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<p>To evaluate the impact of statins on CHD prevention, role of CAC scoring and CCTA in guiding statin therapy for both primary and secondary prevention in ASCVD. Coronary artery calcium (CAC) scoring and coronary computed tomography angiography (CCTA) have emerged as vital non-invasive imaging tools for refining cardiovascular risk assessment and guiding statin therapy in patients with atherosclerotic cardiovascular disease (ASCVD). CAC scoring helps stratify patients based on subclinical atherosclerosis burden, while CCTA provides detailed insights into plaque composition and distribution. Multiple studies, including the Multi-Ethnic Study of Atherosclerosis (MESA) and the CONFIRM registry, have demonstrated the utility of CAC scoring in identifying individuals at risk of major adverse cardiovascular events (MACE) and guiding personalized statin therapy. CAC scores, categorized into risk-based thresholds, enable clinicians to determine when statins should be initiated or deferred. CCTA complements CAC scoring by assessing plaque characteristics, including non-calcified plaque (NCP), calcified plaque, and high-risk features such as low-attenuation plaques, spotty calcifications, and positive remodeling. Serial CCTA imaging has further highlighted the effect of high-intensity statin therapy on plaque progression, demonstrating reductions in NCP and stabilization through increased calcification. CAC scoring effectively identifies patients with subclinical atherosclerosis who would benefit from statin therapy, particularly those with CAC scores &gt; 100 or in the ≥ 75th percentile for age and sex. Statin therapy has been shown to promote plaque stabilization by increasing calcified plaque volume while reducing the progression of non-calcified plaques, thereby mitigating the risk of plaque rupture. CCTA provides additional value by identifying vulnerable plaque features and monitoring the impact of statin therapy over time. Studies have demonstrated significant reductions in total plaque volume and low-attenuation plaques in patients undergoing intensive lipid-lowering therapy, reinforcing the role of CCTA in guiding statin decisions for patients with established ASCVD. CAC scoring serves as a powerful tool to refine risk stratification and guide statin therapy initiation, particularly in asymptomatic individuals. CCTA enhances this approach by providing comprehensive plaque assessment and monitoring the response to statin therapy. Integrating CAC scoring and CCTA into clinical practice allows for a personalized approach to ASCVD management, improving patient outcomes through optimized statin therapy and targeted risk reduction.</p>

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Bridging Prevention and Imaging: The Influence of Statins on CAC and CCTA Findings

  • 期刊论文

  • 发表日期：

    2025年4月8日

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  • Soumya Kambalapalli,
  • Mrinal Bhandari,
  • Natdanai Punnanithinont,
  • Beshoy Iskander,
  • Muneeb A. Khan,
  • Matthew Budoff

摘要

To evaluate the impact of statins on CHD prevention, role of CAC scoring and CCTA in guiding statin therapy for both primary and secondary prevention in ASCVD. Coronary artery calcium (CAC) scoring and coronary computed tomography angiography (CCTA) have emerged as vital non-invasive imaging tools for refining cardiovascular risk assessment and guiding statin therapy in patients with atherosclerotic cardiovascular disease (ASCVD). CAC scoring helps stratify patients based on subclinical atherosclerosis burden, while CCTA provides detailed insights into plaque composition and distribution. Multiple studies, including the Multi-Ethnic Study of Atherosclerosis (MESA) and the CONFIRM registry, have demonstrated the utility of CAC scoring in identifying individuals at risk of major adverse cardiovascular events (MACE) and guiding personalized statin therapy. CAC scores, categorized into risk-based thresholds, enable clinicians to determine when statins should be initiated or deferred. CCTA complements CAC scoring by assessing plaque characteristics, including non-calcified plaque (NCP), calcified plaque, and high-risk features such as low-attenuation plaques, spotty calcifications, and positive remodeling. Serial CCTA imaging has further highlighted the effect of high-intensity statin therapy on plaque progression, demonstrating reductions in NCP and stabilization through increased calcification. CAC scoring effectively identifies patients with subclinical atherosclerosis who would benefit from statin therapy, particularly those with CAC scores > 100 or in the ≥ 75th percentile for age and sex. Statin therapy has been shown to promote plaque stabilization by increasing calcified plaque volume while reducing the progression of non-calcified plaques, thereby mitigating the risk of plaque rupture. CCTA provides additional value by identifying vulnerable plaque features and monitoring the impact of statin therapy over time. Studies have demonstrated significant reductions in total plaque volume and low-attenuation plaques in patients undergoing intensive lipid-lowering therapy, reinforcing the role of CCTA in guiding statin decisions for patients with established ASCVD. CAC scoring serves as a powerful tool to refine risk stratification and guide statin therapy initiation, particularly in asymptomatic individuals. CCTA enhances this approach by providing comprehensive plaque assessment and monitoring the response to statin therapy. Integrating CAC scoring and CCTA into clinical practice allows for a personalized approach to ASCVD management, improving patient outcomes through optimized statin therapy and targeted risk reduction.