Abstract
Background
There is concern that the development of heart failure and atrial fibrillation has
a detrimental influence on clinical outcomes. The aim of this study was to assess
all-cause mortality and length of hospital stay in patients with chronic and new-onset
concomitant AF and HF.
Methods
Using the ACALM registry, we analysed adults hospitalised between 2000 and 2013 with
AF and HF and assessed prevalence, mortality and length of hospital stay. Patients
with HF and/or AF at baseline (study-entry) were compared with patients who developed
new-onset disease during follow-up.
Results
Of 929,552 patients, 31,695 (3.4%) were in AF without HF, 20,768 (2.2%) had HF in
sinus rhythm, and 10,992 (1.2%) had HF in AF. Patients with HF in AF had the greatest
all-cause mortality (70.8%), followed by HF in sinus rhythm (64.1%) and AF alone (45.1%,
p < 0.0001). Patients that developed new-onset AF, HF or both had significantly worse
mortality (58.5%, 70.7% and 74.8% respectively) compared to those already with the
condition at baseline (48.5%, 63.7% and 67.2% respectively, p < 0.0001). Patients with HF in AF had the longest length of hospital stay (9.41 days, 95% CI 8.90–9.92), followed by HF in sinus rhythm (7.67, 95% CI 7.34–8.00) and
AF alone (6.05, 95% CI 5.78–6.31).
Conclusions
Patients with HF in AF are at a greater risk of mortality and longer hospital stay
compared to patients without the combination. New-onset AF or HF is associated with
significantly worse prognosis than long-standing disease.
Keywords
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Article info
Publication history
Accepted:
June 5,
2017
Received in revised form:
April 9,
2017
Received:
November 10,
2016
Identification
Copyright
© 2017 Elsevier B.V. All rights reserved.
ScienceDirect
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- Heart failure and atrial fibrillation: Can we break this nexus?International Journal of CardiologyVol. 252
- PreviewHeart failure (HF) [1] and atrial fibrillation (AF) [2] are ongoing epidemics, each making a major impact on morbidity, mortality and health care costs. Based on significant commonality of risk factors and pathophysiology, it is inevitable for these conditions to overlap. In the current issue of the Journal, Ziff and colleagues [3] present results from a large hospital-based database in the UK (ACALM registry), showing that patients who suffer from both HF and AF have significantly higher all-cause mortality over time (71%), compared to those with either HF (64%) or AF (45%).
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