Computed tomography coronary angiography plaque burden in patients with suspected coronary artery disease

Erica Maffei1, Sara Seitun, Matteo Romano

  • 1Department of Radiology and Cardiology, Azienda Ospedaliero-Universitaria, Parma, Italy.

Insights

Established cardiovascular risk factors, age, and typical chest pain strongly predict significant coronary artery disease (CAD) in symptomatic individuals. Computed tomography coronary angiography aids in risk stratification for suspected CAD.

Area of Science:

  • Cardiovascular imaging and diagnostics
  • Radiology and medical imaging
  • Preventive cardiology

Background:

  • Coronary artery disease (CAD) remains a leading cause of mortality worldwide.
  • Accurate risk stratification is crucial for timely intervention and management.
  • Computed tomography coronary angiography (CTCA) offers a non-invasive method for evaluating coronary arteries.

Purpose of the Study:

  • To investigate the association between traditional cardiovascular risk factors, clinical presentation, and the extent of coronary artery disease (CAD).
  • To evaluate the diagnostic performance of computed tomography coronary angiography (CTCA) in identifying significant CAD.
  • To determine predictors of significant CAD in symptomatic patients without prior history.

Main Methods:

  • A cross-sectional study involving 567 symptomatic patients without a history of CAD.
  • All participants underwent 64-slice CTCA for suspected CAD evaluation.
  • Analysis of CAD prevalence based on sex, age, symptoms, and cardiovascular risk factors.

Main Results:

  • Significant CAD (luminal narrowing >50%) was found in 21% of patients.
  • CAD prevalence significantly increased with age (above 50 years) and the number of risk factors.
  • Male sex, older age, presence of risk factors, and typical chest pain were strong independent predictors of significant CAD.

Conclusions:

  • CTCA is valuable for assessing coronary artery anatomy and identifying significant CAD.
  • Risk stratification using CTCA can identify patients at higher risk for cardiovascular events.
  • The study highlights the importance of integrating clinical factors with imaging findings for comprehensive CAD assessment.
Abstract

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