Ileus causes

Ileus Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Causes

Mechanical Obstruction

• Adenomatous polyps
• Adhesions
• Adhesive bands
• Annular pancreas
• Ascariades
• Atresia
• Biliary calculus
• Bowel duplication
• Carcinomatosis
• Colon Cancer
• Congenital megacolon
• Crohn's Disease
• Cysts
• Diverticular stricture
• Diverticulitis
• Endometriosis
• Foreign body
• Gallstone ileus
• Hematoma of the bowel wall
• Hernia
• Hirschprung's disease
• Iatrogenic
• Imperforate anus
• Incarcerated hernia
• Inflammatory
• Intrabdominal abscess
• Intrabdominal hematoma
• Invagination, intussisception
• Ischemia
• Malrotation
• Meckel's Diverticulum
• Megacolon
• Multiple polyposis syndromes
• Neoplasm
• Ovarian Cancer
• Pneumatosis intestinalis
• Postoperative
• Pregnancy
• Radiation induced stenosis
• Sarcoma
• Scleroderma
• Surgical anastomosis
• Therapy with dietary fiber
• Trauma
• Tuberculosis
• Ulcerative colitis
• Volvulus

Non-Mechanical Obstruction

• Acid-base imbalance
• Acute pancreatitis
• Anticholinergics
• Antihistamines
• Apoplexy
• Brain tumor
• Cancer
• Catecholamines
• Cholecystolithiasis
• Connective tissue disease
• Diabetic coma
• Empyema
• Hyperparathyroidism
• Hypokalemia
• Lead poisoning
• Lymphoma
• Mechanical ventilation
• Mesenteric infarction
• Morphine
• Narcotics
• Osteomyelitis of the spine
• Ovarian torsion
• Pancreatitis
• Penetrating wounds
• Perinephric abscess
• Peritoneal carcinomatosis
• Peritonitis
• Pneumonia
• Porphyria
• Postoperative
• Psoas abscess
• Pyelonephritis
• Renal colic
• Retroperitoneal hematoma
• Spinal cord inflammation
• Spinal cord injury
• Spinal cord trauma
• Systemic infection
• Testicular torsion
• Ulcer perforation
• Uremia
• Urosepsis
• Vitamin deficiency

Pseudo-Obstruction

• Aerophagia
• Functional bowel disease