玻璃体积血与玻璃体劈裂

目的：观察玻璃体积血后玻璃体的形态变化及玻璃体劈裂的影像特征。探讨玻璃体劈裂形成的机制及术前认识玻璃体劈裂的意义。方法：总结玻璃体积血88例(97只眼)，其中增殖性糖尿病性视网膜病变(PDR)32例38只眼：视网膜血管炎28例30只眼；视网膜静脉阻塞28例29只眼。术前进行B型超声波检查，部分进行彩色超声多普勒检查，将超声图像与玻璃体切除术中所见相对比。结果：PDR组玻璃体劈裂发生率为18／38(47．4％)，视网膜血管炎组为10／30(33％)，视网膜静脉阻塞组为4／29(13．8％)。结论：不同原因所致的玻璃体积血均可能发生玻璃体劈裂，对玻璃体劈裂的认识有助于成功完成玻璃体切除术和减少术后并发症。

Vitreous Hemorrhage and Vitreoschisis

Purpose: To identify the morphologic characteristics of vitreous especially vitreoschisis in vitreous hemorrhage, aiming at discussing the mechanism and clinical importance of vitreoschisis. Methods: Eighty-eight cases (97eyes) of vitreous hemorrhage were observed among which 32 cases (38 eyes) resulting from PDR, 28 cases (30 eyes) resulting from retinal vasculitis and 28 cases (29 eyes) resulting from retinal vein occlusion.All cases had B-scan examination, some had color Doppler examination. Images were compared with the finding in vitre- ctomy. Results:Vitreoschisis occurred in 18 cases (47.4%) in PDR group, 10 cases (33%) in retinal vasculitis group and 4 cases(13.8%) in retinal vein occlusion group. Conclusions: Vitreoschisis may occurr in different kind of vitreous emorrhage. Recognition of vitreoschisis may aid to complete vitrectomy and reduce some complication after surgery. Eye Science 2003; 19: 215-217.