Low HDL Cholesterol and the Risk of Diabetic Nephropathy and Retinopathy: Results of the ADVANCE study

• Autores: Jamie Morton, Sophia Zoungas, Qiang Li, Anushka Patel, John Chalmers, Mark Woodward, David S. Celermajer, Joline W.J. Beulens, Ronald P. Stolk, Paul Glasziou, Martin K.C. Ng
• Localización: Diabetes care, ISSN-e 0149-5992, Vol. 35, Nº. 11, 2012, págs. 2201-2206
• Idioma: inglés
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• Resumen

  • Although low HDL cholesterol (HDL-C) is an established risk factor for atherosclerosis, data on HDL-C and the risk of microvascular disease are limited. We tested the association between HDL-C and microvascular disease in a cohort of patients with type 2 diabetes. A total of 11,140 patients with type 2 diabetes and at least one additional vascular risk factor were followed a median of 5 years. Cox proportional hazards models were used to assess the association between baseline HDL-C and the development of new or worsening microvascular disease, defined prospectively as a composite of renal and retinal events. The mean baseline HDL-C level was 1.3 mmol/L (SD 0.45 mmol/L [range 0.1-4.0]). During follow-up, 32% of patients developed new or worsening microvascular disease, with 28% experiencing a renal event and 6% a retinal event. Compared with patients in the highest third, those in the lowest third had a 17% higher risk of microvascular disease (adjusted hazard ratio 1.17 [95% CI 1.06-1.28], P = 0.001) after adjustment for potential confounders and regression dilution. This was driven by a 19% higher risk of renal events (1.19 [1.08-1.32], P = 0.0005). There was no association between thirds of HDL-C and retinal events (1.01 [0.82-1.25], P = 0.9). In patients with type 2 diabetes, HDL-C level is an independent risk factor for the development of microvascular disease affecting the kidney but not the retina. [PUBLICATION ABSTRACT]