Abstract
AimTo identify the ideal treatment protocol and success predictors for double-session micropulse transscleral (MP3) laser for glaucoma management.Materials and methodsPatients who underwent double-session MP3, with a minimum follow-up of 6 months, were retrospectively investigated. Logistic regression analysis was used to verify preoperative success predictors. The following comparisons were made: (1) Between eyes that obtained surgical success vs failure, (2) According to the time required for MP3, and (3) Considering only eyes that required retreatment.ResultsA total of 191 eyes from 148 patients were included. The preoperative intraocular pressure (IOP) was significantly higher than at last follow-up visit (27.3 ± 6.9 vs 14.6 ± 6.0 mm Hg, p < 0.001). Success was observed in 90.5% of the eyes. On logistic regression analysis with preoperative IOP and MP3 time as independent variables, only previous IOP was identified as a statistically significant factor (p = 0.004), with lower IOP relating to higher success. Eyes that required lower MP3 time underwent more MP3 procedures than those with higher MP3 time (1.2 ± 0.5 vs 1.1 ± 0.3, p = 0.03). In the 36 eyes that underwent retreatment, preoperative IOP was higher (31.6 ± 7.4 vs 26.3 ± 6.4 mm Hg, p < 0.001); eyes with successful IOP treatment had a higher MP3 treatment time at the first surgery than eyes with failed IOP correction (364.1 ± 68.2 vs 330.0 ± 18.0 seconds, p = 0.02).ConclusionThus, an ideal double-session MP3 protocol should use a high laser energy at the first surgery, and a high preoperative IOP can be considered as a predictor of surgical failure.Clinical significanceThis is the first study to give special attention to the double-session MP3 protocol and success predictors.How to cite this articleMagacho L, Lima FE, Ávila MP. Estimating the Ideal Treatment Protocol and Success Predictors for Double-session Micropulse Transscleral Laser for Glaucoma Management. J Curr Glaucoma Pract 2022;16(2):111-116.
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