Shukla Dhananjay, Gupta Shashank Rai
Retina-Vitreous Service, Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Madurai, Tamil Nadu, India.
Retin Cases Brief Rep. 2012 Winter;6(1):82-4. doi: 10.1097/ICB.0b013e318208851d.
We report iatrogenic occurrence of a macular tractional retinal detachment with macular hole in nonperfused hemiretinal vein occlusion and describe its management with vitrectomy, without internal limiting membrane peeling.
A 40-year-old man with diabetes was treated with scatter photocoagulation for a unilateral nonperfused hemiretinal vein occlusion with a florid neovascularization at optic disk and best-corrected visual acuity of 20/200. A month later, he developed an extensive tractional detachment of the posterior pole with a macular hole, with further drop in vision to hand motions. Pars plana vitrectomy was performed with complete removal of the tractional membranes, followed by silicone oil tamponade. No attempt was made to peel the internal limiting membrane.
Postoperatively, the retina was reattached with closure of the macular hole. Silicone oil was removed after 4 months. The anatomic outcomes were maintained for more than a year postoperatively. The patient's best-corrected visual acuity recovered to 20/80 by the final follow-up visit.
Scatter photocoagulation in retinal vein occlusion is a potentially hazardous intervention in the presence of preexisting fibrous tissue. Macular hole, when coexistent with a tractional retinal detachment, can be closed with vitrectomy and release of traction, without an intentional attempt at hole closure. Good anatomic and visual outcomes are possible with early intervention.
我们报告了在非灌注性半侧视网膜静脉阻塞中黄斑牵引性视网膜脱离合并黄斑裂孔的医源性发生情况,并描述了其玻璃体切除术治疗方法,未进行内界膜剥除。
一名40岁糖尿病男性因单侧非灌注性半侧视网膜静脉阻塞伴视盘处明显新生血管形成且最佳矫正视力为20/200,接受了散在光凝治疗。一个月后,他出现了后极部广泛的牵引性视网膜脱离并伴有黄斑裂孔,视力进一步下降至手动。行玻璃体切除术,完全去除牵引膜,随后行硅油填充。未尝试剥除内界膜。
术后,视网膜复位,黄斑裂孔闭合。4个月后取出硅油。术后解剖结果维持了一年多。最后一次随访时患者的最佳矫正视力恢复到20/80。
在已有纤维组织存在的情况下,视网膜静脉阻塞中的散在光凝是一种潜在危险的干预措施。黄斑裂孔与牵引性视网膜脱离并存时,可通过玻璃体切除术和解除牵引来闭合,无需特意尝试闭合裂孔。早期干预可获得良好的解剖和视觉效果。