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目的:观察27 G玻璃体腔灌洗术在增生性玻璃体视网膜病变玻璃体切除术后玻璃体积血(postvitrectomy vitreous hemorrhage，PVH)应用效果。方法:回顾性分析2017年1月至2019年1月郑州市第二人民医院增生性玻璃体视网膜病变PVH 41例(50眼)，根据治疗方式分为两组，观察组20例(25眼)，进行睫状体平坦部27 G套管针两切口，灌洗出玻璃体腔内积血。收集同期PVH 21例(25眼)采用玻璃体腔注射抗新生血管药物的治疗的作为对照组。术后均随访6个月。比较两组手术效果。结果:随访期末，观察组中视力提高者22眼(88.00%)；对照组视力提高15眼(60.00%)，两者差异有统计学意义(n χ2＝5.094，n P＝0.024)。n 结论:27 G玻璃体腔灌洗术治疗增生性玻璃体视网膜病变PVH效果确切。“,”Objective:To observe the application efficacy of 27 G vitreous cavity lavage in the treatment of postvitrectomy vitreous hemorrhage (PVH) for proliferative vitreoretinopathy.Methods:A total of 50 eyes of 41 cases with PVH for proliferative vitreoretinopathy in the Second People’s Hospital from Jan.2017 to Jan.2019 were analyzed restrospectively.All cases were divided into two groups according to different treatment methods.Twenty-five eyes of 20 cases in the observation group underwent double incisions with 27 G trocar in the pars plana of the ciliary body.The intravitreal vitreous hemorrhage was washed out.In the control group, 25 eyes of 21 cases with proliferative diabetic retinopathy and PVH was treated with intravitreal injection of antineovascular drugs.All cases were followed up for 6 months.The surgical efficacy between the two groups were compared.Results:At the end of the follow-up, the visual acuity of the patients in the observation group was improved in 22 eyes (88.00%), and the visual acuity was improved in the control group in 15 eyes (60.00%). The difference of visual acuity between the two groups was statistically significant(n χ2=5.094, n P=0.024).n Conclusion:27 G vitreous cavity lavage is effective for the treatment of PVH for proliferative vitreoretinopathy.