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Treatment of refractory amblyopia with levodopa associated with full-time occlusion in the dominant eye / Tratamento da ambliopia refratária com o uso de levodopa associada à oclusão total do olho dominante
Ribeiro, Mariana Zaira Moraes Lima; Lucena, Ana Regina Vieira Peixoto e; Department of OphthalmologyDutra, Barbara de Araujo Lima; Department of OphthalmologyCrispim, Joao; Travassos, Simone Benvindo.
  • Ribeiro, Mariana Zaira Moraes Lima; Fundacao Altino Ventura. Department of Ophthalmology. Recife. BR
  • Lucena, Ana Regina Vieira Peixoto e; Fundacao Altino Ventura. Department of Ophthalmology. Recife. BR
  • Department of OphthalmologyDutra, Barbara de Araujo Lima; Centro Universitario Christus. Instituto Cearense de Oftalmologia. Department of OphthalmologyDutra, Barbara de Araujo Lima. Fortaleza. BR
  • Department of OphthalmologyCrispim, Joao; Centro Universitario Christus. Instituto Cearense de Oftalmologia. Department of OphthalmologyCrispim, Joao. Fortaleza. BR
  • Travassos, Simone Benvindo; Fundacao Altino Ventura. Department of Ophthalmology. Recife. BR
Rev. bras. oftalmol ; 78(6): 389-393, nov.-dez. 2019. tab, graf
Article in English | LILACS | ID: biblio-1057911
ABSTRACT
Abstract Purpose: To evaluate visual outcomes of levodopa treatment associated with full occlusion of the dominant eye in patients with refractory amblyopia. Methods: A prospective study of 19 attended patients who were subject to treatment with Levodopa and Carbidopa on doses of 0.7mg/kg/day, a ratio of 4:1 divided into three daily doses for 5 weeks, combined with full occlusion (24 hours/day) of the dominant eye. The ophthalmologic exam from previous consultations up to treatment and after 8 weeks of therapy were collected from medical record data. Patients who had completed treatment for more than 12 months were included for complete eye examination. Results: The mean age before treatment with levodopa was 11.0 ± 4.2 years old (varying from 7 to 23 years). The best-corrected visual acuity (Snellen chart) of the amblyopic eye before treatment was 0.24 (0.6 in logMAR) ± 0.16, after 8 weeks of treatment it was 0.47(0.3 in logMAR) ± 0.33, while during the final evaluation it was 0.46 (0.3 in logMAR) ± 0.34. There was a statistically significant improvement in vision after 8 weeks of therapy which was maintained until the final evaluation (p = 0.007). Conclusion: Levodopa/Carbidopa therapyat doses of 0.7 mg/kg/day at a ratio of 4:1 divided in three daily doses, associated with full occlusion of the dominant eye during 5 weeks had a significant improvement on the visual acuity of the amblyopic eye, and persisted up to 1 year after the treatment.
RESUMO
Resumo Objetivo: Avaliar os resultados visuais do tratamento com levodopa associada à oclusão total do olho dominante em pacientes amblíopes. Métodos: Estudo prospectivo de 19 pacientes atendidos e submetidos ao tratamento com levodopa e carbidopa na dose de 0,7 mg/kg/dia e proporção de 4:1, divididos em três doses diárias, durante cinco semanas, combinada a oclusão total (24 horas/dia) do olho dominante. Foram coletados dados do prontuário referentes ao exame oftalmológico da consulta anterior ao tratamento e após 8 semanas de terapia. Os pacientes com término do tratamento com mais de 12 meses foram reconvocados para exame oftalmológico completo. Resultados: A média de idade dos pacientes previamente ao tratamento com levodopa foi de 11,0 ± 4,2 anos (variando de 7 a 23 anos). A acuidade visual melhor corrigida (Snellen) do olho amblíope antes do tratamento foi de 0,24 (0,6 em logMAR) ± 0,16, após 8 semanas de tratamento foi de 0,47 (0,3 em logMAR) ± 0,33 e na avaliação final foi de 0,46 (0,3 em logMAR) ± 0,34. Houve melhora estatisticamente significante da visão após 8 semanas de tratamento que se manteve até a avaliação final (p = 0,007) Conclusão: A terapia com levodopa/carbidopa em doses de 0,7mg/kg/dia na proporção de 4:1 dividida em três doses diárias, associada à oclusão total do olho dominante durante 5 semanas, apresentou uma melhora significativa na acuidade visual do olho ambliópico e persistiu até 1 ano após o tratamento.
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Full text: Available Index: LILACS (Americas) Main subject: Sensory Deprivation / Carbidopa / Levodopa / Amblyopia / Combined Modality Therapy Type of study: Observational study / Risk factors Limits: Adolescent / Adult / Child / Female / Humans / Male Language: English Journal: Rev. bras. oftalmol Journal subject: Ophthalmology Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Centro Universitario Christus/BR / Fundacao Altino Ventura/BR

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Full text: Available Index: LILACS (Americas) Main subject: Sensory Deprivation / Carbidopa / Levodopa / Amblyopia / Combined Modality Therapy Type of study: Observational study / Risk factors Limits: Adolescent / Adult / Child / Female / Humans / Male Language: English Journal: Rev. bras. oftalmol Journal subject: Ophthalmology Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Centro Universitario Christus/BR / Fundacao Altino Ventura/BR