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Association of heart rate with mortality in sinus rhythm and atrial fibrillation in heart failure with preserved ejection fraction
Karolinska Univ Hosp, Sweden; Karolinska Inst, Sweden.
Karolinska Inst, Sweden.
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Cardiology in Linköping.ORCID iD: 0000-0001-6353-8041
Sahlgrens Univ Hosp, Sweden.
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2019 (English)In: European Journal of Heart Failure, ISSN 1388-9842, E-ISSN 1879-0844, Vol. 21, no 4, p. 471-479Article in journal (Refereed) Published
Abstract [en]

AimsTo assess the association between atrial fibrillation (AF) and mortality, and also the association between resting heart rate (HR) and mortality in both sinus rhythm (SR) and AF in patients with heart failure with preserved ejection fraction (HFpEF). Methods and resultsA total of 9090 patients with HFpEF (ejection fraction 50%) were included from the Swedish Heart Failure registry; 4296 (47%) had SR and 4794 (53%) had AF. Patients with AF were older (80.3 vs. 75.0years) and more symptomatic compared with patients in SR. The outcome measure was all-cause mortality. The adjusted hazard ratio (95% confidence interval) for AF vs. SR was 1.21 (1.11-1.32). Compared with HR 60b.p.m., the adjusted hazard ratios (95% confidence interval) were in SR: 1.06 (0.92-1.21) for HR 61-70b.p.m., 1.30 (1.12-1.52) for HR 71-80b.p.m., 1.27 (1.07-1.51) for HR 81-90b.p.m., and 1.77 (1.45-2.17) for HR amp;gt;90b.p.m. Due to non-proportional hazards in AF, hazard ratios were estimated in three time periods. Compared with HR 60 b.p.m., the adjusted hazard ratios (95% confidence interval) were in AF: 1.30 (1.07-1.57), 1.07 (0.83-1.39), and 1.01 (0.70-1.48) for HR 61-70b.p.m., 1.35 (1.12-1.62), 0.99 (0.77-1.27), and 0.96 (0.66-1.40) for HR 71-80b.p.m., 1.41 (1.16-1.73), 1.01 (0.76-1.36), and 0.79 (0.51-1.22) for HR 81-90b.p.m., and 1.78 (1.46-2.17), 1.08 (0.80-1.46), and 0.73 (0.46-1.17) for HR amp;gt;90b.p.m., during 0-2, 2-4, and 4-6years of follow-up, respectively. ConclusionIn a large and unselected cohort of patients with HFpEF, AF was independently associated with all-cause mortality. A higher HR was associated with increased mortality in SR. In AF, the effect of a higher HR on mortality was only present during the first years of follow-up, with convergence in outcomes according to baseline HR groups over long-term follow-up.

Place, publisher, year, edition, pages
WILEY , 2019. Vol. 21, no 4, p. 471-479
Keywords [en]
Heart failure with preserved ejection fraction; Atrial fibrillation; Sinus rhythm; Heart rate; Mortality; Registry
National Category
Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:liu:diva-158381DOI: 10.1002/ejhf.1389ISI: 000468038100011PubMedID: 30698317OAI: oai:DiVA.org:liu-158381DiVA, id: diva2:1333619
Note

Funding Agencies|Swedish National Board of Health and Welfare; Swedish Association of Local Authorities and Regions; Swedish Society of Cardiology; Swedish Heart-Lung Foundation [20160522, 20160525, 20170453]; Mats Kleberg Foundation [2017-00096]; Karolinska Institutet Foundations and Funds [2016fobi47721]; Swedish Heart and Lung Association [E101/16]; Ake Wiberg Foundation [M17-0089]; Magnus Bergvall Foundation [2017-02054]; Stockholm County Council [20160329]; Karolinska Institutet [20160329]; University of Gothenburg [ALFGBG-721961]; Vastra Gotalandsregionen [ALFGBG-721961]; Swedish Heart-Lung Foundation

Available from: 2019-07-01 Created: 2019-07-01 Last updated: 2019-07-01

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Division of Cardiovascular MedicineFaculty of Medicine and Health SciencesDepartment of Cardiology in Linköping
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