(Colonic Ileus; Ogilvie’s Syndrome; Acute Colonic Pseudo-obstruction; Acute Nontoxic Megacolon)
DefinitionIn intestinal pseudo-obstruction, foods and liquids are unable to pass through the intestine, causing a build-up of food, fluid, and gas in all or part of the colon. The symptoms of this condition act like a mechanical bowel obstruction , but no blockage is found when doctors examine the intestine.
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CausesIntestinal pseudo-obstruction is caused by problems with the muscles and nerves of the intestine.
Risk FactorsThe following factors are thought to increase the risk of developing intestinal pseudo-obstruction:
- Abdominal hemorrhage
- Intestinal ischemia (insufficient blood supply to the digestive system)
- Inflammation (eg, infection)
- Metabolic problems
- Fluid overload (eg, congestive heart failure )
- Other medical illnesses associated with pain
- Certain medications
SymptomsSymptoms of intestinal pseudo-obstruction may include:
- Stomach pain
- Reduction in bowel movements
- Loose stools
- Bladder problems
DiagnosisYou will be asked about your symptoms and medical history. A physical exam will be done.Your body fluids may be tested. This can be done with:
- Blood tests
- Urine tests
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