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      Coronary artery calcium score: current status Translated title: Escore de cálcio coronariano: estado atual

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          Abstract

          The coronary artery calcium score plays an Important role In cardiovascular risk stratification, showing a significant association with the medium- or long-term occurrence of major cardiovascular events. Here, we discuss the following: protocols for the acquisition and quantification of the coronary artery calcium score by multidetector computed tomography; the role of the coronary artery calcium score in coronary risk stratification and its comparison with other clinical scores; its indications, interpretation, and prognosis in asymptomatic patients; and its use in patients who are symptomatic or have diabetes.

          Translated abstract

          O escore de cálcio coronariano tem papel relevante na estratificação de risco cardiovascular, apresentando significativa associação com a ocorrência de eventos cardiovasculares maiores no acompanhamento de médio e longo prazo. São discutidos: os protocolos de aquisição e quantificação por meio da tomografia computadorizada multidetectores; seu papel na estratificação de risco coronariano e relação com os demais escores clínicos; suas indicações, interpretação e prognóstico em pacientes assintomáticos; sua utilização em pacientes sintomáticos e em diabéticos.

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          Most cited references42

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          Coronary calcium as a predictor of coronary events in four racial or ethnic groups.

          In white populations, computed tomographic measurements of coronary-artery calcium predict coronary heart disease independently of traditional coronary risk factors. However, it is not known whether coronary-artery calcium predicts coronary heart disease in other racial or ethnic groups. We collected data on risk factors and performed scanning for coronary calcium in a population-based sample of 6722 men and women, of whom 38.6% were white, 27.6% were black, 21.9% were Hispanic, and 11.9% were Chinese. The study subjects had no clinical cardiovascular disease at entry and were followed for a median of 3.8 years. There were 162 coronary events, of which 89 were major events (myocardial infarction or death from coronary heart disease). In comparison with participants with no coronary calcium, the adjusted risk of a coronary event was increased by a factor of 7.73 among participants with coronary calcium scores between 101 and 300 and by a factor of 9.67 among participants with scores above 300 (P<0.001 for both comparisons). Among the four racial and ethnic groups, a doubling of the calcium score increased the risk of a major coronary event by 15 to 35% and the risk of any coronary event by 18 to 39%. The areas under the receiver-operating-characteristic curves for the prediction of both major coronary events and any coronary event were higher when the calcium score was added to the standard risk factors. The coronary calcium score is a strong predictor of incident coronary heart disease and provides predictive information beyond that provided by standard risk factors in four major racial and ethnic groups in the United States. No major differences among racial and ethnic groups in the predictive value of calcium scores were detected. Copyright 2008 Massachusetts Medical Society.
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            Quantification of coronary artery calcium using ultrafast computed tomography

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              2013 ACC/AHA guideline on the assessment of cardiovascular risk: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines.

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                Author and article information

                Journal
                Radiol Bras
                Radiol Bras
                rb
                Radiologia Brasileira
                Colégio Brasileiro de Radiologia e Diagnóstico por Imagem
                0100-3984
                1678-7099
                May-Jun 2017
                May-Jun 2017
                : 50
                : 3
                : 182-189
                Affiliations
                [1 ] Full Member of the Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR), MD, Radiologist at the Hospital Santa Luzia, Brasília, DF, Brazil.
                [2 ] MD, PhD, Radiologist at the Hospital Santa Luzia, Brasília, DF, Brazil.
                Author notes
                Mailing address: Dr. Priscilla Ornellas Neves. Hospital Santa Luzia – Centro de Diagnóstico por Imagem. SHLS 716, conjunto E, Asa Sul. Brasília, DF, Brazil. E-mail: prineves@ 123456yahoo.com .
                Article
                10.1590/0100-3984.2015.0235
                5487233
                28670030
                7a8e9318-8d9d-4541-8652-149eba473e82
                © Colégio Brasileiro de Radiologia e Diagnóstico por Imagem

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 11 December 2015
                : 17 June 2016
                Categories
                Review Article

                calcinosis/diagnosis,cardiomyopathies/diagnosis,tomography, x-ray computed,cardiovascular diseases/epidemiology,coronary artery disease/epidemiology

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