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Archivos de la Sociedad Española de Oftalmología
versão impressa ISSN 0365-6691
Resumo
ALVARADO VALERO, MC et al. Treatment of persistent epithelial defects using autologous serum application. Arch Soc Esp Oftalmol [online]. 2004, vol.79, n.11, pp.537-542. ISSN 0365-6691.
Purpose: To study the impact of topical treatment with autologous serum on the clinical evolution of persistent corneal epithelial defects (PED) and to observe its effect on squamous metaplasia in 7 cases of dry eye. Patients and methods: In this prospective, clinical, non-comparative case series study we evaluated a total of 17 eyes (14 patients). We analized the clinical evolution (fluorescein staining, Schirmer's I and II tests and photographic control) of PED in these patients, to whom 20% autologous serum eyedrops were applied for 28 days. Using impression cytology technique (Tseng's method) we evaluated the involution of squamous metaplasia in 7 eyes of 4 patients with ocular cicatricial pemphigoid and dry eye who were treated with autologous serum. The Wilconxon test was used for the statistical treatment of the data. Results: The epithelial defect healed within 2 weeks in 6 eyes (35.2%). Eight eyes (47%) healed within 2-4 weeks and 3 eyes (17.6%) did not heal after week 4. The duration of PED, before serum therapy was 36 days. Six of seven eyes treated with autologous serum presented an involution of squamous metaplasia 28 days after initiation of the serum drops. Conclusions: Autologous serum treatment accelerates PED healing. Autologous serum application causes an involution of squamous metaplasia.
Palavras-chave : Autologous serum; persistent epithelial defect; dry eye; squamous metaplasia; impression cytology.