• AshenM DominiqueMDThe Ciccarone Center for the Prevention of Cardiovascular Disease, Division of Cardiology, Department of Medicine, Johns Hopkins School of Medicine, The Johns Hopkins University, Baltimore, Maryland., Kathryn A Carson, and Elizabeth V Ratchford.
• The Ciccarone Center for the Prevention of Cardiovascular Disease, Division of Cardiology, Department of Medicine, Johns Hopkins School of Medicine, The Johns Hopkins University, Baltimore, Maryland.
• Am J Prev Med. 2022 Jan 1; 62 (1): 18-25.

IntroductionSudden cardiac death is the main cause of death among firefighters. The goal of this study is to identify firefighters at risk for cardiovascular disease using coronary artery calcium screening.MethodsAsymptomatic firefighters aged ≥40 years without known cardiovascular disease or diabetes (N=487) were recruited from fire departments in 3 Maryland counties from 2016 to 2018, with data analysis from 2018 to 2019. The cardiovascular disease prevention program included an evaluation of blood pressure, cholesterol, BMI, fasting glucose, medications, and a coronary calcium scan. A subset (n=100) was evaluated in more detail, including family history, metabolic syndrome, diet, exercise, smoking, and atherosclerotic cardiovascular disease risk score.ResultsResults indicated that 191 (39%) firefighters had a coronary artery calcium score >0, of which 91% were above the average for age, sex, and ethnicity. On univariable logistic regression, older age, male sex, hypertension, BMI, and glucose were significantly (p<0.05) associated with a higher likelihood of having any coronary artery calcium. Multiple logistic regression found that older age; male sex; taking lipid-lowering or antihypertensive medications; and higher low-density lipoprotein cholesterol, BMI, and fasting blood glucose were significantly associated with a higher likelihood of having coronary artery calcium. Of those with coronary artery calcium, 141 (74%) were not on lipid-lowering medication. In addition, 47 (94%) of those on lipid-lowering medication had a low-density lipoprotein cholesterol >70 mg/dL. In the detailed subset, 30 (30%) had coronary artery calcium. Among these, 28 (93%) had an atherosclerotic cardiovascular disease risk score <7.5%. Thus, if atherosclerotic cardiovascular disease scores alone were used to assess risk in this subset, an opportunity would have been missed to identify and treat firefighters who may have benefited from more aggressive treatment.ConclusionsA coronary artery calcium scan may identify the firefighters at increased risk for cardiovascular disease. A comprehensive cardiovascular disease prevention program implemented early in a firefighter's career may help reduce cardiovascular disease risk and thus death and disability in this high-risk population.Copyright © 2021 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

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