BackgroundDiabetic retinopathy (DR) is the major cause of blindness among working age adults. The aim of the study was to investigate risk factors for development of DR.MethodsA case–control study was performed based on data from 240 individuals (80 cases and 160 controls) attending the Outpatient Specialty Clinic of the University of South Santa Catarina (UNISUL), between Mar/2010 and May/2014. Data collection occurred through review of medical charts for presence or absence of DR, determined by an ophthalmologist. Study protocol included demographic characteristics, metabolic control, diabetes mellitus (DM) profile and comorbidities. Statistical analysis used Chi square test for qualitative variables and multivariate logistic regression analysis to select independent variables (SPSS®18.0 software). Odds ratio (OR) was used as measure of association. The study was approved by research ethics committee of UNISUL.ResultsMean age of group case was 59.5 years with a slight female predominance. Gender, age, body mass index were not associated with outcome. Individuals with poor glycemic control were more likely to DR (OR 3.83; 95 % CI 1.57–9.37). It was observed a positive relationship between duration of DM and DR, with higher chances in 11–15 years of disease (OR 7.52, 95 % CI 3.03–18.68) and >15 years (OR 9.01, 95 % CI 3.58–22.66). Regarding comorbidities, only diabetic nephropathy showed higher chance for DR (OR 3.32; 95 % CI 1.62–6.79).ConclusionsDiabetic patients after 10 years of disease with poor glycemic control and nephropathy have a higher chance of DR.
Investigar a concordância entre o teste fenol vermelho e o teste de Schirmer para quantificação lacrimal junto a um questionário para detectar sintomas de olho seco. Métodos: No total, 49 pacientes participaram do estudo. Cada participante teve um olho examinado pelos dois testes. Os sintomas de olho seco foram avaliados através de 5 perguntas. Os dados foram coletados e depois analisados pelo método de estatísticas Kappa para avaliar a concordância entre os testes. Resultados: A sintomatologia foi positiva em 65,3%(32) pacientes. Em grupos de idade, pacientes com 60 anos ou mais tiveram sintomatologia em 70,5% das vezes, enquanto no grupo de 40-59 anos foram positivos 59,3%. O teste de Schirmer foi positivo para olho seco em 51%(25) dos pacientes, enquanto o teste fenol vermelho foi positivo em 65,3%(32). O valor de Kappa entre os testes foi de 0.548, demonstrando uma concordância moderada entre eles. Conclusão: A realização do questionário sintomático evidenciou uma maior sintomatologia de olho seco nos pacientes de maior idade. O valor de Kappa resultou em uma concordância moderada, considerada relevante, principalmente pelo fato de nenhum dos dois testes ser o padrão ouro para o diagnóstico de olho seco e pela variabilidade de resultados que os testes podem trazer. Descritores: Síndromes do olho seco; Lágrimas; Técnicas de diagnóstico oftalmológico; Córnea; Estudo comparativo
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