Efficacy and Complications of Subtenon Depo Steroid Injections in Uveitic Patients by Subtenon Canulla
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Purpose: Evaluation of therapoetic efficacy and complications of depo steroid injection by subtenon canulla on uveitic patient group is aimed. Method: In patients with uveitis, following 4-5mm inferotemporal conjunctival incision, 40mg of depo steroid was quickly injected to the posterior subtenon space by a subtenon canul-la. Patients were evaluated for complications during injection, visual acuity, intraocular pressure and uveitic reactions during the first and third months. Results: In the study group, 17 eyes of 15 patients with a mean age of 29.3 +/- 12.4 years were evaluated. Etiology for uveitis was Behget's disease in 6 (40.0%), intermediate uveitis in 3 (20.0%), Vogt-Koyonagi-Harada syndrome in one (6.7%), ankylosing spondylitis in one (6.7%), resistant iridocyclitis in one (6.7%) and undetermined posterior uveitis in 3 (20.0%). Initial visual acuity before subtenon steroid injection was 0.49 +/- 0.31 on Snellen chart, 0.59 +/- 0.32 on the first month and 0.68 +/- 0.37 on the third month (p=0.00 2). IOP by applanation tonometry was 14.6 +/- 3.8 mmHg at baseline, 16.7 +/- 6.0 on the first month and 13.9 +/- 3.6 mmHg on the third month (p=0.07). Two patients had TOP rise requiring therapy, one had an epileptiform contraction during injection, one had infection of the incision wound. Discussion: Posterior depo steroid injections performed with subtenon canulla had a low complication potential with high efficacy on a selected group of patients.