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  • A Randomized Trial on the Effect of Exercise Mode on Breast Cancer-Related Lymphedema

    Author(s)
    Buchan, Jena
    Janda, Monika
    Box, Robyn
    Schmitz, Kathryn
    Hayes, Sandra
    Griffith University Author(s)
    Hayes, Sandi C.
    Buchan, Jena K.
    Year published
    2016
    Metadata
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    Abstract
    Purpose Breast cancer-related lymphedema is a common and debilitating side effect of cancer treatment. This randomized trial compared the effect of progressive resistance- or aerobic-based exercise on breast cancer-related lymphedema extent and severity, as well as participants' muscular strength and endurance, aerobic fitness, body composition, upper-body function, and quality of life. Methods Women with a clinical diagnosis of stable unilateral, upper-limb lymphedema secondary to breast cancer were randomly allocated to a resistance-based (n = 21) or aerobic-based (n = 20) exercise group (12-wk intervention). Women were ...
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    Purpose Breast cancer-related lymphedema is a common and debilitating side effect of cancer treatment. This randomized trial compared the effect of progressive resistance- or aerobic-based exercise on breast cancer-related lymphedema extent and severity, as well as participants' muscular strength and endurance, aerobic fitness, body composition, upper-body function, and quality of life. Methods Women with a clinical diagnosis of stable unilateral, upper-limb lymphedema secondary to breast cancer were randomly allocated to a resistance-based (n = 21) or aerobic-based (n = 20) exercise group (12-wk intervention). Women were assessed preintervention, postintervention, and 12 wk postintervention, with generalized estimating equation models used to compare over time changes in each group's lymphedema (two-tailed P < 0.05). Results Lymphedema remained stable in both groups (as measured by bioimpedance spectroscopy and circumferences), with no significant differences between groups noted in lymphedema status. There was a significant (P < 0.01) time-group effect for upper-body strength (assessed using four to six repetition maximum bench press), with the resistance-based exercise group increasing strength by 4.2 kg (95% confidence interval [CI] = 3.2-5.2) postintervention compared with 1.2 kg (95% CI = -0.1 to 2.5) in the aerobic-based exercise group. Although not supported statistically, the aerobic-based exercise group reported a clinically relevant decline in number of symptoms postintervention (-1.5, 95% CI = -2.6 to -0.3), and women in both exercise groups experienced clinically meaningful improvements in lower-body endurance, aerobic fitness, and quality of life by 12-wk follow-up. Discussion Participating in resistance- or aerobic-based exercise did not change lymphedema status but led to clinically relevant improvements in function and quality of life, with findings suggesting that neither mode is superior with respect to lymphedema effect. As such, personal preferences, survivorship concerns, and functional needs are important and relevant considerations when prescribing exercise mode to those with secondary lymphedema.
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    Journal Title
    Medicine & Science in Sports & Exercise
    Volume
    48
    Issue
    10
    DOI
    https://doi.org/10.1249/MSS.0000000000000988
    Subject
    Sports science and exercise
    Medical physiology
    Health services and systems
    Public health
    Sports science and exercise not elsewhere classified
    Oncology and carcinogenesis not elsewhere classified
    Science & Technology
    Life Sciences & Biomedicine
    PHYSICAL ACTIVITY
    ARM SWELLING
    Publication URI
    http://hdl.handle.net/10072/388079
    Collection
    • Journal articles

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