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Respiratory illnesses in childhood and subsequent development of pulmonary function.

1987; The Japanese Society for Hygiene; Volume: 42; Issue: 2 Linguagem: Inglês

10.1265/jjh.42.591

1882-6482

Toshio Nakadate, Toshio Toyama, Shiro Adachi,

Respiratory Support and Mechanisms

Four hundred and forty-one primary school children in Kashima district in Ibaraki prefecture were examined in 1980 and reexamined in 1982 in terms of flow-volume curve parameters, respiratory symptoms, past history of illnesses and other familial factors, including parental smoking habits, method of home heating, etc. Analyzable data were collected from 351 of the subjects. Subjects were classified into three groups according to their past history of respiratory illnesses.In pulmonary function parameters sensitive to changes in relatively peripheral airways (Vmax50, Vmax25), children with a history of bronchial asthma or wheezing bronchitis (8 boys and 11 girls) showed a slightly, but significantly lower mean value than a control group, but this was not the case for FVC or FEV1. These results may indicate the important role of respiratory illness accompanied by wheezing on the growth of the respiratory system. The relevance of the above findings to the natural history of chronic respiratory illnesses is also discussed.