目的 观察重症支气管哮喘应用无创正压通气治疗的效果。方法 选取我院收治的72例重症支气管哮喘患者的临床资 料为研究对象，按照不同治疗方法将其分成对照组与观察组各36例，对照组应用常规药物治疗，观察组应用常规 药物+无创正压通气治疗，对比观察两组患者治疗后的临床效果。结果 两组患者治疗后的SaO2、PaO2、pH均增大， PaCO2均降低，对比差异明显，均有统计学意义（P<0.05）；两组患者治疗后24h的呼吸频率与心率均降低，对比 差异明显，有统计学意义（P<0.05）；对照组的总有效率86.1%，观察组为97.2%，对比差异明显，有统计学意义 （P<0.05）。结论 应用无创正压通气治疗重症支气管哮喘，临床效果满意，值得推广。

Objective To observe the effect of noninvasive positive pressure ventilation in the treatment of severe bronchial asthma. Methods The clinical data of 72 patients with severe bronchial asthma were selected as the research object. According to different treatment methods, the patients were divided into control group and observation group, 36 cases in each group. The control group was treated with conventional drugs, and the observation group was treated with conventional drugs plus noninvasive positive pressure ventilation. The clinical effect of two groups were compared. Results The, pH, SaO2, PaO2, 24h, and PaCO2 were significantly lower in the two groups, the difference was statistically significant (P<0.05). The respiratory rate and heart rate were significantly lower in the two groups after treatment, and the difference was statistically significant (P<0.05), the control group was 97.2%, the difference was statistically significant (P<0.05). Conclusion The application of noninvasive positive pressure ventilation in the treatment of severe bronchial asthma, the clinical effect is satisfactory, it is worth promoting.