EUS-guided gastroenteric anastomosis as a bridge to definitive treatment in benign gastric outlet obstruction

Published:November 20, 2019DOI:https://doi.org/10.1016/j.gie.2019.11.017

      Background and Aims

      Benign gastric outlet obstruction (GOO) has typically been managed surgically. However, many patients are poor operative candidates because of comorbidities. EUS-guided gastroenterostomy (EUS-GE) using lumen-apposing metal stents (LAMSs) has previously demonstrated efficacy as a definitive treatment for benign and malignant GOO; however, limited data exist on use as a bridge to resolution of the obstruction in an attempt to avoid or delay definitive surgery.

      Methods

      A retrospective series of consecutive patients who underwent EUS-GE between January 2013 and July 2019 for benign GOO at a tertiary referral center were included in the study. The primary outcome was the rate of definitive surgery; secondary outcomes included technical success and rate of adverse events.

      Results

      During the study period, 22 patients with benign GOO underwent EUS-GE (40% female; mean age, 54.2 years). The mean procedure time was 66 minutes, and technical success was achieved in 21. Five patients developed recurrent GOO while the LAMS was in place after a mean dwell time of 228 days; 1 patient was converted to surgical GE. LAMSs were removed electively in 18 patients after GOO resolution and a mean dwell time of 270 days; 1 patient developed a recurrent GOO after LAMS removal and was converted to surgical GE. The rate of recurrent GOO after LAMS removal was 5.6%. Three severe adverse events occurred in the cohort.

      Conclusions

      EUS-GE was able to prevent surgery for GOO in 83.3% of cases. LAMSs needed to stay in place for a mean of 8.5 months to allow resolution of GOO, and there was a low rate of recurrent GOO (5.6%) after LAMS removal. Prospective, randomized trials comparing surgical and endoscopic anastomoses are needed in patients with benign causes of GOO.

      Graphical abstract

      Abbreviations:

      AE (adverse event), GE (gastroenterostomy), GOO (gastric outlet obstruction), LAMS (lumen-apposing metal stent), SD (standard deviation)
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