目的：探讨低中心静脉压对减少肝癌(HCC)切除手术出血的影响。

Objective: to assess whether blood loss will be decreased during hepatectomy for hepatocellular carcinoma (HCC) by decreasing central venous pressure (CVP).

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目的：观察低中心静脉压(LCVP)对肝叶切除手术失血量和肝肾功能的影响。

Objective: to investigate the effects of low central venous pressure (LCVP) on blood loss and hepatorenal function during hepatic resection.

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目的研究低中心静脉压技术是否能降低肝叶切除术中的出血量，并评价这一技术对肾功能的影响。

Objective To investigate the effects of low central venous pressure (LVCP) on blood loss in liver resection and evaluate its influence on renal function.

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