Postoperative biliary strictures are estimated to occur in 2.6% of patients. When endoscopic treatment is difficult, they can be treated with endoscopic ultrasound-guided hepaticojejunostomy (EUS-HJS) using a forward-viewing linear endoscope [1] [2] [3] [4]. However, in many institutions, the forward-viewing scope is not readily available, making immediate intervention difficult. We have developed a safe and reliable method for inserting a side-viewing linear endoscope using the "echo-free space" technique [5].
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Kono et al. (2024) studied this question.
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