Wall M A, Olson D, Bonn B A, Creelman T, Buist A S
Am Rev Respir Dis. 1982 Feb;125(2):158-62. doi: 10.1164/arrd.1982.125.2.158.
Reference standards of lung function was determined in 176 healthy North American Indian children (94 girls, 82 boys) 7 to 18 yr of age. Spirometry, maximal expiratory flow volume curves, and peak expiratory flow rate were measured using techniques and equipment recommended by the American Thoracic Society. Standing height was found to be an accurate predictor of lung function, and prediction equations for each lung function variable are presented using standing height as the independent variable. Lung volumes and expiratory flow rates in North American Indian children were similar to those previously reported for white and Mexican-American children but were greater than those in black children. In both boys and girls, lung function increased in a curvilinear fashion. Volume-adjusted maximal expiratory flow rates after expiring 50 or 75% of FVC tended to decrease in both sexes as age and height increased. Our maximal expiratory flow volume curve data suggest that as North American Indian children grow, lung volume increases at a slightly faster rate than airway size does.
对176名7至18岁的北美印第安健康儿童(94名女孩,82名男孩)进行了肺功能参考标准测定。使用美国胸科学会推荐的技术和设备测量肺活量、最大呼气流量容积曲线和呼气峰值流速。发现身高是肺功能的准确预测指标,并给出了以身高作为自变量的各肺功能变量的预测方程。北美印第安儿童的肺容积和呼气流量速率与之前报道的白人和墨西哥裔美国儿童相似,但大于黑人儿童。在男孩和女孩中,肺功能均呈曲线上升。在呼出FVC的50%或75%后,经容积校正的最大呼气流量速率往往会随着年龄和身高的增加而在两性中下降。我们的最大呼气流量容积曲线数据表明,随着北美印第安儿童的成长,肺容积的增长速度略快于气道大小的增长速度。