Purpose: To report a case of proliferative diabetic retinopathy (PDR) showing transient macular edema (ME) and deteriorated retinal function after intravitreal bevacizumab injection (IVB). Methods and Results: A 53-year-old man received IVB (1.25 mg/0.05 ml) in both eyes for the treatment of PDR. There was no treatment-related complication. However, he complained of photopsia in both eyes 6 h after the injection. Slit-lamp examination revealed mild cellular infiltrations (1+) in the anterior chamber in both eyes. Optical coherence tomography showed ME formation in the left eye. Both full-field and multifocal electroretinography (ERG) revealed the deterioration of all parameters in both eyes compared with pretreatment. The inflammation in the anterior segment and ME disappeared 1 day after the injection. ERG parameters were improved 9 days after the injection, except for the N1 and P1 amplitude of multifocal ERG in the left eye. Conclusion: We propose that patients who undergo IVB should be carefully informed and followed up for possible complications including temporal ME formation and retinal function deterioration. Copyright © 2011 S. Karger AG.
CITATION STYLE
Imai, H., Honda, S., Tsukahara, Y., & Negi, A. (2011). Macular edema formation and deterioration of retinal function after intravitreal bevacizumab injection for proliferative diabetic retinopathy. Case Reports in Ophthalmology, 2(3), 314–318. https://doi.org/10.1159/000332830
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