Nitroglycerin reduced arterial, pulmonary and left ventricular filling pressure, and increased cardiac index.

硝酸甘油使主动脉、肺动脉和左心室充盈压明显下降，心脏指数增加。

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With prazosin, the average cardiac index increased (by) 20 percent and systemic vascular resistance decreased (by) 20 percent.

使用哌唑嗪，平均心脏指数增加20％，全身血管阻力下降20％。

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With prazosin, the average cardiac index increased 20 percent and systemic vascular resistance decreased 20 percent.

使用哌唑嗪，平均心脏指数增加20%，全身血管阻力下降20%。

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Cardiac Index was increased in treatment groups than that in controls(P<0.05);

心搏指数与对照组比较有所增加（P<0.05）；

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Cardiac Index was increased in treatment groups than that in controls(P<0.05);

心搏指数与对照组比较有所增加（P<0.05）；

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