一种鼻持续气道正压通气系统。描述及与面罩持续气道正压通气的比较。

A nasal CPAP system. Description and comparison with facemask CPAP.

作者信息

Thomas A N, Ryan J P, Doran B, Pollard B J

机构信息

Department of Anaesthesia, Manchester Royal Infirmary.

出版信息

Anaesthesia. 1992 Apr;47(4):311-5. doi: 10.1111/j.1365-2044.1992.tb02171.x.

DOI:10.1111/j.1365-2044.1992.tb02171.x

PMID:1519682

Abstract

Nasopharyngeal pressures were compared in eight subjects breathing through either a nasal CPAP system or facemask CPAP system at a fresh gas flow of 50, 75 and 100 l.min-1. During nose breathing there was no significant difference in nasopharyngeal pressure between the two systems. During mouth breathing pressures were significantly lower with nasal CPAP. During nose breathing at 75 l.min-1 the mean inspiratory and expiratory pressures in cmH2O (SD) were 3.4 (0.68) and 5.9 (0.55) for nasal CPAP and 3.3 (0.71) and 6.3 (0.73) for facemask CPAP. The respective pressures during mouth breathing were 0.3 (0.73) and 2.9 (1.74) for nasal CPAP and 3.9 (0.73) and 5.8 (0.82) for facemask CPAP.

摘要

在8名受试者中，比较了他们在新鲜气体流量为50、75和100升/分钟时，通过鼻持续气道正压通气（CPAP）系统或面罩CPAP系统呼吸时的鼻咽压力。在经鼻呼吸时，两种系统之间的鼻咽压力没有显著差异。在经口呼吸时，鼻CPAP的压力显著更低。在75升/分钟的经鼻呼吸时，鼻CPAP的平均吸气和呼气压力（厘米水柱，标准差）分别为3.4（0.68）和5.9（0.55），面罩CPAP的分别为3.3（0.71）和6.3（0.73）。经口呼吸时，鼻CPAP的相应压力分别为0.3（0.73）和2.9（1.74），面罩CPAP的分别为3.9（0.73）和5.8（0.82）。