Objective:To evaluate the clinical effect of using permissivehypercapnia ventilation therapy in the treatment of chronic obstructive pulmonary disease(COPD).
目的:总结应用允许的高碳酸血症通气疗法治疗慢性阻塞性肺疾病(COPD)患者的临床疗效。
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Objective: To observe physiological effects of permissivehypercapnia(PHC) in gynecological laparoscopic operation and decide extensive use of this ventilation strategy.