Table 2 New york heart association classification of heart failure Class I No limitat ion: ordinary physical exercise does not cause undue fatigue, dyspnoea, or palpitations Class‖ Slight Limitation of physical activity comfortable at rest but ordinary activity results in fatigue, palpitations, or dyspnoea Class Ill Marked limitation of physical activity: comfortable at rest but less than ordinary activity results in symptoms Class iv Unable to carmy out any physical activity without discomfort: symptoms of heart failure are present even at rest with increased discomfort with any physical activity
Heart Failure(HF) Definition S A complex clinical syndrome in which the heart is incapable of maintaining a cardiac output adequate to accommodate metabolic requirements and the venous return
Heart Failure (HF) Definition A complex clinical syndrome in which the heart is incapable of maintaining a cardiac output adequate to accommodate metabolic requirements and the venous return
HF Incidence and Prevalence Prevalence S- Worldwide. 22 million United States, 5 million/15 Incidence Worldwide, 2 million new cases annually United States, 500,000 new cases annually HF afflicts 10 out of every 1,000 over age 65 in the U.S.2 1 World Health Statistics, Word Health Organization 1995 2 American Heart Association, 2002 Heart and Stroke Statistical Update
1 World Health Statistics, World Health Organization, 1995. 2 American Heart Association, 2002 Heart and Stroke Statistical Update. HF Incidence and Prevalence • Prevalence – Worldwide, 22 million1 – United States, 5 million2 • Incidence – Worldwide, 2 million new cases annually1 – United States, 500,000 new cases annually2 • HF afflicts 10 out of every 1,000 over age 65 in the U.S.2
Prevalence of hf by Age and Gender United States: 1988-94 10 口 Males 8 囗 Females Percent of 6 Population 2 0 20-2425-34354445-5455-6465-7475+ Source: NHANES I(1988-94), CDC/NCHS and the American Heart Association
Prevalence of HF by Age and Gender United States: 1988-94 0 2 4 6 8 10 Percent of Population 20-24 25-34 35-44 45-54 55-64 65-74 75+ Males Females Source: NHANES III (1988-94), CDC/NCHS and the American Heart Association
New York Heart association Functional Classification Class I: No symptoms with ordinary activity Class II: Slight limitation of physical activity. Comfortable at rest but ordinary physical activity results in fatigue palpitation, dyspnea, or angina s Class Ill: Marked limitation of physical activity. Comfortable at rest, but less than ordinary physical activity results in fatigue, palpitation, dyspnea, or anginal pain Class Iv: Unable to carry out any physical activity without discomfort. Symptoms of cardiac insufficiency may be present even at rest
New York Heart Association Functional Classification Class I: No symptoms with ordinary activity Class II: Slight limitation of physical activity. Comfortable at rest, but ordinary physical activity results in fatigue, palpitation, dyspnea, or angina Class III: Marked limitation of physical activity. Comfortable at rest, but less than ordinary physical activity results in fatigue, palpitation, dyspnea, or anginal pain Class IV: Unable to carry out any physical activity without discomfort. Symptoms of cardiac insufficiency may be present even at rest