Diabete e danno vascolare: il nesso fisiopatologico comune tra micro e macroangiopatia Gabriele Riccardi Chair of Endocrinology and Metabolic Diseases, Federico II University, Naples, Italy
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Retinopathy predicts cardiovascular events in type 2 diabetes Rosenson RS et al, Atherosclerosis 2011
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Fattori di rischio per lo sviluppo delle complicanze croniche Fattori genetici Compenso glicemico insoddisfacente Durata del diabete Dislipidemia Ipertensione arteriosa Fumo di sigaretta Sovrappeso Sedentarietà Infiammazione subclinica 6
Prognostic value of the Metabolic Syndrome in diabetic patients THE METASCREEN WRITING COMMITTEE* Diabetes Care, 2006
UKPDS: Effect of Tight BP vs Tight Glucose Control on CV Events Any Diabetes End Point Microvascular Outcomes Stroke Death -10 -20 % Reduction p< 0.05 -30 p< 0.05 -40 p< 0.05 p< 0.05 -50 Tight glucose control (FPG <6 mmol/L) Tight BP control (BP <150/85 mm Hg) UKPDS Group, BMJ 1998
Fenofibrate reduces progression to microalbuminuria over 3 years in a placebo-controlled study in type 2 diabetes: results from the Diabetes Atherosclerosis Intervention Study (DIAS). Ansquer JC et al, Am J Kidney Dis 2005
Insulin-resistance Lifestyle - Genetics Hyperinsulinemia Proposed mechanisms linking insulin-resistance and/or hyperinsulinemia with atherosclerosis Insulin-resistance Platelet aggregation HDL-Col Small LDL Post prandial Triglyceride NO Glycemia Lifestyle - Genetics arterial wall Muscle cell proliferation SNS PAI-1 O+ Hyperinsulinemia
General features of the hyperglycaemia induced tissue damage WV Brown, Am J Cardiol 2008
ALTERAZIONI DELLA FUNZIONE ENDOTELIALE INDOTTE DALL’IPERGLICEMIA Adesione Leucociti Citochine Chemochine AGEs PCK ROS Ossido Nitrico Vasodilatazione Proliferazione Migrazione ALTERAZIONI DELLA FUNZIONE ENDOTELIALE INDOTTE DALL’IPERGLICEMIA
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THE ACCORD STUDY INTENSIVE STANDARD Achieved median A1C (%) 6.4 7.5 Weight changes (kg) +3.5 +0.4 Severe hypos (%) 16.2 5.1 On TZD at study end (%) 91 58 On insulin at study 77 55
M= media, T= thrombus, LC=lipid core, FC= fibrous cap an aortic complicated atheromatous lesion with rupture of its fibreous cap M= media, T= thrombus, LC=lipid core, FC= fibrous cap