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Abstract #69444 Published in IGR 18-1

Long-term Outcomes of a Modified Technique Using the Baerveldt Glaucoma Implant for the Treatment of Refractory Glaucoma

Marchini G; Ceruti P; Vizzari G; Toscani M; Amantea C; Tosi R; Marchetti P
Journal of Glaucoma 2016; 25: 952-958


PURPOSE OF THE STUDY: The purpose of the study was to evaluate the long-term effectiveness and safety profile of Baerveldt glaucoma implant (BGI) in patients with refractory glaucoma operated using a modified technique to avoid postoperative complications. PATIENTS AND METHODS: A total of 160 eyes from 147 glaucomatous patients were enrolled in a consecutive interventional noncomparative case series. All the patients were treated with a 350-mm BGI using a modified technique. Intraocular pressure (IOP), the number of medications, the complications, and the postoperative interventions were reported preoperatively and during the follow-up. Postoperative IOP and the rate of complications were the primary outcome measures. The complete and qualified surgical success was the second endpoint. RESULTS: BGI obtained a mean IOP reduction from 31.8±6.4 mm Hg (baseline) to 14.4±3.5 mm Hg after a mean follow-up period of 38.4±9.6 months. The mean number of medications reduced between preoperative (n=3.17±1.03) and postoperative period (n=0.58±0.83) (P<0.0001). Cumulative probability of maintaining an IOP between 5 and 21 mm Hg and/or a 25% or greater reduction in IOP was 78.7% at 1 year and 72.1% at 4 years, including 39 eyes (24.4%) in which postoperative interventions were required (qualified success). If we exclude those eyes from the analysis, the probability of complete success was 93.4% at 1 year and 91.4% at 4 years in 75.4% of the eyes. CONCLUSIONS: This modified technique achieved a high percentage of surgical success during the whole follow-up time and was effective in preventing the most serious immediate complications of nonvalved tube shunts.

*Eye Clinic, Department of Neurological and Movement Sciences †Unit of Epidemiology & Medical Statistics, Department of Public Health and Community Medicine, University of Verona, Verona, Italy.

Full article

Classification:

12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)



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