Electroretinography in the prognosis and classification of central retinal vein occlusion.
Electroretinography in the prognosis and classification of central retinal vein occlusion.
复制标题
视网膜电图在视网膜中央静脉阻塞的预后和分类中的应用。
DOI：
--
复制
发表时间：
1983
期刊：
影响因子：
--
通讯作者：
J. Mcmeel
中科院分区：
文献类型：
--
作者：
R. Sabates;T. Hirose;J. Mcmeel
将45例视网膜中央静脉阻塞患者分为3组：静脉淤滞性视网膜病变（VSR，n = 27）、出血性视网膜病变（HR，n = 6）和未确定性视网膜病变（n = 12）。记录所有病例的视网膜电图（ERG）。VSR组和HR组单次白闪ERG的平均B/a波振幅比分别为1.67和0.70。视网膜病变未确定组的ERG反应有助于评估视网膜缺血的程度，并进一步将该疾病分类为VSR或HR。B/a振幅比反映了视网膜缺血的程度，并在预测新生血管性青光眼可能发展的病例中具有预后价值。6例发生新生血管性青光眼的平均B/a比值为0.84。B/a比值大于1的患者均未发生该并发症。4例低B/a比值（平均0.73）的患者接受了全视网膜光凝治疗，无新生血管性青光眼发生。
Forty-five patients with a central retinal vein occlusion were divided into three groups: those with venous stasis retinopathy (VSR, n = 27), those with hemorrhagic retinopathy (HR, n = 6), and those with undetermined retinopathy (n = 12). The electroretinogram (ERG) was recorded in all cases. The average b/a-wave amplitude ratio of the single white-flash ERG was 1.67 for the VSR group and 0.70 for the HR group. The ERG responses in the group with undetermined retinopathy helped to assess the degree of retinal ischemia and to further categorize the disorder as either VSR or HR. The b/a amplitude ratio reflected the degree of retinal ischemia and had prognostic value in predicting in which cases neovascular glaucoma may develop. The average b/a ratio in the six cases in which neovascular glaucoma developed was 0.84. This complication did not develop in any patient with a b/a ratio greater than 1. Four patients with low b/a ratios (average, 0.73) were treated with panretinal photocoagulation; neovascular glaucoma developed in none.