Abstract
Background
Endoscopic access to the targeted site is a major challenge for the endoscopic retrograde cholangiopancreatography (ERCP) in patients undergoing Roux-en-Y (R-Y) reconstruction after total or subtotal gastrectomy. We aimed to evaluate the feasibility, reproducibility, and safety of mechanistic loop resolution strategies using a short-type single-balloon enteroscopy (short SBE) system.
Methods
Between February 2020 and March 2022, consecutive patients with a previous R-Y gastrectomy requiring ERCP were prospectively enrolled. Different mechanistic loop resolution strategies for two-dimensional loops, three-dimensionally rotated loops, and loops making a cane or S-shape were applied during the SBE approach.
Results
Forty-three short SBE-ERCP procedures were performed on 37 patients, with an approach success rate of 100.0% (43/43). The mean time to reach the jejunojejunal anastomosis and target site were 8.0 (6.0–11.0) minutes and 26.0 (16.0–36.0) minutes, respectively. The major challenges for the approach were the cane or S-shaped loop in the jejunojejunal anastomosis or Treitz ligament. The retroflex positioning of a SBE in front of the papilla was achieved in 86.0% (37/43), and the cannulation success rate in patients with an intact papilla was 90.9% (30/33). The initial, overall therapeutic successes, median total procedure time, and adverse event rate were 87.8%, 92.7%, 77.0 (IQR 56–100.5) minutes, and 11.6%, respectively.
Conclusions
Short SBE-ERCP using standardized mechanistic loop resolution strategies is effective and reproducible in patients with R-Y reconstruction after gastrectomy.
Trial registration
ClinicalTrial.gov (NCT04847167).
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Change history
28 August 2023
A Correction to this paper has been published: https://doi.org/10.1007/s00464-023-10410-5
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Acknowledgements
This study was conducted as part of the BE-ERCP research projects of the New Medical Technology Study Group of the Korean Pancreatobiliary Association. We thank Woohyun Cho, MFA (Medical Information & Media Center, Ajou University School of Medicine), for medical illustrations for this article.
Funding
This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (NRF-2021R1C1C1008619), a grant of the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (Grant Number: HR21C1003), and the Ministry of Science and ICT (MSIT), Korea, under the Information Technology Research Center (ITRC) support program (IITP-2022-2020-0-01461) supervised by the Institute for Information & Communications Technology Planning & Evaluation (IITP).
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MJY and JHK conceived and designed the study. MJY, JCH, and BMY analyzed and interpreted the data. MJY drafted the article. MJY, JHK, SWP, CIK, and SJ critically revised the article for important intellectual content. All authors approved the final version.
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Min Jae Yang, ** Hong Kim, Jae Chul Hwang, Byung Moo Yoo, Se Woo Park, Chang-Il Kwon, and Seok Jeong have no conflicts of interest or financial ties to disclose.
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Yang, M.J., Kim, J.H., Hwang, J.C. et al. Mechanistic loop resolution strategy for short-type single-balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography in patients with Roux-en-Y reconstruction after gastrectomy (with video). Surg Endosc 36, 8690–8696 (2022). https://doi.org/10.1007/s00464-022-09575-2
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DOI: https://doi.org/10.1007/s00464-022-09575-2