Ana L Mulero Portela, Carmen L Colón Santaella, Laura Q Rogers, Mariam Missaghian Vissepo
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引用次数: 0
Abstract
Purpose: Compare the effects of low-intensity and moderate-intensity exercise on physical functioning in breast cancer survivors.
Methods: Women aged 50 + years and post-primary treatment for stage 0 to III breast cancer were randomly assigned to a 6-month low-intensity (LIG) or moderate-intensity (MIG) exercise group. Participants were instructed to walk (low- or moderate-intensity) for 30 min five days a week, followed by flexibility exercises, and do strengthening and balance exercises twice weekly. Exercise adherence was facilitated with seven individual counseling sessions tapered over six months and a Theory of Planned Behavior-based booklet. Assessments occurred at baseline, 6 months (post-intervention), and 12 months. Primary measures were PROMIS Physical Functioning, PROMIS Global Health, and six-minute walk test (6MWT).
Results: Of 101 women randomized, 65 (64.4%) completed the study. No statistically significant between-group differences occurred at post-intervention or 12 months. Compared to baseline, within-group improvements in PROMIS physical functioning occurred (LIG increased from 45.87 ± 7.58 to 48.37 ± 7.13 post-intervention (p = 0.01); MIG increased from 45.26 ± 7.27 to 49.53 ± 8.80 post-intervention (p = 0.002) and 48.91 ± 9.29 at 12 months (p = 0.02)). Similarly, Global Health physical health improved (LIG increased from 46.04 ± 5.00 to 49.19 ± 5.76 post-intervention (p = 0.001); MIG increased from 45.06 ± 6.59 to 48.20 ± 7.33 post-intervention (p = 0.005) and 48.49 ± 7.89 at 12 months (p = 0.007)). 6MWT improved between post-intervention and 12 months for the LIG (469.99 ± 64.69 m to 492.19 ± 68.64 m, p = 0.008) and between baseline and post-intervention for the MIG (471.01 ± 62.69 m to 495.88 ± 66.64 m, p = 0.006).
Conclusion: Both low and moderate-intensity exercise led to significant improvement in physical functioning. When feasible and acceptable, prescribing low-intensity exercise can yield important benefits.
期刊介绍：
Supportive Care in Cancer provides members of the Multinational Association of Supportive Care in Cancer (MASCC) and all other interested individuals, groups and institutions with the most recent scientific and social information on all aspects of supportive care in cancer patients. It covers primarily medical, technical and surgical topics concerning supportive therapy and care which may supplement or substitute basic cancer treatment at all stages of the disease.
Nursing, rehabilitative, psychosocial and spiritual issues of support are also included.
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