Key result
The Dutch Fatigue Scale, Dutch Exertion Fatigue Scale, and Fatigue Pictogram tools detected worsening fatigue levels corresponding to increased illness severity by NYHA classification.
Why the study?
Do the DUFS, DEFS, and Fatigue Pictogram tools correlate with NYHA Functional Classification and LVEF in patients with heart failure?
Cross-Sectional (n=118)
Do the DUFS, DEFS, and Fatigue Pictogram tools correlate with NYHA Functional Classification and LVEF in patients with heart failure?
The DUFS, DEFS, and Fatigue Pictogram tools can effectively detect worsening fatigue levels corresponding to illness severity assessed by NYHA functional class in heart failure patients.
Answers are grounded in this paper and cite their sources.
Fatigue scales differ by NYHA class in HF; leaves open added value beyond LVEF for symptom monitoring.
OBJECTIVE: To compare the distributions of measurements of the Dutch Fatigue Scale (DUFS), Dutch Exertion Fatigue Scale (DEFS), and Fatigue Pictogram tools, according to the New York Heart Association (NYHA) Functional Classification and left ventricular ejection fraction (LVEF). METHOD: Methodological, cross-sectional study with 118 patients with heart failure. Variance analysis, Pearson's correlation, and Fisher's exact tests were carried out, with a significance level of 0.05. RESULTS: There was an increase in the DUFS and DEFS means with worsening of the NYHA-FC (p<0.001, for both tools). Correlations among the LVEF resulted in positive and weak magnitude for the DEFS (r=0.18; p=0.05) and for the DUFS (r=0.16; p=0.08). Just the item A on the Fatigue Pictogram had an association with the NYHA-FC (p<0.001) and the LVEF (p=0.03). CONCLUSION: Three tools detected worsening in fatigue levels according to the illness severity assessed by the NYHA-FC.
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Nepomuceno et al. (2018) conducted a cross-sectional in Heart failure (n=118). Fatigue assessment tools (DUFS, DEFS, Fatigue Pictogram) was evaluated on Distributions of measurements of fatigue tools according to NYHA Functional Classification and LVEF (p=<0.001). The Dutch Fatigue Scale, Dutch Exertion Fatigue Scale, and Fatigue Pictogram tools detected worsening fatigue levels corresponding to increased illness severity by NYHA classification.
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