Abstract
This study aims to compare the results of trabectome surgery between surgery-naïve eyes and eyes that have previously undergone incisional surgery. Prospective data was collected on the first 20 cases of each new trabectome surgeon. This trabectome dataset was used to create two groups of subjects: surgery-naïve eyes versus eyes with prior incisional surgery. A total of 2,051 eyes were included in the study. These two groups were further broken down into the subtype of glaucoma (primary open angle glaucoma, pigmentary, pseudoexfoliation, uveitic and steroid-induced glaucoma). At 12- and 36-months follow up, success rates, intraocular pressure (IOP) reduction and medication usage were compared between the groups using the Tube versus Trabeculectomy Study criteria for defining success. At 36 months, the IOP of the virgin eyes and the previously operated eyes was 16.3 mmHg versus 15.8 mmHg, respectively. This difference was not statistically significant (p<0.05). Trabectome outcomes are similar in eyes with a history of prior incisional surgery (including failed glaucoma procedures) compared with those that are surgery-naive.
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