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Low Atrial Fibrilla...
Low Atrial Fibrillatory Rate Is Associated with Poor Outcome in Patients with Mild to Moderate Heart Failure.
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- Platonov, Pyotr (författare)
- Lund University,Lunds universitet,Kardiologi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Cardiology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine
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Cygankiewicz, Iwona (författare)
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Stridh, Martin (författare)
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- Holmqvist, Fredrik (författare)
- Lund University,Lunds universitet,Kardiologi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Cardiology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine
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Vazquez, Rafael (författare)
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Bayes-Genis, Antoni (författare)
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McNitt, Scott (författare)
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Zareba, Wojciech (författare)
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Bayes de Luna, Antonio (författare)
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(creator_code:org_t)
- 2012
- 2012
- Engelska.
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Ingår i: Circulation: Arrhythmia and Electrophysiology. - 1941-3084. ; 5:1, s. 77-83
- Relaterad länk:
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- BACKGROUND: -Atrial fibrillatory rate (AFR) is a measure of atrial remodeling caused by atrial fibrillation (AF) and its acceleration negatively affects outcome of interventions for persistent AF. However, the prognostic value of AFR in patients with CHF has not been studied. We sought to evaluate whether AFR can predict outcome in patients with mild to moderate (NYHA II-III) congestive heart failure (CHF). METHODS AND RESULTS: -High-resolution 20-min long Holter ECGs obtained from 169 CHF patients with AF at enrollment were analyzed. AFR was estimated using spatiotemporal QRST cancellation and time-frequency analysis. The patients were followed for a median of 44 months with primary endpoint defined as total mortality and secondary endpoints as sudden death and heart failure death. Atrial signal quality was sufficient for AFR estimation in 142 patients (mean age 69±11 years, 101 male). Of those, 48 patients died during follow-up, including 18 due to CHF progression. Mean AFR was 390±60 fpm and decreased with age (r=-0.3, p<0.001). Patients with AFR≤371 fpm (lower tertile) had 44% 3-year mortality as compared to 26% with higher AFR. Lower AFR was an independent predictor of all cause mortality (HR=1.99, 95% CI=1.09-3.63, p=0.025) and CHF death (HR=3.74, 95% CI=1.38-10.14, p=0.010) after adjustment for significant clinical covariates in multivariable Cox analysis. CONCLUSIONS: -In CHF patients with AF, reduced AFR assessed using non-invasive approach is associated with increased risk of death due to heart failure progression and may be considered as a predictor of outcome.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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