Regression of neovascular iris vessels by intravitreal injection of crystalline cortisone.
PURPOSE: To report the clinical outcome of patients who received an intravitreal injection of crystalline triamcinolone acetonide as treatment of neovascular glaucoma. PATIENTS AND METHODS: The study included 14 eyes of 14 patients with secondary neovascular glaucoma attributable to proliferative diabetic retinopathy (n = 9) or ischemic central retinal vein occlusion (n = 5). All patients received an intravitreal injection of 20 mg of crystalline triamcinolone acetonide as the only procedure (n = 4) or in combination with additional procedures, such as goniosynechiolysis (n = 1), phacoemulsification and intraocular lens implantation (n = 2), or transscleral peripheral retinal cryocoagulation (n = 7). Mean follow-up time was 3.10 +/- 2.40 months (median, 3.5 months; range, 0.50-5.7 months). A goniosynechiolysis was carried out in those patients in whom the anterior chamber was circumferentially closed. RESULTS: After surgery, including the first days after surgery, the patients were nearly pain-free. Intraocular pressure was significantly (P < 0.01) reduced from 33.4 +/- 14.5 mm Hg before surgery to 20.7 +/- 8.2 mm Hg at the end of the follow-up period. Postoperative visual acuity (mean, 0.09 +/- 0.07; median, 0.10; range, finger counting to 0.25) was slightly but not significantly (P = 0.31) better than the preoperative values. Degree of rubeosis iridis decreased significantly (P = 0.02) from 2.6 +/- 1.3 relative units to 1.3 +/- 1.2 relative units. When considering only the four patients for whom the intraocular cortisone injection was the only procedure performed, mean intraocular pressure decreased from 26.5 +/- 12.1 mm Hg to 21.75 +/- 11.3 mm Hg. CONCLUSIONS: Intravitreal injection of crystalline cortisone with most of the vehicle removed may be a potentially useful additional tool in the treatment of neovascular glaucoma.[1]References
- Regression of neovascular iris vessels by intravitreal injection of crystalline cortisone. Jonas, J.B., Hayler, J.K., Söfker, A., Panda-Jonas, S. Journal of glaucoma. (2001) [Pubmed]
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