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DOI: 10.1055/a-2218-3193
A novel dedicated nonslip short-length balloon catheter for treating hepaticojejunostomy anastomotic stricture in balloon enteroscopy-assisted ERCP

Hepaticojejunostomy anastomotic strictures (HJASs) often occur as an adverse event after biliary reconstructive surgery [1]. Balloon stricture dilation via balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography (BE-ERCP) is a standard treatment for HJAS [2]; however, there is no dedicated balloon catheter for HJAS treatment. Conventional papillary/bile duct dilation balloons are generally used, but they are often too long for HJASs. Long balloons can unnecessarily expand the normal intrahepatic bile duct and require there to be sufficient distance between the anastomotic site and the tip of the scope, which can be challenging to achieve. In contrast, short balloons tend to slip during inflation, especially during BE-ERCP because of the absence of a forceps elevator.
To address these problems, a novel, dedicated balloon catheter (RIGEL Balloon Dilatation Catheter; Japan Lifeline Co., Ltd., Tokyo, Japan) has been developed ([Fig. 1]), which has a very short balloon, measuring 15 mm, and an elastic band attached in the middle. The central part expands with a delay, preventing slippage.


An 88-year-old woman who had undergone pancreaticoduodenectomy developed cholangitis. A short-type single-balloon enteroscope was inserted, and the HJAS was detected. After inserting a guidewire through the stricture, we inserted the 8-mm diameter novel balloon catheter over the guidewire. The central part of the novel balloon expanded with an appropriate delay during inflation, achieving full expansion without slippage, while maintaining a position close to the anastomosis ([Fig. 2]; [Video 1]). The stricture was finally well recanalized, and no adverse events occurred.


This novel balloon catheter offers a new device option for BE-ERCP. Its unique short length and antislip features make it suitable for the treatment of HJASs.
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Publication History
Article published online:
21 December 2023
© 2023. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/).
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References
- 1 Dimou FM, Adhikari D, Mehta HB. et al. Incidence of hepaticojejunostomy stricture after hepaticojejunostomy. Surgery 2016; 160: 691-698
- 2 Sato T, Kogure H, Nakai Y. et al. Double-balloon endoscopy-assisted treatment of hepaticojejunostomy anastomotic strictures and predictive factors for treatment success. Surg Endosc 2020; 34: 1612-1620