Coronary calcium: new insights, recent data, and clinical role

George Youssef1, Nove Kalia, Sirous Darabian

  • 1Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502, USA. gyoussef@labiomed.org

Current Cardiology Reports
|December 20, 2012
PubMed

Insights

Coronary artery calcium (CAC) scoring is a validated tool for cardiovascular risk assessment and aids in ruling out cardiac chest pain. CAC testing motivates patients toward better adherence to preventive practices and medications.

Area of Science:

  • Preventive Cardiology
  • Cardiovascular Imaging
  • Risk Stratification

Background:

  • Coronary artery calcium (CAC) scoring is a key component of modern preventive cardiology.
  • It has been extensively studied and validated for cardiovascular risk assessment.
  • CAC complements traditional risk scores like the Framingham Risk Score.

Purpose of the Study:

  • To highlight the integral role of CAC scoring in cardiovascular risk assessment.
  • To discuss the application of CAC testing in emergency department chest pain algorithms.
  • To emphasize the motivational impact of CAC results on patient adherence to preventive measures.

Main Methods:

  • Review of existing studies and guidelines on CAC scoring.
  • Analysis of CAC's role in risk stratification for cardiovascular disease.
  • Evaluation of CAC's utility in emergency settings for chest pain assessment.

Main Results:

  • CAC scoring is a powerful tool for cardiovascular risk assessment.
  • UK NICE guidelines now incorporate CAC testing for low-to-intermediate risk chest pain patients.
  • CAC-guided risk assessment enhances patient motivation and adherence to therapies.

Conclusions:

  • CAC scoring is recommended by national and international guidelines for preventive cardiology.
  • The test effectively rules out cardiac causes of chest pain in specific patient groups.
  • CAC testing empowers patients, improving preventive practice and medication compliance.

Related Concept Videos

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...