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Current review of Excimer laser Trabeculostomy
摘要： Background: Excimer laser trabeculostomy (ELT) is a microinvasive glaucoma surgery (MIGS) that creates multiple laser channels through the trabecular meshwork using a cold laser system, which minimizes tissue fibrosis and aids in bypassing the main area of resistance to aqueous outflow. The purpose of this review is to evaluate the current body of evidence surrounding ELT in terms of efficacy and review the safety profile of the procedure. Main text: Studies screened had to show clear inclusion and exclusion criteria as well as well-defined outcome measures. PubMed, MEDLINE, EMBASE and the Cochrane Controlled Trial Database were searched. Preferred Reporting Items of Systematic Reviews (PRISMA) guidelines were used to assess for study quality and for any bias. Sixty-four articles were initially identified with 18 meeting preliminary screening criteria. Ultimately, 8 studies met inclusion criteria and 2 additional non-referenced publications were also included: 1 randomized control trial, 4 prospective case series and 5 retrospective studies. Overall studies showed moderate intraocular pressure (IOP) lowering of between 20% and 40% from baseline without medication washout and mostly a decrease in glaucoma medications with few complications. Conclusion: Current literature shows a significant IOP-lowering effect of ELT with a favorable safety-profile in standalone cases or combined with cataract surgery. Limitations to these studies are the lack of controls and washout IOP. Overall, ELT is an attractive MIGS option that does not require any residual device remaining in the angle.
关键词： Excimer laser trabeculostomy,ELT,Trabeculotomy,MIGS,Cataract,Intraocular pressure,Glaucoma
更新于2025-09-23 15:21:01
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Success of combined cataract extraction plus excimer laser trabeculotomy exceeds that of combined ab interno trabeculectomy with the trabectome or cataract extraction alone
摘要： Purpose To determine the efficacy of cataract surgery alone and combined with two minimally invasive glaucoma surgery (MIGS) procedures (phaco-ELT and phaco-aiT). Methods Data was collected from 12/2007 to 02/2012 in this retrospective, non-randomized, comparative single surgery center study. Reduction in IOP and hypotensive medication (AGD), change in visual acuity, success rates, and complications were computed by comparing preoperative data with data at 1 year postoperatively. Results A total of 245 eyes of 245 subjects were included. Study eyes underwent phaco alone (38 eye) or combined phaco-ELT (105 eye) and phaco-aiT (102 eye). Phaco alone, combined phaco-ELT, and combined phaco-aiT lowered IOP by 1.5 ± 4.0 mmHg, 4.3 ± 5.6, and 5.3 ± 4.5 mmHg, respectively (P < 0.01). Survival time of phaco-ELT outreached survival time of phaco alone and combined phaco-aiT (20.6 ± 1.0 vs. 13.2 ± 0.4 and 12.9 ± 0.6 month, respectively). No serious complications or adverse events occurred. None of the cases required a subsequent procedure within the first year to lower IOP further. Conclusions All three surgical procedures lowered IOP and reduced medication. However, the IOP-lowering efficacy of the two combined MIGS procedures exceeded the effect of phaco alone. A combined phaco and MIGS procedures seem reasonable to consider whenever a cataract surgery in an eye with glaucoma or ocular hypertension is considered. In addition, the combined MIGS procedure effectively lowers IOP whenever a target IOP in the mid-teens is sufficient. In this study, the nonthermal phaco-ELT procedure showed superior efficacy at 1 year over phaco alone and phaco-aiT in the Kaplan–Meier statistics.
关键词： Cataract,Excimer laser trabeculostomy,Glaucoma,Excimer laser trabeculotomy,Ab interno trabeculotomy with the trabectome,Minimally invasive glaucoma surgery
更新于2025-09-16 10:30:52