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Role of the posterior mucosal defense barrier in portal hypertensive gastropathy

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BIOMEDICINE & PHARMACOTHERAPY
卷 144, 期 -, 页码 -

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ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2021.112258

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Portal hypertensive gastropathy; Posterior mucosal defense barrier; Microvascular endothelial cells; Ischemia-reperfusion injury; Endothelial cell dysfunction; Endothelial cell molecules

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Portal hypertensive gastropathy is a complication of cirrhotic or noncirrhotic portal hypertension, causing acute or massive blood loss. Current treatments have poor efficacy and prognosis, with no specific drug treatment plans available.
Portal hypertensive gastropathy (PHG) is a complication of cirrhotic or noncirrhotic portal hypertension. PHG is very important in the clinic because it can cause acute or even massive blood loss, and its treatment efficacy and prognosis are poor. Currently, the incidence of PHG in patients with cirrhosis is 20-80%, but its pathogenesis is complicated and poorly understood. Studies have shown that portal hypertension can cause changes in gastric mucosal microcirculation hemodynamics, leading to changes in gastric mucosal histology and function and thereby weakening the mucosal defense barrier. However, no specific drug treatment plans are currently available. This article reviews the current literature to further our understanding of the mechanism underlying PHG and the relationship between PHG and the posterior mucosal defense barrier and to explore new therapeutic targets.

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