[Clinical application of tidal breathing lung function test in 1-4 years old children with wheezing diseases].

Objective: To study the clinical significance of tidal breathing lung function test in 1-4 years old children with wheezing diseases.

Methods: A total of 141 1-4 years old children with wheezing diseases were enrolled as the observed groups (41 cases of asthma, 54 cases of asthmatic bronchitis, and 46 cases of bronchopneumonia). Thirty children without respiratory diseases were enrolled as the control group.

[Prognosis of 212 children with asthma: a 5-year follow-up study].

Objective: To study the prognosis of childhood asthma and the factors influencing asthmatic attacks and prognosis.

Methods: The medical data of 212 children with asthma who were followed up for more than 5 years were retrospectively studied.

Results: During the 5-year follow up, asthmatic attacks termination was found in 121 cases (57.