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Related Experiment Videos

Ischaemic heart disease in the elderly

R D Kennedy, G R Andrews, F I Caird

    British Heart Journal
    |October 1, 1977
    PubMed
    Summary

    This study found that 22.4% of older adults have ischemic heart disease, with prevalence increasing with age and smoking. Other common risk factors were not associated with increased disease frequency.

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    Area of Science:

    • Cardiology
    • Epidemiology
    • Geriatrics

    Background:

    • Ischemic heart disease (IHD) is a significant health concern in aging populations.
    • Understanding the prevalence and risk factors of IHD in community-dwelling older adults is crucial for public health initiatives.

    Purpose of the Study:

    • To determine the prevalence of ischemic heart disease in individuals aged 65 and above.
    • To investigate the association between IHD and various potential risk factors, including age, sex, smoking, blood pressure, blood glucose, cholesterol, body weight, and skinfold thickness.
    • To analyze the 5-year survival rates among subjects with IHD, differentiating based on diagnostic criteria and electrocardiogram findings.

    Main Methods:

    • A cross-sectional study involving 501 community-dwelling individuals aged 65 years and older.
    • Clinical examinations and electrocardiography were used to diagnose ischemic heart disease.
    • Data on potential risk factors including smoking history, blood pressure, blood glucose, serum cholesterol, body mass index, and skinfold thickness were collected.
    • Survival data over a 5-year period was tracked for all participants.

    Main Results:

    • 22.4% of the study population exhibited clinical and/or electrocardiographic evidence of ischemic heart disease.
    • The prevalence of IHD increased with advancing age and was slightly higher in men than in women.
    • Current and total cigarette consumption were positively correlated with IHD frequency.
    • No significant association was found between IHD and systolic/diastolic blood pressure, blood glucose, serum cholesterol, skinfold thickness, or percentage of ideal body weight.
    • Overall 5-year survival for subjects with IHD did not differ significantly from the general cohort.
    • Mortality was 1.5 to 2 times higher in subjects with IHD and abnormal electrocardiograms compared to those diagnosed via angina pectoris or prior myocardial infarction with normal electrocardiograms.

    Conclusions:

    • Ischemic heart disease is prevalent in older adults, with age and smoking being significant contributing factors.
    • Traditional cardiovascular risk factors like hypertension and hyperlipidemia were not associated with increased IHD prevalence in this cohort.
    • Electrocardiogram abnormalities in IHD patients indicate a poorer prognosis, highlighting the importance of detailed diagnostic assessment.

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