Duodenal erosions and ulcers in patients with pancreatobiliary obstruction

Document Type

Article

Department

Gastroenterology

Abstract

In order to determine whether obstructive pancreatobiliary lesions increase the risk of duodenal erosions and ulcers, the duodenal mucosa of patients with these lesions were prospectively examined before endoscopic retrograde cholangiopancreatography (ERCP). During the study period, 133 patients underwent ERCP for various reasons in the Department of Medicine, The Aga Khan University Hospital. One hundred and twenty-three patients were eligible for final analysis. Sixty-five patients with bilirubin > or = 35 mumol/L and alkaline phosphatase > or = 2.5 times normal levels along with radiological evidence of pancreatobiliary obstruction were included in the obstruction group. Fifty-eight patients who did not fulfil these criteria were used in the control group. Acid peptic lesions, which included erosions and ulcers, were seen in 16 patients of the obstruction group and four patients of the control group (P = 0.016, odds ratio (OR) = 4.41). Patients with carcinoma of the pancreas had a greater number of lesions than the rest of the obstruction group (P = 0.001, OR = 8.75). Individual variables like age, sex, serum bilirubin, alanine aminotransferase, alkaline phosphatase, amylase levels, and duration of jaundice did not increase the vulnerability to acid peptic injury. The degree of obstruction multiplied by duration of jaundice (alkaline phosphatase x days) increased the susceptibility for duodenal disease (P = 0.047). From this data it was concluded that patients with obstructive pancreatobiliary lesions are more prone to acid peptic duodenal lesions.

Publication (Name of Journal)

Journal of Gastroenterology and Hepatology

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