may have an impact on life quality. It was previously hard to control, but current therapies work well.
Definition
a condition when eccrine glands overproduce sweat beyond what is necessary for survival. There are three types: localized, secondary generalized, and primary focal.
Etiology
Neurogenic sympathetic hyperactivity on eccrine sweat glands is the primary focal cause.
Secondary generalization: Many conditions, including diabetes, thyrotoxicosis, hypoglycemia, gout, pheochromocytoma, menopause, infections (e.g., tuberculosis), medicine (propanolol, physostigmine, pilocarpine, tricyclic antidepressants, venlafaxine), alcoholism, and cancer, might be the cause of secondary generalized hyperhidrosis.
Localized: Riley-Day syndrome (familial dysautonomia), eccrine naevus, eccrine angiomatous hamartoma, gustatory stimulation (Frey's syndrome).
Epidemiology
Palmoplantar hyperhidrosis is 20 times more common in Japanese ancestry, with an estimated incidence of 0.6-2.8%.
History
Wet your hands, feet, and/or axillae. can lead to professional challenges and social shame. Patients may lament how often they have to change into new garments. Typically, primary focal hyperhidrosis starts around adolescence. When hyperhidrosis manifests later in life, it is important to look for underlying causes.
Examination
Perceptible perspiration could be linked to tinea or dermatitis.
Minor's starch-iodine test: An iodine-starch combination formed in perspiration when starch is brushed onto skin that has previously been painted with 2% iodine. The light brown color of the iodine turns dark purple.
Investigational studies
Only pertinent in cases of widespread hyperhidrosis.
Blood: urinary catecholamines, LH/FSH, glucose, urate, and TFTs.
Imaging: CXR, CT, or MRI scanning, as necessary.
Management
Primary focal: Topical first-line therapies, such as glycopyrrolate and aluminum chloride.
Ionophoresis: a daily 30-minute therapy that involves passing a direct current over the skin on the palm or sole (unclear mechanism of action). Intradermal injection of botulinum toxin; effective, long-lasting (4–12 months); less painful if reconstituted in lignocaine. Systemic agents: oxybutynin and other anticholinergics produce unpleasant side effects, such as dry mouth and eyes.
Surgery: A thorascopic sympathectomy entails cutting the sympathetic chain (T2/3 palmar hyperhidrosis, T3/4/5 axillary hyperhidrosis, and T1 face hyperhidrosis) in order to block the sympathetic ganglia.
Immediately effective (95–98% success rate).
Other methods for the axilla include subcutaneous liposuction combined with dermal curettage to eliminate eccrine sweat glands or axillary skin disconnection/excision (risk of scarring, skin necrosis).
Complications
Skin irritation, physical, psychological, social, and occupational morbidity.
Referring to thorascopic sympathectomy: Recurrence, Horner's syndrome, pneumothorax, intercostal neuralgia, and compensatory sweating (up to 50–60%).
Prognosis
No higher death rate, however it may have an impact on life quality. It was previously hard to control, but current therapies work well.
- Published on
Surgery -Ileus and Pseudo obstruction
Introduction
Blockage of the colon that is functional but does not have a mechanical source because of atony or abnormal peristalsis.
Etiology
Postoperative: Atonement of the bowel after intraabdominal surgery.
Metabolic conditions include liver failure, hypomagnesemia, hypokalaemia, ketoacidosis, and uraemia.
Response to an inflammatory disease, such as cholecystitis, is called infection or inflammation.
Chemical or bacterial diffuse peritonitis.
Pathology of the retroperitoneum: hemorrhage, pancreatitis.
Drugs: antipsychotics, anticholinergics, and opioids.
Scleroderma, multiple sclerosis, Parkinson's disease, and diabetes are examples of neuropathic illnesses.
Ogilvie's syndrome: Colonic pseudo-obstruction linked to polypharmacy, chronic illness, immobility, and long-term debility.
Epidemiology
depending on the cause, but a prevalent issue in people undergoing surgery. Acute colonic pseudoobstruction typically affects older people who have coexisting medical conditions.
History
Past events related to the cause, such as a recent operation. Constipation and inability to pass gas. stomach distension at first without discomfort, but later symptoms could resemble those of a real blockage.
Examination
stomach distension. There could be less or no bowel sounds. Soreness, potential problems, and/or peritonism. A rectal examination may reveal faecal impaction.
Investigations
in accordance with the aetiology and condition of the patient. Possible contents include:
FBC, U&Es, Mg2+, ESR, and CRP in blood.
Visualization: A CT scan, erect CXR and AXR, may reveal intestinal distension and faecal impaction.
>12 cm caecal diameter considerably increases the chance of perforation.A water-soluble contrast enema aids in distinguishing between an obstruction that is mechanical.
Managements
Depending on the aetiology, the following methods are frequently employed:
Nebulization by NG tube if vomiting, IV fluid replenishment, and correction of electrolyte imbalances (particularly hypokalaemia and hypomagnesaemia) are supportive measures. A flatus tube inserted could aid in decompression. Avoiding laxatives and medications that lower intestinal motility, particularly those that contain osmotic substances like lactulose.
Medical: Addressing the underlying issue, such as an infection. Prokinetic medications like metoclopramide and domperidone may be effective in treating chronic paralytic ileus in the absence of mechanical obstruction. If there is an acute colonic pseudoobstruction, IV neostigmine can be administered, but it must be well monitored due to the risk of hypotension, bradycardia, and brochospasm.
Endoscopic decompression: Has a 2% risk of perforation and can be useful in cases of colonic pseudo-obstruction.
Surgical: For severe morbidity and mortality, impending or actualized perforation. Decompression and stoma creation; in the event of complications, ileorectal anastamosis or segmental or subtotal colonic resection and exteriorization.
Complications
Bowel perforation, peritonitis, most frequently caecal (40% mortality).
Prognosis
Typically reacts to precautionary actions. Overall mortality from acute colonic pseudo-obstruction ranges from 25 to 31%.
Introduction
Blockage of the colon that is functional but does not have a mechanical source because of atony or abnormal peristalsis.
Etiology
Postoperative: Atonement of the bowel after intraabdominal surgery.
Metabolic conditions include liver failure, hypomagnesemia, hypokalaemia, ketoacidosis, and uraemia.
Response to an inflammatory disease, such as cholecystitis, is called infection or inflammation.
Chemical or bacterial diffuse peritonitis.
Pathology of the retroperitoneum: hemorrhage, pancreatitis.
Drugs: antipsychotics, anticholinergics, and opioids.
Scleroderma, multiple sclerosis, Parkinson's disease, and diabetes are examples of neuropathic illnesses.
Ogilvie's syndrome: Colonic pseudo-obstruction linked to polypharmacy, chronic illness, immobility, and long-term debility.
Epidemiology
depending on the cause, but a prevalent issue in people undergoing surgery. Acute colonic pseudoobstruction typically affects older people who have coexisting medical conditions.
History
Past events related to the cause, such as a recent operation. Constipation and inability to pass gas. stomach distension at first without discomfort, but later symptoms could resemble those of a real blockage.
Examination
stomach distension. There could be less or no bowel sounds. Soreness, potential problems, and/or peritonism. A rectal examination may reveal faecal impaction.
Investigations
in accordance with the aetiology and condition of the patient. Possible contents include:
FBC, U&Es, Mg2+, ESR, and CRP in blood.
Visualization: A CT scan, erect CXR and AXR, may reveal intestinal distension and faecal impaction.
>12 cm caecal diameter considerably increases the chance of perforation.A water-soluble contrast enema aids in distinguishing between an obstruction that is mechanical.
Managements
Depending on the aetiology, the following methods are frequently employed:
Nebulization by NG tube if vomiting, IV fluid replenishment, and correction of electrolyte imbalances (particularly hypokalaemia and hypomagnesaemia) are supportive measures. A flatus tube inserted could aid in decompression. Avoiding laxatives and medications that lower intestinal motility, particularly those that contain osmotic substances like lactulose.
Medical: Addressing the underlying issue, such as an infection. Prokinetic medications like metoclopramide and domperidone may be effective in treating chronic paralytic ileus in the absence of mechanical obstruction. If there is an acute colonic pseudoobstruction, IV neostigmine can be administered, but it must be well monitored due to the risk of hypotension, bradycardia, and brochospasm.
Endoscopic decompression: Has a 2% risk of perforation and can be useful in cases of colonic pseudo-obstruction.
Surgical: For severe morbidity and mortality, impending or actualized perforation. Decompression and stoma creation; in the event of complications, ileorectal anastamosis or segmental or subtotal colonic resection and exteriorization.
Complications
Bowel perforation, peritonitis, most frequently caecal (40% mortality).
Prognosis
Typically reacts to precautionary actions. Overall mortality from acute colonic pseudo-obstruction ranges from 25 to 31%.
