Transesophageal echocardiographic thromboembolic risk is associated with smoking status in patients with atrial fibrillation

Autor: Kyoko Inao, MD, Tadakazu Hirai, MD, Keiko Nakagawa, MD, Satoshi Numa, MD, Kazumasa Ohara, MD, Nobuyuki Fukuda, MD, Koichiro Kinugawa, MD, Hiroshi Inoue, MD
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Journal of Arrhythmia, Vol 33, Iss 6, Pp 613-618 (2017)
Druh dokumentu: article
ISSN: 1880-4276
22439390
DOI: 10.1016/j.joa.2017.07.012
Popis: Background: Smoking is a risk factor for cardiovascular diseases, but it is unclear whether smoking status, including environmental tobacco smoke, increases stroke risk in patients with atrial fibrillation (AF). Abnormalities of the left atrium (LA) and aortic atherosclerosis, as detected by transesophageal echocardiography (TEE), are risk factors for stroke and thromboembolism in AF patients. We investigated the impact of smoking status on thromboembolic risk by TEE in patients with nonvalvular AF. Methods: In 122 patients with AF (mean age, 63 years; chronic AF 50%) who underwent TEE before catheter ablation of AF or for detection of the potential cardioembolic source, urinary concentrations of cotinine and clinical variables including smoking status and the CHA2DS2-VASc score were determined. Results: Severe aortic atherosclerosis and increased aortic wall thickness were more frequently detected by TEE in current smokers than in non-smokers (p
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