目的 :探讨面罩下双水平气道正压通气 (BiPAP)治疗重症哮喘呼吸衰竭的临床分析。方法 :在内科常规治疗基础上联合应用双水平气道正压通气治疗 3 0例重症哮喘呼吸衰竭的患者 ,进行呼吸 (RR)、心率 (HR)、血氧饱和度 (SaO2 )平均动脉压 (MAP)、血气分析等指标监测。结果 :3 0例患者临床症状全部缓解 ,与治疗前后的血气指标改善明显 ( P <0 .0 1)。结论 :面罩下双水平气道正压通气 (BiPAP)对重症哮喘呼吸衰竭有良好的疗效 Objective: To investigate the clinical analysis of BiPAP under respiratory mask in the treatment of severe asthma respiratory failure. Methods: 30 patients with severe asthmatic respiratory failure were treated with bi-level positive airway pressure ventilation on the basis of routine medical treatment. The mean arterial pressure (RR), heart rate (HR), blood oxygen saturation (SaO2) MAP), blood gas analysis and other indicators of monitoring. Results: All 30 patients were relieved of clinical symptoms, with improvement of blood gas index before and after treatment (P <0.01). Conclusions: Biphasic positive airway pressure (BiPAP) has a good effect on severe asthma respiratory failure