Why the study?
Heart failure and COPD frequently coexist and negatively affect functional capacity, but the critical determinants of the 6-minute walk distance in patients with HF-COPD overlap needed identification and analysis.
Gait speed and lung function may inform 6MWT interpretation in HF-COPD overlap; leaves open whether targeting predictors improves outcomes.
Background Heart failure (HF) and chronic obstructive pulmonary disease (COPD) frequently coexist in clinical practice, with both conditions negatively affecting individuals’ functional capacity, often measured using the 6-minute walk test (6MWT). Cardiovascular, pulmonary, and metabolic impairments may influence the 6-minute walk distance (6MWD). Objective This study aims to identify and analyze the critical determinants of the 6MWD among subjects with HF-COPD overlap. Methods A cross-sectional study was conducted. Individuals underwent the 6MWT. Respiratory muscle strength was assessed by measuring [...]
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Dadalt et al. (2025) studied this question.
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