Introduction: This study investigates the incidence, clinical characteristics, and treatment response of macular neovascularization (MNV) occurring after retinal pigment epithelium (RPE) and choroid graft translocation surgery (RPE-choroid TS).
Methods: Retrospective analysis of 36 eyes of 36 consecutive patients who underwent RPE-choroid TS. Longer term follow-up of graft survival focusing on the occurrence of MNV was performed using multimodal imaging.
Results: Indications for RPE-choroid TS included complications of neovascular age-related macular degeneration in 34 patients and drusenoid pigment epithelial detachment in 2 patients. With a mean follow-up of 30 months, 8 patients out of 36 developed signs of MNV. Of these 8 patients, 4 presented with a drop in visual acuity (VA) due to centrally located type 3 MNV. Early diagnosis and treatment prevented significant functional consequences. Four patients developed type 2 MNV at the border of the graft, which did not tend to affect the VA.
Conclusion: We report a high incidence of MNV after RPE-choroid TS. Early diagnosis and treatment may preserve function in these patients. The type of MNV and location can be used to guide the management.
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