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Oral urografin in postoperative small bowel obstruction
1Department of Emergency Medicine, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei 100, Taiwan.
World Journal of Surgery
|October 8, 1999
Summary
Urografin effectively differentiates complete from partial small bowel obstruction in postoperative patients. Early contrast medium passage into the colon indicates partial obstruction, enabling successful nonoperative management.
Area of Science:
- Gastroenterology
- Radiology
- Surgical Outcomes
Background:
- Postoperative small bowel obstruction (SBO) presents a diagnostic challenge.
- Differentiating complete from partial SBO is crucial for treatment decisions.
- Nonoperative management is preferred for partial SBO when feasible.
Purpose of the Study:
- To evaluate Urografin's utility in distinguishing complete from partial SBO.
- To assess the efficacy of nonoperative treatment for partial SBO identified by Urografin.
- To determine the diagnostic accuracy of Urografin in SBO.
Main Methods:
- 116 patients with postoperative SBO underwent Urografin studies.
- Urografin administered orally or via nasogastric tube, with serial abdominal radiographs.
- Assessment of contrast medium passage into the colon within 8 hours.
Main Results:
- 74% of patients with Urografin in the colon within 8 hours had partial SBO and were treated nonoperatively.
- 42% of patients without contrast in the colon had complete SBO, with 81% requiring surgery.
- Urografin demonstrated 90.2% sensitivity, 100% specificity, and 93.1% accuracy for predicting nonoperative treatment.
Conclusions:
- Urografin is a safe and reliable contrast agent for differentiating SBO types.
- Urografin presence in the colon within 8 hours reliably predicts successful nonoperative management of partial SBO.
- This method facilitates early dietary advancement and potentially shortens conservative treatment duration.