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Taxonomy and Imaging Spectrum of Small Bowel Obstruction After Roux-en-Y Gastric Bypass Surgery

¹ Department of Radiology, UT Health Science Center San Antonio, 7703 Floyd Curl Dr., San Antonio, TX 78229.
² Department of Radiology, Indiana University Medical Center, Indianapolis, IN.
³ Mallinckrodt Institute of Radiology, St. Louis, MO.
⁴ Department of Radiology, University of Alabama at Birmingham, Birmingham, AL.

OBJECTIVE. For most patients with morbid obesity, bariatric surgery is the only effective method to achieve sustainable weight loss. Small bowel obstruction (SBO) after bariatric surgery is a major complication that affects postoperative course and management. Knowledge of the types of and imaging findings for SBO is essential to prompt diagnosis.

CONCLUSION. We discuss different types of SBO and a taxonomic schemata of bowel obstruction (ABC classification) and present a review of imaging findings that facilitates optimal patient management.

Keywords: bariatric surgery • CT • hernias • management • postoperative complications • small bowel obstruction

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