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目的探讨不同大小切口的以穹隆为基底的结膜瓣,对小梁切除术后功能性滤过泡形成的影响。方法选择于我院施行小梁切除术的患者62名68只眼,依据穹隆为基底的“L”形切口结膜瓣的大小不同随机分为三组,A组结膜瓣切口为5mm×10mm,B组结膜瓣切口5mm×7mm,C组为A组基础上辅以角膜缘连续缝合。对术后功能泸过泡进行密切观察随诊,干预治疗,比较三种方法对眼压控制的效果。结果术后滤过道瘢痕形成A、C二组为0,B组31.81%;术后早期滤过过强A组30.40%>B组9.0%>C组8.70%。术后稳定期功能性滤过泡的保存率C组91.30%>A组86.96%>B组63.64%。结论以角膜缘连续缝合的以穹隆为基底的大切口结膜瓣联合调整缝线术可以提高小梁切除术后功能性滤过泡形成率。
Objective To investigate the effect of different sizes of incised dome - based conjunctival flap on the formation of functional filtration bleb after trabeculectomy. Methods Totally 68 eyes of 62 eyes undergoing trabeculectomy in our hospital were randomly divided into three groups according to the size of the “L” -shaped incision conjunctival flap of the fornix. A group of conjunctival flap incision was 5mm × 10mm, B Group conjunctival incision 5mm × 7mm, C group A group supplemented by continuous corneal suture. After the operation of the function of Lu bubble close observation follow-up, intervention, compared three methods to control the effect of intraocular pressure. Results Postoperative scar formation was 0 in group A and group C, and 31.81% in group B. The early postoperative filtration was over 30.40% in group A, 9.0% in group B, and 8.70% in group C. The preservation rate of functional filtration bleb at stable stage after operation was 91.30% in C group, 86.96% in A group, and 63.64% in B group. Conclusions A large incision conjunctival flap with a continuous dome on the limbus and adjustment of sutures can improve the rate of formation of functional bleb after trabeculectomy.