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Natural History of Atherosclerosis in The Diabetic patients Arturo FERNÁNDEZ-CRUZ Professor and Director Cardiovascular Preventive Area Hospital Clínico MADRID. Nice 2005. The challenge of atherosclerosis cardiovascular disease. Leading causes of death – United States 2001.
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Natural History of Atherosclerosis in The Diabetic patients Arturo FERNÁNDEZ-CRUZ Professor and Director Cardiovascular Preventive Area Hospital Clínico MADRID Nice 2005
The challenge of atherosclerosiscardiovascular disease Leading causes of death – United States 2001 AHA Heart Disease and Stroke Statistics – 2004 Update
Loss of life expectancy due to diabetes Years of life lost Females 8 Males 7 6 5 4 3 2 1 0 <25 25–29 30–34 35–39 40–44 45–49 50–54 55–59 60–64 65–69 70–74 75–79 80–84 85–89 90+ Age at diagnosis Hopkinson et al (1999)
Diabetes is a state of premature death associated with hyperglycaemia Miles Fisher, 1998 Having Diabetes is as serious as having cancer Ian Campbell, 2000 Diabetes is NOT a mild Disease
Clinical Manifestations of Atherosclerosis • Coronary heart disease • Angina pectoris, myocardial infarction, sudden cardiac death • Cerebrovascular disease • Transient ischaemic attacks, stroke • Peripheral vascular disease • Intermittent claudication, gangrene
Myocardial Infarction and Microvascular Disease Microvasculardisease Incidence per1000 patient-years Myocardialinfarction Updated mean HbA1c (%) UKPDS 35. BMJ 2000; 321: 405-12
CAUSES OF MORTALITY IN UKPDS PATIENTS 15% patients median age 53 years at diagnosis, died (702/3867) 59% Diabetes Related 49% Cardiac 8% Stroke 2% Other 41% Non Diabetes related 24% Cancer 17% Other UKPDS 33, Lancet 1998
Preclinical atherosclerosis in men with newly diagnosed diabetes and established diabetes Moderate to large plaques Carotid arteries 60 * 1,05 * 50 1 * 40 * 0,95 Percentage 30 Intima/Media (mm) 0,9 20 0,85 10 0,8 0,75 0 Healthy Newly diagnosed Established Healthy Newly diagnosed Established diabetes diabetes diabetes diabetes N=197 N=24 N=50 Sigurdardottir et al. Diabetes Care 2004;27:880-4
The role of Lp-PLA2 in CHD LUMEN Oxidized LDL INTIMA MEDIA
The role of Lp-PLA2 in CHD LUMEN Adhesion molecules Oxidized LDL Lp-PLA2 INTIMA Lyso-PC OxFA MEDIA
The role of Lp-PLA2 in CHD LUMEN Monocytes Plaque formation Cytokines Adhesion molecules Oxidized LDL Lp-PLA2 Macrophage Foam cell INTIMA Lyso-PC OxFA MEDIA
B-MODE CAROTID ULTRASOUND- TSA- Grosor de la media e intima de la Carótida • ARICstudy Am J Epidemiol 1997 • Cardiovascular Health Study (CHS) • O´leary NEJM 1999 añade información • adicional al riesgo global en los de • riesgo intermedio. • CLAS Ann Int Med 1998 • ASAP Lancet 2001 PCR • ARBITER study Circulation 2002 regresión • a 1 año terapia intensiva vs moderada. PCR
Kaplan-Meier survival curves:Lp-PLA2 in ARIC cohort Patients categorized in tertiles (n=1350; 609 cases) 1 Probability of event-free survival 2 Lp-PLA2 Tertile 1 <311ng/mL 2 311-422ng/mL 3 >422ng/mL p=0.5639 3 p=0.0170 Time to CHD (years) Data on file, diaDexus, Inc.
Inflammation, a key element of the atherosclerotic plaques in diabetics Diabetics Non-diabetics p<0.05 26 24 22 20 % positive staining/mm2 Macro phages 18 16 14 12 10 Non-diabetics (n=17) Diabetics (n= 15) p<0.05 7 6 T-cells 5 % positive staining/mm2 4 3 2 1 0 Non-diabetics (n=17) Diabetics (n= 15) Martin-Ventura JL et al. (unpublished data)
CRP PREDICTOR OF RISK IN ATHEROSCLEROSIS • < 0.1 low risk • > 0.1 < 0.2 moderate • > 0.2 < 0.3 moderate-high • > 0.3 high CRP Polymorphism and incidence of angioplasty restenosis A Fernandez-Cruz et al Atherosclerois 2004; 176:393-96
C-reactive protein and diabetes CRP and cardiovascular events survival in diabetics (n=746) 5 years follow-up Women´s Health Study (n=27628) 4 years follow-up p<0.05 0,8 0,7 0,6 0,5 CRP<1 mg/L C-reactive Protein (mg/dL) 0,4 0,3 CRP=1-3 mg/L CRP>3 mg/L 0,2 0,1 0 Diabetics (n=168) Controls (n=362) Schulze et al. Diabetes Care 2004;27:889-94 Pradhan et al. JAMA 2001;286:327-34
Endothelial dysfunction: the impact of AGE Wautier et al. Circ Res 2004;95:233-238
Biomarkers of endothelial dysfunction and risk of type 2 diabetes mellitus p<0.05 p<0.05 300 80 ICAM-1 E-selectin 250 60 (ng/mL) (ng/mL) 200 40 20 150 0 100 Controls (n=785) Cases (n=737) Controls (n=785) Cases (n=737) 600 p<0.05 550 VCAM-1 (ng/mL) 500 450 Controls (n=785) Cases (n=737) Meigs et al .JAMA 2004;291:1978-86
Fas Ligand, a novel marker of endothelial dysfunction ? Fas Fas Ligand Normal Endothelium Leucocyte Apoptosis Dysfunctional Endothelium Rolling Adhesion Endothelium Adhesion molecules and chemoattractant proteins Transendothelitation
Circulating Fas ligand is decreased in diabetic patients p<0.0001 140 123 111 120 100 69 80 sFasL (pg/mL) 49 60 44 40 20 0 Carotid atherosclerosis (n=16) Diabetes (n=17) + Atorvastatin (n=58) Healthy (n=15) Familial hyperlipidemia (n=58) Blanco-Colio et al. J Am Coll Cardiol. 2004;43:1188-94 Blanco-Colio et al. (unpublished data)
HOSPITAL CLÍNICO SAN CARLOS (MADRID) • Instituto Cardiovascular • A. Calle A. Fernández-Cruz • D. Vincent D. Gomez Garre • BRIGHAM AND WOMEN’S HOSPITAL (BOSTON) • N. Varo P. Libby • U. Shonbeck • P. Nuzzo • Veves • P. Jarolim • Goldfine • E. Horton
A 12 10 8 6 4 2 Controls Type 1 DM B 12 10 8 sCD40L (ng/ml) 7.36(3) 6.5(3.3) 6 4 2 1.43(2.32 1.38(1.8) Controls Type 2 DM Fdez-Cruz, Calle, Schonbeck, Libby et al Circulation 2003
10 n=7 n=16 n=5 0 -10 n=3 compared to baseline n=22 -20 n=10 n=9 -30 TZDs ( -40 Placebo change -50 n=4 -60 % All type 2 DM Type 2 DM Type 2 DM Type 2 DM patients recent onset no comp. Complic. Fdez-Cruz, Calle, Shonbeck, Libby et al Circulation 2003
The Metabolic Syndrome andAssociated CVD Risk Factors Hypertension Abdominal obesity Atherosclerosis Hyperinsulinaemia Insulin Resistance Diabetes Hypercoagulability EndothelialDysfunction Dyslipidaemia • high TGs • small dense LDL • low HDL-C
Plasma sCD40L in insulin resistant (IR) and non-insulin resistant (non-IR) patients 691.1±199.1* *Mean ± S.E.M. p<0.05 Pg//ml 420.1± 89.2* 302.7±58.4* IRnon-IRcontrolgroup
Correlation between plasma levels of sCD40L and fasting insulin concentrations r=0.32, p=0.015 Pg/ml uU/ml
Correlation between plasma sCD40L concentrations and waist girth r= 0.33, p=0.01 Pg/ml cm
Plasma sCD40L in insulin resistant (IR) patientswith and without statin therapy 1038.9±401.6* *Mean ± S.E.M. p<0.05 pg//ml 471.3±183.3* 420.1±89.2* IR patients IR patients control group without statins with statins
HOSPITAL CLÍNICO SAN CARLOS (MADRID) • Instituto Cardiovascular • A. Calle A. Fernández-Cruz • C. Filozof D. Gómez Garre • ML González-Rubio • FUNDACIÓN JIMÉNEZ DÍAZ (MADRID) • L. Blanco-Colio J. Egido • JL. Martín-Ventura F. Vivanco • MC. Durán
HSP27 SECRETION: FROM ARTERIAL WALL TO PLASMA Two-dimensional gels of secretomes from control endartery (A) and complicated plaque (B). Circles show spots corresponding to HSP27 in two different phosphorylation states. Martín-Ventura et al, Circulation 2004;110:***-***
* * * ELISA HSP27 SECRETION: FROM ARTERIAL WALL TO PLASMA CONDITIONED MEDIA Western blot Martín-Ventura et al, Circulation 2004;110:***-***
PLASMA HSP27 SECRETION: FROM ARTERIAL WALL TO PLASMA Martín-Ventura et al, Circulation 2004;110:***-***
PLASMA LEVELS OF HSP27 IN DIABETIC PATIENTS A. Fernández-Cruz et al (unpublished data)
AGE –HSP27 in diabetic rat kidneys Padival et al FEBS letters 2003;551:113
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