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Long-Term Follow-Up of Argon Laser Trabeculoplasty in Uncontrolled Primary Open-Angle Glaucoma

Long-Term Follow-Up of Argon Laser Trabeculoplasty in Uncontrolled Primary Open-Angle Glaucoma The long-term results of 180° argon laser trabeculoplasty (ALT) were studied in 61 eyes of 43 patients with uncontrolled primary open-angle glaucoma [intraocular pressure (IOP) < 22 mm Hg]. In order to enhance the relevance of this prospective study, only eyes that had not responded to medication despite standardized extensive therapy were followed up over an average period of 4.4 years [52.8 ± 7.3 (mean ± SD) months]. The success rate of treatment (decrease in IOP < 5 mm Hg, IOP below 20 mm Hg, stable visual field, stable optic nerve head and no further laser or surgical intervention) after 4.4 years was 73.7%. The mean decrease in IOP was 8.5 ± 2.9 mm Hg (mean ± SD). Eyes receiving ALT before cataract surgery retained control of IOP after surgery. A comparable pressure control was also attained with those eyes that had undergone previous trabeculectomy. Failures (26.3%) all occurred in the 1st year after treatment. The results and conclusions from our study are compared with those reported in the literature. The different theories regarding the mechanisms of action of ALT are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ophthalmologica Karger

Long-Term Follow-Up of Argon Laser Trabeculoplasty in Uncontrolled Primary Open-Angle Glaucoma

Amon, M.; Menapace, R.; Radax, U.; Wedrich, A.; Skorpik, Ch.
Ophthalmologica , Volume 200 (4): 8 – Jan 1, 2010
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Publisher
Karger
Copyright
© 1990 S. Karger AG, Basel
ISSN
0030-3755
eISSN
1423-0267
DOI
10.1159/000310104
Publisher site
See Article on Publisher Site

Abstract

The long-term results of 180° argon laser trabeculoplasty (ALT) were studied in 61 eyes of 43 patients with uncontrolled primary open-angle glaucoma [intraocular pressure (IOP) < 22 mm Hg]. In order to enhance the relevance of this prospective study, only eyes that had not responded to medication despite standardized extensive therapy were followed up over an average period of 4.4 years [52.8 ± 7.3 (mean ± SD) months]. The success rate of treatment (decrease in IOP < 5 mm Hg, IOP below 20 mm Hg, stable visual field, stable optic nerve head and no further laser or surgical intervention) after 4.4 years was 73.7%. The mean decrease in IOP was 8.5 ± 2.9 mm Hg (mean ± SD). Eyes receiving ALT before cataract surgery retained control of IOP after surgery. A comparable pressure control was also attained with those eyes that had undergone previous trabeculectomy. Failures (26.3%) all occurred in the 1st year after treatment. The results and conclusions from our study are compared with those reported in the literature. The different theories regarding the mechanisms of action of ALT are discussed.

Journal

Ophthalmologica – Karger

Published: Jan 1, 2010

Keywords: Primary open-angle glaucoma; Argon laser trabeculoplasty; Trabeculectomy; Long-term results

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