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300 250 200 150 100 50 0 10,000 20,00030,000 Rest Normal 50% Lesion 90% 75% Work of the Heart (double product) Coronary Blood Flow.

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Presentation on theme: "300 250 200 150 100 50 0 10,000 20,00030,000 Rest Normal 50% Lesion 90% 75% Work of the Heart (double product) Coronary Blood Flow."— Presentation transcript:

1 300 250 200 150 100 50 0 10,000 20,00030,000 Rest Normal 50% Lesion 90% 75% Work of the Heart (double product) Coronary Blood Flow

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4 Paffenbarger et al Am Journal of Epidemiology 105:200-213, 1877. Percentage reduction in fatal heart attacks

5 PHYSICAL FITNESS & CARDIOVASCULAR DISEASE Blair, SN, et al, JAMA 276:205-210, 1996

6 Tri State Study, 1973

7 Mr Fit Study, 1982 Multiple Risk Factor Intervention Trial

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11 Multiple risk factor intervention trial. Risk factor changes and mortality results. Multiple Risk Factor Intervention Trial Research Group JAMA. 1982;248:1465-1477.

12 CLINICAL TRIALS Kramsch et al. New Eng J Med 305:1483-1489, 1981.

13 Haskell et al. Circulation 89:975-990, 1994 DISEASE PROGRESSION WITH EXERCISE

14 Selvester, R. et al Annals of New York Academy of Science 301: 495-508, 1977. PROGRESSION OF DISEASE WITH EXERCISE TRAINING

15 Haskell et al. Circulation 89:975-990, 1994 DISEASE PROGRESSION WITH EXERCISE

16 Haskell et al. Circulation 89:975-990, 1994 DISEASE PROGRESSION WITH EXERCISE

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18 Amount Accumulating in artery wall = ∫ [( Plasma to artery - Artery to plasma Artery to lymphatics - ) + ( Rate of atherosclerosis - Removal of atheromic material )] dt Plasma Arterial Wall Arterial Lymphatics

19 CAN ATHEROSCLEROSIS BE REVERSED?

20 * Non-signficance Heart Rate Heart Work Systolic Ejection Period Left Ventricular Oxygen Uptake a-v O 2 difference of heart Ferguson, JR, et al Circulation 58:41-47, 1978. ANGINA THRESHOLD

21 Oldridge, N.B., JAMA 260:945-950, 1988. Effectiveness of Cardiac Rehabilitation

22 O'Connor, G.T et al Circulation 80:234-244, 1989. Effectiveness of Cardiac Rehabilitation

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