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In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
08:13

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

Published on: February 16, 2016

[Evaluation of coronary artery disease by myocardial perfusion imaging in women]

Erick Alexánderson1, Nuria Granados, Diana Gómez-Martín

  • 1Unidad PET-Ciclotrón, Facultad de Medicina, UNAM. alexanderick@yahoo.com

Archivos De Cardiologia De Mexico
|May 25, 2005
PubMed

Insights

Myocardial perfusion imaging effectively detects ischemia in women with coronary artery disease (CAD), outperforming stress tests, particularly in those over 50. This non-invasive method aids early diagnosis.

Area of Science:

  • Cardiology
  • Nuclear Medicine
  • Diagnostic Imaging

Background:

  • Early diagnosis of coronary artery disease (CAD) in women presents challenges due to lower accuracy of non-invasive tests like stress tests.
  • Evaluating myocardial ischemia in women requires accurate diagnostic tools.

Purpose of the Study:

  • To assess the diagnostic value of myocardial perfusion imaging using SPECT for detecting ischemia in women.
  • To compare the accuracy of myocardial perfusion imaging with stress tests in women with suspected CAD.

Main Methods:

  • 151 women with suspected CAD underwent SPECT myocardial perfusion imaging with Tc-99m Sestamibi, stress testing, and coronary angiography.
  • Sensitivity and specificity were calculated for each diagnostic test.

Main Results:

  • The prevalence of significant CAD was 71.5%.
  • Myocardial perfusion imaging demonstrated a sensitivity of 91.6% and specificity of 87.9% for ischemia detection.
  • Stress test sensitivity was 43% and specificity was 96.1%.
  • Myocardial perfusion imaging accuracy was higher in women over 50.

Conclusions:

  • Myocardial perfusion imaging is a valuable tool for detecting ischemia in women with CAD.
  • The imaging technique is particularly effective in women over 50 years of age.
  • Myocardial perfusion imaging is superior to stress testing for non-invasive ischemia evaluation in this patient group.
Abstract

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