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A Systematic Review of Exercise Interventions in Patients With Heart Failure

Department of Nursing, Kaohsiung Medical University Hospital and College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan, d750015{at}cc.kmu.edu.tw, School of Nursing, University of Texas Health Science Center at Houston, Houston, Texas

Janet C. Meininger, PhD, RN, FAAN

School of Nursing, University of Texas Health Science Center at Houston, Houston, Texas, School of Public Health, University of Texas Health Science Center at Houston, Houston, Texas

Lorraine Q. Frazier, RN, PhD, MS

School of Nursing, University of Texas Health Science Center at Houston, Houston, Texas

The incidence of heart failure (HF) is increasing as the population ages. Pharmacotherapy is an important component of treatment and yields significant improvements in survival and quality of life. In recent decades, exercise has gradually become accepted as an intervention beneficial to patients with HF, but more information is needed to clarify the effects of exercise and optimize interventions. Therefore, a systematic review of randomized controlled trials published from 1966 to October 2006 was carried out via PubMed. About 69 trials were reviewed, which used as main outcome measures: (a) central hemodynamic parameters, (b) peripheral blood flow, (c) endothelial function, (d) activation of neurohormones and cytokine systems, (e) structure of and metabolism in skeletal muscles, and/or (f) quality of life. Study findings suggest that the favorable physiological responses to exercise might slow some of the pathophysiological progression of HF. However, most of the trials reviewed here were based on relatively small samples and selected participant groups, and the exercise programs varied widely. These limitations and inconsistencies need to be addressed through further studies. Furthermore, reliable strategies for maintaining the positive effects of exercise and extending them to patients' daily life and quality of life are scarce in these trials. These domains need further exploration through rationally designed, large-scale randomized controlled trials.

Key Words: heart failure • exercise • physical activity • randomized controlled trial

Biological Research For Nursing, Vol. 10, No. 2, 156-182 (2008)
DOI: 10.1177/1099800408323217


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