视网膜分支静脉阻塞相关因素分析

The Analysis of Correlative Factors for Branch Retinal Vein Occlusion

目的:探讨视网膜分支静脉阻塞的有关因素。方法:对61例(61眼)视网膜分支静脉阻塞(BRVO)病例的临床资料进行回顾性分析,应用A型超声仪对19例BRVO眼轴进行测量,对照组与病例组年龄和性别相配,例数相等。结果:81.97%的病例发病年龄≥50岁,91.8%的BRVO发生于动静脉交叉点为正交叉者,67.21%的病例发生于视网膜颞上分支静脉。BRVO阻塞眼轴长与对侧眼及正常对照眼比较差异无显著性(P>0.05)。结论:视网膜分支静脉阻塞病人的预后取决于其并发症的程度和范围,并发症的发生率与阻塞部位密切相关,短眼轴不是BRVO的危险因素。

Objective To evaluate the correlative factors of branch retinal vein occlusion （BRVO）. Methods A retrospective analysis on clinical data was performed on 61 patients （61 eyes） with BRVO. The axial lengths of affected and fellow eyes of 19 patients with BRVO and of their controls were measured with A-scan ultrasonography. Results Most patients of BRVO occurred after the age over fifty. About 67.21% BRVO affected at superiotemporally. 91.8% of the cross sign were artery anterior to the vein. The mean axial length did not differ among the affected, unaffected eyes in patients with BRVO and the eyes in controls （P 〉 0.05）. Conclusion The visual prognosis was decided by the degree and amplitude of the complication. The incidence of the complication of BRVO is closely related to site of occlusion. The shorter axial length is not a risk factor for BRVO.