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Modifications in cardiovascular functional parameters with aging.

M Fioranelli1, M Piccoli, G M Mileto

  • 1Fatebenefratelli Hospital, Tiberina Island, Rome, Italy. fioramas@tin.it

Minerva Cardioangiologica
|May 31, 2001
PubMed
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Aging hearts show increased wall thickness and altered diastolic function, but maintain normal systolic function and adapt to exercise demands. These changes support metabolic needs in older adults without heart disease.

Area of Science:

  • Cardiology
  • Gerontology
  • Physiology

Background:

  • The aging population necessitates understanding cardiovascular system changes.
  • Previous studies focused on age-adjusted echocardiographic and functional parameters.
  • Investigating age-related cardiovascular modifications is crucial.

Purpose of the Study:

  • To evaluate functional parameters in the aging heart.
  • To define cardiovascular modifications associated with aging.
  • To compare cardiovascular function in younger and older adults.

Main Methods:

  • Studied 66 patients: 32 older (71+/-4 years) and 34 younger (33+/-6 years).
  • All participants were free of cardiovascular diseases.
  • Utilized basal echocardiography and exercise testing.

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Main Results:

  • Older adults exhibited increased ventricular wall thickness, left atrium, and aortic root dimensions at rest.
  • Diastolic function was altered (E/A ratio decreased) in older adults, while systolic function remained normal.
  • During a 100-watt workload, older adults showed increased end-diastolic volume and decreased heart rate.

Conclusions:

  • The aging heart undergoes morphological changes, including increased thickness and altered diastolic function.
  • These modifications, in the absence of pathology, can support metabolic demands.
  • The aging heart adapts to physiological changes in elderly individuals.