Abstract
Purpose
To investigate the effectiveness of intravitreal triamcinolone acetonide in the treatment of cystoid macular edema due to central retinal vein occlusion (CRVO). A noncomparative, prospective, interventional case series.
Methods
In this study 15 eyes of 15 patients (9 males and 6 females) with macular edema due to non-ischemic CRVO were treated with intravitreal injection of 4 mg triamcinolone acetonide and followed-up for 1 year. Examination included measurement of best-corrected visual acuity (BCVA) for distance, measurement of intraocular pressure (IOP), fluorescein angiography, foveal retinal thickness measurement by optical coherence tomography (OCT), and multifocal electroretinography recordings (MFERG) preoperatively 3, 6 and 12 months postoperatively.
Results
The visual acuity increased to a significant degree at 3 months, to a smaller degree at 6 months but at 12 months there was no significant improvement. The OCT macula thickness improved to a significant level all the follow-up period but with less significance at 12 months. The MFERG recordings from the fovea showed significant improvement at 3 and 6 months. The MFERG from the parafovea area showed significant improvement at 3 and 6 and to a smaller degree at 12 months. The intraocular pressure increased at 3 and 6 months but returned to pretreatment level at 12 months.
Conclusion
Intravitreal injection of triamcinolone acetonide leads to a significant improvement of mean VA in patients with macular edema due to CRVO. However, this significant effect is not permanent and persists for a maximum of 3–6 months. Thereafter all the indexes tend to deteriorate.
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Moschos, M.M., Brouzas, D., Loukianou, E. et al. Intraocular triamcinolone acetonide for macular edema due to CRVO. A multifocal-ERG and OCT study. Doc Ophthalmol 114, 1–7 (2007). https://doi.org/10.1007/s10633-006-9032-y
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DOI: https://doi.org/10.1007/s10633-006-9032-y