Effect of Supra-Choroidal Triamcinolone Injection on Best-Corrected Visual Acuity and Central Retinal Thickness in Patients with Macular Edema Secondary to Retinal Vein Occlusion
Keywords:Retinal vein occlusion, suprachoroidal injection, suprachoroidal space, triamcinolone acetonide
Purpose: To find out the effect of suprachoroidal Triamcinolone injection on best corrected visual acuity (BCVA) and central retinal thickness (CRT) in patients with macular edema secondary to retinal vein occlusion.
Study Design: Interventional case series.
Place and Duration of Study: College of Ophthalmology and Allied vision Sciences, Ophthalmology department, Unit II Mayo hospital, Lahore, from September 2019 to January 2020.
Methods: This study included 45 patients diagnosed with unilateral, retinal vein occlusion associated with macular edema. Patients with previous anti-vascular endothelial growth factor injection or any steroid injection received in the last 3 months or macular edema due to any other cause were excluded from the study. Only one eye of each patient was enrolled. The patients were treated with suprachoroidal triamcinolone injection (4 mg/
100µL concentration). Patients with baseline central retinal thickness (CRT) of > 300 µm were included in the study. Serial changes in this parameter were evaluated at 1 week, 1 month and 3?months after suprachoroidal triamcinolone injection. Final CRT and Best-corrected visual acuity (BCVA) was recorded after three months.
Results: Out of 45 patients, 26 (57.7%) were males and 19 (42.2%) were females. Majority of the patients (35.4%) were 51–60 years old. During first week the visual acuity was 0.321 ± 0.273 LogMAR, after one month it was 0.468 ± 0.291 and 0.406 ± 0.318 after 03 months with a p value of 0.003. After three months significant decrease in CRT was observed. With a p-value of 0.002.
Conclusions: Suprachoroidal injection significantly improves BCVA and decreases CRT in patients with macular edema due to retinal vein Occlusion.
Keywords: Retinal vein occlusion, suprachoroidal injection, triamcinolone acetonide.
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