Amniotic membrane transplantation in acute toxic epidermal necrolysis: histopathologic changes and ocular surface features after 1-year follow-up
2014
PurposeTo evaluate ocular features and histopathologic changes in patients with toxic epidermal necrolysis (TEN) treated with amniotic membrane transplantation (AMT) in the acute phase.MethodsA prospective study of 5 eyes (3 patients) with severe ocular involvement and 4 eyes (2 patients) with moderate involvement treated with AMT in the acute phase of TEN was performed. Patients underwent a complete ophthalmic assessment before the intervention and 3, 6, 9, and 12 months postoperatively. Tear film break-up time (BUT), Schirmer test, fluorescein_staining, corneal and conjunctival epithelial squamous metaplasia, ocular sequelae, and conjunctival retraction were measured.ResultsIn patients with severe involvement, 2 eyes (40%) showed mild symblepharon and peripheral corneal neovascularization, and corneal epithelial defects, lid margin malposition, and trichiasis was found in 20% of the eyes; only 1 eye (20%) required surgery for structural defects. We did not find ocular sequelae after 1-year follow-up in ...
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