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Echocardiographic observation on changes of left ventricular structure and function in healthy elderly
Journal of Tongji Medical University = Tong Ji Yi Ke Da Xue Xue Bao
|January 1, 1989
Summary
Echocardiography reveals subtle cardiac changes in aging adults, showing preserved resting function but potential diastolic dysfunction. Key echocardiographic indices can detect these early signs before clinical symptoms appear.
Area of Science:
- Cardiology
- Gerontology
- Medical Imaging
Background:
- Cardiovascular aging is a significant concern in public health.
- Echocardiography is a non-invasive tool for assessing cardiac structure and function.
- Understanding age-related cardiac changes is crucial for early detection and management.
Purpose of the Study:
- To compare left ventricular structure and function between elderly and younger healthy individuals using echocardiography.
- To identify echocardiographic parameters indicative of cardiovascular aging.
- To determine if echocardiographic changes precede clinical manifestations of aging.
Main Methods:
- M-mode and 2-dimensional echocardiography were performed on 81 healthy participants.
- Participants were divided into an elderly group (60-76 years) and a control group (22-58 years).
- Standard echocardiographic measurements of left ventricular structure and function were analyzed.
Main Results:
- Echocardiography revealed structural and functional aging of the cardiovascular system.
- Elderly individuals maintained good resting myocardial contractility and pump function.
- Latent depression of left ventricular diastolic function was common in the elderly group.
- Specific indices like LAD, AE, MVV, and EPSS showed significant differences (P < 0.05) compared to controls.
Conclusions:
- Echocardiographic findings of cardiovascular aging can appear before clinical symptoms.
- Resting cardiac function is often preserved in the elderly, but diastolic function may be impaired.
- Sensitive echocardiographic indices (LAD, AE, MVV, EPSS) are valuable for assessing cardiac status in the elderly.
- Accurate cardiac evaluation requires age-specific normal values and multi-parameter analysis.