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The effects of noninvasive bi-level positive airway pressure ventilation on normal human hemodynamics
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- Author:
- No author available
- Journal Title:
- JOURNAL OF EMERGENCY MEDICINE
- Issue:
- 2
- DOI:
- 10.3760/j.issn:1671-0282.1999.02.002
- Key Word:
- 无创正压通气;血流动力学;心脏指数
Abstract： 目的:为了解无创双相正压通气(BiPAP)对正常人血流动力学的影响.方法:对22例正常自愿者进行研究,测定正常人在不同压力水平(10/4 cmH2O、20/10cmH2O)的通气状态时及通过鼻罩或口鼻面罩通气时的心率、血压、心脏指数.结果:1)虽然在某种通气方式时心率、血压的变化有统计差异,这种差异通过普通的临床监护设备并不能引起临床医师的注意;2)正压通气使实验者的心脏指数下降,而且其下降程度与正压通气的压力正相关,心脏指数的下降主要由于心脏每搏指数的下降所致,心率的变化不是主要原因.结论:临床工作中应综合评价BiPAP对患者的呼吸、循环功能的影响.
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