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Influence of systolic and diastolic blood pressure on the risk of incident atrial fibrillation in women

Conen, David and Tedrow, Usha B. and Koplan, Bruce A. and Glynn, Robert J. and Buring, Julie E. and Albert, Christine M.. (2009) Influence of systolic and diastolic blood pressure on the risk of incident atrial fibrillation in women. Circulation : journal of the American Heart Association, Vol. 119. pp. 2146-2152.

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Official URL: http://edoc.unibas.ch/dok/A6004586

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Abstract

BACKGROUND: The influence of systolic and diastolic blood pressure (BP) on incident atrial fibrillation (AF) is not well studied among initially healthy, middle-aged women. METHODS AND RESULTS: A total of 34,221 women participating in the Women's Health Study were prospectively followed up for incident AF. The risk of AF across categories of systolic and diastolic BP was compared by use of Cox proportional-hazards models. During 12.4 years of follow-up, 644 incident AF events occurred. Using BP measurements at baseline, we discovered that the long-term risk of AF was significantly increased across categories of systolic and diastolic BP. Multivariable-adjusted hazard ratios for systolic BP categories ( or =160 mm Hg) were 1.0, 1.00 (95% CI, 0.78 to 1.28), 1.28 (95% CI, 1.00 to 1.63), 1.56 (95% CI, 1.22 to 2.01), and 2.74 (95% CI, 1.77 to 4.22) (P for trend or =95 mm Hg) were 1.0, 1.17 (95% CI, 0.81 to 1.69), 1.18 (95% CI, 0.84 to 1.65), 1.53 (95% CI, 1.05 to 2.23), 1.35 (95% CI, 0.82 to 2.22), and 2.15 (95% CI, 1.21 to 3.84) (P for trend=0.004). When BP changes over time were accounted for in updated models, multivariable-adjusted hazard ratios were 1.0, 1.14 (95% CI, 0.89 to 1.46), 1.37 (95% CI, 1.07 to 1.76), 1.71 (95% CI, 1.33 to 2.21), and 2.21 (95% CI, 1.45 to 3.36) (P for trend >0.0001) for systolic BP categories and 1.0, 1.12 (95% CI, 0.82 to 1.52), 1.13 (95% CI, 0.83 to 1.52), 1.30 (95% CI, 0.89 to 1.88), 1.50 (95% CI, 1.01 to 1.88), and 1.54 (95% CI, 0.75 to 3.14) (P for trend=0.026) for diastolic BP categories. CONCLUSIONS: In this large cohort of initially healthy women, BP was strongly associated with incident AF, and systolic BP was a better predictor than diastolic BP. Systolic BP levels within the nonhypertensive range were independently associated with incident AF even after BP changes over time were taken into account.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Ehemalige Einheiten Medizinische Fächer (Klinik) > Stationäre innere Medizin (Schifferli)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Ehemalige Einheiten Medizinische Fächer (Klinik) > Stationäre innere Medizin (Schifferli)
UniBasel Contributors:Conen, David
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Lippincott Williams & Wilkins
ISSN:0009-7322
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:01 Feb 2013 08:46
Deposited On:01 Feb 2013 08:41

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