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Ileus and Small Bowel Obstruction in an Emergency Department Observation Unit: Are there Outcome Predictors?

  • Author(s): Dorsey, Steven T.
  • Harrington, Eric T.
  • Peacock, W. F.
  • Emerman, Charles L.
  • et al.
Abstract

Introduction: The purpose of our study was to describe the evaluation and outcome of patients with ileus and bowel obstruction admitted to an emergency department (ED) observation unit (OU) and to identify predictors of successful management for such patients.

Methods: We performed a retrospective chart review of 129 patients admitted to a university-affiliated, urban, tertiary hospital ED OU from January 1999 through November 2004. Inclusion criteria were all adult patients admitted to the OU with an ED diagnosis of ileus, partial small bowel obstruction, or small

bowel obstruction, and electronic medical records available for review. The following variables were examined: ED diagnosis, history of similar admission, number of prior abdominal surgeries, surgery in

the month before, administration of opioid analgesia at any time after presentation, radiographs demonstrating air–fluid levels or dilated loops of small bowel, hypokalemia, use of nasogastric decompression, and surgical consultation.

Results: Treatment failure, defined as hospital admission from the OU, occurred in 65 (50.4%) of 129 patients. Only the use of a nasogastric tube was associated with OU failure (21% discharged versus 79% requiring admission, P ¼ 0.0004; odds ratio, 5.294; confidence interval, 1.982–14.14).

Conclusion: Half of the patients admitted to our ED OU with ileus or varying degrees of small bowel obstruction required hospital admission. The requirement of a nasogastric tube in such patients was associated with a greater rate of observation unit failure. [West J Emerg Med. 2011;12(4):404–407.]

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