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实验组和对照组家兔各7只。从颈总动脉插管至左心室及股动脉插管。实验组在冠脉左室支结扎5min时静脉注射NAL,注射后30min Vmax从5.0±0.23升至6.8±0.53cm/s;dp/dtmax从455±37升至604±50kPa/s;
There were 7 rabbits in the experimental and control groups. The common carotid artery was cannulated to the left ventricle and femoral artery. In the experimental group, NAL was injected intravenously 5 minutes after the left ventricular branch was ligated. The Vmax increased from 5.0±0.23 to 6.8±0.53 cm/s 30 minutes after the injection, and the dp/dtmax increased from 455±37 to 604±50 kPa/s.