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Optimal timing of endoscopic retrograde cholangiopancreatography for acute cholangitis associated with distal malignant biliary obstruction

Authors
  • Park, Namyoung1
  • Lee, Sang Hyub1
  • You, Min Su1
  • Kim, Joo Seong1
  • Huh, Gunn1
  • Chun, Jung Won1
  • Cho, In Rae1
  • Paik, Woo Hyun1
  • Ryu, Ji Kon1
  • Kim, Yong-Tae1
  • 1 Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea , Seoul (South Korea)
Type
Published Article
Journal
BMC Gastroenterology
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Apr 17, 2021
Volume
21
Issue
1
Identifiers
DOI: 10.1186/s12876-021-01755-z
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundThere is a lack of studies regarding the optimal timing for endoscopic retrograde cholangiopancreatography (ERCP) in patients with cholangitis caused by distal malignant biliary obstruction (MBO). This study aims to investigate the optimal timing of ERCP in patients with acute cholangitis associated with distal MBO with a naïve papilla.MethodsA total of 421 patients with acute cholangitis, associated with distal MBO, were enrolled for this study. An urgent ERCP was defined as being an ERCP performed within 24 h following emergency room (ER) arrival, and early ERCP was defined as an ERCP performed between 24 and 48 h following ER arrival. We evaluated both 30-day and 180-day mortality as primary outcomes, according to the timing of the ERCP.ResultsThe urgent ERCP group showed the lowest 30-day mortality rate (2.2%), as compared to the early and delayed ERCP groups (4.3% and 13.5%) (P < 0.001). The 180-day mortality rate was lowest in the urgent ERCP group, followed by early ERCP and delayed ERCP groups (39.4%, 44.8%, 60.8%; P = 0.006). A subgroup analysis showed that in both the primary distal MBO group, as well as in the moderate-to-severe cholangitis group, the urgent ERCP had significantly improved in both 30-day and 180-day mortality rates. However, in the secondary MBO and mild cholangitis groups, the difference in mortality rate between urgent, early, and delayed ERCP groups was not significant.ConclusionsIn patients with acute cholangitis associated with distal MBO, urgent ERCP might be helpful in improving the prognosis, especially in patients with primary distal MBO or moderate-to-severe cholangitis.

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