J Korean Ophthalmol Soc.  2014 Sep;55(9):1347-1354. 10.3341/jkos.2014.55.9.1347.

Long-Term Outcomes and Predictive Factors for Success of Selective Laser Trabeculoplasty

Affiliations
  • 1Department of Ophthalmology and Visual Science, Yeouido St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea. marypark@catholic.ac.kr

Abstract

PURPOSE
To investigate long-term outcomes and predictive success factors for selective laser trabeculoplasty (SLT).
METHODS
This retrospective chart review included 66 eyes of 66 glaucoma or ocular hypertension patients who underwent SLT between 2004 and 2011. All patients were followed-up for at least 2 years after the procedure. The intraocular pressure (IOP) was measured before the treatment, at postoperative 1 week, 1 month and every 3 months thereafter. Success was defined as an IOP decrease > or = 3 mm Hg or > or = 20% of the pretreatment IOP. The success rate was determined based on the Kaplan-Meier survival analysis. The predictive success factors were analyzed using the Cox proportional hazard model.
RESULTS
The mean follow-up period was 4.78 +/- 1.98 (2-8) years. The mean pretreatment IOP was 23.79 +/- 2.83 mm Hg. The mean IOP reduction was 6.64 +/- 3.21 mm Hg. The success rates were 80%, 75%, 69%, 63%, 50%, 45%, and 42% after 1, 2, 3, 4, 5, 6, and 7 years, respectively. Only high pretreatment IOP was significantly correlated with success (p = 0.044).
CONCLUSIONS
SLT was an effective tool for lowering IOP in glaucoma patients. Higher pretreatment IOP was a predictive success factor.

Keyword

Glaucoma; Intraocular pressure; Predictive factor; Selective laser trabeculoplasty (SLT); Success rate

MeSH Terms

Follow-Up Studies
Glaucoma
Humans
Intraocular Pressure
Ocular Hypertension
Proportional Hazards Models
Retrospective Studies
Trabeculectomy*
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