The results demonstrate that HFOV can maintain normal gas exchange. The effectiveness of HFOV correlates predominately with the amount of tidal volume and the rate of frequency, especially the former.
结果表明：hfov能维持正常气体交换功能，其效能明显受潮气量大小和频率高低的影响，以潮气量的作用更为突出。
Methods: We analyzed the therapeutic effect of non-invasive ventilation on respiratory muscles, lung function, arterial gas exchange, exertion tolerance, quality of life and morality rate.
方法：从无创呼吸机治疗对呼吸肌、肺功能、血气交换、活动耐量、生活质量和生存率的影响，来分析其疗效。
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