Bunny J Pozehl1, Rita Mcguire, Kathleen Duncan, Melody Hertzog, Pallav Deka, Joseph Norman, Nancy T Artinian, Matthew A Saval, Steven J Keteyian. 1. Bunny J. Pozehl, PhD, APRN-NP, FHFSA, FAHA, FAAN Professor, University of Nebraska, Medical Center, College of Nursing, Omaha. Rita McGuire, PhD, RN Assistant Professor, University of Nebraska Medical Center, College of Nursing, Lincoln. Kathleen Duncan, PhD, RN Associate Professor, University of Nebraska, Medical Center, College of Nursing, Lincoln. Melody Hertzog, PhD Associate Professor, University of Nebraska, Medical Center, College of Nursing, Lincoln. Pallav Deka, PhD, AGACNP-BC Assistant Professor, University of South Dakota, School of Health Sciences-Nursing, Sioux Falls. Joseph Norman, PhD, PT Professor, University of Nebraska, Medical Center, College of Allied Health, Omaha. Nancy T. Artinian, PhD, RN, FAHA, FAAN Visiting Professor, Michigan State University, East Lansing. Matthew A. Saval, MS, ACSM-RCEP Research Program Manager, Preventive Cardiology, Henry Ford Hospital, Detroit, Michigan. Steven J. Keteyian, PhD Director, Preventive Cardiology, Henry Ford Hospital, Detroit, Michigan.
Abstract
BACKGROUND: Few studies report objective accelerometer-measured daily physical activity levels in patients with heart failure (HF). OBJECTIVE: We examined baseline accelerometer-measured physical activity from the Heart Failure Exercise and Resistance Training Camp trial, a federally funded (R01-HL112979) 18-month intervention study to promote adherence to exercise in patients with HF. Factors associated with physical activity levels were also explored. METHODS: Patients with diagnosed HF (stage C chronic HF confirmed by echocardiography and clinical evaluation) were recruited from 2 urban medical centers. Physical activity energy expenditure and the number of minutes of moderate or vigorous physical activity (MVPA) were obtained from 7 full days of measurement with the accelerometer (Actigraph Model GT3X, Pensacola, Florida) for 182 subjects who met minimum valid wear time parameters. Additional measures of health-related factors were included to explore the association with physical activity levels. RESULTS: Subjects had 10.2 ± 10.5 minutes of MVPA per day. Total physical activity energy expenditure was 304 ± 173 kcal on average per day. There were 23 individuals (12.6%) who met the recommended goal of 150 minutes of MVPA per week. Men, whites, New York Heart Association class II, and subjects with better physical function had significantly higher levels of activity. CONCLUSIONS: Consistent with previous research, patients with HF are not meeting recommended guidelines for 150 minutes of MVPA per week.
BACKGROUND: Few studies report objective accelerometer-measured daily physical activity levels in patients with heart failure (HF). OBJECTIVE: We examined baseline accelerometer-measured physical activity from the Heart Failure Exercise and Resistance Training Camp trial, a federally funded (R01-HL112979) 18-month intervention study to promote adherence to exercise in patients with HF. Factors associated with physical activity levels were also explored. METHODS:Patients with diagnosed HF (stage C chronic HF confirmed by echocardiography and clinical evaluation) were recruited from 2 urban medical centers. Physical activity energy expenditure and the number of minutes of moderate or vigorous physical activity (MVPA) were obtained from 7 full days of measurement with the accelerometer (Actigraph Model GT3X, Pensacola, Florida) for 182 subjects who met minimum valid wear time parameters. Additional measures of health-related factors were included to explore the association with physical activity levels. RESULTS: Subjects had 10.2 ± 10.5 minutes of MVPA per day. Total physical activity energy expenditure was 304 ± 173 kcal on average per day. There were 23 individuals (12.6%) who met the recommended goal of 150 minutes of MVPA per week. Men, whites, New York Heart Association class II, and subjects with better physical function had significantly higher levels of activity. CONCLUSIONS: Consistent with previous research, patients with HF are not meeting recommended guidelines for 150 minutes of MVPA per week.
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