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近年来哮喘的发病率和病死率均有所上升,作者就与濒死性哮喘(ｎｅａｒｆａｔａｌａｓｔｈｍａ,ＮＦＡ)有关的危险因素进行了前瞻性研究。方法和结果 ＮＦＡ的定义为ＰａＣＯ2≥6ｋＰａ或需要接受机械通气治疗,共19例,平均年龄402±120岁;对照组为未发生呼吸衰竭的严重哮喘患者
In recent years, both the incidence and mortality of asthma have risen, and the authors prospectively studied the risk factors associated with near-fatal asthma (NFA). Methods and Results NFA was defined as PaCO2 ≥ 6 kPa or need mechanical ventilation, a total of 19 patients with an average age of 402 ± 120 years; the control group was severe asthma patients without respiratory failure