Comparação entre as medidas lineares da relação escavação/disco óptico obtidas com o OCT RTVue e a retinografia digital

• Ano de defesa: 2014
• Autor(a) principal: Ribeiro Junior, Valdenir
• Orientador(a): Silva, Leopoldo Magacho dos Santos
• Banca de defesa: Silva, Leopoldo Magacho dos Santos, Isaac, David Leonardo Cruvinel, Carneiro, Haroldo Maciel, Carvalho, Roberto Murillo Limongi de Souza
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Goiás
• Programa de Pós-Graduação: Programa de Pós-graduação em Ciências da Saúde (FM)
• Departamento: Faculdade de Medicina - FM (RG)
• País: Brasil
• Palavras-chave em Português: Disco óptico; Escavação; Glaucoma; RTVue; Retinografia
• Palavras-chave em Inglês: Óptic Disc; Cup-to-disc ratio; Retinography
• Área do conhecimento CNPq: CIENCIAS DA SAUDE
• Link de acesso: http://repositorio.bc.ufg.br/tede/handle/tede/4504

The purpose of this study was to compare the linear measurements of the optic disc cup, obtained by RTVue OCT with those obtained by Digital Retinography. It is a cross-sectional retrospective study, conducted at VER Hospital - Excellence in Ophthalmology. Was used images from digital retinography and OCT scans obtained by an RTVue device. In the color retinography, the greatest horizontal and vertical diameters of the optic disc from the inner edge of the Elschnig ring were obtained by a pachymeter with 0.01 mm. In OCT, the delineation of optic nerve was obtained automatically and from the results the horizontal and vertical diameters of the excavation were recorded. One hundred eyes of 100 subjects were included, with a mean age of 60.1 ± 15.7 years. Of these, 79 were of the right eye and 21 the left eye, 61 men and 39 women. It was found that the mean of the horizontal excavation obtained by the OCT was 0.91 ± 0.10, while that obtained by angiography was 0.79 ± 0.11 (p <0.01). It was concluded that there was no agreement between the evaluated methods to quantify the measurements of optic disc cup excavations. Measures obtained automatically by OCT RTVue of the OD were higher, but significantly correlated with measurements obtained manually by Digital Retinography. Poor agreement of the optic disc parameters between the two imaging devices was noted.