Study on Application of Ventilation Efficiency Indices in Ventilation System Design

通风效率 性能 参数在通风设计中应用的探讨

Methods Twenty-six elderly patients were given lateral position ventilation to monitor and compare respiratory and circulatory indices before and after position change .

方法26例老年患者施行侧卧位 通气，监测体位改变前、后的呼吸循环 指标并进行比较。

Results 1 h 24 h and 48h after employing CPAP model mechanica ventilation SaO2 and PaO2 of blood gas of these burned patients increased significantly and the two indices showed a statistically significant difference compared with those pre-CPAP model mechanical ventilation ( P0.019 ) .

结果采用CPAP模式机械 通气后1小时、24小时及48小时患者血气分析中 SaO2和PaO2较 通气前明显升高，经统计学处理（P0.01），差异有高度显著性意义。