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Journal of Glaucoma:
doi: 10.1097/IJG.0b013e3182684fd1
Original Studies

Adverse Effects and Short-term Results After Selective Laser Trabeculoplasty

Klamann, Matthias K.J. MD; Maier, Anna-Karina B. MD; Gonnermann, Johannes MD; Ruokonen, Peter C. MD

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Abstract

Purpose:

To evaluate the risk of adverse effects and to demonstrate short-term results after selective laser trabeculoplasty (SLT) in glaucoma patients.

Methods:

Sixty-four eyes of 64 patients with primary open-angle glaucoma, not sufficiently treated with local antiglaucomatous therapy, were included in this prospective study. Intraocular pressure (IOP), anterior chamber cells, anterior chamber flare, and vitreous haze (according to the Standardization of Uveitis Nomenclature Working Group) were examined before SLT, for 24 hours, 14 days, 6 weeks, and 3 months after laser. Furthermore, macular thickness measurements in 9 Early Treatment Diabetic Retinopathy Study subfields, including central subfield, measured by Spectralis OCT were performed. The differences between prelaser and postlaser values were obtained.

Results:

The average of mean preoperative IOP measurement was 19.1±3.972 mm Hg compared with 12.9±2.513 (P<0.001), 13.2±3.331 (P<0.001), 14.1±2.731 (P<0.001), and 13.9±2.922 mm Hg (P<0.001) 24 hours, 14 days, 6 weeks, and 3 months post-SLT, respectively. The central subfield preoperatively was 278.14±74.355 µm compared with 277.14±71.461 (P=0.177), 277.14±71.461 (P=0.354), 287.34±74.363 (P=0.414), and 257.45±68.431 µm (P=0.214) 24 hours, 14 days, 6 weeks, and 3 months after treatment. Anterior chamber cells, anterior chamber flare, and vitreous haze were not denoted at any time of examination.

Conclusions:

In this study, no significant increase in macular thickness and no other adverse effects were present. Furthermore, SLT was found to significantly lower IOP in glaucoma patients in addition to local therapy. In conclusion, SLT has a good ability to reduce IOP with a minor risk of adverse effects.

Copyright © 2012 by Lippincott Williams & Wilkins

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