Incidence, etiology, and risk factors for tube explantation in patients undergoing patch-free glaucoma drainage device.

Purpose: To report the incidence, etiology, and risk factors for tube explantation in patients undergoing patch-free glaucoma drainage device (GDD).

Methods: Of the total 1303 patients who underwent patch-free GDD (703 non-valved GDD and 600 valved GDD) for refractory glaucoma during January 2020-October 2023, we identified five cases of postoperative complications following GDD that required tube or shunt removal.

Results: Median (IQR) age of our study cohorts was 54.