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Preliminary report of arteriovenous sheathotomy for treatment of branch retinal vein occlusion

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF OCULAR FUNDUS DISEASES
Issue:
1
DOI:
10.3760/j.issn:1005-1015.2002.01.003
Key Word:
视网膜静脉闭塞/外科手术;动脉/外科手术;静脉/外科手术

Abstract: 目的观察动静脉鞘膜切开术(arteriovenous sheathotomy)治疗视网膜分支静脉阻塞(branch retinal vein occlusion, BRVO)的临床疗效.方法分析6例BRVO患者经行睫状体平坦部玻璃体切割、玻璃体后皮质剥离、BRVO部位的动静脉鞘膜切开、动静脉分离等治疗的6只患眼术中所见以及随访3~12个月的视力、眼底彩色照相、荧光素眼底血管造影(fundus fluorescein angiography,FFA)、光学相干断层扫描(optical coherence tomography, OCT)、多焦视网膜电图(multifocal electroretinography,mERG)等检查的临床资料.结果手术中,切开动静脉鞘膜、分离动静脉时,均见近段静脉充盈增加.随访期间内,5例患者的视力显著提高(最佳矫正视力为1.5),眼底彩色照相、FFA检查发现视网膜出血明显吸收,血管变直,荧光素渗漏减少,但有3例患者手术后3个月在鞘膜切开部位的远段FFA检查可见大片毛细血管闭塞区;OCT检查显示黄斑水肿较手术前大大减轻或消除;mERG检查显示黄斑区反应振幅明显高于手术前.1例患者因反复玻璃体积血而再次手术.结论动静脉鞘膜切开术治疗BRVO能提高患者视力,改善静脉回流,减轻黄斑水肿,但手术后视网膜毛细血管的无灌注区的改善却不明显.

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