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Lee V, Blew R, Hetherington-Rauth M, et al. Estimation of visceral fat in 9- to 13-year-old girls using dual-energy X-ray absorptiometry (DXA) and anthropometry. Obes Sci Pract. 2018;4(5):437-447doi: 10.1002/osp4.297.
Lee, V., Blew, R., Hetherington-Rauth, M., Blew, D., Galons, J. P., Hagio, T., Bea, J., Lohman, T., & Going, S. (2018). Estimation of visceral fat in 9- to 13-year-old girls using dual-energy X-ray absorptiometry (DXA) and anthropometry. Obesity science & practice, 4(5), 437-447. https://doi.org/10.1002/osp4.297
Lee, V, et al. "Estimation of visceral fat in 9- to 13-year-old girls using dual-energy X-ray absorptiometry (DXA) and anthropometry." Obesity science & practice vol. 4,5 (2018): 437-447. doi: https://doi.org/10.1002/osp4.297
Lee V, Blew R, Hetherington-Rauth M, Blew D, Galons JP, Hagio T, Bea J, Lohman T, Going S. Estimation of visceral fat in 9- to 13-year-old girls using dual-energy X-ray absorptiometry (DXA) and anthropometry. Obes Sci Pract. 2018 Sep 13;4(5):437-447. doi: 10.1002/osp4.297. eCollection 2018 Oct. PMID: 30338114; PMCID: PMC6180717.
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Obes Sci Pract. 2018 Sep 13;4(5):437-447. doi: 10.1002/osp4.297. eCollection 2018 Oct.

Estimation of visceral fat in 9- to 13-year-old girls using dual-energy X-ray absorptiometry (DXA) and anthropometry.

Obesity science & practice

V Lee, R Blew, M Hetherington-Rauth, D Blew, J-P Galons, T Hagio, J Bea, T Lohman, S Going

Affiliations

  1. Department of Nutritional Sciences University of Arizona Tucson Arizona USA.
  2. Department of Physiology University of Arizona Tucson Arizona USA.
  3. Department of Medical Imaging University of Arizona Tucson Arizona USA.
  4. Department of Biomedical Engineering University of Arizona Tucson Arizona USA.
  5. Division of Imaging, Diagnostics, and Software Reliability, Center for Devices and Radiological Health U.S. Food and Drug Administration Silver Spring Maryland USA.
  6. Department of Medicine University of Arizona Tucson Arizona USA.

PMID: 30338114 PMCID: PMC6180717 DOI: 10.1002/osp4.297

Abstract

OBJECTIVES: Accumulation of visceral fat (VF) in children increases the risk of cardiovascular disease and type 2 diabetes, and measurement of VF in children using computed tomography and magnetic resonance imaging (MRI) is expensive. Dual-energy X-ray absorptiometry (DXA) may provide a low-cost alternative. This study aims to determine if DXA VF estimates can accurately estimate VF in young girls, determine if adding anthropometry would improve the estimate and determine if other DXA fat measures, with and without anthropometry, could be used to estimate VF in young girls.

METHODS: Visceral fat was measured at lumbar intervertebral sites (L1-L2, L2-L3, L3-L4 and L4-L5) using 3.0T MRI on 32 young girls (mean age 11.3 ± 1.3 years). VF was estimated using the GE CoreScan application. Measurement of DXA android and total body fat was performed. Weight, height and waist circumference (WC) measurements were also obtained.

RESULTS: Waist circumference and body mass index were both strongly correlated with MRI, although WC was the best anthropometric covariate. Per cent fat (%fat) variables had the strongest correlation and did best in regression models. DXA %VF (GE CoreScan) and DXA android %fat and total body %fat accounted for 65% to 74% of the variation in MRI VF.

CONCLUSION: Waist circumference predicted MRI VF almost as well as DXA estimates in this population, and a combination of WC and DXA fat improves the predictability of VF. DXA VF estimate was improved by the addition of WC; however, DXA android %fat with WC was better at predicting MRI VF.

Keywords: Imaging; Obesity; Paediatric; Visceral fat

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