Original article Clinical endoscopy| Volume 82, ISSUE 2, P319-324, August 2015

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Success of single-balloon enteroscopy in patients with surgically altered anatomy

Published:April 01, 2015DOI:


      Single-balloon enteroscopy (SBE) was introduced in 2007 to diagnose and treat small-bowel disorders. No study to date has evaluated SBE in patients with surgically altered anatomy outside of ERCP.


      To evaluate the efficacy, yield, and safety of SBE in patients with surgically altered anatomy.


      Retrospective study.


      Tertiary-care academic medical center.


      All patients with altered surgical anatomy who underwent SBE at the Medical University of South Carolina from July 2007 to September 2013.



      Main Outcome Measurements

      Diagnostic yield, therapeutic yield, technical success, and adverse events.


      A total of 48 patients met inclusion criteria. Mean age was 56 years (77% female). Eleven patients underwent single-balloon PEG placement, 8 single-balloon ERCP, 22 non-PEG/non-ERCP anterograde SBE, and 7 retrograde SBE. Previous surgeries included Roux-en-Y gastric bypass (n = 26), small-intestine resection (n = 6), colon resection (n = 5), Whipple procedure (n = 4), choledochojejunostomy (n = 3), hepaticojejunostomy (n = 1), Billroth I (n = 1), Billroth II (n = 1), and Puestow procedure (n = 1). Procedural indications were PEG tube placement (n = 11), choledocholithiasis (n = 2), biliary stricture (n = 2), obstructive jaundice (n = 1), cholangitis (n = 1), ampullary mass (n = 1), sphincter of Oddi dysfunction (n = 1), anemia and/or bleeding (n = 15), abdominal pain (n = 9), radiologic evidence of obstruction (n = 3), and Peutz-Jeghers syndrome (n = 2). The technical success rate was 73% in single-balloon PEG placement, 88% in single-balloon ERCP, 82% in other anterograde SBEs, and 86% in retrograde SBEs. No intraprocedural or postprocedural adverse events were observed.


      Single center, retrospective study.


      SBE is safe and effective in patients with surgically altered anatomy.


      ASA (American Society of Anesthesiologists Physical Status Classification System), ASBE (anterograde single-balloon enteroscopy), DBE (double-balloon enteroscopy), RSBE (retrograde SBE), SBE (single-balloon enteroscopy)
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