TESTING OUR TESTS: THE EVOLUTION OF EVIDENCE FOR CARDIAC IMAGING

Area of Science:

• Cardiology
• Medical Imaging
• Health Services Research

Background:

• Substantial technical progress in cardiac imaging contrasts with questions about its clinical efficacy and impact on patient outcomes.
• A proposed six-level framework offers a method for critically evaluating the value of diagnostic imaging.

Purpose of the Study:

• To trace the evolution of cardiac imaging.
• To assess the current evidence base for cardiac imaging using a structured framework.
• To demonstrate the role of rigorous evidence in contemporary cardiac imaging practice.

Main Methods:

• Literature review and analysis of cardiac imaging advancements.
• Application of a six-level framework for assessing imaging value.
• Examination of evidence supporting contemporary cardiac imaging techniques.

Main Results:

• Cardiac imaging has evolved considerably over time.
• The application of the six-level framework reveals varying levels of evidence supporting different imaging modalities.
• Contemporary cardiac imaging is increasingly supported by robust evidence, including randomized trials.

Conclusions:

• The value of cardiac imaging can be systematically assessed.
• Evidence from rigorous clinical trials is crucial for validating the efficacy of cardiac imaging.
• Current practice demonstrates a growing reliance on evidence-based approaches in cardiac imaging.