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目的：观察微创胸腔内闭式引流技术治疗创伤性气胸的临床效果。方法将创伤性气胸患者56例随机分为试验组和对照组各28例。对照组采用传统胸腔闭式引流术。试验组采用微创胸腔内闭式引流技术。对比观察2组临床疗效和患者的满意度。结果试验组总有效率为92．9％高于对照组的71．4％，满意度为82．1％高于对照组的60．7％，差异均有统计学意义（P＜0．05）。治疗期间和治疗后2组患者均未产生明显不良反应。结论微创胸腔内闭式引流技术治疗创伤性气胸具有良好的疗效，值得临床推广应用。“,”Objective To observe the clinical effect of minimally invasive thoracic closed drainage in traumatic pneu -mothorax.Methods 56 cases patients with traumatic pneumothorax werer andomly divided into test group and control group, each of 28 cases.Test group treated by minimally invasive thoracic closed drainage .Control group treated by traditional closed thoracic drainage.After treatment,compared the clinical effect and patient satisfaction of 2 groups.Results The total efficien-cy of test group(92.9%)was higher than that of control group (71.4%),the patient satisfaction of test group (82.1%)was higher than that of control group (60.7%),the difference was statistically significant (P<0.05).No serious adverse events in 2 groups.Conclusion Minimally invasive thoracic closed drainage in traumatic pneumothorax has an good effect ,worthy of clinical application .