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Coronary calcium scanning independently detects coronary artery disease in asymptomatic firefighters: a prospective study.

Abstract：

BACKGROUND:Sudden cardiac death is the leading cause of death among firefighters in the United States. Fire departments commonly maintain physical examination protocols, often with exercise stress testing, to detect risk of coronary heart disease. OBJECTIVE:We sought to determine whether coronary calcium detected by electron beam computed tomography (EBCT) adds incremental risk stratification beyond the traditional risk factors in asymptomatic community-based firefighters. METHODS:Three hundred ninety nine asymptomatic firefighters underwent a coronary calcium scan on a GE/Imatron C-150 Ultrafast EBCT scanner, using standardized imaging protocols. Framingham risk factor data were obtained on each patient by using a questionnaire. Agatston scores were derived and compared with national database of Agatston scores for asymptomatic populations on the basis of age and sex, allowing determination of a calcium percentile for each score. RESULTS:Coronary calcium was found only in men >34 years of age. Of the 53% who had positive scans (Agatston score > 0), 87% had higher than average Agatston scores compared with a national database (P < 0.01). Agatston score above the 75th percentile was found in 57% of firefighters. No correlation was observed between traditional risk factors and those with and without coronary calcium. CONCLUSIONS:Firefighters have a high burden of calcified coronary atherosclerosis, greater than anticipated on the basis of age and coronary risk factors.

journal_name

J Cardiovasc Comput Tomogr

journal_title

Journal of cardiovascular computed tomography

authors

Santora LJ,Pillutla P,Norris T,Santora R,Brandt R,Jenkins M,Robinson M,Santora N,Budoff MJ

doi

10.1016/j.jcct.2012.07.003

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

46-50

issue

1

eissn

1934-5925

issn

1876-861X

pii

S1934-5925(12)00414-5

journal_volume

7

pub_type

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