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Effects of topical bevacizumab application on early bleb failure after trabeculectomy: observational case series

Authors Klos-Rola J, Tulidowicz-Bielak M, Zarnowski T

Received 14 March 2013

Accepted for publication 15 May 2013

Published 25 September 2013 Volume 2013:7 Pages 1929—1935


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

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Justyna Klos-Rola, Maria Tulidowicz-Bielak, Tomasz Zarnowski

Department of Ophthalmology, Medical University of Lublin, Lublin, Poland

Background: The aim of this study was to evaluate the influence of topical bevacizumab on the formation and function of filtering blebs in eyes with early bleb failure after antiglaucoma surgery.
Methods: Of all patients who underwent mitomycin-augmented trabeculectomy for glaucoma in the Department of Ophthalmology at the Medical University in Lublin, Poland, between March 2009 and March 2010, a total of 21 eyes from 20 patients with injected filtration bleb 9.8 ± 4.7 days after surgery were included in this observational case series. All patients were treated with standard steroid therapy and topical bevacizumab 5 mg/mL five times a day for 20.9 ± 9.8 days. Patients were followed up every other day, and a full eye examination was performed 14, 30, 60, and 180 days after initiation of treatment. Blebs were evaluated for vascularity by slit-lamp examination with concomitant photographic documentation and intraocular pressure measurement.
Results: Elevated functional bleb with significantly reduced vascularity was present in 16 eyes, and was flat and nonfunctional in five eyes. Intraocular pressure in all eyes decreased from a mean of 26.6 ± 9.6 mmHg before surgery to 14.6 ± 7.7 mmHg and 15.8 ± 8.3 mmHg at 2 and 6 months after surgery, respectively. Filtration bleb leak was noted in three eyes while on treatment with bevacizumab.
Conclusion: Topical application of bevacizumab might favor functional bleb formation after trabeculectomy in eyes with a high risk of failure.

Keywords: glaucoma, trabeculectomy, bleb failure, bevacizumab

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