Outcomes of endoscopic treatment for malignant biliary obstruction in patients with surgically altered anatomy: analysis of risk factors for clinical failure

A Correction to this article was published on 06 February 2020

This article has been updated



To evaluate the outcomes of endoscopic retrograde cholangiopancreatography (ERCP) for malignant biliary obstruction (MBO) using short-type double-balloon enteroscope (sDBE) in patients with surgically altered anatomy.


A total of 45 patients with surgically altered anatomy underwent ERCP using sDBE for the treatment of MBO between April 2011 and March 2019. We retrospectively evaluated the clinical and technical success (insertion and biliary intervention success), adverse events, and risk factors for clinical failure.


The scope was successfully inserted in the target site in 82.2% of patients (37/45), and among them, biliary intervention success was achieved in 86.4% (32/37). The overall technical success rate was 71.1% (32/45) and clinical success rate was 68.9% (31/45), with an adverse event rate of 11.1%. In multivariate analysis, the presence of peritoneal dissemination (odds ratio, 7.3; 95% confidence interval, 1.5–43.5, p = 0.02) was as an independent risk factor for clinical failure. The clinical success rate was 38.5% in patients with peritoneal dissemination and 81.3% in those without peritoneal dissemination.


Endoscopic treatment using sDBE in patients without peritoneal dissemination provided favorable outcomes, and it can be an initial treatment for MBO in patients with surgically altered anatomy.

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Change history

  • 06 February 2020

    There are several places where the P-value and Odds ratio in Table 3 are incorrect: these are shown in the corrected Table 3 below.


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Correspondence to Takeshi Tomoda.

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Takeshi Tomoda, Hironari Kato, Kazuya Miyamoto, Akihiro Matsumi, Eijiro Ueta, Yuuki Fujii, Yousuke Saragai, Tatsuhiro Yamazaki, Daisuke Uchida, Kazuyuki Matsumoto, Shigeru Horiguchi, Koichiro Tsutsumi, and Hiroyuki Okada have no conflicts of interest or financial ties to disclose.

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Tomoda, T., Kato, H., Miyamoto, K. et al. Outcomes of endoscopic treatment for malignant biliary obstruction in patients with surgically altered anatomy: analysis of risk factors for clinical failure. Surg Endosc 35, 232–238 (2021). https://doi.org/10.1007/s00464-020-07385-y

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  • Malignant biliary obstruction
  • Double-balloon enteroscope
  • Endoscopic retrograde cholangiopancreatography
  • Surgically altered anatomy