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JOINT L ETTER T O T HE EDITOR Update on Bioelectric Impedance Analysis for Upper-Quadrant Lymphedema: Comments From CPG Authors SOZO, a new bioimpedance spectroscopy technology University of Southern California developed by ImpediMed, was presented to physical ther- Los Angeles, CA apists during the 2018 APTA Combined Sections Meeting —Kathryn Ryans, PT, DPT, CLT-LANA in New Orleans, Louisiana. The newer SOZO unit is be- Doctor of Physical Therapy Program ing marketed “to detect changes in tissue fluid earlier so Mercy College you can be in compliance with recently published APTA Dobbs Ferry, NY guidelines,” as per the flyer sent to conference participants. The authors of the APTA clinical practice guideline (CPG) —Kimberly Levenhagen, PT, DPT, WCC “Diagnosis of Upper-Quadrant Lymphedema Secondary to Department of Physical Therapy & Athletic Training Cancer” made recommendations based on available lit- Doisy College of Health Sciences erature for both research and clinical bioimpedance anal- Saint Louis University ysis models including the L-Dex U400. All the models St Louis, MO appraised in the CPG demonstrated good to excellent psy- chometric properties (reliability, validity, and diagnostic —Claire C. Davies, PT, PhD, CLT-LANA accuracy) for measuring changes in extracellular fluid and Rehabilitation Services for diagnosing breast cancer–related lymphedema. How- Baptist Health Lexington ever, research regarding the SOZO unit was not available Lexington, KY during the development of the CPG, and no recommen- —Laura Gilchrist, PT, PhD dation on this particular unit was included in our CPG. Doctor of Physical Therapy Program Thus, we are concerned about the use of the guideline to St Catherine University market this particular unit. Minneapolis, MN The authors of the CPG guideline development group look forward to appraising future research regarding the SOZO unit to measure lymphedema and will make rec- ommendations based on the available literature when the REFERENCE CPG guidelines are updated and revised in the next few 1. Levenhagen K, Davies C, Perdomo M, Ryans K, Gilchrist L. Diag- years. nosis of upper-quadrant lymphedema secondary to cancer: clinical —Marisa Perdomo, PT, DPT practice guideline from the Oncology Section of APTA. Phys Ther. Division of Biokinesiology and Physical Therapy 2017;97(7):729-745. Co-published in: Rehabil Oncol. 2017;35(3): Herman Ostrow School of Dentistry E1-E18. Rehabilitation Oncology Copyright C 2018 Oncology Section, APTA. This letter to the editor is being published jointly with the journal, Physical Therapy. The authors declare no conflicts of interest. DOI: 10.1097/01.REO.0000000000000136 Rehabilitation Oncology Joint Letter to the Editor 151 Copyright © 2018 Oncology Section, APTA. Unauthorized reproduction of this article is prohibited.
Rehabilitation Oncology – Wolters Kluwer Health
Published: Jul 1, 2018
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