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Comparison of Bioelectrical Impedance Analysis with DXA in Adolescents with Cystic Fibrosis before and after a Resistance Training Intervention

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  • Clifton J. Holmes

    (Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO 63108, USA
    Center for Human Nutrition, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63108, USA)

  • Susan B. Racette

    (Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO 63108, USA
    Center for Human Nutrition, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63108, USA)

  • Leslie Symonds

    (Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63108, USA)

  • Ana Maria Arbeláez

    (Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63108, USA)

  • Chao Cao

    (Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO 63108, USA)

  • Andrea Granados

    (Nicklaus Children’s Hospital, Division of Pediatric Endocrinology and Metabolism, Miami, FL 33155, USA)

Abstract

Background: The purpose of this pilot study was to compare body composition metrics obtained by two portable bioelectrical impedance analysis (BIA) devices with dual-energy X-ray absorptiometry (DXA) among adolescents with cystic fibrosis (CF) before and after a resistance exercise training program. Methods: Participants with CF were assessed using DXA, single-frequency BIA (SFBIA), and multiple-frequency BIA (MFBIA) to quantify percent body fat (%Fat), fat mass (FM), and fat-free mass (FFM) at baseline and after a home-based resistance training intervention comprised of 36, 1 h sessions completed in 12–14 weeks. Repeated measures analysis of variance, paired samples t -tests, Cohen’s d effect sizes, and Pearson’s correlations were used to compare differences between and within methods at baseline and post-intervention. Results: Ten participants (15.8 ± 2.2 yr, 60.1 ± 15.1 kg) completed the assessments. At baseline, both SFBIA and MFBIA scales significantly underestimated %Fat and FM and overestimated FFM, with small to moderate effect sizes. Post-intervention, small, non-significant differences were found between DXA and both BIA scales for all body composition metrics. Significant changes in %Fat and FFM were observed with DXA. MFBIA displayed less constant error than SFBIA when compared to DXA for pre- and post-intervention assessments for %Fat (MFBIA: pre and post −2.8 and −0.8 vs. SFBIA: −4.6 and −2.0), FM (−0.4 and −0.4 vs. −3.0 and −1.1), and FFM (+0.8 and +0.6 vs. +3.1 and +1.3). Near-perfect correlations were observed at both time points between DXA and each BIA scale. Conclusions: Portable BIA results should be interpreted with caution, and further validation studies in CF patients are needed prior to clinical use.

Suggested Citation

  • Clifton J. Holmes & Susan B. Racette & Leslie Symonds & Ana Maria Arbeláez & Chao Cao & Andrea Granados, 2022. "Comparison of Bioelectrical Impedance Analysis with DXA in Adolescents with Cystic Fibrosis before and after a Resistance Training Intervention," IJERPH, MDPI, vol. 19(7), pages 1-13, March.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:7:p:4037-:d:781981
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    References listed on IDEAS

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    1. Kuen-Tsann Chen & Yu-Yawn Chen & Chia-Wei Wang & Chih-Lin Chuang & Li-Ming Chiang & Chung-Liang Lai & Hsueh-Kuan Lu & Gregory B Dwyer & Shu-Ping Chao & Ming-Kuei Shih & Kuen-Chang Hsieh, 2016. "Comparison of Standing Posture Bioelectrical Impedance Analysis with DXA for Body Composition in a Large, Healthy Chinese Population," PLOS ONE, Public Library of Science, vol. 11(7), pages 1-13, July.
    2. Clifton J. Holmes & Susan B. Racette & Leslie Symonds & Ana Maria Arbeláez & Chao Cao & Andrea Granados, 2022. "Feasibility and Efficacy of Telehealth-Based Resistance Exercise Training in Adolescents with Cystic Fibrosis and Glucose Intolerance," IJERPH, MDPI, vol. 19(6), pages 1-10, March.
    3. Yu-San Liao & Hung-Chou Li & Hsueh-Kuan Lu & Chung-Liang Lai & Yue-Sheng Wang & Kuen-Chang Hsieh, 2020. "Comparison of Bioelectrical Impedance Analysis and Dual Energy X-ray Absorptiometry for Total and Segmental Bone Mineral Content with a Three-Compartment Model," IJERPH, MDPI, vol. 17(7), pages 1-13, April.
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