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Title: Long-term result of autologous cultivated oral mucosal epithelial transplantation for severe ocular surface disease
Authors: Pinnita Prabhasawat
Pattama Ekpo
Mongkol Uiprasertkul
Suksri Chotikavanich
Nattaporn Tesavibul
Kanograt Pornpanich
Panitee Luemsamran
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology;Engineering;Materials Science;Medicine
Issue Date: 1-Sep-2016
Citation: Cell and Tissue Banking. Vol.17, No.3 (2016), 491-503
Abstract: © 2016, Springer Science+Business Media Dordrecht. The present study aimed to investigate the clinical outcomes of autologous cultivated oral mucosal epithelial transplantation (COMET) on human amniotic membrane (AM) for corneal limbal stem cell deficiency (LSCD). In this prospective, noncomparative case series, 20 eyes (18 patients) with bilateral severe ocular surface disease were chosen to undergo COMET on human AM. The primary outcome was clinical success, and the secondary outcomes were the best-corrected visual acuity difference, corneal opacification, symblepharon formation, and complications. The mean patient age was 48.2 ± 15.5 years. The mean follow-up time was 31.9 ± 12.1 months (range 8–50 months). All except one eye exhibited complete epithelialization within the first postoperative week. A successful clinical outcome, defined as a stable ocular surface without epithelial defects, a clear cornea without fibrovascular tissue invasion at the pupillary area, and no or mild ocular surface inflammation, was obtained in 15 of 20 eyes (75 %). The clinical success rate at 1 year was 79.3 %, and that at 4 years (end of follow-up) was 70.5 %. Fourteen of 20 (70 %) eyes exhibited improvement in visual acuity after COMET, and some required subsequent cataract surgery (2 eyes), penetrating keratoplasty (3 eyes), or keratoprosthesis implantation (1 eye). Preoperative symblepharon was eliminated in most eyes (8 of 13, 61.5 %) after COMET combined with eyelid reconstruction when needed. The only complication was corneal perforation (1 eye) induced by a severe eyelid abnormality; treatment with a tectonic corneal graft was successful. COMET can successfully restore ocular surface damage in most eyes with corneal LSCD.
ISSN: 15736814
Appears in Collections:Scopus 2016-2017

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