Abstract
To describe the frequency, clinical presentation, and outcomes of neurotrophic keratopathy (NK). Retrospective cohort study of Kaiser Permanente Northern California patients diagnosed with NK using ICD-10 code H16.23X from October 1, 2016 through May 31, 2021 was conducted. The electronic medical record was used to obtain demographic information, systemic and ocular comorbidities, corrected distance visual acuity (CDVA), Mackie stage, laterality, etiology, complications, interventions, and medications. The data were analyzed using cross-tabulations. 354 eyes in 322 patients presented with an initial or recurrent episode of NK. 9.9% had bilateral NK, 40% were 75 years and older, and 55% were women. Baseline vision was worse than 20/100 in 47.5%. Mackie staging was stage 1 in 37.3%, stage 2 in 32.5%, and stage 3 in 30.2%. Herpetic causes comprised 34.9%, followed by diabetes (12.4%), ocular surgery (10.4%), and central nervous system etiologies (9.0%). Topical antibiotics (74.5%), steroids (54.0%), autologous serum tears (46.0%), and oral antivirals (43.8%) were the most used treatments. There were 8 eyes with perforation, 4 endophthalmitis, and 3 evisceration/enucleations. An increased difference of approximately 0.1 logMAR in CDVA in the affected eye compared with the unaffected eye over one year was not statistically significant. Clinic utilization for stage 2 (average visits per month, 3.2) and stage 3 (5.0) NK gradually decreased over 6 months. Summary of the current management, outcomes, and healthcare utilization of NK provides valuable benchmarks in assessing the disease burden in the community and for further development of novel therapies.
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