Does the effect of weight lifting on lymphedema following breast cancer differ by diagnostic method : results from a randomized controlled trial
Hayes, Sandra C., Speck, Rebecca M., Reimet, Elizabeth, Stark, Azadeh, & Schmitz, Kathryn H. (2011) Does the effect of weight lifting on lymphedema following breast cancer differ by diagnostic method : results from a randomized controlled trial. Journal of Clinical Oncology, 130(1), pp. 227-234.
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The lymphedema diagnostic method used in descriptive or intervention studies may influence results found. The purposes of this work were to compare baseline lymphedema prevalence in the Physical Activity and Lymphedema (PAL) trial cohort and to subsequently compare the effect of the weight lifting intervention on lymphedema, according to four standard diagnostic methods. The PAL trial was a randomized, controlled intervention study, involving 295 women who had previously been treated for breast cancer, and evaluated the effect of 12 months of weight lifting on lymphedema status. Four diagnostic methods were used to evaluate lymphedema outcomes: interlimb volume difference via water displacement, interlimb size difference via sum of arm circumferences, interlimb impedance ratio using bioimpedance spectroscopy and a validated self-report survey. Of the 295 women who participated in the PAL trial, between 22-52% were considered to have lymphedema at baseline according to the four diagnostic criteria used. No between group differences were noted in the proportion of women who had a change in interlimb volume, interlimb size, interlimb ratio, or survey score of >5%, >5%, >10% and 1 unit, respectively (Cumulative incidence ratio at study end for each measure ranged between 0.6-0.8, with confidence intervals spanning 1.0). The variation in proportions of women within the PAL trial considered to have lymphoedema at baseline highlights the potential impact of the diagnostic criteria on population surveillance regarding prevalence of this common morbidity of treatment. Importantly though, progressive weight lifting was shown to be safe for women following breast cancer, even for those at risk- or with lymphedema, irrespective of the diagnostic criteria used.
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|Item Type:||Journal Article|
|Keywords:||lymphedema, breast cancer, strength training, diagnostic methods, randomized controlled trial|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Public Health and Health Services not elsewhere classified (111799)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Public Health & Social Work
|Copyright Owner:||Copyright 2011 American Society of Clinical Oncology|
|Deposited On:||28 Apr 2011 08:46|
|Last Modified:||30 Jun 2012 10:21|
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