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Outcomes of sclerokeratoplasty in severe ocular surface disease
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DOI：10.1038/s41598-024-76033-5.png)
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Abstract
En 中文
Sclerocorneal grafts are procedures considered in cases with extensive corneal and scleral tissue destruction. The study aims to describe sclerokeratoplasty outcomes in severely diseased eyes. We performed a retrospective review of clinical records. Demographic characteristics, medical history, surgical indications, aetiology of perforation, visual outcomes, complications associated with the surgical procedure, and ocular integrity at the end of the follow-up were obtained. Wilcoxon-signed rank tests and Mann-Whitney tests were used to compare complications between groups and outcomes at final follow-up. Survival analysis was performed to analyse vision preservation and global integrity and presented in Kaplan-Meier curves. 40 eyes from 40 patients with a mean age of 48.83 +/- 18.85 years and a mean follow-up of 21.13 +/- 33.92 months were included in the study. Median corrected visual acuity before and after the procedure remained at 2.8 logMAR. Twenty-seven eyes presented complications. The most common complications were a persistent epithelial defect in 11, hypertension in 10, and perforation in 8 eyes. More than half of the eyes (67.5%) presented with either one or more of all complications after corneoscleral graft. No significant differences were found regarding age, gender, or DM history. Concerning perforation, a significant difference was found between infectious and non-infectious only in the presentation of ocular hypertension (p = 0.048). Vision was preserved in 72.5% of the eyes, with a median survival probability of 4.12 years. Preservation of the ocular integrity was achieved in 85% of the eyes, with a median survival probability of 12 years. Sclerokeratoplasty despite being challenging and technically demanding followed by defiant complications, in some situations such as infectious keratitis and autoimmune diseases, is likely a procedure that salvages the eye and preserves vision.
Keywords:
Sclerokeratoplasty
Ocular surface disease
Ocular perforation
Corneal transplantation
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