Low frequency oscillometry parameters in COPD patients are less variable during inspiration than during expiration

@article{Kubota2009LowFO,
  title={Low frequency oscillometry parameters in COPD patients are less variable during inspiration than during expiration},
  author={Masaru Kubota and Gakuji Shirai and Tomoyuki Nakamori and Kenichi Kokubo and Hirosuke Kobayashi},
  journal={Respiratory Physiology & Neurobiology},
  year={2009},
  volume={166},
  pages={73-79}
}
Impulse oscillometry (IOS) is a forced oscillation technique that enables pulmonary functional studies to be performed without requiring strenuous maneuvers. IOS assesses different components of respiratory impedance. The aim of this study was to compare the inspiratory and expiratory IOS parameters in COPD patients. IOS and spirometry were performed in 15 COPD patients and 23 healthy subjects. Thereafter, COPD patients were treated with tiotropium and their pulmonary function was re-evaluated… CONTINUE READING

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