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Association between juxtapapillary diverticulum and acute cholangitis determined using laboratory data

Authors Tomizawa M, Shinozaki F, Motoyoshi Y, Sugiyama T, Yamamoto S, Sueishi M

Received 22 July 2014

Accepted for publication 8 October 2014

Published 20 November 2014 Volume 2014:7 Pages 447—451

DOI https://doi.org/10.2147/CEG.S71539

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Professor Andreas M Kaiser


Minoru Tomizawa,1 Fuminobu Shinozaki,2 Yasufumi Motoyoshi,3 Takao Sugiyama,4 Shigenori Yamamoto,5 Makoto Sueishi4

1Department of Gastroenterology, 2Department of Radiology, 3Department of Neurology, 4Department of Rheumatology, 5Department of Pediatrics, Shimoshizu Hospital, National Hospital Organization, Yotsukaido, Japan

Abstract: The aim of this study was to evaluate the association between juxtapapillary diverticulum (JD) and acute cholangitis (AC), and to analyze laboratory data to reveal the underlying mechanism. We conducted a retrospective review of 139 patients who underwent endoscopic retrograde cholangiopancreatography (ERCP) between April 2008 and March 2013 for diagnosis or treatment of biliary tract conditions. The Wilcoxon signed-rank test was used for comparison of variables between patients with or without JD. The χ2 test was used to analyze the association between JD and AC duct dilatation. Logistic regression analysis was performed to identify variables with strong correlation with AC. ERCP was attempted in 139 patients, but in one patient the endoscope did not reach the papilla of Vater because of a partial gastrectomy, and in two patients evaluation for JD was not possible because of duodenal or papilla of Vater cancer. Therefore, 136 patients were included in this study. JD was significantly associated with AC (P<0.0001) and bile-duct dilatation (P=0.0107), and AC was strongly associated with bile duct dilatation (P=0.0013). Alkaline phosphatase levels were significantly elevated in patients with JD (P=0.0237). In AC patients without JD, χ2 for C-reactive protein was 4.48 (P=0.0342), whereas in AC patients with JD, χ2 values for the white blood cell count, alkaline phosphatase, and aspartate aminotransferase were 2.62, 3.1, and 3.61, respectively (P=0.025, 0.015, and 0.0336, respectively). JD was strongly associated with AC. Logistic regression analysis suggested that bile flow was disturbed with JD.

Keywords: logistic regression analysis, bile-duct dilatation, alkaline phosphatase, bile flow, papilla of Vater, Wilcoxon singed-rank test, χ2 test

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