Calcium score test or coronary artery calcium test

Calcium score test : cardiology division

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In the field of cardiovascular diagnostics, the calcium score test is emerging as an essential measure, offering a nuanced assessment of an individual's coronary health. This comprehensive guide aims to elucidate the subtleties of this diagnostic modality, targeting a discerning audience keen to understand the nuances of cardiovascular risk assessment. Cardiology, heart failure and cardiovascular aspects will be covered for a thorough understanding of this crucial measure in heart health.

What is the calcium score test ?

A calcium score test is a non-invasive imaging technique, quantifies the extent of calcium deposition in coronary arteries. This deposit, an indicator of atherosclerotic plaque load, serves as a surrogate marker for potential cardiovascular pathology. Using computed tomography (CT) technology, this diagnostic tool provides detailed information on the calcium architecture of the coronary vasculature.

À qui s’adresse le test du score calcique ?

Le test de score calcique est important pour les personnes de 40 à 70 ans à risque de maladie cardiaque, même sans symptômes. Il est recommandé pour ceux avec des antécédents familiaux de maladie cardiaque, qui ont fumé, ont un taux de cholestérol élevé, du diabète ou de l’hypertension. Il est également utile pour les personnes en surpoids, obèses, peu actives ou avec d’autres facteurs de risque. Même les moins de 40 ans avec un haut taux de cholestérol familial devraient envisager ce test. Cependant, il a des limites et ne peut pas détecter certaines formes de maladie cardiaque. C’est un outil supplémentaire pour les professionnels de la santé pour évaluer le risque et guider les décisions sur les traitements comme les statines.

À quelle fréquence doit-on subir un test de score calcique ?

The frequency of calcium score testing varies according to various factors, especially individual risk and medical considerations. For people at high cardiovascular risk, regular assessments are recommended. The best frequency of testing depends on a personalized consultation with a healthcare professional.

Which subjects should not undergo such tests?

Application for the calcium score test depends on specific medical situations. Pregnant women and those with a history of heart problems may not be eligible. A thorough medical assessment is required to ensure that the test is appropriate and useful. Factors such as exercise, blood pressure and risk of vascular accidents will be taken into account during this in-depth assessment.

Score calcique : un outil clé pour prévenir les maladies cardiovasculaires

Le score calcique coronaire constitue un indicateur essentiel dans la prévention des maladies cardiovasculaires, en particulier chez les patients présentant des facteurs de risque comme l’hypertension artérielle, un taux élevé de LDL ou des antécédents d’infarctus du myocarde. En détectant les dépôts de calcium au niveau des parois des artères coronariennes, ce test aide à anticiper la survenue d’événements cardiaques aigus tels que l’angine de poitrine, l’obstruction artérielle ou la formation de caillots pouvant perturber la circulation sanguine. Un score élevé peut justifier une prise en charge plus intensive par un cardiologue, avec un suivi renforcé et l’évaluation de la nécessité d’interventions comme l’angioplastie. Ce type d’évaluation, bien que centré sur le cœur, a aussi des implications pour les autres territoires vasculaires, notamment les membres inférieurs ou le système vasculaire cérébral, réduisant ainsi le risque d’accident vasculaire cérébral ou d’atteinte pulmonaire secondaire.

Coronary Artery Calcium test (CAC)

How do I prepare for the calcium score test?

Prepare yourself well before the calcium score test. No need to fast or change your diet, but avoid clothing with metal parts. This can interfere with the CT images of your chest. Your physical activity, blood pressure and medical history are also taken into account to ensure proper preparation.

How does a calcium score test work?

Calcium scoring is performed using a non-contrast CT scan. This rapid examination captures detailed images of the coronary arteries to detect calcium deposits. It is safe and can be performed regularly, taking into account blood pressure and physical activity.

What are the risks and complications of a coronary artery calcium test ?

Calcium score testing is generally safe. It involves very little radiation, and complications are rare. This test can detect problems of fat accumulation in the arteries at an early stage, making it a useful diagnostic tool. It is used in conjunction with blood pressure measurement and physical activity evaluation to ensure a complete and safe assessment of the patient's heart health.

Calcium score test : how to interpret the results ?

At the end of the calcium score examination, it's crucial to look at the results. A score of zero means there are no visible calcium deposits, suggesting a low risk of heart problems. Higher scores indicate an increase in the presence of plaque in the arteries, requiring further investigation and possibly treatment.

Understanding calcium score is essential for artery health. It enables early intervention, reducing the risk of heart problems. The score guides healthcare professionals in maintaining healthy blood vessels.

A high calcium score means you have coronary atherosclerosis. A score of 100 or less indicates mild evidence of coronary artery disease. Over 400 means there is extensive evidence of coronary disease, while a score between 100 and 400 is considered moderate. You often receive a percentile score with your calcium score, which indicates how you compare with others of the same age, sex and ethnic origin who have undergone this test.

It is important to note that the calcium score test does not directly show clogged arteries. It reveals the presence of calcium deposits, indicating the presence of plaques. For a more detailed assessment and interventions such as stents, other imaging tests, such as coronary angiography, are required.

Dernière mise à jour : le 30 mai 2025
Controlled by Dr Charles Yana

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