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  • Title: Does lower esophageal sphincter incompetency contribute to esophageal bleeding?
    Author: Eckardt VF, Grace ND, Kantrowitz PA.
    Journal: Gastroenterology; 1976 Aug; 71(2):185-9. PubMed ID: 1084840.
    Abstract:
    The purpose of this study is to determine whether lower esophageal sphincter (LES) incompetency is a common occurrence in patients with liver cirrhosis and contributes to the development of variceal bleeding. Resting LES pressure (17.8 +/- 1.1 mm Hg) in 35 patients with cirrhosis was similar to that of our control population (17.3 +/- 2.0 mm Hg). No differences were found among patients with ascites, variceal hemorrhage, or with different degrees of hepatic decompensation. In both patients and control subjects the LES responded with a significant pressure increase to gastric alkalinization. Symptoms and radiological evidence of gastroesophageal reflux were extremely uncommon in patients with liver cirrhosis. Based on these data it is unlikely that acid-pepsin regurgitation is a significant factor in the development of variceal hemorrhage.
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