Key result
Comparison of functional evaluation methods in chronic heart failure revealed less than 50% concordance between NYHA classification and cardiopulmonary exercise testing or 6-minute walk test.
Why the study?
How do different methods of functional evaluation (NYHA, GASC, CPET, 6-MWT) correlate in assessing functional capacity in patients with chronic heart failure?
Population
143 patients with chronic heart failure (CHF) aged less than 70 years (mean 57.3 years, 78 male and 65 female)
Design
Cross-sectional
Authors
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NYHA shows poor concordance with objective tests; leaves open optimal functional assessment method in chronic HF.
Observational (n=143)
How do different methods of functional evaluation (NYHA, GASC, CPET, 6-MWT) correlate in assessing functional capacity in patients with chronic heart failure?
Different methods of functional evaluation in chronic heart failure show high discordance, highlighting that no single test provides a definitive assessment of functional capacity.
Rostagno et al. (2000) conducted an observational in Chronic Heart Failure (n=143). Functional evaluation methods (NYHA, GASC, CPET, 6-MWT) was evaluated on Concordance between NYHA classification and levels of performance at cardiopulmonary exercise test or 6-MWT. Comparison of functional evaluation methods in chronic heart failure revealed less than 50% concordance between NYHA classification and cardiopulmonary exercise testing or 6-minute walk test.
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