Multidetector row computed tomography may accurately estimate plaque vulnerability: does MDCT accurately estimate...

Area of Science:

• Cardiovascular Imaging
• Radiology
• Medical Diagnostics

Background:

• Multidetector row computed tomography (MDCT) is a leading noninvasive technique for coronary heart disease detection.
• MDCT is advancing in spatial resolution, approaching intravascular ultrasound (IVUS) capabilities.
• Vulnerable plaque identification is crucial for predicting cardiac events.

Purpose of the Study:

• To evaluate the accuracy of MDCT in detecting vulnerable plaque components.
• To compare MDCT's plaque detection capabilities with IVUS and angioscopy.
• To assess the role of MDCT in patient triage and coronary artery disease management.

Main Methods:

• Utilizing MDCT to identify lipid-rich plaque, lipid pools, and calcified spots via computed tomography number.
• Comparing MDCT findings with IVUS and angioscopy for plaque characterization.
• Analyzing data from the TWINS study and TOGETHAR trial regarding plaque changes with statin therapy.

Main Results:

• MDCT demonstrates high accuracy in detecting vulnerable plaque components compared to IVUS and angioscopy.
• Angioscopic findings indicate plaque stabilization and regression are independent processes.
• Noncalcified or low-density plaque is a strong predictor of cardiac events, independent of lesion severity.

Conclusions:

• MDCT is a valuable tool for characterizing coronary plaque, offering quantitative and qualitative analysis.
• MDCT shows potential for early triage of patients with chest pain in emergency settings.
• MDCT is poised to become essential in the future detection and prevention of coronary artery disease.