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Updated: Nov 5, 2025
04:40
Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
15.5K
Utilizing coronary artery calcium to guide statin use.
Ilana Golub1, Suvasini Lakshmanan1, Suraj Dahal1
1Harbor-UCLA Medical Center Lundquist Institute, Torrance, CA, USA.
Atherosclerosis
|May 17, 2021
Summary
Coronary artery calcium (CAC) screening is a key tool for assessing atherosclerotic cardiovascular disease (ASCVD) risk. CAC testing helps guide preventative statin therapies, improving patient outcomes and treatment decisions.
Area of Science:
- Cardiology
- Preventative Medicine
- Medical Imaging
Background:
- Cardiovascular disease (CVD) is the leading global cause of death.
- Coronary artery calcium (CAC) screening is a marker for coronary atherosclerosis and atherosclerotic cardiovascular disease (ASCVD).
- CAC testing aids in managing preventative statin therapies for asymptomatic individuals.
Purpose of the Study:
- To discuss the role of CAC in determining ASCVD risk.
- To review the rationale behind CAC utilization in the 2018 ACC/AHA Cholesterol Guidelines.
- To explore the benefits and limitations of CAC scoring in clinical practice.
Main Methods:
- Review of existing literature and guidelines.
- Analysis of CAC's impact on ASCVD risk reclassification.
- Examination of studies on the number needed to treat (NNT) with CAC guidance.
Main Results:
- CAC scoring effectively reclassifies ASCVD risk.
- CAC-guided therapy significantly reduces the NNT for preventing major cardiac events.
- CAC offers value-based advantages, including cost-effectiveness and improved patient adherence.
Conclusions:
- CAC scoring is a critical tool for stratifying ASCVD risk and guiding preventative treatments.
- The utility of CAC extends beyond the general population, with specific considerations.
- Further discussion is warranted on the optimal integration of CAC into clinical decision-making for cardiovascular risk management.
Keywords:
Atherosclerotic cardiovascular diseaseCardiovascular diseaseComputed tomography angiographyCoronary artery calciumNumber needed to treatMore Related Videos
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