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目的探讨经鼻持续气管正压通气（nCPAP）治疗中-重度毛细支气管炎的临床疗效及价值。方法回顾性分析2012年10月~2014年5月我科收治的中-重度毛细支气管炎患儿74例，根据是否使用nCPAP分成对照组36例和治疗组38例，两组均给予对症、支持及支气管舒张剂雾化吸入等治疗，治疗组在上述基础上加（nCPAP）治疗，分析两组患儿呼吸频率、喘息、三凹征、饮食量及肺部体征等情况及治疗效果。结果治疗组总有效率为92.11%（35/38），高于对照组的72.22%（26/36）（<0.05）。结论 nCPAP治疗中-重度毛细支气管炎疗效显著，缩短疗程，值得临床推广。“,”Objective To evaluate the clinical effect and value of continuous positive airway pressure (nCPAP) in the treatment of moderate to severe capillary bronchiolitis. Methods Seventy-four children with moderate to severe capillary bronchiolitis were divided into a treatment group with 36 cases and a control group with 38 cases according to whether the use of nCPAP during October 2012 to May 2014. The same comprehensive treatment was given to the two groups, and the treatment group children were given nCPAP therapy. The conditions and treatment effect of respiratory rate(RR), gasp,three depressions sign,amount of food and pulmonary signs of the two group children were analysis. Results The total effective rate of treatment group was 92.11% (35/38), higher than the 72.22% (26/36) of the control group ( < 0.05).Conclusion The effect of nCPAP in the treatment of moderate to severe capillary bronchiolitis is good, shorten the period of treatment and worthy of application.