(04-09-12) Low HDL Cholesterol and the Risk of Diabetic Nephropathy and Retinopathy: Results of the ADVANCE study.

Morton J, Zoungas S, Li Q, Patel AA, Chalmers J, Woodward M, Celermajer DS, Beulens JW, Stolk RP, Glasziou P, Ng MK; on behalf of the ADVANCE Collaborative Group.
Source
The Heart Research Institute, Sydney, New South Wales, Australia.
Abstract
OBJECTIVEAlthough 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.RESEARCH DESIGN AND METHODSA 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.RESULTSThe 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).CONCLUSIONSIn 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.
Source: Diabetes Care. 2012 Aug 13. [Epub ahead of print]
PMID:
22891258
[PubMed - as supplied by publisher]

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