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D. Johnson, C. Bair, J. Evangelista, R. Trespalacios, K. Mitchell, J. Frankel, R. Davis; Express Shunt Under a Scleral Flap as Primary Surgical Treatment for Open Angle Glaucomas . Invest. Ophthalmol. Vis. Sci. 2006;47(13):23.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate the efficacy of the Express Shunt underneath a scleral flap without Mitomycin C as primary surgical therapy in open angle glaucomas.
Retrospective Chart Review of patients who received glaucoma filtration surgery at a Veterans Administration Hospital using the Express Shunt underneath a scleral flap.
26 eyes of 24 patients who received the Express Shunt underneath a scleral flap as the primary surgical therapy for open angle glaucomas had their pre operative, 1 day, 1 week, and 3 month intraocular pressures (IOP) evaluated and recorded. Mean pre operative IOP was 22. Mean 1 day post op IOP was 7, 1 week IOP was 12, 3 month IOP was 18. Pre operative and 3 month post operative visual acuities were recorded and found to be unchanged. Approximately 55% of patients needed to resume at least one medication to control intraocular pressure 3 months after their surgical procedure.
The Express Shunt underneath a scleral flap may prove to be a useful option in terms of primary surgical therapy for open angle glaucomas. Further evaluation is warranted. Surgical success could likely be improved upon with the use of adjunct antifibrotic agents.
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