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Pyelo-hepatic fistula

Shiu-Dong Chung1, Kuo-Hsin Chen, Hsiao-Chun Chang

  • 1Department of Surgery, Division of Urology, Far Eastern Memorial Hospital, Ban Ciao, Taipei, Taiwan.

Urology
|July 25, 2008
PubMed

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Portal Hypertension01:22

Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...