Prognostic role of myocardial single photon emission computed tomography in the elderly

Pasquale Perrone-Filardi1, Pierluigi Costanzo, Santo Dellegrottaglie

  • 1Department of Clinical Medicine, Cardiovascular and Immunological Sciences, Federico II University, Via S. Pansini 5, Naples, 80131, Italy. fpperron@unina.it

Insights

Coronary artery disease (CAD) affects more older adults. Myocardial perfusion imaging using SPECT is valuable for assessing cardiac risk in elderly patients unable to complete exercise tests.

Area of Science:

  • Cardiology
  • Nuclear Medicine
  • Geriatric Medicine

Background:

  • Increasing life expectancy shifts the burden of coronary artery disease (CAD) to older populations.
  • Despite higher cardiovascular risk, elderly patients often receive underperformed diagnostic and therapeutic work-ups.
  • Exercise ECG testing, recommended for CAD assessment, is frequently inadequate for elderly patients unable to achieve sufficient workload.

Purpose of the Study:

  • To evaluate the utility of myocardial perfusion imaging by single photon emission computed tomography (SPECT) in elderly patients with suspected coronary artery disease.
  • To determine if SPECT can provide valuable diagnostic and prognostic information for managing cardiovascular risk in the elderly.
  • To assess the prognostic value of normal or near-normal SPECT findings in predicting major adverse cardiac events in older adults.

Main Methods:

  • Review of SPECT imaging utilization and outcomes in elderly patients.
  • Comparison of SPECT findings with exercise ECG test results in the geriatric population.
  • Analysis of short-term follow-up data for major adverse cardiac events in patients with normal or near-normal SPECT results.

Main Results:

  • A significant proportion of elderly patients cannot complete adequate exercise treadmill tests, often resulting in intermediate risk classification.
  • SPECT imaging offers valuable diagnostic and prognostic information for the clinical management of CAD in elderly individuals.
  • Normal or near-normal SPECT findings effectively identify elderly patients at low risk for major adverse cardiac events in the short term.

Conclusions:

  • Myocardial perfusion imaging by SPECT is a crucial tool for assessing coronary artery disease in elderly patients, particularly when exercise testing is limited.
  • SPECT provides reliable prognostic information, enabling risk stratification and guiding clinical management decisions in geriatric cardiology.
  • Normal SPECT results in elderly patients indicate a favorable short-term prognosis, reducing the likelihood of major adverse cardiac events.

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