Nevertheless, performing endothelial keratoplasty in some scenarios continues to be challenging. Physicians and patients should be cognizant of the high likelihood of graft failure in this setting.Įndothelial keratoplasty has become the treatment of choice for corneal endothelial cell failure and continues to evolve as more data on surgical outcomes become available. In eyes with previous glaucoma surgery, DMEK has good early outcomes, but longer-term rejection and failure rates are high. Endothelial cell loss in the study group was 12%-22% higher than the control group at 12, 24, 36, and 48 months ( P =. Rejection rates in the study and control groups were 19.6% and 2.3%, respectively ( P =. Survival curves of study subgroups (GDD and no GDD) were significantly lower than the control group ( P <. Graft survival probability of the study group at 12, 24, 36, and 48 months was 75%, 60%, 43%, and 27%, respectively, compared with a consistent 88% in the control group ( P <. The mean follow-up was 37.9 ± 15.2 and 33.8 ± 13.5 months, respectively ( P =. There were 51 eyes of 49 patients in the study group (GDD = 32 eyes, no GDD = 19 eyes) and 43 eyes of 42 patients in the control group. Ninety-four eyes of 91 patients were included. Subgroup analysis compared eyes with and without a GDD. Primary outcomes included graft survival and rejection rates, and secondary outcomes included rates of detachment/rebubble, endothelial cell loss, best spectacle-corrected visual acuity, intraocular pressure, and glaucoma medications/surgeries. Patients with previous trabeculectomy or glaucoma drainage device (GDD) implantation who later underwent DMEK (study group) were matched for follow-up duration with Fuchs dystrophy DMEK patients (control group). To evaluate 4-year outcomes of Descemet membrane endothelial keratoplasty (DMEK) in eyes with previous glaucoma surgery.
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