Objective To investigate the changes of hepatic portal vein blood flow (PBF) and oxygen metabolism during normothermic or hypothermic cardiopulmonary bypass (CPB).

目的研究常温和低温心肺转流(CPB)期间门静脉血流量(PBF)和氧代谢的变化。

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Hemodynamics of hepatic artery, portal vein and hepatic vein takes place complicated changes under various kinds of pathologic status because of hepatic distinct double blood supply.

肝脏因其独特的双重血供，在各种病理情况下，肝动脉、门脉及肝静脉系统之间的血流动力学发生复杂的变化。

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Objective: to study the relationship between hepatic encephalopathy and blood flow direction of intra hepatic portal vein after transjugular intrahepatic portosystemic stent shunt (TIPSS).

目的研究经颈静脉途径肝内门体静脉内支架分流术TIPS S术后肝性脑病的发生与门静脉血流方向的关系。

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