USEFULLNESS OF WINDMILL® FOR PULMONARY FUNCTION TEST IN ASTHMATIC CHILDREN

Toshihiko Obata, Takuro Masaki, Yoji Iikura, Katsuyuki Miyasaka
1988 Nihon Shoni Arerugi Gakkaishi The Japanese Journal of Pediatric Allergy and Clinical Immunology  
The WINDMILL (R), a device of measuring forced vital capacity (FVC) and forced expiratory volume in one second (FEV1), was compared with a hot-wired autospirometer (AS-1500, Minato Ikagaku, Tokyo, Japan). The WINDMILL(R) showed FVC and FEV, with calculating the rolling numbers of eight windmills, which were 10mm wide and 30mm length, by a forced expiration. Fifteen healthy subjects, aged 23 to 33 years, showed good correlations except FVC in males (r=0.60) between two devices. Thirty four
more » ... tic patients, aged 6 to 22 years, showed correlations in FVC (over 2.0L: r=0.88, less than 2L:r=0.12) and in FEV1 (over 1.5L: r=0.97, less than 1.5L: r=0.67). This device showed lower values in both FVC and FEV, compared to a hot-wired autospirometer especially in the case of subjects with low flow levels. In elder children, however this can be useful because of its producibility and good correlations with the autospirometer.
doi:10.3388/jspaci.2.23 fatcat:2u5ozrvfk5dd5d7egsa6mstfxq