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Albert S. Khouri, Tamara L. Berezina, Barry Maltzman, Robert D. Fechtner; Long Term IOP Reduction after Second and Third Repeat Selective Laser Trabeculoplasty. Invest. Ophthalmol. Vis. Sci. 2011;52(14):2610.
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To study long term intraocular pressure (IOP) reduction after2nd and 3rd repeat selective laser trabeculoplasty (SLT).
Single site retrospective electronic medical records reviewof patients with open angle glaucoma undergoing 2nd and 3rdrepeat SLT for IOP reduction between 5/2003 & 5/2010. Eyeswith prior argon laser trabeculoplasty, or glaucoma incisionalsurgery were excluded. Demographics, laser parameters, numberof glaucoma medications and IOP at baseline, 1, 4, 8, 12, 18,24 m post operation (p/o) were collected. Percent of eyes withIOP reduction ≥20% from baseline was determined. Means, standarddeviation, one way ANOVA followed by Tukey's test were usedfor analysis.
A total of 45 eyes with 2nd SLT (25 subjects, mean age 73 y)were included. 2nd SLT was performed a mean of 28.3 ±12.7 m after the 1st. 3rd SLT (20 eyes, 11 subjects, mean age76 y) was performed 30.6 ± 13.6 m after 2nd SLT. IOPreductions were significant with1st, 2nd and 3rd SLT comparedto baseline (Table1). Mean numbers of glaucoma medications for2nd and 3rd SLT at baseline and up to 24 m were not significantlydifferent. Percent eyes achieving an IOP reduction ≥ 20% for1st SLT, 2nd and 3rd repeat SLT are included in Table 2.
We found 2nd and 3rd repeat SLT reduced IOP. Long term IOP reductionwas achieved with 2nd and 3rd repeat SLT in this cohort of patients.
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