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目的 :观察连续延长眼内有效气泡填塞时间治疗复杂的玻璃体视网膜病变的疗效。方法 :对 5 6眼玻璃体切割术后 ,认为需硅油充填者 ,采用经眼前节行眼内连续气液交换术 ,按眼内病变程度 ,选择手术间隔时间和次数 ,气体为 15 %～ 2 0 % C3F8。结果 :眼内气泡消失追踪观察 3～ 14个月 ,功能性成功 45眼 (80 .4% ) ,解剖成功 7眼 (12 .6 % ) ,失败 4眼 (8.0 % )。视功能在 0 .2以上17眼 ,0 .1～ 0 .0 2者 2 8眼 ,0 .0 2以下 11眼。主要并发症 :暂时性高眼压和晶体后囊下混浊。结论 :复杂的玻璃体视网膜术后 ,行反复眼内气液交换 ,延长气泡在眼内有效顶塞时间 ,并可用于清除术后较多量的出血和无晶体眼硅油取出 ,简化了手术 ,提高手术成功率 ,减少硅油的使用
OBJECTIVE: To observe the curative effect of prolongation of effective intravitreal bubble filling time in the treatment of complex vitreoretinopathy. Methods: Fifty-six eyes were treated with vitrectomy and considered to be filled with silicone oil. The eyes were treated with sequential intra-ocular gas-liquid exchange surgery. According to the degree of intraocular lesions, the time and frequency of operation were selected. The gas volume was 15% -20 % C3F8. Results: The disappearance of intraocular air bubbles followed up for 3 to 14 months. The functional success was 45 eyes (80.4%), the successful anatomy was 7 eyes (12.6%) and the failure was 4 eyes (8.0%). Visual function in more than 0.2 0.2 eyes, 0 .1 ~ 0. 02 2 eyes, 0. 02 the following 11 eyes. The main complications: temporary high intraocular pressure and posterior subcapsular opacity. CONCLUSIONS: After complicated vitreoretinal surgery, repeated intra-ocular gas-liquid exchange can prolong the effective time of topical embolization in the eye and can be used to remove more postoperative bleeding and aphakic silicone oil, which simplifies the operation and improves the operation Success rate, reduce the use of silicone oil