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Japanese

Efficacy of retreatment for eyes with a history of selective laser trabeculoplasty treatment Tomoharu Nishimura 1,2 , Shinichiro Yoshida 1 , Kosuke Sato 1 , Yukihiro Horie 1 , Keita Misu 2 , Shinya Inoue 2 , Eiki Oshida 2 , Shigeki Machida 2 1Yoshida Ophthalmic Hispital 2Department of Ophthalmology, Dokkyo Medical University, Saitama Medical Center pp.299-306
Published Date 2025/3/15
DOI https://doi.org/10.11477/mf.037055790790030299
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Abstract Purpose:The aim of this study was to investigate the difference in efficacy and risk between the first and second selective laser trabeculoplasty(SLT)treatments.

Subjects and method:The study subjects were 32 eyes(23 with primary open-angle glaucoma, 7 with normal-tension glaucoma, and 2 with pseudoexfoliation glaucoma)of 28 patients with open-angle glaucoma who had a history of SLT treatment more than 1 year ago and underwent a second SLT treatment. We compared the values and rates of intraocular pressure(IOP)reduction and complication 2 weeks, 1 month, and 3 months after the first and second treatments.

Results:The IOP before retreatment was 18.2±4.3 mmHg. The values and rates of IOP reduction 2 weeks, 1 month, and 3 months after retreatment were 2.2±3.1(10±14), 1.7±2.4(9±13), and 1.1±3.1(4.5±16)mmHg(%), respectively. If a reduction in IOP of 10% or more was defined as effective 3 months after retreatment, 14 eyes(44%)met this condition. However, based on a reduction in IOP of 2.4±4.0 mmHg(10±19%)3 months after the initial treatment, the effect of reducing IOP 3 months after retreatment was significantly weakened(p<0.05). There was no significant decrease in the number of corneal endothelial cells after retreatment, and no other complications were observed with SLT retreatment.

Conclusion:Retreatment with SLT performed at an interval of more than 1 year safely reduced IOP. However, the effective period of retreatment may be shorter than the initial treatment.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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