Abstract
ObjectiveTo report the results using Micropulse® transscleral cyclophotocoagulation (Iridex) in the treatment of glaucoma. MethodsRetrospective study in adult patients with glaucoma with at least 6 months of follow-up, and only one session of Micropulse®. The same surgical technique was used in all cases. The only laser parameter that could vary was the total treatment duration (in seconds). The remaining parameters were fixed at 2 Watts of power and 0.5ms (31.3%) of active cycle. ResultsA total of 22 eyes of 17 patients with glaucoma of various types and stages were included (mainly congenital and pseudoexfoliation). The mean follow-up time was 7.9 months. The total treatment duration varied from 100 to 180seconds.Definition of success: 5mmHg <Intraocular pressure (IOP)<21mmHg and a reduction of ≥20% of the baseline value and no addition of oral carbonic anhydrase inhibitors, and no re-operation.The overall success rate was 72.7% in the first month, 54% at 4 months, 41% at 6 months, and 27.3% at final follow-up. Patients with longer treatment durations (180s) achieved better results. The mean reduction in IOP in successful eyes was 36% (from 26.3 to 16.7mmHg, SD 4.58, P=.028). No complications were reported. ConclusionsIn a heterogeneous population of glaucoma (mostly congenital and pseudoexfoliation types), a low success rate (27.3%) was obtained in the medium-term with a single session of Micropulse®.
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