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Corneal Endothelial Transplantation in Uveitis: Incidence and Risk Factors.

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PURPOSE To estimate the incidence of corneal endothelial transplantation and identify risk factors among patients with non-infectious ocular inflammation. DESIGN Retrospective cohort study. METHODS Adult patients attending United States tertiary… Click to show full abstract

PURPOSE To estimate the incidence of corneal endothelial transplantation and identify risk factors among patients with non-infectious ocular inflammation. DESIGN Retrospective cohort study. METHODS Adult patients attending United States tertiary uveitis care facilities diagnosed with non-infectious ocular inflammation were identified from the Systemic Immunosuppressive Therapy for Eye Diseases Cohort Study. Time-to-event analysis was used to estimate the incidence of corneal endothelial transplantation (CET), including penetrating keratoplasty, Descemet stripping endothelial keratoplasty, or Descemet Membrane Endothelial Keratoplasty procedures. The incidence of CET was calculated; potential risk factors for CET were also evaluated using Cox regression, accounting for correlation between eyes of the same patient. RESULTS Overall, 14,264 eyes met eligibility criteria for this analysis with a median follow-up 1.8 eye-years. The Kaplan-Meier estimated incidence of CET within 10 years was 1.10% (95% CI, 0.68%-1.53%). Risk factors for CET included age >60 years vs. <40 years (aHR 16.5; 95% CI,4.70-57.9), anterior uveitis and scleritis vs. other types (aHR 2.97; 95% CI, 1.46-6.05 and aHR 4.14; 95% CI,1.28-13.4, respectively), topical corticosteroid treatment (aHR 2.84; 95% CI, 1.32-6.13), cataract surgery (aHR 4.44; 95% CI, 1.73-11.4), tube shunt surgery (aHR 11.9; 95% CI, 5.30-26.8), band keratopathy (aHR 5.12; 95% CI, 2.34-11.2), and hypotony (aHR 7.38; 95% CI, 3.14-17.4). Duration of uveitis, trabeculectomy, PAS, and ocular hypertension had no significant association after multivariate adjustment. CONCLUSIONS In patients with ocular inflammation, CET occurred infrequently. Tube shunt surgery, hypotony, band keratopathy, cataract surgery, and anterior segment inflammation were associated with increased risk of undergoing corneal endothelial transplantation; these factors likely are associated with endothelial cell damage.

Keywords: incidence; corneal endothelial; risk factors; endothelial transplantation

Journal Title: American journal of ophthalmology
Year Published: 2021

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