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Problems with attempted chorioretinal venous anastomosis by laser for nonischemic CRVO and BRVO.

Bavbek T, Yenice O, Toygar O

Department of Ophthalmology, Marmara University Medical School, Istanbul, Turkey.

PURPOSE: To report the complications and long-term results of laser-induced chorioretinal venous anastomosis in vein occlusions. PATIENTS AND METHODS: Eight consecutive eyes, 3 with central retinal vein (CRVO) and 5 with branch retinal vein occlusion (BRVO), were observed for up to 5 years after attempted laser-induced chorioretinal venous anastomosis. Results: Successful chorioretinal venous anastomoses were created in 2 (25%) eyes. Patients had severe complications, including vitreous hemorrhage, choroidal neovascular membrane, choriovitreal neovascularization, rubeosis iridis and neovascular glaucoma. CONCLUSION: The utilization of a chorioretinal venous anastomosis by laser with proposed laser settings as a therapeutic modality should be further analyzed, and a careful long-term follow-up must be done to avoid vision-threatening complications.

Published 26 August 2005 in Ophthalmologica, 219(5): 267-71.
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