- 1. As the severity of the obstruction to expiratory flow increases, patients become increasingly dyspneic.
- 随着呼气性阻塞越来越严重，病人的呼吸困难也逐渐加重。
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- 2. After 6 months, we observe the patients' condition of lung ventilation, dyspneic respiration and disease resistance.
- 疗程均为6个月，观察患者肺通气、呼吸困难、抗病能力的改善状况。
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- 3. After 6 months, we observe the patients' condition of lung ventilation, dyspneic respiration and disease resistance.
- 疗程均为6个月，观察患者肺通气、呼吸困难、抗病能力的改善状况。
来自互联网
