Diabetes & metabolic syndrome · 2021
Plasma homocysteine is associated with nonproliferative retinopathy in patients with type 2 diabetes without renal disease.
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Tomić Martina, Vrabec Romano, Ljubić Spomenka, Bulum Tomislav, Rahelić Dario
Аннотация
BACKGROUND AND AIMS: This study aimed to assess the role of plasma homocysteine (Hcy) in the development of nonproliferative diabetic retinopathy (NPDR) in patients with type 2 diabetes (T2DM) without chronic kidney disease.
METHODS: This was a cross-sectional study that included 94 T2DM. Hcy, serum 25-hydroxy (25-OH) vitamin D, vitamin B12, and folate were determined by the CMIA method. NPDR was determined according to the EURODIAB retinal photography methodology and optical coherence tomography (OCT) of the macula.
RESULTS: Compared to patients without NPDR, patients with NPDR had longer diabetes duration (p < 0.001), higher Hcy (p < 0.001), lower vitamin B12 (p = 0.028) and lower estimated glomerular filtration rate (eGFR) (p = 0.004). NPDR was positively associated with diabetes duration (p < 0.001), HbA1c (p = 0.049) and Hcy (p < 0.001), and negatively with vitamin B12 (p = 0.027) and eGFR (p = 0.005). Logistic regression analyses showed that diabetes duration (OR = 1.13, p < 0.001), Hcy (OR = 1.06, p = 0.047), and eGFR (OR = 0.96, p = 0.004) were the main predictors of NPDR in T2DM. Stepwise regression analyses showed that the best model for predicting Hcy (R2 = 0.104) included vitamins B12 and D.
CONCLUSIONS: Higher Hcy is associated with NPDR and may play a role as a risk factor for its development in T2DM. Vitamins B12 and D seem to modify this association.
METHODS: This was a cross-sectional study that included 94 T2DM. Hcy, serum 25-hydroxy (25-OH) vitamin D, vitamin B12, and folate were determined by the CMIA method. NPDR was determined according to the EURODIAB retinal photography methodology and optical coherence tomography (OCT) of the macula.
RESULTS: Compared to patients without NPDR, patients with NPDR had longer diabetes duration (p < 0.001), higher Hcy (p < 0.001), lower vitamin B12 (p = 0.028) and lower estimated glomerular filtration rate (eGFR) (p = 0.004). NPDR was positively associated with diabetes duration (p < 0.001), HbA1c (p = 0.049) and Hcy (p < 0.001), and negatively with vitamin B12 (p = 0.027) and eGFR (p = 0.005). Logistic regression analyses showed that diabetes duration (OR = 1.13, p < 0.001), Hcy (OR = 1.06, p = 0.047), and eGFR (OR = 0.96, p = 0.004) were the main predictors of NPDR in T2DM. Stepwise regression analyses showed that the best model for predicting Hcy (R2 = 0.104) included vitamins B12 and D.
CONCLUSIONS: Higher Hcy is associated with NPDR and may play a role as a risk factor for its development in T2DM. Vitamins B12 and D seem to modify this association.