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作者应用最大呼气流量-容积曲线(MEFV)和部分呼气流量-容积曲线(PEFV)对333名3～6岁健康幼儿和15例支气管肺炎病儿(以下简称病儿)的10项肺通气功能进行测定,建立了健康幼儿各项指标的多元回归方程。结果:病儿各指标的实测值明显低于从健康幼儿回归方程推算出的预计值,其中V_T、V_(maxFRC)、v_(maxFRC)/FVC最为明显。表明PEFV是检测幼儿肺通气功能的一种敏感而又简便的方法。
The authors used maximal expiratory flow volume-volume curve (MEFV) and partial expiratory volume-volume curve (PEFV) to ventilate 333 pulmonary infants aged 3 to 6 years and 15 children with bronchopneumonia (hereinafter referred to as sick children) Function determination, the establishment of a healthy multiple indicators of multiple regression equation. Results: The measured values of each index of sick children were significantly lower than those predicted from the regression equations of healthy children, of which V_T, V maxFRC and V maxFRC / FVC were the most obvious. That PEFV is a sensitive and easy way to detect pulmonary ventilation in young children.