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Foreign material erosion after laparoscopic Roux-en-Y gastric bypass: findings and treatment

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Abstract

Background

Patients after laparoscopic Roux-en-Y gastric bypass (LRYGB) can have nonspecific, upper gastrointestinal (UGI) complaints. During postoperative endoscopy, we have noted the erosion of nondissolvable material, such as Peri-Strips® or silk sutures, into the gastric pouch. This study reports the incidence and presentation of foreign material erosion into the gastric pouch after a LRYGB and the outcome after therapeutic endoscopy.

Methods

From a prospective LRYGB database, postoperative endoscopies from February 2002 to June 2005 that found foreign material in the gastric pouch were reviewed. Presenting symptoms, time until endoscopy, and patient outcomes were evaluated. A therapeutic endoscopy was performed by using endo-shears and biopsy forceps to remove the foreign material.

Results

A total of 23 patients underwent 29 therapeutic endoscopies. From February 2002 to November 2004, 208 LRYGB were performed using silk suture for the outer layer of the gastrojejunostomy, and 21 patients (10%) had silk suture found on endoscopy. Peri-Strips were used from February 2002 to December 2003 (n = 153) and 6 patients (4%) had erosions. Since converting to Vicryl suture and Seamguard®, we have had 173 and 228 patients, respectively, without pouch erosion. The most common presenting symptom was abdominal pain (n = 15, 65%). Other symptoms included nausea (n = 13, 57%), vomiting (n = 12, 52%), dysphagia (n = 5, 22%), and melena (n = 3, 13%). Foreign material was found by a mean of 34 weeks. Of 29 therapeutic endoscopies, 20 resulted in resolution of symptoms (69%), 4 led to improvements (14%), and 5 had no effect (17%). There were no endoscopic complications and no anastomotic leaks.

Conclusions

Nonabsorbable material used during a LRYGB can migrate into the gastric pouch and cause UGI complaints. A therapeutic endoscopy will resolve most UGI symptoms. Using absorbable material in the creation of the gastric pouch and the gastrojejunostomy will avoid foreign material erosion.

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Authors and Affiliations

  1. Department of Surgery, University of Texas Medical School at Houston, 6431 Fannin, Houston, Texas, 77030, USA

    S. Yu, K. Jastrow, B. Clapp, L. Kao, C. Klein, T. Scarborough & E. Wilson

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  1. S. Yu
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  2. K. Jastrow
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  3. B. Clapp
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  4. L. Kao
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  5. C. Klein
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  6. T. Scarborough
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  7. E. Wilson
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Correspondence to S. Yu.

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Yu, S., Jastrow, K., Clapp, B. et al. Foreign material erosion after laparoscopic Roux-en-Y gastric bypass: findings and treatment. Surg Endosc 21, 1216–1220 (2007). https://doi.org/10.1007/s00464-007-9328-3

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  • DOI: https://doi.org/10.1007/s00464-007-9328-3

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