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Clinical risk factors for severe proliferative vitreoretinopathy after scleral buckling surgery
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF OCULAR FUNDUS DISEASES
- Issue:
- 3
- DOI:
- 10.3760/j.issn:1005-1015.2003.03.002
- Key Word:
- 视网膜脱离/外科手术;玻璃体视网膜病,增生性;危险因素;手术后并发症
Abstract： 目的探讨孔源性视网膜脱离巩膜扣带术后严重增生性玻璃体视网膜病变(proliferative vitreoretinopathy, PVR)发生的临床危险因素. 方法采用病例对照研究方法,回顾性分析4 031例(4 031只眼)PVR低于 C1级、行视网膜脱离巩膜扣带术患者的临床资料.记录患眼眼压值、晶状体和玻璃体状态、视网膜脱离特征、是否伴发脉络膜脱离等22个临床特征.4 031例患者中, 有2 660例手术后随访时间3个月以上,其中72例(72只眼)因为巩膜扣带术后[12～210 d ,平均时间(60.3±41.0) d]发生严重PVR导致视网膜再脱离,回到我科行第2次玻璃体切割术,纳入PVR组;从剩下的2 588例患者资料中随机调取72例(72只眼)视网膜复位3个月以上患者的临床资料纳入对照组.应用SPSS(10.0)软件将2组分析结果进行单元和多元Logistic回归分析. 结果视网膜脱离巩膜扣带术后严重PVR发生的相关因素为:巩膜扣带术前呈现不完全性玻璃体后脱离 (P<0.001),眼压低于7 mm Hg(1 mm Hg=0.133 kPa)(P＜ 0.002),以及单一视网膜裂孔大小大于2个视盘直径(disc diameter,DD)(P＜ 0.005). 结论孔源性视网膜脱离患者巩膜扣带术前有不完全性玻璃体后脱离、低眼压及单一视网膜裂孔大小大于2 DD可能是PVR发生的主要危险因素.
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