Journal
ANGIOLOGY
Volume 71, Issue 1, Pages 70-76Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/0003319719870950
Keywords
resting heart rate; left ventricular hypertrophy; electrocardiogram; cohort study
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Both elevated resting heart rate (HR) and electrocardiographic left ventricular hypertrophy (ECG-LVH) are signs of a poor prognosis. Although elevated resting HR is a known risk factor for cardiovascular disease and target organ damage, the association between resting HR and the development of ECG-LVH is unclear. In the present study, 6860 subjects (4203 men, 2657 women, 19-89 years of age) without ECG-LVH at baseline were evaluated and followed for a mean duration of 3.7 +/- 1.4 years. During the follow-up period, 484 (7.1%) subjects developed ECG-LVH. Cox regression analysis revealed that each 10 beats/min increase in resting HR was associated with a 22% reduction in the development of ECG-LVH (95% confidence interval: 12%-30%, P < .0001) in men. While an increase in HR tended to be associated with the development of ECG-LVH in women, the relationship was not significant. In contrast to the concept that an elevated resting HR is a cardiovascular risk factor, these findings revealed that resting HR was negatively associated with the development of ECG-LVH in men.
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