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24.09.2019 | 2019 SAGES Oral Dynamic

Short-term outcomes of endoscopic gastro-jejunal revisions for treatment of dumping syndrome after Roux-En-Y gastric bypass

Surgical Endoscopy
Catherine Tsai, Rudolf Steffen, Ulf Kessler, Hans Merki, Joerg Zehetner
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s00464-019-07137-7) contains supplementary material, which is available to authorized users.
Presented as an Oral Podium Presentation at the SAGES congress on April 4, 2019 in Baltimore Maryland.

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Dumping syndrome is a known long-term complication of Roux-en-Y gastric bypass (RYGB). Most cases can be avoided with dietary and lifestyle changes. Severe dumping is characterized by multiple daily episodes with significant impact on quality-of-life. As dumping correlates with rapid pouch emptying through a dilated gastro-jejunal anastomosis (GJA), the aim was to assess endoscopic gastro-jejunal revisions (EGR) regarding feasibility, safety, and outcome.


From January 2016 to August 2018, we reviewed the electronic records of all patients with dumping syndrome undergoing EGR with the Apollo OverStitch suturing device (Apollo Endosurgery, Austin, Texas, USA). Demographics, procedure details, and outcome variables were recorded. Sigstad questionnaire was administered before and after surgery to assess symptomatic response.


There were 40 patients (M:F = 13:27) treated with EGR for dumping. Mean procedure time was 18.5 min (12–41) with a median number of 1 suture (range 1–3) used. Mean anastomotic diameter was 22.6 mm (R 18–35) at the beginning and 6.2 mm (R 4–13) at the end of the procedure, with 100% technical success in narrowing the GJA. There were no intra-operative or 30-day complications. Repeat EGR was required in 9 patients (22.5%) for persistent/recurrent dumping. Two patients (5%) required a laparoscopic pouch revision. For patients with minimum 1-month follow-up who were treated only endoscopically, 33/37 (89.2%) had improved or resolved symptoms during the follow-up period. Mean follow-up time was 12.5 months (R1-33.8). Survey responses were available for 25/34 (73.5%) patients. Mean Sigstad score decreased from 13.9 (R 0–28) pre-operatively to 8.6 (R 0–28) after EGR.


EGR of the dilated GJA is a highly effective treatment option for dumping syndrome after RYGB. Due to its endoluminal approach, it is a feasible and safe procedure, and effective for immediate symptom resolution in most patients. In some patients, repeat narrowing of the anastomosis is necessary for the maintenance of symptom resolution.

Graphic Abstract

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