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Abstract #57192 Published in IGR 16-2
Effect of Early Treatment with Aqueous Suppressants on Ahmed Glaucoma Valve Implantation Outcomes
Pakravan M; Rad SS; Yazdani S; Ghahari E; Yaseri MOphthalmology 2014; 121: 1693-1698
See also comment(s) by Steven Gedde •
OBJECTIVE: To evaluate the effect of early aqueous suppressant treatment on Ahmed glaucoma valve (AGV) surgery outcomes. DESIGN: Randomized clinical trial. PARTICIPANTS: Ninety-four eyes of 94 patients with refractory glaucoma. METHODS: After AGV implantation, 47 cases (group 1) received topical timolol-dorzolamide fixed-combination drops twice daily when intraocular pressure (IOP) exceeded 10 mmHg, whereas 47 controls (group 2) received conventional stepwise treatment when IOP exceeded target pressure. MAIN OUTCOME MEASURES: Main outcome measures included IOP and success rate (6 mmHg < IOP < 15 mmHg and IOP reduction of at least 30% from baseline). Other outcome measures included best-corrected visual acuity, complications, and hypertensive phase frequency. RESULTS: Groups 1 and 2 were both followed up for a mean of 45±11.6 and 47.2±7.4 weeks, respectively (P = 0.74). Mixed model analysis revealed a significantly greater IOP reduction in group 1 at all intervals (P<0.001). At 1 year, the cases exhibited a significantly higher success rate (63.2% vs. 33.3%; P = 0.008) and reduced hypertensive phase frequency (23.4% vs. 66.0%; P<0.001). CONCLUSIONS: Early aqueous suppressant treatment may improve AGV implantation outcomes in terms of IOP reduction, success rate, and hypertensive phase frequency.
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Classification:
12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
11.13.2 Betablocker and carbon anhydrase inhibitor (Part of: 11 Medical treatment > 11.13 Combination therapy)
