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目的探讨普拉洛芬在慢性后部睑缘炎治疗中的有效性。方法随机对照研究,将2014年10月~2015年6月在天津市人民医院眼科门诊就诊并符合标准的后部睑缘炎患者40例随机分为两组。试验组:20例,给予普拉洛芬+妥布霉素滴眼液+聚乙烯醇4次/d;对照组:20例,给予妥布霉素滴眼液+聚乙烯醇4次/d;各组在应用药物前给予基础治疗:清洁睑缘,湿热敷4次/d、温度40℃、20min/次。在治疗的开始、14d、28d三个时间点观察各组患者睑缘炎的症状、体征的变化及对治疗的不适。对于计量资料采用检验,对于计数资料采用2检验。结果治疗前试验组和对照组症状和体征评分无统计学差异(=-0.989,>0.05);试验组治疗前和治疗后14d、28d相比,症状和体征评分差异均有统计学意义(14d时:=8.787,28d时:=9.693,28d与14d对比:=9.091,<0.01);对照组治疗前和治疗后14d、28d相比,症状和体征评分差异有统计学意义(14d时:=8.411,28d时:=15.293,28d与14d对比:=13.598,<0.01);治疗后14d、28d,试验组和对照组症状和体征对比差异均有统计学意义(14d时:=-4.574,<0.01;28d:=-7.59,0.05). The dif erence of the symptom and sign scores of the experimental group patients before treatment and 14,28 days after treatment were significant( <0.01). The dif erence of the symptom and sign scores of the control group patients before treatment and 14,28 days after treatment were significant ( <0.01);After treatment the symptom and sign scores of the experimental group had a statistical y significant decrease comparing with the control group( <0.01).Conclusion Pranoprofen eye drops can significantly improve symptoms and sign of dry patients with chronic posterior blepharitis.