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Optimal Pressure Support Ventilation as Studied in a Mathematical Model Eiji Takahashi 1 , Isao Tateishi 1 1Division of Biomedical Systems Engineering, Faculty of Engineering, Hokkaido University Keyword: 圧補助人工呼吸(pressure support ventilation) , 計算機シミュレーション(computer simulation) pp.573-577
Published Date 1991/6/15
DOI https://doi.org/10.11477/mf.1404900294
  • Abstract
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To determine the optimal pressure support (PS) level in pressure support ventilations (PSV), we combined a mathematical model representing lung mechanics and alveolar gas exchange with a PS respirator model. As suggested by Fiastro et al. (1988), we defined the opti-mal PS level with regard to the work of breathing in such a way that the external inspiratory work of breath-ing equalled zero. We found that the optimal PS level determined as above resulted in the mean airway pres-sure calculated during an inspiratory phase being equal to zero (or a CPAP level).


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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