Esophageal Varices and Bleeding 食道靜脈曲張及出血(英文 ... | 合法醫療器材資訊網
Livercirrhosiscancauseportalhypertension,unusuallyelevatedinportal-venouspressure,mayresultinseveralcomplications.Esophagealvaricealbleeding ...
Introduction
Liver cirrhosis can cause portal hypertension, unusually elevated in portal-venous pressure, may result in several complications. Esophageal variceal bleeding is one of the severe complications.
Definition and Pathogenesis
Liver cirrhosis is the most common cause of esophageal variceal bleeding. Normal portal pressure is approximately 5-10mmHg. When portal pressure is more than 12mmHg, it can result in collateral circulation, esophageal varices, and hyperactivity of systemic circulation. It commonly results from increased resistance to portal blood flow.
Clinical features and Diagnosis
Cirrhotic patients with esophageal varices do not always have rupture or hemorrhagic varices. Once there is bleeding, it usually presents with hematemesis, melena, tarry stool or even bloody stool. Additionally, there could be a...
Esophageal Varices and Bleeding 食道靜脈曲張及出血(英文 ... | 合法醫療器材資訊網
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