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- Kanai, M, et al.
(author)
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- 2023
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swepub:Mat__t
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- Ekman, Inger, 1952, et al.
(author)
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Symptoms in patients with heart failure are prognostic predictors. Insights from COMET
- 2005
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In: Journal of Cardiac Failure. - : Elsevier BV. - 1071-9164. ; 11:4, s. 288-92
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Journal article (peer-reviewed)abstract
- BACKGROUND: Although functional status, as assessed by the New York Heart Association classification, is known to be a powerful prognostic marker in chronic heart failure (CHF), the significance of individual symptoms such as breathlessness and fatigue are unknown. OBJECTIVE: To assess the relative importance of self-reported severity of symptoms as predictors of outcomes in CHF. METHODS AND RESULTS: All 3029 patients randomized in the Carvedilol or Metoprolol European Trial (ie, COMET) study were included in the analysis. Mean follow-up was 58 months. Symptoms were assessed by 5-point scales. In a univariate analysis, worse scores for breathlessness, orthopnea and fatigue were all significantly related to increased mortality (all P < .0001) and development of worsening heart failure. In a multivariate Cox regression analysis including 16 baseline covariates, only the symptom of breathlessness remained significantly related to mortality (risk ratio [RR] 1.14 per unit: 95% CI 1.04-1.26; P = .01). Fatigue, but not breathlessness, remained a significant predictor for developing worsening heart failure (RR 1.09 per unit; 95% CI 1.02-1.18; P = .02). CONCLUSIONS: Fatigue and breathlessness, common symptoms in CHF, have important and independent long-term prognostic implications. Accordingly, symptoms need to be effectively evaluated not only because symptom alleviation is a target for treatment, but also because they guide prognosis in patients with CHF.
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