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Only You Can Prevent CVD

Only You Can Prevent CVD. Matthew Johnson , MD. What can we do to prevent CVD?. What can WE do to save the most lives?. What risk factors are important in the development of heart disease?. Who is at risk and how can we calculate risk?. Background:.

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Only You Can Prevent CVD

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  1. Only You Can Prevent CVD Matthew Johnson , MD

  2. What can we do to prevent CVD?

  3. What can WE do to save the most lives?

  4. What risk factors are important in the development of heart disease?

  5. Who is at risk and how can we calculate risk?

  6. Background: Clinical guidelines for primary prevention of CAD recommend a risk management based on the Framingham score.

  7. Screening for early detection of high risk patients with asymptomatic atherosclerosis and monitoring their response to treatments in order to reduce sudden cardiovascular events remain as major challenges in preventive cardiology.

  8. Traditional tools used to assign risk of future cardiovascular events, at times fail to accurately identify individuals with severe coronary artery disease. Despite major advances in the treatment of coronary artery disease (CAD), a large number of apparently healthy people die suddenly of a heart attack without prior symptoms and do not benefit from existing preventive therapies. Background: Cont.

  9. Background: Cont. The Framingham score as applied in these guidelines is a tool to predict the absolute risk of coronary events in populations free of cardiovascular disease. Reynolds risk score is also a tool to predict the risk of coronary events. www.reynoldsriskscore.org

  10. Framingham risk score (FRS) Framingham Risk Score (FRS) is calculated based on NCEP ATP III ( age, gender, total cholesterol, HDL-C, Smoking status, Systolic blood Pressure and Anti-hypertensive medication)

  11. Results: Cont.

  12. Role of Vascular and Neurovascular Function in Cardiovascular Disease Vascular dysfunction is generally considered a key initial event in the atherosclerotic process which is a local manifestation of systemic disorder. Numerous studies have shown that functional changes in arteries precede the development of structural changes and also reverse more quickly in response to therapies

  13. http://www.endothelix.com/vendysmovie.html

  14. What is a calcium score? A calcium score refers to a screening test that is used to calculate the amount of calcium in the heart.  A calcium score looks specifically at calcium in the coronary arteries, where increased calcium leads to narrowing of the artery. 

  15. How is a CCS calculated? The calcium score is calculated from Computed Tomography (CT) scan images.  The two main types of CT scanners are "Electron Beam" (EBCT) and "Multi-Detector" (MDCT).  Both types of scanners are generally effective in calculating a calcium score. 

  16. What is the purpose of a Calcium Score? The purpose of a calcium score is to determine if a patient is at high risk for coronary artery disease, which may lead to a heart attack.  In general, a high calcium score is associated with a higher risk of cardiovascular events, while a calcium score of zero is associated with a very low risk of coronary artery disease or heart attack.

  17. Public Enemy #1

  18. Diabetes Prevalence, 1990-1998

  19. Risk of Cardiovascular Events in DiabeticsFramingham Study _________________________________________________________________ Age-adjusted Biennial Rate Age-adjusted Per 1000Risk Ratio Cardiovascular EventMen WomenMen Women Coronary Disease 39 21 1.5** 2.2*** Stroke 15 6 2.9*** 2.6*** Peripheral Artery Dis. 18 18 3.4*** 6.4*** Cardiac Failure 23 21 4.4*** 7.8*** All CVD Events 76 65 2.2*** 3.7*** Subjects 35-64 36-year Follow-up **P<.001,***P<.0001 _________________________________________________________________

  20. Insulin Resistance

  21. Natural History of Type 2 Diabetes

  22. Relationship Between Obesity andInsulin Resistance and Dyslipidemia

  23. Insulin Resistance: Associated Conditions

  24. Cardiovascular Disease and Diabetes

  25. Probability of Death From CHD in Patients With Type 2 Diabetes With or Without Previous MI

  26. The Metabolic Syndrome Endothelial Systemic Complex Dysfunction Inflammation Dyslipidemia TG, LDL HDL Athero- sclerosis Insulin Disordered Resistance Fibrinolysis Hypertension Visceral Obesity Type 2 Diabetes Adapted from the ADA. Diabetes Care. 1998;21:310-314;Pradhan AD et al. JAMA. 2001;286:327-334.

  27. Risk Factor Defining Level Abdominal obesity†(Waist circumference‡) MenWomen >102 cm (>40 in)>88 cm (>35 in) TG 150 mg/dL or Rx for ↑ TG HDL-C MenWomen <40 mg/dL<50 mg/dL or Rx for ↓ HDL Blood pressure 130/85 mm Hg or on HTN Rx Fasting glucose 100 mg/dL or Rx for ↑ glucose Revised ATP III Metabolic Syndrome Oct 2005 *Diagnosis is established when 3 of these risk factors are present. †Abdominal obesity is more highly correlated with metabolic risk factors than is BMI. ‡Some men develop metabolic risk factors when circumference is only marginally increased.

  28. International Diabetes Federation Definition: Abdominal obesity plus two other components: elevated BP, low HDL, elevated TG, or impaired fasting glucose

  29. 45 Men 40 Women 35 30 25 Prevalence (%) 20 15 10 5 0 20-29 30-39 40-49 50-59 60-69 > 70 Prevalence of the Metabolic Syndrome Among US Adults NHANES 1988-1994 Age (years) Ford E et al. JAMA. 2002(287):356. 1999-2002 Prevalence by IDF vs. NCEP Definitions (Ford ES, Diabetes Care 2005; 28: 2745-9) (unadjusted, age 20+) NCEP : 33.7% in men and 35.4% in women IDF: 39.9% in men and 38.1% in women

  30. http://www.nhlbi.nih.gov/guidelines/cholesterol/index.htm

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