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重建心阻抗图测定正常人总外周阻力的探讨

Acta Academiae Medicinae Jiangxi(2009)

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Abstract
目的探讨重建心阻抗图测定正常人总外周阻力(TPR)和总外周阻力指数(TPRI)的正常值。方法先用重建心阻抗图测定180例体检正常成人的心排血量,进而计算TPR和TPRI,分性别、年龄组进行统计学处理。结果TPR和TPRI都随年龄的增大而增大;同一年龄组内女性的TPR高于男性(P<0.05),但对于TPRI,男女之间基本一致(P>0.05);TPR的正常值<1650dyn.s/cm5,TPRI的正常值<2650(dyn.s/cm5).m2。结论重建心阻抗图测得的总外周阻力能够反映人体正常和异常的血流动力学变化。
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Key words
total peripheral resistance,reconstructed impedance cardiogram,normal value
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