Michael L Alosco1, Mary Beth Spitznagel2, Richard Josephson3, Joel Hughes2, John Gunstad4. 1. Department of Psychological Sciences, Kent State University, Kent, OH 44242, USA. 2. Department of Psychological Sciences, Kent State University, Kent, OH 44242, USA; Department of Psychiatry, Summa Health System, Akron City Hospital, Akron, OH, USA. 3. Department of Medicine, University Hospitals Case Medical Center, Cleveland, USA; Harrington Heart & Vascular Institute, Cleveland, OH, USA; Case Western Reserve University School of Medicine, Cleveland, OH, USA. 4. Department of Psychological Sciences, Kent State University, Kent, OH 44242, USA. Electronic address: jgunstad@kent.edu.
Abstract
OBJECTIVE: To examine the associations among chronic obstructive pulmonary disease (COPD), cognitive function, and physical fitness in heart failure (HF). BACKGROUND: Cognitive impairment in HF in part stems from medical comorbidities and poor physical fitness. COPD, a frequent co-existing condition in HF, is a risk factor for cognitive impairment and a known cause of poor physical fitness. Yet, the interplay among COPD, cognition, and physical fitness has never been examined in HF. METHODS: 191 HF patients completed a cognitive test battery and brief physical fitness assessment. Diagnostic history of COPD was ascertained via medical chart review. RESULTS: Regression analyses showed HF patients with COPD exhibited worse attention/executive function and poorer fitness relative to their non-COPD counterparts. Worse fitness correlated with cognitive dysfunction. CONCLUSIONS: COPD is associated with reduced cognition and worse fitness in HF. Longitudinal work that employs objective assessments of COPD is needed to determine directionality and clarify mechanisms.
OBJECTIVE: To examine the associations among chronic obstructive pulmonary disease (COPD), cognitive function, and physical fitness in heart failure (HF). BACKGROUND:Cognitive impairment in HF in part stems from medical comorbidities and poor physical fitness. COPD, a frequent co-existing condition in HF, is a risk factor for cognitive impairment and a known cause of poor physical fitness. Yet, the interplay among COPD, cognition, and physical fitness has never been examined in HF. METHODS: 191 HF patients completed a cognitive test battery and brief physical fitness assessment. Diagnostic history of COPD was ascertained via medical chart review. RESULTS: Regression analyses showed HF patients with COPD exhibited worse attention/executive function and poorer fitness relative to their non-COPD counterparts. Worse fitness correlated with cognitive dysfunction. CONCLUSIONS:COPD is associated with reduced cognition and worse fitness in HF. Longitudinal work that employs objective assessments of COPD is needed to determine directionality and clarify mechanisms.
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