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Observational Study
. 2022 Sep;36(9):6439-6445.
doi: 10.1007/s00464-021-08992-z. Epub 2022 Jan 31.

An innovative endoscopic management strategy for postoperative fistula after laparoscopic sleeve gastrectomy

Haiming Fang #  1   2 , Tingting Yao #  1   2 , Yating Chen #  1   2 , Yan Lu  1   2 , Kangwei Xiong  1   2 , Yuan Su  1   2 , Yujue Zhang  1   2 , Yong Wang  3 , Lijiu Zhang  4   5
Affiliations
Observational Study

An innovative endoscopic management strategy for postoperative fistula after laparoscopic sleeve gastrectomy

Haiming Fang et al. Surg Endosc. 2022 Sep.

Abstract

Background: Postoperative fistula is a life-threatening complication that lacks a standard treatment strategy after laparoscopic sleeve gastrectomy (LSG). This observational study is the first to report the efficacy and safety of endoscopic full-thickness resection (EFTR) combined with purse-string sutures in treating this complication.

Patients and methods: The old fistula was resected by EFTR, cut radially, and then sutured with a purse-string. The primary endpoint was complete fistula closure within two months. Endoscopic procedure-related complications were also recorded.

Results: Eight of 788 LSG patients developed fistulas with an incidence of 1.01%, primarily under the gastroesophageal junction, and the average distance from the center of the fistula to the cardia was 30 ± 6.3 mm. Two patients were cured by conservative treatment, and six received endoscopic sutures. The time from LSG to fistula diagnosis was 12.3 ± 14.4 days. The time from fistula diagnosis to endoscopic repair was 43.8 ± 55.8 days and 21.4 ± 10.0 days after eliminating the data of first case. The average fistula size was 12 ± 10 mm, the average endoscopic procedure duration was 40 ± 16 min, and the average number of endoscopic procedures required was 1.6 ± 0.8. Five patients achieved the primary endpoint, and one patient refused a third endoscopic suture after two sutures. The endoscopy success rate was 83.3%. No endoscopic procedure-related complications occurred.

Conclusions: EFTR combined with purse-string sutures is an innovative, safe, and effective endoscopic strategy for postoperative fistula after LSG, avoiding reoperation and allowing early oral feeding.

Keywords: Bariatric surgery; Endoscopic full-thickness resection; Fistula; Laparoscopic sleeve gastrectomy; Obesity; Obesity surgery; Purse-string suture.

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