The Influence of Exercise Tolerance on Quality of Life among Patients with Heart Failure

The purpose of this study was to explore the influence of exercise tolerance on quality of life (QOL) among patients with heart failure (HF). A descriptive correlational design was used to guide the study. Forty-nine participants who met the selection criteria were enrolled at a medical center in Ta...

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Bibliographic Details
Published in:Quality of life research 2004-06, Vol.13 (5), p.925-932
Main Authors: Jeng, Chii, Yang, Mei-Hsing, Chen, Pao-Lo, Ho, Chiung-Hua
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Cardiac Output, Low - physiopathology
Cardiac Output, Low - psychology
Dyspnea
Exercise
Exercise intensity
Exercise Test
Exercise tolerance
Exercise Tolerance - physiology
Fatigue
Female
Heart
Heart failure
Heart Failure - physiopathology
Heart Failure - psychology
Heart rate
Humans
Male
Middle Aged
Older people
Oxygen
Quality of Life
Statistics as Topic
Stress tests
Surveys and Questionnaires
Taiwan
Walking
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Summary:The purpose of this study was to explore the influence of exercise tolerance on quality of life (QOL) among patients with heart failure (HF). A descriptive correlational design was used to guide the study. Forty-nine participants who met the selection criteria were enrolled at a medical center in Taipei. Data were collected by using the Short-Form 36 and treadmill tests including an exercise intensity-increasing test and duration-increasing test. The results revealed the mean scores of QOL in terms of physical functioning and mental functioning were 66.99 and 68.82, respectively. The average peak$V_{{\rm O}_{2}}$(exercise intensity tolerance) was 4.65 mets. The average exercise duration tolerances were 768.55, 1717.04 and 1923.48 s for reaching 50% heart rate reserve (HRR), 90% HRR, and completing the whole test, respectively. Patients whose exercise intensity tolerance was ≧5 mets or whose exercise duration tolerance was ≧1800 s had better physical functioning, but a significant difference in mental functioning was not observed between the two groups. The findings of the study support the view that exercise testing is safe, feasible, and effective in evaluating exercise tolerance, and that both exercise duration and exercise intensity tolerance were important factors in determining QOL, particularly in physical functioning, for HF patients.
ISSN:0962-9343
1573-2649
DOI:10.1023/B:QURE.0000025604.15624.82