结论：门静脉高压症大鼠存在高动力循环状态(HCS)。

CONCLUSION: The portal hypertensive rats are in hyperdynamic circulatory state (HCS).

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而高动力循环状态是门静脉高压的重要维持因素，其形成与一氧化氮(NO)的作用密不可分。

The maintenance of portal hypertension in hyperkinetic circulatory state is closely related to nitric oxide (NO) formation.

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目的研究门静脉高压症病人肝组织内血管及肝窦壁内皮细胞的凋亡及其对肝微循环的影响。

Objective To investigate the intrahepatic vascular and hepatic sinusoidal endothelial cell (SEC) apoptosis and its influence on hepatic microcirculation in patients with portal hypertension.

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