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Adjunctive bevacizumab in patients undergoing Ahmed valve implantation: a pilot study.

Author(s): Rojo-Arnao M, Albis-Donado OD, Lliteras-Cardin M, Kahook MY, Gil-Carrasco F

Affiliation(s): Asociacion Para Evitar la Ceguera en Mexico, Coyoacan, Mexico.

Publication date & source: 2011-03, Ophthalmic Surg Lasers Imaging., 42(3):132-7.

Publication type: Randomized Controlled Trial

BACKGROUND AND OBJECTIVE: To report on preliminary findings of adjunctive subconjunctival bevacizumab (SCB) injections in patients undergoing Ahmed valve implantation (AVI) (New World Medical, Rancho Cucamonga, CA). PATIENTS AND METHODS: The study was approved by the institution's ethics committee. Patients were prospectively recruited during a 1-month period and randomized to receive AVI with postoperative SCB (days 1 and 7, n = 7) or AVI without SCB (n = 6). RESULTS: Baseline intraocular pressure (IOP) in the treatment (AVI+SCB) group was 19.4 +/- 8.6 mm Hg, whereas baseline IOP in the control (AVI) group was 32.1 +/- 17.7 mm Hg (P = .119). Final IOP was 13.8 mm Hg (n = 7) for the treatment group and 12.7 mm Hg for the control group (n = 5, P = .790). One eye in the control group required further glaucoma intervention at day 45 and was considered a failure. The pre-massage postoperative IOP was significantly lower for the treatment group only at day 45 (16.1 vs 26.0 mm Hg, P = .012). Mean post-massage IOP was significantly lower in the treatment group at day 15 (11.28 vs 17.16 mm Hg, P = .004), day 30 (11.28 vs 20.83 mm Hg, P = .015), and day 45 (12.16 vs 21.33 mm Hg, P = .001), and similar at month 3. Mean change in bleb area was 11.4 mm(2) in the treatment group and -0.4 mm(2) in the control group (P = .036 and P = .361, respectively, Student's paired samples t test). CONCLUSION: Bevacizumab was associated with a less aggressive hypertensive period as measured by post-massage IOP measurements, postoperative glaucoma medications, and cross-sectional bleb area by ultrasound. Further prospective studies are needed to better understand the utility of SCB at the time of AVI surgery. Copyright 2011, SLACK Incorporated.

Page last updated: 2011-12-09

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