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Surgery - Toxic Megacolon
Introduction
severe colitis accompanied by partial or complete colon dilatation.
Etiology
Most frequently brought on by a severe flare-up of ulcerative colitis, but it can also happen in cases of Crohn's disease, pseudo-membranous colitis (an infection caused by Clostridium difficile), and other infectious colitis.
Epidemiology
May appear in 3–10% of ulcerative colitis patients, less frequently in Crohn's disease patients, and rarely in infections aetiologies.
H HISTORY
The patient has discomfort and cramping in her abdomen and is generally ill. a sudden and violent diarrhea.
Examination
hypotension, tachycardia, dehydration, and pyrexia. a sensitive, swollen abdomen, or a decrease in bowel movements.
Pathogenesis
The gut wall's muscular layers are affected by inflammation. The colon becomes distended and there is a danger of perforation due to neurogenic loss of motor tone. On histological examination, mucosal sloughing, tissue necrosis, and muscle weakening are observed. Systemic poisoning results from colonic bacterial overgrowth absorbed through inflamed colonic mucosa.
Investigations
Blood: significantly elevated WCC, lowered K+ in U&Es, lowered Alb, and elevated CRP.
Radiology: A dilated colon (>6 cm) will be visible on an AXR or CT scan. There is a considerable probability of perforation if the measurement is greater than 10 cm. An erect CXR should be done to look for air under the diaphragm, which would indicate a perforation. It is not recommended to use barium enema since it could puncture.
Managaement
Medical: Multidisciplinary care with the assistance of surgeons, gastroenterologists, and critical care is the best way to manage severe colitis. Depending on the cause, aggressive fluid resuscitation and intravenous antibiotics with or without steroids are recommended. It is possible to utilize IV cyclosporine therapy for ulcerative colitis. In spite of medicinal therapy reasons for surgery, early and routine surgical assessment is crucial when there is clinical deterioration and increasing dilatation on serial abdominal radiographs.
Surgical: Thirty percent of patients seek for urgent care. In most situations, an ileostomy combined with a total colectomy is the best course of surgery.
Complications
rupture as well as peritonitis. Sepsis systemic.
Prognosis
high death rate (20–30%), particularly in cases of perforation
Introduction
severe colitis accompanied by partial or complete colon dilatation.
Etiology
Most frequently brought on by a severe flare-up of ulcerative colitis, but it can also happen in cases of Crohn's disease, pseudo-membranous colitis (an infection caused by Clostridium difficile), and other infectious colitis.
Epidemiology
May appear in 3–10% of ulcerative colitis patients, less frequently in Crohn's disease patients, and rarely in infections aetiologies.
H HISTORY
The patient has discomfort and cramping in her abdomen and is generally ill. a sudden and violent diarrhea.
Examination
hypotension, tachycardia, dehydration, and pyrexia. a sensitive, swollen abdomen, or a decrease in bowel movements.
Pathogenesis
The gut wall's muscular layers are affected by inflammation. The colon becomes distended and there is a danger of perforation due to neurogenic loss of motor tone. On histological examination, mucosal sloughing, tissue necrosis, and muscle weakening are observed. Systemic poisoning results from colonic bacterial overgrowth absorbed through inflamed colonic mucosa.
Investigations
Blood: significantly elevated WCC, lowered K+ in U&Es, lowered Alb, and elevated CRP.
Radiology: A dilated colon (>6 cm) will be visible on an AXR or CT scan. There is a considerable probability of perforation if the measurement is greater than 10 cm. An erect CXR should be done to look for air under the diaphragm, which would indicate a perforation. It is not recommended to use barium enema since it could puncture.
Managaement
Medical: Multidisciplinary care with the assistance of surgeons, gastroenterologists, and critical care is the best way to manage severe colitis. Depending on the cause, aggressive fluid resuscitation and intravenous antibiotics with or without steroids are recommended. It is possible to utilize IV cyclosporine therapy for ulcerative colitis. In spite of medicinal therapy reasons for surgery, early and routine surgical assessment is crucial when there is clinical deterioration and increasing dilatation on serial abdominal radiographs.
Surgical: Thirty percent of patients seek for urgent care. In most situations, an ileostomy combined with a total colectomy is the best course of surgery.
Complications
rupture as well as peritonitis. Sepsis systemic.
Prognosis
high death rate (20–30%), particularly in cases of perforation
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Surgery - Ulcerative Colitis
Overview
big bowel-related inflammatory illness that is chronic, recurrent, and intermittent.
Etiology
Not sure. The immune system's reaction to bacterial or self-antigens, environmental variables, altered neutrophil function, and abnormalities in epithelial cell integrity are among the theories. Genetic vulnerability (chromosomes 12, 16) is another.
15% had a positive family history of IBD. correlated with primary sclerosing cholangitis and elevated serum pANCA.
Epidemiology
1/1500 is the prevalence (in the developed world). greater frequency in Caucasians and Ashkenazi Jews.
Rare prior to age 10, peak onset age between 20 and 40 years. equal gender ratio until age 40, after which it rises for men.
History
mucous or bloody diarrhea (frequency of stools correlated with disease severity). Urgency and tenesmus. Abdominal cramps before to bowel movement, fever, and weight loss. Extra-GI manifestations' symptoms.
Examination
Indices of low iron levels dehydration and anemia. Clubbing. discomfort in the abdomen and tachycardia.
On a PR examination, there is blood, mucus, and soreness. symptoms that are extra-gastrointestinal.
Investigations
Blood: reduced albumin, elevated CRP or ESR, increased WCC, decreased Hb, crossmatch if significant blood loss, and LFT.
Stool: A differential diagnosis of infectious colitis is culture. The illness severity marker faecal calprotectin.
AXR: To exclude megacolon that is hazardous (see hazardous Megacolon).
Colonoscopy or flexible sigmoidoscopy (including biopsy): assesses dysplasia identification, severity, and histological confirmation.
Barium enema: lack of haustral pattern (lead-pipe or hosepipe look), featureless constricted colon, mucosal ulcers with granular appearance and filling deficiencies (pseudopolyps) (see Fig. 13). In cases of acute exacerbations, colonoscopy and barium enema may be hazardous (risk of perforation).
Management
Activity markers include decreased Hb and Alb, elevated ESR or CRP, and frequency of diarrhea (less than four is mild, four to six is moderate, and more than six is severe), bleeding, and fever.
Acute exacerbation: parenteral nutrition may be required, antibiotics, IV rehydration, IV corticosteroids, bowel rest, and DVT prevention. Keep a careful eye on your vital signs and fluid balance. Low threshold for proctocolectomy and ileostomy if toxic megacolon develops, as perforation has a thirty percent death rate.
Reversible illness: rectal steroids and/or oral 5-aminosalicylic acid (5-ASA) derivatives, such as sulphasalazine. Oral 5-ASA and oral prednisone for moderate-to-severe illness. Azathioprine, cyclosporine, 6-mercaptopurine, and infliximab (anti-TNF monoclonal antibody) induce immunosuppression.
Suggestion: Educating and supporting patients. management of the consequences. routine colonoscopy observation.
Surgical: Recommended in cases where medical treatment fails, problems arise, or colonic cancer is to be prevented. Ileostomy with proctocolectomy or development of an ileoanal pouch
Complications
Digestive: bleeding, poisonous megacolon, splinter, colonic cancer (in patients with advanced disease for more than a decade), gallstones, and PSC.
The following extra-gastrointestinal symptoms (10–20%) include amyloidosis, arthropathy, renal calculi, sacroiliitis, erythema nodosum, pyoderma gangrenosum, osteoporosis (due to steroid treatment), and ankylosing spondylitis.
Prognosis
a normal life expectancy condition that relapses and resolves periodically.
The following are poor prognostic variables (ABCDEF): fever (>38 °C in the first 24 hours), dilated bowel loops, elevated CRP, blood pressure, elevated albumin (<30 g/L), and intestinal dilation.
Overview
big bowel-related inflammatory illness that is chronic, recurrent, and intermittent.
Etiology
Not sure. The immune system's reaction to bacterial or self-antigens, environmental variables, altered neutrophil function, and abnormalities in epithelial cell integrity are among the theories. Genetic vulnerability (chromosomes 12, 16) is another.
15% had a positive family history of IBD. correlated with primary sclerosing cholangitis and elevated serum pANCA.
Epidemiology
1/1500 is the prevalence (in the developed world). greater frequency in Caucasians and Ashkenazi Jews.
Rare prior to age 10, peak onset age between 20 and 40 years. equal gender ratio until age 40, after which it rises for men.
History
mucous or bloody diarrhea (frequency of stools correlated with disease severity). Urgency and tenesmus. Abdominal cramps before to bowel movement, fever, and weight loss. Extra-GI manifestations' symptoms.
Examination
Indices of low iron levels dehydration and anemia. Clubbing. discomfort in the abdomen and tachycardia.
On a PR examination, there is blood, mucus, and soreness. symptoms that are extra-gastrointestinal.
Investigations
Blood: reduced albumin, elevated CRP or ESR, increased WCC, decreased Hb, crossmatch if significant blood loss, and LFT.
Stool: A differential diagnosis of infectious colitis is culture. The illness severity marker faecal calprotectin.
AXR: To exclude megacolon that is hazardous (see hazardous Megacolon).
Colonoscopy or flexible sigmoidoscopy (including biopsy): assesses dysplasia identification, severity, and histological confirmation.
Barium enema: lack of haustral pattern (lead-pipe or hosepipe look), featureless constricted colon, mucosal ulcers with granular appearance and filling deficiencies (pseudopolyps) (see Fig. 13). In cases of acute exacerbations, colonoscopy and barium enema may be hazardous (risk of perforation).
Management
Activity markers include decreased Hb and Alb, elevated ESR or CRP, and frequency of diarrhea (less than four is mild, four to six is moderate, and more than six is severe), bleeding, and fever.
Acute exacerbation: parenteral nutrition may be required, antibiotics, IV rehydration, IV corticosteroids, bowel rest, and DVT prevention. Keep a careful eye on your vital signs and fluid balance. Low threshold for proctocolectomy and ileostomy if toxic megacolon develops, as perforation has a thirty percent death rate.
Reversible illness: rectal steroids and/or oral 5-aminosalicylic acid (5-ASA) derivatives, such as sulphasalazine. Oral 5-ASA and oral prednisone for moderate-to-severe illness. Azathioprine, cyclosporine, 6-mercaptopurine, and infliximab (anti-TNF monoclonal antibody) induce immunosuppression.
Suggestion: Educating and supporting patients. management of the consequences. routine colonoscopy observation.
Surgical: Recommended in cases where medical treatment fails, problems arise, or colonic cancer is to be prevented. Ileostomy with proctocolectomy or development of an ileoanal pouch
Complications
Digestive: bleeding, poisonous megacolon, splinter, colonic cancer (in patients with advanced disease for more than a decade), gallstones, and PSC.
The following extra-gastrointestinal symptoms (10–20%) include amyloidosis, arthropathy, renal calculi, sacroiliitis, erythema nodosum, pyoderma gangrenosum, osteoporosis (due to steroid treatment), and ankylosing spondylitis.
Prognosis
a normal life expectancy condition that relapses and resolves periodically.
The following are poor prognostic variables (ABCDEF): fever (>38 °C in the first 24 hours), dilated bowel loops, elevated CRP, blood pressure, elevated albumin (<30 g/L), and intestinal dilation.
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Surgery - Colonic Volvulus
Introduction
intestinal blockage and possible ischaemia caused by the bowel's loop rotating around its mesentery axis. Adults typically experience symptoms in the sigmoid colon (65%) and caecum (30%).
Etiology
Anatomical factors include lengthy sigmoid mesentery, movable caecum, debility and chronic constipation, aging, high residue diet, tumor, adhesions, and colonic Chagas disease.
Epidemiology
Causes 5–10% of large bowel obstructions, which are more prevalent in older adults.
History
Vomiting after experiencing severe constipation, abdominal pain, and edema. There can be a history of earlier incidents that ended on their own.
Examination
Symptoms of intestinal obstruction, including pain and distension in the abdomen. Bowel noises are absent or tinkling.
Pathogenesis
A partial or total closed loop obstruction is caused by the bowel segment rotating. The bowel's veins are crushed and obstructed by a 360-degree twist, which can cause circulation problems, gangrene, and perforation if left untreated.
Investigations
AXR: Widely expanded colon loop, maybe resembling a coffee bean. The coffee bean's concavity points to the left in sigmoid volvulus and to the right lower quadrant in caecal volvulus.
may be linked to distal collapse and proximally dilated colon loops.
Contrast enema soluble in water: indicates the location of the obstruction; in sigmoid volvulus, the distal bowel narrows spirally at the region of the deformity, resembling a bird's beak or ace of spades.
CT scan: Shows indications of intestinal ischaemia and rotation of the mesentery and colon.
Management
Resuscitations: IV fluids, NGtube if vomiting, nil by mouth, and IV antibiotics if there are signs of sepsis or ischaemia.
Endoscopic: Flexible sigmoidoscopic decompression or sigmoidoscopy combined with rectal tube insertion can be used to treat sigmoid volvulus. Patients with troublesome recurrent sigmoid volvulus who are unsuitable for surgery may undergo sigmoid fixation with endoscopic insertion of a percutaneous sigmoidostomy tube.
Surgical: Laparotomy, untwisting, excision of dilated, gangrenous, or ischemic colon, with either a primary anastomosis and/or stoma creation, if symptoms of peritonitis, bowel ischaemia, or failure of conservative therapies are present. Right hemicolectomy, caecopexy, ileocaecal resection, or caecal volvulus are the procedures used. An open or laparoscopic sigmoid colectomy can be used to treat recurrent sigmoid volvulus.
Complications
Bowel perforation, toxaemia, gangrene and ischaemia, and peritonitis.
Prognosis
Although sigmoid volvulus can be effectively managed conservatively or endoscopically, recurrence is frequently observed. The overall death rate may reach 20%.
Introduction
intestinal blockage and possible ischaemia caused by the bowel's loop rotating around its mesentery axis. Adults typically experience symptoms in the sigmoid colon (65%) and caecum (30%).
Etiology
Anatomical factors include lengthy sigmoid mesentery, movable caecum, debility and chronic constipation, aging, high residue diet, tumor, adhesions, and colonic Chagas disease.
Epidemiology
Causes 5–10% of large bowel obstructions, which are more prevalent in older adults.
History
Vomiting after experiencing severe constipation, abdominal pain, and edema. There can be a history of earlier incidents that ended on their own.
Examination
Symptoms of intestinal obstruction, including pain and distension in the abdomen. Bowel noises are absent or tinkling.
Pathogenesis
A partial or total closed loop obstruction is caused by the bowel segment rotating. The bowel's veins are crushed and obstructed by a 360-degree twist, which can cause circulation problems, gangrene, and perforation if left untreated.
Investigations
AXR: Widely expanded colon loop, maybe resembling a coffee bean. The coffee bean's concavity points to the left in sigmoid volvulus and to the right lower quadrant in caecal volvulus.
may be linked to distal collapse and proximally dilated colon loops.
Contrast enema soluble in water: indicates the location of the obstruction; in sigmoid volvulus, the distal bowel narrows spirally at the region of the deformity, resembling a bird's beak or ace of spades.
CT scan: Shows indications of intestinal ischaemia and rotation of the mesentery and colon.
Management
Resuscitations: IV fluids, NGtube if vomiting, nil by mouth, and IV antibiotics if there are signs of sepsis or ischaemia.
Endoscopic: Flexible sigmoidoscopic decompression or sigmoidoscopy combined with rectal tube insertion can be used to treat sigmoid volvulus. Patients with troublesome recurrent sigmoid volvulus who are unsuitable for surgery may undergo sigmoid fixation with endoscopic insertion of a percutaneous sigmoidostomy tube.
Surgical: Laparotomy, untwisting, excision of dilated, gangrenous, or ischemic colon, with either a primary anastomosis and/or stoma creation, if symptoms of peritonitis, bowel ischaemia, or failure of conservative therapies are present. Right hemicolectomy, caecopexy, ileocaecal resection, or caecal volvulus are the procedures used. An open or laparoscopic sigmoid colectomy can be used to treat recurrent sigmoid volvulus.
Complications
Bowel perforation, toxaemia, gangrene and ischaemia, and peritonitis.
Prognosis
Although sigmoid volvulus can be effectively managed conservatively or endoscopically, recurrence is frequently observed. The overall death rate may reach 20%.
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Surgery - Cord Compression and Injury
Introduction
damage to the spinal cord, the location and severity of which will determine the neurological symptoms. Acute compression of the cord is urgent.
Etiology
Direct trauma-related contusion to the spinal cord;-compression due to bone/disc fragmentation or trauma-related hemorrhage;-compression due to extrinsic lesions, such as: disc protrusion; tumors (primary, secondary, or myeloma); spinal abscesses (such as TB and staphylococcus) abnormalities of the spinal vessels
Epidemiology
Typical. All age groups experience trauma. In senior age groups, cancer and disc disease are more prevalent.
History
Past medical history of trauma, illness, or damage.
weakness, pain, and loss of senses.
interruption of bladder or bowel function. impotence.
Urinary retention, saddle anesthesia, and bilateral sciatica are symptoms of cauda-equina syndrome.
Seen in spinal cord hemisection: Brown-Sequard syndrome. ipsilateral leg weakness and contralateral leg numbness.
Examination
Take a close look at both the motor and sensory levels.
Trauma to the spinal cord: Early hyperacute symptoms include diaphragmatic breathing, diminished anal tone, hyporeflexia, priapism, and spinal shock (# BP without tachycardia).
Flaccid paraparesis, urine retention, decreased anal tone, saddle anesthesia, and compromised knee, ankle, and bulbocavernous reflexes are all symptoms of cauda-equina syndrome. Perhaps not symmetrical.
Urinary retention combined with flaccid and spastic paraparesis is known as Conus medullaris syndrome.
Below the lesion, hypertonicity and hyperreflexia are present. Sensory disruption is often symmetrical and distributed perianally.
Sequard-Brown syndrome: observed in spinal cord hemisection. Ipsilateral spastic paralysis, loss of postural sensation, and contralateral loss of pain and temperature sense occur below the level of the lesion.
Differentiate between radiculopathies and cord compression: Radiculopathies are brought on by compression of the nerve root at the exit foramina or in the spinal canal. Only at that motor and sensory level does this result in LMN damage; beyond that level, no UMN indications are present.
Motor
C3–C5: Diaphragm L2: Hip flexion
C5: Shoulder abduction. L3: Knee extension
C6: Forearm flexion L4: Ankle dorsiflexion
C7: Forearm extension L5: Big toe extension
C8: Wrist/finger flexion S1: Ankle plantar flexion
T1: Finger abduction
Reflexes
C5–C6: Biceps reflex L1–L2: Cremaster reflex
C6: Brachioradialis (supinator) reflex L3–L4: Knee reflex
C7: Triceps reflex S1–S2: Ankle reflex
Hoffmann/s sign: UMN in upper limb S2–S4: Anocutaneous refl
S2–S4: Bulbocavernous reflex
Sensory
C4: Supraclavicular fossa T10: Umbilicus
C5: Clavicles T12: Hip girdle
C6: Thumb L4: Medial malleolus
C7: Middle finger S1: Lateral malleolus
C8: Little finger S2: Scrotum
T4: Nipples S3–S5: Perianal region
Investigations
Trauma radiology includes AP and lateral spine (also known as peg view), thoracic, and lumbar radiographs. High-resolution CT scans of the spine, which enable formatting for 3D visualization, are gradually replacing them.
Spine emergency MRI: To see the cord and soft tissue. Changes in cord signal and canal stenosis are important indicators.
Blood: protein electrophoresis, Ca2+, ESR, bone profile, FBC, and U&E.
Bence Jones protein in the urine is a sign of multiple myeloma.
Management
Traumatic cord injury: The ATLS recommendations should be followed while managing trauma injuries.
While it is debatable, NASCIS trial data suggests that giving high-dose steroids (methylprednisolone) to patients with severe spinal cord injuries for less than eight hours can improve their motor function.
Cord compression: If a tumor is found after imaging, high-dose steroids, such as dexamethasone, should be administered as away to lessen cord compression. Emergency radiation may potentially be effective in treating tumors. Get guidance from a neurosurgeon.
Surgery: Often required to remove the origin of compression and/or relieve compression.
External surgical stabilization: Using a halo or traction device, for instance.
Internal surgical stabilization: Using metal implants or bone grafts, for instance.
Surgical decompression: To relieve compression, a laminectomy, for instance.
For disc prolapses, a discectomy or microdiscectomy is used.
Rehabilitation: A multidisciplinary rehabilitation program including occupational therapy and physiotherapy, ideally in a specialized spinal unit.
Complications
Spinal function below the lesion is lost in cases of severe injury.
Paralysis of the breathing system: lesion above C4.
Quadriplegia, C4–T1.
Mid-thoracic: If above T6, paraplegia and autonomic dysreflexia.
S1: Loss of rectum and bladder control due to sacral parasympathetic loss.
Immobility-related complications include pressure sores, DVT, long-term spasticity (posing a risk of deformity), and heterotopic ossification.
Prognosis
When converted to the Frankel grade, the American Spinal Injury Association (ASIA) Impairment Scale after 72 hours after the injury has prognostic significance (see www.asia-spinalinjury.org for score sheet). Depending on the extent of the spinal cord injury, there may be some improvement over time.
Introduction
damage to the spinal cord, the location and severity of which will determine the neurological symptoms. Acute compression of the cord is urgent.
Etiology
Direct trauma-related contusion to the spinal cord;-compression due to bone/disc fragmentation or trauma-related hemorrhage;-compression due to extrinsic lesions, such as: disc protrusion; tumors (primary, secondary, or myeloma); spinal abscesses (such as TB and staphylococcus) abnormalities of the spinal vessels
Epidemiology
Typical. All age groups experience trauma. In senior age groups, cancer and disc disease are more prevalent.
History
Past medical history of trauma, illness, or damage.
weakness, pain, and loss of senses.
interruption of bladder or bowel function. impotence.
Urinary retention, saddle anesthesia, and bilateral sciatica are symptoms of cauda-equina syndrome.
Seen in spinal cord hemisection: Brown-Sequard syndrome. ipsilateral leg weakness and contralateral leg numbness.
Examination
Take a close look at both the motor and sensory levels.
Trauma to the spinal cord: Early hyperacute symptoms include diaphragmatic breathing, diminished anal tone, hyporeflexia, priapism, and spinal shock (# BP without tachycardia).
Flaccid paraparesis, urine retention, decreased anal tone, saddle anesthesia, and compromised knee, ankle, and bulbocavernous reflexes are all symptoms of cauda-equina syndrome. Perhaps not symmetrical.
Urinary retention combined with flaccid and spastic paraparesis is known as Conus medullaris syndrome.
Below the lesion, hypertonicity and hyperreflexia are present. Sensory disruption is often symmetrical and distributed perianally.
Sequard-Brown syndrome: observed in spinal cord hemisection. Ipsilateral spastic paralysis, loss of postural sensation, and contralateral loss of pain and temperature sense occur below the level of the lesion.
Differentiate between radiculopathies and cord compression: Radiculopathies are brought on by compression of the nerve root at the exit foramina or in the spinal canal. Only at that motor and sensory level does this result in LMN damage; beyond that level, no UMN indications are present.
Motor
C3–C5: Diaphragm L2: Hip flexion
C5: Shoulder abduction. L3: Knee extension
C6: Forearm flexion L4: Ankle dorsiflexion
C7: Forearm extension L5: Big toe extension
C8: Wrist/finger flexion S1: Ankle plantar flexion
T1: Finger abduction
Reflexes
C5–C6: Biceps reflex L1–L2: Cremaster reflex
C6: Brachioradialis (supinator) reflex L3–L4: Knee reflex
C7: Triceps reflex S1–S2: Ankle reflex
Hoffmann/s sign: UMN in upper limb S2–S4: Anocutaneous refl
S2–S4: Bulbocavernous reflex
Sensory
C4: Supraclavicular fossa T10: Umbilicus
C5: Clavicles T12: Hip girdle
C6: Thumb L4: Medial malleolus
C7: Middle finger S1: Lateral malleolus
C8: Little finger S2: Scrotum
T4: Nipples S3–S5: Perianal region
Investigations
Trauma radiology includes AP and lateral spine (also known as peg view), thoracic, and lumbar radiographs. High-resolution CT scans of the spine, which enable formatting for 3D visualization, are gradually replacing them.
Spine emergency MRI: To see the cord and soft tissue. Changes in cord signal and canal stenosis are important indicators.
Blood: protein electrophoresis, Ca2+, ESR, bone profile, FBC, and U&E.
Bence Jones protein in the urine is a sign of multiple myeloma.
Management
Traumatic cord injury: The ATLS recommendations should be followed while managing trauma injuries.
While it is debatable, NASCIS trial data suggests that giving high-dose steroids (methylprednisolone) to patients with severe spinal cord injuries for less than eight hours can improve their motor function.
Cord compression: If a tumor is found after imaging, high-dose steroids, such as dexamethasone, should be administered as away to lessen cord compression. Emergency radiation may potentially be effective in treating tumors. Get guidance from a neurosurgeon.
Surgery: Often required to remove the origin of compression and/or relieve compression.
External surgical stabilization: Using a halo or traction device, for instance.
Internal surgical stabilization: Using metal implants or bone grafts, for instance.
Surgical decompression: To relieve compression, a laminectomy, for instance.
For disc prolapses, a discectomy or microdiscectomy is used.
Rehabilitation: A multidisciplinary rehabilitation program including occupational therapy and physiotherapy, ideally in a specialized spinal unit.
Complications
Spinal function below the lesion is lost in cases of severe injury.
Paralysis of the breathing system: lesion above C4.
Quadriplegia, C4–T1.
Mid-thoracic: If above T6, paraplegia and autonomic dysreflexia.
S1: Loss of rectum and bladder control due to sacral parasympathetic loss.
Immobility-related complications include pressure sores, DVT, long-term spasticity (posing a risk of deformity), and heterotopic ossification.
Prognosis
When converted to the Frankel grade, the American Spinal Injury Association (ASIA) Impairment Scale after 72 hours after the injury has prognostic significance (see www.asia-spinalinjury.org for score sheet). Depending on the extent of the spinal cord injury, there may be some improvement over time.
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Surgery - Extradural Hemorrhage
Introduction
blood clotting and seeping into the extradural area.
Etiology
Because the squamous temporal bone is the thinnest portion of the cranial vault, head trauma often results in a fracture that can rupture the middle meningeal artery. Rapid blood clotting from arterial bleeding removes the dura from the skull's inner table. As a result, the underlying brain parenchyma is compressed and the ICP is elevated.
Epidemiology
In the UK, there is an annual incidence of 20/100,000 severe head injuries, or 10%. Mostly observed in young adults. Not frequently seen in older adults (subdural hemorrhages are more common in this age group).
History
Head injury with a momentary loss of consciousness, followed by a lucid interval, then development of steady degradation in conscious level.
Examination
symptoms of a broken or injured scalp.
ache.
declining GCS.
indications of an elevated ICP, such as a dilated, unresponsive pupil on the side of the wound.
Cushing's sign (increasing blood pressure and bradycardia) and abnormal posturing (decorticate and decerebrate) are examples of late indications.
Investigations
Quick CT scan: Identifies the site of the hemorrhage and is diagnostic. A haematoma that is convex or lens-shaped results from an arterial bleed. Midline shift, ventricular compression, basal cistern obliteration, and sulcal effacement are indications of elevated ICP.
Management
Early head injury management: To establish ABC and cervical spine control, according to ATLS standards. After the patient is stabilized, a CT scan is quickly performed to determine the extent of the brain injuries.
Surgical: Decompressive evacuation of the hemogloba by diathermy or cutting off the bleeding source in an emergency craniotomy. For postop monitoring, an ICP monitor could be installed. Supportive care and close observation are necessary, frequently in an ICU situation.
Complications
Acutely, brain herniation and mortality provide the most risk.
Amnesia, cognitive disability, and post-traumatic brain injury may be related in the long run.
Prognosis
Mortality rates are correlated with intracerebral injuries and the initial GCS. The prognosis is good if treatment is received early, and the underlying brain injury is typically mild.
Introduction
blood clotting and seeping into the extradural area.
Etiology
Because the squamous temporal bone is the thinnest portion of the cranial vault, head trauma often results in a fracture that can rupture the middle meningeal artery. Rapid blood clotting from arterial bleeding removes the dura from the skull's inner table. As a result, the underlying brain parenchyma is compressed and the ICP is elevated.
Epidemiology
In the UK, there is an annual incidence of 20/100,000 severe head injuries, or 10%. Mostly observed in young adults. Not frequently seen in older adults (subdural hemorrhages are more common in this age group).
History
Head injury with a momentary loss of consciousness, followed by a lucid interval, then development of steady degradation in conscious level.
Examination
symptoms of a broken or injured scalp.
ache.
declining GCS.
indications of an elevated ICP, such as a dilated, unresponsive pupil on the side of the wound.
Cushing's sign (increasing blood pressure and bradycardia) and abnormal posturing (decorticate and decerebrate) are examples of late indications.
Investigations
Quick CT scan: Identifies the site of the hemorrhage and is diagnostic. A haematoma that is convex or lens-shaped results from an arterial bleed. Midline shift, ventricular compression, basal cistern obliteration, and sulcal effacement are indications of elevated ICP.
Management
Early head injury management: To establish ABC and cervical spine control, according to ATLS standards. After the patient is stabilized, a CT scan is quickly performed to determine the extent of the brain injuries.
Surgical: Decompressive evacuation of the hemogloba by diathermy or cutting off the bleeding source in an emergency craniotomy. For postop monitoring, an ICP monitor could be installed. Supportive care and close observation are necessary, frequently in an ICU situation.
Complications
Acutely, brain herniation and mortality provide the most risk.
Amnesia, cognitive disability, and post-traumatic brain injury may be related in the long run.
Prognosis
Mortality rates are correlated with intracerebral injuries and the initial GCS. The prognosis is good if treatment is received early, and the underlying brain injury is typically mild.
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Surgery - Hydrocephalus
Introduction
the cerebral ventricular system's enlargement. Subdivided into communicating and non-communicating (or obstructive and non-obstructive). The phrase "hydrocephalus ex vacuo" refers to an apparent enlargement of the ventricles, however this is actually a compensatory alteration brought on by brain shrinkage.
Etiology
One of the following factors may contribute to abnormal CSF buildup in the ventricles:1. obstructed, or poor, outflow of CSF from the ventricular system
3. poor CSF resorption in the subarachnoid villi (non-obstructive); 4. lesions of the fourth, third, and cerebral aqueduct; 5. posterior fossa lesions (such as tumors, blood) compressing the fourth ventricle; 6. cerebral aqueduct stenosis
tumors,
-normal pressure hydrocephalus (NPH), an idiopathic persistent ventricular enlargement; -meningitis (usually tuberculosis). The impairment of gait and cognitive decline is brought on by injury to the long white matter tracts (corona radiata, anterior commissure).
Epidemiology
age distribution that is bimodal. strokes and tumors in the elderly, congenital abnormalities and tumors in the young.
History
Acute reduction in consciousness is known as obstructive hydrocephalus. Diplopia.
NPH: Incontinence of the urine, falls, and chronic cognitive deterioration.
Obstructive hydrocephalus: Examination I impaired GCS, palsy of the VI nerve (a "false localizing sign" of elevated ICP), and papilloedema. Neonates may have a "sunset sign" (a downward conjugate deviation of the eyes) and an enlarged head circumference.
NPH: Impairment of cognition. Apraxia of gait (shuffling). Overreaction.
Investigations
Head of CT: primary research to identify hydrocephalus. may also identify the root cause, such as a brainstem tumor.
Lumbar puncture: Due to the risk of tonsillar herniation and mortality, this procedure is not recommended in patients with obstructive hydrocephalus. may be required as a treatment trial in patients with normal pressure hydrocephalus.
CSF: Drawn from lumbar punctures or ventricular drains, which may reveal an underlying pathology (such as tuberculosis). Examine for protein, glucose (both CSF and plasma), and MC&S.
Management
Airway, breathing, and circulation in an emergency. Keep the airway safe and secure if GCS is compromised.
Address seizures. Get a CT scan and contact neurosurgery right away.
External ventricular drain: To get around any blockage, a catheter is inserted into the lateral ventricle.
A ventricular catheter is inserted into one or both lateral ventricles and connected to a subcutaneous drain that travels to the peritoneal cavity in a procedure known as ventriculoperitoneal shunting. carries a risk of blockage, infection, or malfunction (particularly with electronic shunts).
A different technique that might be useful for communicating hydrocephalus is lumbroperitoneal shunting.
Advanced neurosurgery: Other methods for avoiding obstructions or preserving patency for CSF flow include aqueductoplasty and endoscopic ventriculostomy.
Complication
brain death,brain coning, and herniation.
Prognosis
If left untreated, obstructive hydrocephalus can be fatal. Shunting can help NPH patients with their declining cognitive and gait.
Introduction
the cerebral ventricular system's enlargement. Subdivided into communicating and non-communicating (or obstructive and non-obstructive). The phrase "hydrocephalus ex vacuo" refers to an apparent enlargement of the ventricles, however this is actually a compensatory alteration brought on by brain shrinkage.
Etiology
One of the following factors may contribute to abnormal CSF buildup in the ventricles:1. obstructed, or poor, outflow of CSF from the ventricular system
3. poor CSF resorption in the subarachnoid villi (non-obstructive); 4. lesions of the fourth, third, and cerebral aqueduct; 5. posterior fossa lesions (such as tumors, blood) compressing the fourth ventricle; 6. cerebral aqueduct stenosis
tumors,
-normal pressure hydrocephalus (NPH), an idiopathic persistent ventricular enlargement; -meningitis (usually tuberculosis). The impairment of gait and cognitive decline is brought on by injury to the long white matter tracts (corona radiata, anterior commissure).
Epidemiology
age distribution that is bimodal. strokes and tumors in the elderly, congenital abnormalities and tumors in the young.
History
Acute reduction in consciousness is known as obstructive hydrocephalus. Diplopia.
NPH: Incontinence of the urine, falls, and chronic cognitive deterioration.
Obstructive hydrocephalus: Examination I impaired GCS, palsy of the VI nerve (a "false localizing sign" of elevated ICP), and papilloedema. Neonates may have a "sunset sign" (a downward conjugate deviation of the eyes) and an enlarged head circumference.
NPH: Impairment of cognition. Apraxia of gait (shuffling). Overreaction.
Investigations
Head of CT: primary research to identify hydrocephalus. may also identify the root cause, such as a brainstem tumor.
Lumbar puncture: Due to the risk of tonsillar herniation and mortality, this procedure is not recommended in patients with obstructive hydrocephalus. may be required as a treatment trial in patients with normal pressure hydrocephalus.
CSF: Drawn from lumbar punctures or ventricular drains, which may reveal an underlying pathology (such as tuberculosis). Examine for protein, glucose (both CSF and plasma), and MC&S.
Management
Airway, breathing, and circulation in an emergency. Keep the airway safe and secure if GCS is compromised.
Address seizures. Get a CT scan and contact neurosurgery right away.
External ventricular drain: To get around any blockage, a catheter is inserted into the lateral ventricle.
A ventricular catheter is inserted into one or both lateral ventricles and connected to a subcutaneous drain that travels to the peritoneal cavity in a procedure known as ventriculoperitoneal shunting. carries a risk of blockage, infection, or malfunction (particularly with electronic shunts).
A different technique that might be useful for communicating hydrocephalus is lumbroperitoneal shunting.
Advanced neurosurgery: Other methods for avoiding obstructions or preserving patency for CSF flow include aqueductoplasty and endoscopic ventriculostomy.
Complication
brain death,brain coning, and herniation.
Prognosis
If left untreated, obstructive hydrocephalus can be fatal. Shunting can help NPH patients with their declining cognitive and gait.
- Published on
Surgery - Intracerebral Hemorrhage
Introduction
internal bleeding that results in the creation of a localized hemorrhage in the brain parenchyma.
Etiology
The two most frequent causes are trauma and hypertension. Arteriovenous malformation, intracerebral aneurysms, cavernous haemangiomas, tumors, bleeding into an area that has already been infarcted, and drug addiction (such as amphetamine and cocaine) are other reasons.
may develop either inward into the ventricular system (intraventricular hemorrhage) or outward onto the brain's surface (becoming a subarachnoid hemorrhage).
Epidemiology
15% of cases of stroke. There are 15–300/100,000 cases. maximum frequency in older age cohorts.
History
Depending on the origin of the hemorrhage, signs of sudden onset of stroke syndrome can include contralateral paralysis and speech disturbance if the dominant hemisphere is affected.
declining consciousness level.
vomiting and headaches.
Examination
Hemiparesis, sensory loss, cranial nerve abnormalities, cerebellar ataxia, and loss of higher cognitive abilities are symptoms of stroke syndrome.
Bradycardia, elevated blood pressure, and a decreased GCS are indicators of elevated ICP. A potential herniation may be indicated by uneven pupils.
Investigations
Brain CT scan: Recommended for all stroke types to differentiate between ischemic and hemorrhagic strokes.
Severity indicators include hydrocephalus, midline shift, and elevated ICP.
Brain MRI: The gradient-echo sequence is helpful in locating sites of microhaemorrhage and has a high sensitivity for haemosiderin.
If there is a suspicion that there is a vascular abnormality underlying, cerebral angiography may be necessary.
Management
Emergency: Pay close attention to ABC; GCS may need to be used for intubation and ventilation.
supportive care that includes resuscitation, coagulation and electrolyte problems repair, and other measures.
Surgery: Since the STICH-1 trial indicates no discernible advantage from early neurosurgery, craniotomy for the evacuation of hemorrhages should only be performed for big (>3 cm) cerebellar hemorrhages or those with large lobar hemorrhages, substantial mass effect, and rapidly deteriorating health.
Medical: ICP monitoring: observation (e.g., implantation of a pressure monitoring bolt) and management of elevated ICP (e.g., moving the bed upright, hyperventilation, external ventricular drain in hydrocephalus).
Blood pressure regulation: Sudden drop in blood pressure increases the chance of a watershed infarction. Though the INTERACT study has demonstrated that a goal systolic blood pressure of less than 140 mmHg is linked to a decreased risk of adverse events and a decrease in hemorrhage, standard guidelines still propose a target systolic blood pressure of less than 180 mmHg.
Supportive measures include pressure point relief, nutritional support (NG feeding), speech and language therapy, and rehabilitation.
More recent agents: Factor VII reduces hematoma expansion, however the FAST trial's outcome was unaffected.
Complications
elevated ICP, hydrocephalus, neural impairments, and herniation, particularly in cases of posterior fossa hemorrhage.
Prognosis
high mortality, with the magnitude of the hemorrhage and the GCS score upon admission serving as reliable indicators of prognosis.
Introduction
internal bleeding that results in the creation of a localized hemorrhage in the brain parenchyma.
Etiology
The two most frequent causes are trauma and hypertension. Arteriovenous malformation, intracerebral aneurysms, cavernous haemangiomas, tumors, bleeding into an area that has already been infarcted, and drug addiction (such as amphetamine and cocaine) are other reasons.
may develop either inward into the ventricular system (intraventricular hemorrhage) or outward onto the brain's surface (becoming a subarachnoid hemorrhage).
Epidemiology
15% of cases of stroke. There are 15–300/100,000 cases. maximum frequency in older age cohorts.
History
Depending on the origin of the hemorrhage, signs of sudden onset of stroke syndrome can include contralateral paralysis and speech disturbance if the dominant hemisphere is affected.
declining consciousness level.
vomiting and headaches.
Examination
Hemiparesis, sensory loss, cranial nerve abnormalities, cerebellar ataxia, and loss of higher cognitive abilities are symptoms of stroke syndrome.
Bradycardia, elevated blood pressure, and a decreased GCS are indicators of elevated ICP. A potential herniation may be indicated by uneven pupils.
Investigations
Brain CT scan: Recommended for all stroke types to differentiate between ischemic and hemorrhagic strokes.
Severity indicators include hydrocephalus, midline shift, and elevated ICP.
Brain MRI: The gradient-echo sequence is helpful in locating sites of microhaemorrhage and has a high sensitivity for haemosiderin.
If there is a suspicion that there is a vascular abnormality underlying, cerebral angiography may be necessary.
Management
Emergency: Pay close attention to ABC; GCS may need to be used for intubation and ventilation.
supportive care that includes resuscitation, coagulation and electrolyte problems repair, and other measures.
Surgery: Since the STICH-1 trial indicates no discernible advantage from early neurosurgery, craniotomy for the evacuation of hemorrhages should only be performed for big (>3 cm) cerebellar hemorrhages or those with large lobar hemorrhages, substantial mass effect, and rapidly deteriorating health.
Medical: ICP monitoring: observation (e.g., implantation of a pressure monitoring bolt) and management of elevated ICP (e.g., moving the bed upright, hyperventilation, external ventricular drain in hydrocephalus).
Blood pressure regulation: Sudden drop in blood pressure increases the chance of a watershed infarction. Though the INTERACT study has demonstrated that a goal systolic blood pressure of less than 140 mmHg is linked to a decreased risk of adverse events and a decrease in hemorrhage, standard guidelines still propose a target systolic blood pressure of less than 180 mmHg.
Supportive measures include pressure point relief, nutritional support (NG feeding), speech and language therapy, and rehabilitation.
More recent agents: Factor VII reduces hematoma expansion, however the FAST trial's outcome was unaffected.
Complications
elevated ICP, hydrocephalus, neural impairments, and herniation, particularly in cases of posterior fossa hemorrhage.
Prognosis
high mortality, with the magnitude of the hemorrhage and the GCS score upon admission serving as reliable indicators of prognosis.
- Published on
Surgery - Subarachnoid Hemorrhage
Introduction
Bleed into the subarachnoid space, which is the area between the pia mater, which protects the brain and spinal cord, and the arachnoid mater, which lines the interior side of the dura. This space contains CSF.
Etiology
85% rupture of a saccular aneurysm (berry aneurysm), 5% AVMs.
Additional reasons include mycotic aneurysms, trauma, perimesencephalic hemorrhage, and drug addiction (e.g., cocaine).
Epidemiology
The yearly occurrence of 10/100,000. maximum age in the 1950s.
History
An acute, intense headache that is traditionally described as feeling like a "hit to the back of the head."
Associated symptoms include photophobia, neck stiffness, and nausea.
Perplexity, breakdown, or # awareness level.
Examination
Meningism is characterized by stiff neck and Kernig's sign, which is pain or resistance to knee extension when the hip is flexed and is caused by blood irritating the meninges.
Glasgow Coma Rating System: Evaluate and periodically check for decline.
Three components make up the Glasgow Coma Scale (GCS); the lowest score is 3 and the highest score is 15.
Papilloedema and IVth or IIIrd cranial nerve palsy (the latter may potentially be caused by pressure from a posterior communicating artery aneurysm) are indications of elevated intracranial pressure.
Subhyaloid hemorrhage between the vitreous membrane and retina was discovered by fundoscopy.
Focal neurological signs: Usually brought on by diminished brain perfusion and ischemia from vasospasm.
Pathogenesis
abnormal localized blood artery dilatation, typically observed at the locations where the arteries split in the Willis circle, where a congenital or acquired vessel wall weakening is thought to exist. Saccular aneurysms are linked to Ehlers-Danlos syndrome, Marfan's syndrome, pseudoxanthoma elasticum, and polycystic kidney disease. Twenty percent of people have several aneurysms.
Investigations
Blood: coagulation, G&S, ESR, CRP, U&Es, and FBC.
On a CT scan, hyperdense patches in the subarachnoid space—typically in the Sylvian fissure or basal chambers—represent blood. There might be hydrocephalus present as well.
Angiography (MRI, CT, or intra-arterial four-vessel): To identify the bleeding location in patients who may benefit from endovascular or surgical procedures.
Lumbar puncture: spectrophotometry of the CSF supernatant following centrifugation revealed the following: "Opening pressure," "RBC," low WCC, and xanthochromia (straw-colored CSF) caused by breakdown of Hb.
Management
Acute: Maintain bed rest, analgesics (codeine or paracetamol), IV fluids to maintain cerebral perfusion (use 0.9% saline; avoid sucrose as it may exacerbate hyponatraemia and increased cerebral oedema), and seek prompt neurosurgical assessment. To avoid vasospasm, imidipine should be used every four hours.
Interventional neuroradiology: Aneurysm coiling, typically with platinum. According to the ISAT experiment, the results are comparable to neurosurgery, if not better.
Surgical: If neuroradiological intervention is not effective for aneurysm, then the aneurysm may need to be clipped or wrapped.
Complications
25 percent of cases of hydrocephalus are caused by blood impeding CSF flow or resorption through arachnoid villi.
cerebral vasospasm, which appears 2-4 days following a hemorrhage.
Hyponatraemia (perhaps brought on by cerebral salt-wasting disease or SIADH).
severe neurological impairments based on the bleeding place.
Prognosis
high death rate (over 30% in the initial days). A lower GCS or a neurological abnormality upon presentation are associated with a worse prognosis. During the first two months without treatment, there is a significant chance of a serious rebleed. reduced death rate compared to aneurysmal bleeds in situations of perimesencephalic subarachnoid hemorrhage.
Introduction
Bleed into the subarachnoid space, which is the area between the pia mater, which protects the brain and spinal cord, and the arachnoid mater, which lines the interior side of the dura. This space contains CSF.
Etiology
85% rupture of a saccular aneurysm (berry aneurysm), 5% AVMs.
Additional reasons include mycotic aneurysms, trauma, perimesencephalic hemorrhage, and drug addiction (e.g., cocaine).
Epidemiology
The yearly occurrence of 10/100,000. maximum age in the 1950s.
History
An acute, intense headache that is traditionally described as feeling like a "hit to the back of the head."
Associated symptoms include photophobia, neck stiffness, and nausea.
Perplexity, breakdown, or # awareness level.
Examination
Meningism is characterized by stiff neck and Kernig's sign, which is pain or resistance to knee extension when the hip is flexed and is caused by blood irritating the meninges.
Glasgow Coma Rating System: Evaluate and periodically check for decline.
Three components make up the Glasgow Coma Scale (GCS); the lowest score is 3 and the highest score is 15.
Papilloedema and IVth or IIIrd cranial nerve palsy (the latter may potentially be caused by pressure from a posterior communicating artery aneurysm) are indications of elevated intracranial pressure.
Subhyaloid hemorrhage between the vitreous membrane and retina was discovered by fundoscopy.
Focal neurological signs: Usually brought on by diminished brain perfusion and ischemia from vasospasm.
Pathogenesis
abnormal localized blood artery dilatation, typically observed at the locations where the arteries split in the Willis circle, where a congenital or acquired vessel wall weakening is thought to exist. Saccular aneurysms are linked to Ehlers-Danlos syndrome, Marfan's syndrome, pseudoxanthoma elasticum, and polycystic kidney disease. Twenty percent of people have several aneurysms.
Investigations
Blood: coagulation, G&S, ESR, CRP, U&Es, and FBC.
On a CT scan, hyperdense patches in the subarachnoid space—typically in the Sylvian fissure or basal chambers—represent blood. There might be hydrocephalus present as well.
Angiography (MRI, CT, or intra-arterial four-vessel): To identify the bleeding location in patients who may benefit from endovascular or surgical procedures.
Lumbar puncture: spectrophotometry of the CSF supernatant following centrifugation revealed the following: "Opening pressure," "RBC," low WCC, and xanthochromia (straw-colored CSF) caused by breakdown of Hb.
Management
Acute: Maintain bed rest, analgesics (codeine or paracetamol), IV fluids to maintain cerebral perfusion (use 0.9% saline; avoid sucrose as it may exacerbate hyponatraemia and increased cerebral oedema), and seek prompt neurosurgical assessment. To avoid vasospasm, imidipine should be used every four hours.
Interventional neuroradiology: Aneurysm coiling, typically with platinum. According to the ISAT experiment, the results are comparable to neurosurgery, if not better.
Surgical: If neuroradiological intervention is not effective for aneurysm, then the aneurysm may need to be clipped or wrapped.
Complications
25 percent of cases of hydrocephalus are caused by blood impeding CSF flow or resorption through arachnoid villi.
cerebral vasospasm, which appears 2-4 days following a hemorrhage.
Hyponatraemia (perhaps brought on by cerebral salt-wasting disease or SIADH).
severe neurological impairments based on the bleeding place.
Prognosis
high death rate (over 30% in the initial days). A lower GCS or a neurological abnormality upon presentation are associated with a worse prognosis. During the first two months without treatment, there is a significant chance of a serious rebleed. reduced death rate compared to aneurysmal bleeds in situations of perimesencephalic subarachnoid hemorrhage.
Glasgow Coma Scale
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Surgery - Chronic Pancreatitis
Introduction
irreversible parenchymal shrinkage and fibrosis, which results in compromised endocrine and exocrine function and recurring stomach pain, are the hallmarks of this pancreatic chronic inflammatory illness.
Etiology
70% alcohol. 20% are idiopathic.
Rare: Hyperparathyroidism, hypertriglyceridemia, ductal blockage, pancreatic divisum, hereditary pancreatitis, tropical pancreatitis, autoimmune pancreatitis, and recurrent acute pancreatitis.
Epidemiology
UK incidence is 1/100,000 annually, while prevalence is 3/100,000. Age range for alcohol-related diseases: 40–50 years on average.
History
Eating or drinking alcohol can make recurrent, severe epigastric pain worse. This discomfort radiates to the back and is eased by sitting forward. Weight loss, bloating, and pale, unpleasant feces for a long period of time (steatorrhoea).
Examination
Examining the tenderness in the epigastrum. indicators of difficulties, including as malnourishment or weight loss.
Pathogenesis
disruption of the typical ductal dilatation, parenchymal atrophy, calcification, chronic inflammation and fibrosis, cyst and stone development, and pancreatic glandular architecture.
It is believed that pancreatic stellate cells play a part in the formation of extracellular matrix, cytokines, and growth factors in response to damage. These cells change from quiescent fat-storing cells to myofibroblast-like cells. Inflammation and elevated intraductal pressures are linked to pain.
Investigational studies
Blood: glucose tolerance test, glucose ("may indicate endocrine dysfunction"). Lipase and amylase (often normal), immunoglobulins, particularly IgG4 in cases of autoimmune pancreatitis.
USS: Percutaneous or endoscopic: may exhibit post-acoustic shadowing and hyperechoic foci.
MRCP or ERCP: Initially, there are alterations such as branch stumping and dilated main duct. Late signs resemble duct strictures with intermittent dilatation, like a "chain of lakes."
AXR: There could be obvious pancreatic calcification.
CT scan: calcification and pancreatic cysts.
Examinations of the pancreatic exocrine system: Elastase found in feces.
Management
General: The primary forms of treatment are supportive and symptomatic, such as food counseling, quitting smoking and alcohol, managing diabetes, taking oral pancreatic enzyme replacements like Creon, and providing analgesia for severe pain episodes. Managing chronic pain can require expert advice. The celiac ganglia and planchnic nerves are crossed by the sensory nerves that supply the pancreas; different levels of pain alleviation can be obtained with coeliac plexus block (CT or EUS-guided neurolysis) and transthoracic splanchnicectomy.
Sphincterotomy, stone extraction, stricture dilatation, or stenting are examples of endoscopic therapy.
Larger pancreatic stones may occasionally be fragmented by extracorporeal shock-wave lithotripsy before being removed endoscopically.
Surgical: If medical care is ineffective, it can be necessary. The modified Puestow treatment offers lateral pancreaticojejunal drainage; resection (pancreaticoduodenectomy or Whipple's); restricted resection of the pancreatic head (Beger procedure); or a combination of pancreatic duct opening and pancreatic head excavation (Frey procedure).
Complications
Local: pancreatic cancer, duodenal blockage, biliary duct stricture, pseudocysts, and pancreatic ascites.
Systemic conditions include dependency on potent analgesics, diabetes, steatorrhea, low quality of life, and chronic pain syndromes.
Prognosis
unpredictable since pain can get better, stay the same, or get worse. In 60–70% of cases, surgery relieves symptoms, but the effects are frequently short-lived. There is a 10–20 year reduction in life expectancy.
Introduction
irreversible parenchymal shrinkage and fibrosis, which results in compromised endocrine and exocrine function and recurring stomach pain, are the hallmarks of this pancreatic chronic inflammatory illness.
Etiology
70% alcohol. 20% are idiopathic.
Rare: Hyperparathyroidism, hypertriglyceridemia, ductal blockage, pancreatic divisum, hereditary pancreatitis, tropical pancreatitis, autoimmune pancreatitis, and recurrent acute pancreatitis.
Epidemiology
UK incidence is 1/100,000 annually, while prevalence is 3/100,000. Age range for alcohol-related diseases: 40–50 years on average.
History
Eating or drinking alcohol can make recurrent, severe epigastric pain worse. This discomfort radiates to the back and is eased by sitting forward. Weight loss, bloating, and pale, unpleasant feces for a long period of time (steatorrhoea).
Examination
Examining the tenderness in the epigastrum. indicators of difficulties, including as malnourishment or weight loss.
Pathogenesis
disruption of the typical ductal dilatation, parenchymal atrophy, calcification, chronic inflammation and fibrosis, cyst and stone development, and pancreatic glandular architecture.
It is believed that pancreatic stellate cells play a part in the formation of extracellular matrix, cytokines, and growth factors in response to damage. These cells change from quiescent fat-storing cells to myofibroblast-like cells. Inflammation and elevated intraductal pressures are linked to pain.
Investigational studies
Blood: glucose tolerance test, glucose ("may indicate endocrine dysfunction"). Lipase and amylase (often normal), immunoglobulins, particularly IgG4 in cases of autoimmune pancreatitis.
USS: Percutaneous or endoscopic: may exhibit post-acoustic shadowing and hyperechoic foci.
MRCP or ERCP: Initially, there are alterations such as branch stumping and dilated main duct. Late signs resemble duct strictures with intermittent dilatation, like a "chain of lakes."
AXR: There could be obvious pancreatic calcification.
CT scan: calcification and pancreatic cysts.
Examinations of the pancreatic exocrine system: Elastase found in feces.
Management
General: The primary forms of treatment are supportive and symptomatic, such as food counseling, quitting smoking and alcohol, managing diabetes, taking oral pancreatic enzyme replacements like Creon, and providing analgesia for severe pain episodes. Managing chronic pain can require expert advice. The celiac ganglia and planchnic nerves are crossed by the sensory nerves that supply the pancreas; different levels of pain alleviation can be obtained with coeliac plexus block (CT or EUS-guided neurolysis) and transthoracic splanchnicectomy.
Sphincterotomy, stone extraction, stricture dilatation, or stenting are examples of endoscopic therapy.
Larger pancreatic stones may occasionally be fragmented by extracorporeal shock-wave lithotripsy before being removed endoscopically.
Surgical: If medical care is ineffective, it can be necessary. The modified Puestow treatment offers lateral pancreaticojejunal drainage; resection (pancreaticoduodenectomy or Whipple's); restricted resection of the pancreatic head (Beger procedure); or a combination of pancreatic duct opening and pancreatic head excavation (Frey procedure).
Complications
Local: pancreatic cancer, duodenal blockage, biliary duct stricture, pseudocysts, and pancreatic ascites.
Systemic conditions include dependency on potent analgesics, diabetes, steatorrhea, low quality of life, and chronic pain syndromes.
Prognosis
unpredictable since pain can get better, stay the same, or get worse. In 60–70% of cases, surgery relieves symptoms, but the effects are frequently short-lived. There is a 10–20 year reduction in life expectancy.
chronic Pancreatitis
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Surgery - Anal Carcinoma
Introduction
Malignancy developing in the anal verge or canal.
R isk Factors
connected to human papillomavirus carcinogenic strains (e.g. 16, 18). older than fifty. HIV or immunosuppressive medications, chronic fistulae, prior pelvic irradiation, genital warts, several sexual partners, homosexual men, and those having anorexic relations may further increase risk, while the increased risk decreases with quitting smoking.
Epidemiology
Rare, 3–4% of large bowel carcinomas, mean age 50–70 years, females >males (although anal border tumors are more prevalent in men). increasing frequency.
H HISTORY
Anal discomfort, bleeding, pruritus, discharge, tenesmus, and a mass felt on the anal edge. faecal incontinence if sphincter involvement. Absence of symptoms.
Examination
An examination of the anal edge may reveal an ulcer or proliferative growth, while a PR examination may reveal a region of inflammation or mass. At presentation, 15–30% of patients will have palpable inguinal lymph nodes (albeit only 50% of them will have tumors).
Pathogenesis
The most common kind, which is typically unpigmented, is squamous cell carcinoma (80%), adenocarcinoma, or infrequently malignant melanoma (the most common place after skin and eye). Dysplasia of the squamous epithelium is referred to as anal intraepithelial neoplasia, and it is believed to be pre-malignant.
Anal cancer is categorized according to its location:. Anal canal tumors are typically non-keratinizing, poorly differentiated tumors. 15% to 30% of anal margin tumors are often well differentiated and produce keratin.
While tumors below the dentate line spread to the inguinal nodes, tumors above the dentate line spread to the pelvic lymph nodes.
Investigational studies
For histology, proctoscopy and biopsy are used. It can be necessary to do an examination while sedated.
Blood: LFT, FBC (for anemia).
Imaging: PET scan for staging, MRI and CT, endoanal ultrasonography to evaluate invasion.
TNM staging scheme: T0: no indication of a primary tumor That is: in situ carcinoma; TI: 2 cm, T2: 2 cm, < 5 cm; T3 > 5 cm; T4: any size but is expanding into the surrounding tissues. N0 denotes the absence of lymph nodes, N1 the involvement of perirectal lymph nodes, N2 the involvement of unilateral pelvic or inguinal nodes, and N3 the involvement of bilateral pelvic or groin nodes or perirectal þ pelvis or groin nodes. Nx: Unassessed regional nodes. M0: no distant spread; M1: metastases to distant organs or abdominal lymph nodes; Mx: metastasis not assessed.
Management
Prevention: Reduce the amount of risk. A vaccination against HPV 16 and 18 is available, however as of right now, it can only be used to prevent cervical cancer. There are plans for more research on the vaccine's potential to prevent anal cancer.
Radiation and chemotherapy: In addition to local irradiation, agents such as 5-fluorouracil and mitomicinCor cisplatin are administered to the inguinal nodes and anal region.
Results similar to radical surgery where the anal sphincter is preserved
Surgery: Local excision of anal border small epidermoid carcinomas may be therapeutic.
Abdominoperineal resection was previously used to treat carcinomas of the anal canal; however, due to advancements in chemoradiotherapy, this procedure is now typically reserved for patients with residual disease, recurrence following radiotherapy, obstructive cancers, or other anal canal malignancies (such as adenocarcinoma).
Complications
Local: If ignored, there may be rectovaginal fistula, pain, bleeding, and incontinence.
Regarding radiotherapy: diarrhea, proctitis, dermatitis, and irritation of the perineum brought on by radiation.
Prognosis
Histological type, location, differentiation, and stage are significant variables. When severe chemotherapy and radiation are used to treat early-stage squamous carcinomas, the five-year survival rate drops to 30% if inguinal nodes are implicated. In this area, the prognosis for melanoma is poor, with just 10% of cases being cured with surgery.
Introduction
Malignancy developing in the anal verge or canal.
R isk Factors
connected to human papillomavirus carcinogenic strains (e.g. 16, 18). older than fifty. HIV or immunosuppressive medications, chronic fistulae, prior pelvic irradiation, genital warts, several sexual partners, homosexual men, and those having anorexic relations may further increase risk, while the increased risk decreases with quitting smoking.
Epidemiology
Rare, 3–4% of large bowel carcinomas, mean age 50–70 years, females >males (although anal border tumors are more prevalent in men). increasing frequency.
H HISTORY
Anal discomfort, bleeding, pruritus, discharge, tenesmus, and a mass felt on the anal edge. faecal incontinence if sphincter involvement. Absence of symptoms.
Examination
An examination of the anal edge may reveal an ulcer or proliferative growth, while a PR examination may reveal a region of inflammation or mass. At presentation, 15–30% of patients will have palpable inguinal lymph nodes (albeit only 50% of them will have tumors).
Pathogenesis
The most common kind, which is typically unpigmented, is squamous cell carcinoma (80%), adenocarcinoma, or infrequently malignant melanoma (the most common place after skin and eye). Dysplasia of the squamous epithelium is referred to as anal intraepithelial neoplasia, and it is believed to be pre-malignant.
Anal cancer is categorized according to its location:. Anal canal tumors are typically non-keratinizing, poorly differentiated tumors. 15% to 30% of anal margin tumors are often well differentiated and produce keratin.
While tumors below the dentate line spread to the inguinal nodes, tumors above the dentate line spread to the pelvic lymph nodes.
Investigational studies
For histology, proctoscopy and biopsy are used. It can be necessary to do an examination while sedated.
Blood: LFT, FBC (for anemia).
Imaging: PET scan for staging, MRI and CT, endoanal ultrasonography to evaluate invasion.
TNM staging scheme: T0: no indication of a primary tumor That is: in situ carcinoma; TI: 2 cm, T2: 2 cm, < 5 cm; T3 > 5 cm; T4: any size but is expanding into the surrounding tissues. N0 denotes the absence of lymph nodes, N1 the involvement of perirectal lymph nodes, N2 the involvement of unilateral pelvic or inguinal nodes, and N3 the involvement of bilateral pelvic or groin nodes or perirectal þ pelvis or groin nodes. Nx: Unassessed regional nodes. M0: no distant spread; M1: metastases to distant organs or abdominal lymph nodes; Mx: metastasis not assessed.
Management
Prevention: Reduce the amount of risk. A vaccination against HPV 16 and 18 is available, however as of right now, it can only be used to prevent cervical cancer. There are plans for more research on the vaccine's potential to prevent anal cancer.
Radiation and chemotherapy: In addition to local irradiation, agents such as 5-fluorouracil and mitomicinCor cisplatin are administered to the inguinal nodes and anal region.
Results similar to radical surgery where the anal sphincter is preserved
Surgery: Local excision of anal border small epidermoid carcinomas may be therapeutic.
Abdominoperineal resection was previously used to treat carcinomas of the anal canal; however, due to advancements in chemoradiotherapy, this procedure is now typically reserved for patients with residual disease, recurrence following radiotherapy, obstructive cancers, or other anal canal malignancies (such as adenocarcinoma).
Complications
Local: If ignored, there may be rectovaginal fistula, pain, bleeding, and incontinence.
Regarding radiotherapy: diarrhea, proctitis, dermatitis, and irritation of the perineum brought on by radiation.
Prognosis
Histological type, location, differentiation, and stage are significant variables. When severe chemotherapy and radiation are used to treat early-stage squamous carcinomas, the five-year survival rate drops to 30% if inguinal nodes are implicated. In this area, the prognosis for melanoma is poor, with just 10% of cases being cured with surgery.
