Ileus

(Adynamic Ileus; Paralytic Ileus; Nonmechanical Bowel Obstruction; Ogilvie’s Syndrome; Colonic Pseudo-obstruction)

Definition

Ileus is a type of nonmechanical bowel obstruction. It results when peristalsis stops. Peristalsis is the wavelike contractions that push contents through the digestive system.
Small Bowel Distention
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Causes

Ileus is caused by damage to the nerves controlling the intestines from surgery, infection, low blood flow, trauma, medications, or changes in the body chemistry.

Risk Factors

Factors that increase your chance of ileus include:
  • Abdominal, joint, or spine surgery
  • Intestinal injury or trauma
  • Severe generalized trauma
  • Abdominal bleeding.
  • Infections, such as:
  • Heart attack or stroke
  • Imbalance of electrolytes, especially potassium and calcium
  • Disorders that affect muscle function
  • Use of certain drugs, such as narcotic pain drugs, high blood pressure medication, or chemotherapy
  • A previous history of ileus

Symptoms

Symptoms of ileus may include:
  • Abdominal swelling
  • Pain
  • Vomiting
  • Cramps
  • Hiccups
  • Inability to pass stool or gas

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