The heart rate, blood pressure and MPAP were not significantly Varied in both group(P<0.05).

治疗组能显著增加心排血量和心排指数（P<0.05），对照组心排血量和心排指数无显著变化。

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The heart rate, blood pressure and MPAP were not significantly Varied in both group(P<0.05).

治疗组能显著增加心排血量和心排指数（P<0.05），对照组心排血量和心排指数无显著变化。

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