Association of tobacco use and cessation with coronary atherosclerosis

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art_CHEEZUM_Association_of_tobacco_use_and_cessation_with_coronary_2017.PDF (807.61 KB)
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23
Tipo de produção
article
Data de publicação
2017
Editora
ELSEVIER IRELAND LTD
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Scopus
Web of Science
PubMed
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Título do Volume
Autores
CHEEZUM, Michael K.
KIM, Alexander
KASSOP, David
NISSEN, Alexander
THOMAS, Dustin M.
Binh Nguyen
GLYNN, Robert J.
SHAH, Nishant R.
VILLINES, Todd C.
Autor de Grupo de pesquisa
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Coordenadores
Organizadores
Citação
ATHEROSCLEROSIS, v.257, p.201-207, 2017
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Background and aims: The impact of tobacco use and cessation on atherogenesis remains unclear. We aimed to study the association of tobacco use and prior cessation with the presence, extent and severity of atherosclerosis on coronary computed tomographic angiography (CTA). Methods: We examined 1798 consecutive symptomatic patients without known coronary artery disease (CAD) referred for CTA, stratified by smoking status (never, current [within 30 days], or former [>30 days before CTA]). Plaque severity (none, <50%, >= 50% stenosis), composition (non-calcified [NCP], partially calcified [PCP], or calcified plaque [CP]), and segment involvement score (SIS) were visually graded. Multivariate analysis was performed, adjusting for CAD risk factors and cholesterol lowering medication use. Results: The median age of patients was 50 years [IQR: 42-58] (61% male), with 74% never smokers, 12% current smokers, and 14% former smokers (median quit duration = 12 years [IQR: 3-26]). Smoking exposure in former versus current smokers was 11 [IQR: 5-25] and 10 [IQR: 2-20] pack-years, respectively (p = 0.01). Compared to never smokers, current smokers demonstrated an increased odds ratio of all plaque types (adjusted OR: any NCP = 1.55 [95% CI 1.04-2.32], p = 0.03; any PCP = 1.61 [1.10-2.37], p = 0.02; any CP = 1.93 [1.32-2.81], p = 0.001), non-obstructive CAD (aOR = 1.47 [1.04, 2.07], p = 0.03), obstructive CAD (aOR = 1.81 [1.01-3.24], p = 0.047), and SIS > 4 (aOR = 1.60 [1.04e2.46], p = 0.03). Compared to current smoking, prior smoking cessation (>= 12 years) was associated with a decreased odds ratio of any NCP (aOR = 0.42 [0.19-0.90], p = 0.03), CP (aOR = 0.43 [0.22-0.84], p = 0.02), and obstructive CAD (aOR = 0.40, [0.15-0.98], p = 0.048). Conclusions: Current smoking is independently associated with the presence and extent of coronary plaque, and a higher risk of non-obstructive and obstructive CAD compared to never smoking. Prior smoking cessation correlated with improvements in CTA-identified plaque measures.
Palavras-chave
Atherosclerosis, Coronary computed tomographic angiography, Smoking, Tobacco, Coronary artery disease
URI
https://observatorio.fm.usp.br/handle/OPI/21608
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Coleções
Artigos e Materiais de Revistas Científicas - HU
Artigos e Materiais de Revistas Científicas - HC/ICESP
Artigos e Materiais de Revistas Científicas - ODS/03