International journal of ophthalmology · 2019
Efficacy of low-energy selective laser trabeculoplasty on the treatment of primary open angle glaucoma.
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Xu Li, Yu Ru-Jing, Ding Xu-Ming, Li Mao, Wu Yue, Zhu Li, Chen Di, Peng Cheng, Zeng Chang-Juan, Guo Wen-Yi
Аннотация
AIM: To investigate the efficacy of low-energy selective laser trabeculoplasty (SLT) on the treatment of primary open angle glaucoma (POAG) patients.
METHODS: Outpatients with POAG who underwent 360-degree SLT using an initial energy of 0.3 mJ (total energy of 30-40 mJ) were reviewed retrospectively from September 2011 to January 2018.
RESULTS: Eight-six eyes of 44 POAG patients underwent 360-degree SLT using initial energy of 0.3 mJ and were followed up regularly. The total energy used was 32.5±2.5 mJ (23-40 mJ, 105±6 spots). The average pretreatment intraocular pressure (IOP) was 19.8±3.9 mm Hg. At 1, 3, 6mo, 1, and 2y, the post-SLT IOPs (mm Hg) were 16.9±3.3, 16.5±3.3, 17.1±3.4, 16.6±3.5, 16.5±2.8, which were significantly lower than that before treatment (P<0.001). The patients in the SLT success group were found to be younger than those in the SLT failure group. After SLT, 59 eyes that maintained pretreatment medications were defined as the drug retention group. The pre-SLT IOP was 20.1±3.7 mm Hg. At 1, 3, 6mo, 1, and 2y, the post-SLT IOPs (mm Hg) were 17.3±3.6, 16.6±3.5, 17.2±3.6, 16.9±3.8 and 16.5±2.9, respectively. Twenty-seven eyes that required reduced drugs were defined as the drug reduction group. The pre-SLT IOP was 19.2±4.4 mm Hg. At 1, 3, 6mo, 1, and 2y, the post-SLT IOPs (mm Hg) were 16.1±2.6, 16.5±3.1, 16.8±2.9, 16.0±2.6 and 16.3±2.4, respectively. Compared with the pretreatment IOPs, the post-SLT IOPs were significantly lower in drug retention group and drug reduction group. The patients in the drug reduction group were found to be younger than those in the drug retention group.
CONCLUSION: Low-energy SLT is safe and effective for POAG patients during a 2-year follow-up. Younger POAG patients may obtain better results after low-energy SLT treatment.
METHODS: Outpatients with POAG who underwent 360-degree SLT using an initial energy of 0.3 mJ (total energy of 30-40 mJ) were reviewed retrospectively from September 2011 to January 2018.
RESULTS: Eight-six eyes of 44 POAG patients underwent 360-degree SLT using initial energy of 0.3 mJ and were followed up regularly. The total energy used was 32.5±2.5 mJ (23-40 mJ, 105±6 spots). The average pretreatment intraocular pressure (IOP) was 19.8±3.9 mm Hg. At 1, 3, 6mo, 1, and 2y, the post-SLT IOPs (mm Hg) were 16.9±3.3, 16.5±3.3, 17.1±3.4, 16.6±3.5, 16.5±2.8, which were significantly lower than that before treatment (P<0.001). The patients in the SLT success group were found to be younger than those in the SLT failure group. After SLT, 59 eyes that maintained pretreatment medications were defined as the drug retention group. The pre-SLT IOP was 20.1±3.7 mm Hg. At 1, 3, 6mo, 1, and 2y, the post-SLT IOPs (mm Hg) were 17.3±3.6, 16.6±3.5, 17.2±3.6, 16.9±3.8 and 16.5±2.9, respectively. Twenty-seven eyes that required reduced drugs were defined as the drug reduction group. The pre-SLT IOP was 19.2±4.4 mm Hg. At 1, 3, 6mo, 1, and 2y, the post-SLT IOPs (mm Hg) were 16.1±2.6, 16.5±3.1, 16.8±2.9, 16.0±2.6 and 16.3±2.4, respectively. Compared with the pretreatment IOPs, the post-SLT IOPs were significantly lower in drug retention group and drug reduction group. The patients in the drug reduction group were found to be younger than those in the drug retention group.
CONCLUSION: Low-energy SLT is safe and effective for POAG patients during a 2-year follow-up. Younger POAG patients may obtain better results after low-energy SLT treatment.