J Telemed Telecare - Fundus autofluorescence and colour fundus imaging compared during telemedicine screening in patients with diabetes.

Tópicos

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Resumo

We investigated the use of fundus autofluorescence (FAF) imaging in screening the eyes of patients with diabetes. Images were obtained from 50 patients with type 2 diabetes undergoing telemedicine screening with colour fundus imaging. The colour and FAF images were obtained with a 15.1 megapixel non-mydriatic retinal camera. Colour and FAF images were compared for pathology seen in nonproliferative and proliferative diabetic retinopathy (NPDR and PDR, respectively). A qualitative assessment was made of the ease of detecting early retinopathy changes and the extent of existing retinopathy. The mean age of the patients was 47 years, most were male (82%) and most were African American (68%). Their mean visual acuity was 20/45 and their mean intraocular pressure was 14.3 mm Hg. Thirty-eight eyes (76%) did not show any diabetic retinopathy changes on colour or FAF imaging. Seven patients (14%) met the criteria for NPDR and five (10%) for severe NPDR or PDR. The most common findings were microaneurysms, hard exudates and intra-retinal haemorrhages (IRH) (n = 6 for each). IRH, microaneurysms and chorioretinal scars were more easily visible on FAF images. Hard exudates, pre-retinal haemorrhage and fibrosis, macular oedema and Hollenhorst plaque were easier to identify on colour photographs. The value of FAF imaging as a complementary technique to colour fundus imaging in detecting diabetic retinopathy during ocular screening warrants further investigation.

Resumo Limpo

investig use fundus autofluoresc faf imag screen eye patient diabet imag obtain patient type diabet undergo telemedicin screen colour fundus imag colour faf imag obtain megapixel nonmydriat retin camera colour faf imag compar patholog seen nonprolif prolif diabet retinopathi npdr pdr respect qualit assess made eas detect earli retinopathi chang extent exist retinopathi mean age patient year male african american mean visual acuiti mean intraocular pressur mm hg thirtyeight eye show diabet retinopathi chang colour faf imag seven patient met criteria npdr five sever npdr pdr common find microaneurysm hard exud intraretin haemorrhag irh n irh microaneurysm chorioretin scar easili visibl faf imag hard exud preretin haemorrhag fibrosi macular oedema hollenhorst plaqu easier identifi colour photograph valu faf imag complementari techniqu colour fundus imag detect diabet retinopathi ocular screen warrant investig

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