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KMID : 1191420110100010029
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Korean Journal of Optometry and Vision Science
2011 Volume.10 No. 1 p.29 ~ p.36
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Intravitreal versus Posterior Subtenon Injection of Triamcinolone for Macular Edema with Branched Retinal Vein Occlusion
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Jee Dong-Hyun
La Tae-Yoon
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Abstract
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Purpose: To anterospectively evaluate the clinical results of intravitreal (IVT) and posterior subtenon (PSTT) injection of triamcinolone acetonide (TA) for macular edema with branched retinal vein obstruction (BRVO).
Methods: Twenty five eyes of 25 patients with macular edema of BRVO was assigned two groups. 13 eyes in IVT group received intravitreal TA injections (4 mg/0.1 ml) and 12 eyes in PSTT group received subtenon TA injections (20 mg/0.5 ml). Central Macular Thickness, visual acuity, and intraocular pressure were measured at before and 1, 3, 6 month postoperatively.
Results: The mean CMT was significantly dereased at 1 month postoperatively in IVT group, and at 3 months postoperatively in PSTT group. And the recuction was maintained until 6 month postoperatively in both groups. The mean CMT in IVT group was significantly more decreased than PSTT group at 1 month postoperatively. Visual acuity in IVT group was significantly more improved than PSTT group at 1 month postoperatively. And there is no worseness of CMT and visual acuity in both group. The percentage increase of IOP was significantly higher in IVT group than PSTT group in 1 week, 1 month postoperatively.
Conclusions: IVT injection seems to have more rapid action on BRVO-associated macular edema than PSTT injection. But IVT injection has more risk of IOP increase. PSTT injection also seems to be a safe and effective injection for BRVO-associated macular edema.
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KEYWORD
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BRVO-associated macular edema, Triamcinolone intravitreal injection, Triamcinolone posterior subtenon injection
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