1
|
Maeda SS, Peters BSE, Martini LA, Antunes HKM, Gonzalez MC, Arantes HP, Prado CM, Pinto CL, de Araújo IM, de Paula FJA, Borges JLC, Albergaria BH, Ushida M, de Souza GC, de Mendonça LMC, do Prado M, de Medeiros Pinheiro M. Official position of the Brazilian Association of Bone Assessment and Metabolism (ABRASSO) on the evaluation of body composition by densitometry: part I (technical aspects)—general concepts, indications, acquisition, and analysis. Adv Rheumatol 2022; 62:7. [DOI: 10.1186/s42358-022-00241-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 03/04/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Objective
To review the technical aspects of body composition assessment by dual-energy X-ray absorptiometry (DXA) and other methods based on the most recent scientific evidence.
Materials and methods
This Official Position is a result of efforts by the Scientific Committee of the Brazilian Association of Bone Assessment and Metabolism (Associação Brasileira de Avaliação Óssea e Osteometabolismo, ABRASSO) and health care professionals with expertise in body composition assessment who were invited to contribute to the preparation of this document. The authors searched current databases for relevant publications. In this first part of the Official Position, the authors discuss the different methods and parameters used for body composition assessment, general principles of DXA, and aspects of the acquisition and analysis of DXA scans.
Conclusion
Considering aspects of accuracy, precision, cost, duration, and ability to evaluate all three compartments, DXA is considered the gold-standard method for body composition assessment, particularly for the evaluation of fat mass. In order to ensure reliable, adequate, and reproducible DXA reports, great attention is required regarding quality control procedures, preparation, removal of external artifacts, imaging acquisition, and data analysis and interpretation.
Collapse
|
2
|
Blue MNM, Hirsch KR, Brewer GJ, Cabre HE, Gould LM, Tinsley GM, Ng BK, Ryan ED, Padua D, Smith-Ryan AE. The validation of contemporary body composition methods in various races and ethnicities. Br J Nutr 2022; 128:1-11. [PMID: 35109945 DOI: 10.1017/s0007114522000368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Few investigations have evaluated the validity of current body composition technology among racially and ethnically diverse populations. This study assessed the validity of common body composition methods in a multi-ethnic sample stratified by race and ethnicity. One hundred and ten individuals (55 % female, age: 26·5 (sd 6·9) years) identifying as Asian, African American/Black, Caucasian/White, Hispanic, Multi-racial and Native American were enrolled. Seven body composition models (dual-energy X-ray absorptiometry (DXA), air displacement plethysmography (ADP), two bioelectrical impedance devices (BIS, IB) and three multi-compartment models) were evaluated against a four-compartment criterion model by assessing total error (TE) and standard error of the estimate. For the total sample, measures of % fat and fat-free mass (FFM) from multi-compartment models were all excellent to ideal (% fat: TE = 0·94-2·37 %; FFM: TE = 0·72-1·78 kg) compared with the criterion. % fat measures were very good to excellent for DXA, ADP and IB (TE = 2·52-2·89 %) and fairly good for BIS (TE = 4·12 %). For FFM, single device estimates were good (BIS; TE = 3·12 kg) to ideal (DXA, ADP, IB; TE = 1·21-2·15 kg). Results did not vary meaningfully between each race and ethnicity, except BIS was not valid for African American/Black, Caucasian/White and Multi-racial participants for % fat (TE = 4·3-4·9 %). The multi-compartment models evaluated can be utilised in a multi-ethnic sample and in each individual race and ethnicity to obtain highly valid results for % fat and FFM. Estimates from DXA, ADP and IB were also valid. The BIS may demonstrate greater TE for all racial and ethnic cohorts and results should be interpreted cautiously.
Collapse
Affiliation(s)
- Malia N M Blue
- Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC, USA
| | - Katie R Hirsch
- Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging & Longevity, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | | | - Hannah E Cabre
- Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC, USA
| | - Lacey M Gould
- Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC, USA
| | - Grant M Tinsley
- Department of Kinesiology & Sport Management, Texas Tech University, Lubbock, TX, USA
| | - Bennett K Ng
- Emerging Growth and Incubation Group, Intel Corporation, Santa Clara, CA, USA
| | - Eric D Ryan
- Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC, USA
| | - Darin Padua
- Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC, USA
| | - Abbie E Smith-Ryan
- Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC, USA
- Department of Nutrition, The University of North Carolina, Chapel Hill, NC, USA
| |
Collapse
|
3
|
Blue MNM, Tinsley GM, Ryan ED, Smith-Ryan AE. Validity of Body-Composition Methods across Racial and Ethnic Populations. Adv Nutr 2021; 12:1854-1862. [PMID: 33684215 PMCID: PMC8528114 DOI: 10.1093/advances/nmab016] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 12/01/2020] [Accepted: 01/28/2021] [Indexed: 01/08/2023] Open
Abstract
Multi-compartment body-composition models that divide the body into its multiple constituents are the criterion method for measuring body fat percentage, fat mass, and fat-free mass. However, 2- and 3-compartment body-composition devices such as air displacement plethysmography (ADP), DXA, and bioelectrical impedance devices [bioelectrical impedance analysis (BIA)] are more commonly used. Accurate measures depend on several assumptions, including constant hydration, body proportion, fat-free body density, and population characteristics. Investigations evaluating body composition in racial and ethnic minorities have observed differences in the aforementioned components between cohorts. Consequently, for racial/ethnic minority populations, estimates of body composition may not be valid. The purpose of this review was to comprehensively examine the validity of common body-composition devices in multi-ethnic samples (samples including >1 race/ethnicity) and in African-American, Hispanic, Asian, and Native American populations. Based on the literature, DXA produces valid results in multi-ethnic samples and ADP is valid for Hispanic and African American males when utilizing race-specific equations. However, for DXA and ADP, there is a need for validity investigations that include larger, more racially diverse samples, specifically including Hispanic/Latinx, Asian, Native American adults, and African-American females. Technology has advanced significantly since initial validity studies were conducted; therefore, conclusions are based on outdated models and software. For BIA, body-composition measures may be valid in a multi-ethnic sample, but the literature demonstrates disparate results between races/ethnicities. For BIA and ADP, the majority of studies have utilized DXA or hydrostatic weighing as the criterion to determine validity; additional studies utilizing a multi-compartment model criterion are essential to evaluate accuracy. Validity studies evaluating more recent technology in larger, more racially/ethnically diverse samples may improve our ability to select the appropriate method to accurately assess body composition in each racial/ethnic population.
Collapse
Affiliation(s)
- Malia N M Blue
- Department of Exercise Science, High Point
University, High Point, NC,
USA
| | - Grant M Tinsley
- Department of Kinesiology and Sport Management, Texas Tech
University, Lubbock, TX, USA
| | - Eric D Ryan
- Department of Exercise and Sport Science, The University of
North Carolina, Chapel Hill, NC,
USA
| | - Abbie E Smith-Ryan
- Department of Exercise and Sport Science, The University of
North Carolina, Chapel Hill, NC,
USA
- Department of Nutrition, The University of North
Carolina, Chapel Hill, NC, USA
| |
Collapse
|
4
|
Bila WC, Freitas AED, Galdino AS, Ferriolli E, Pfrimer K, Lamounier JA. Deuterium oxide dilution and body composition in overweight and obese schoolchildren aged 6-9 years. J Pediatr (Rio J) 2016; 92:46-52. [PMID: 26247920 DOI: 10.1016/j.jped.2015.03.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 03/22/2015] [Accepted: 03/24/2015] [Indexed: 10/23/2022] Open
Abstract
OBJECTIVE To correlate different methods of body composition assessment in overweight or obese schoolchildren, using deuterium oxide (D2O) dilution as a reference. METHODS Percentage of total body water (%TBW), fat free mass (%FFM), and body fat (%BF) were assessed by D2O and tetrapolar electrical bioimpedance analysis (BIA) in 54 obese and overweight students aged 6-9 years. Skinfold thickness (ST), body mass index (BMI), conicity index (CI), waist circumference (WC), waist-to-height ratio (WHtR), and waist-to-hip (WHR) ratio were also used. RESULTS Mean values for body composition were 38.4%±8.4% BF, 44.9%±6.1% TBW and 61.6%±8.4% FFM. There was no significant difference in body weight, body fat mass (FM), TBW, and FFM between genders. Regarding D2O, ST underestimated %BF, and overestimated %FFM in both genders (p<0.05). BIA overestimated %TBW in the group as a whole and in males (p<0.05). The only positive and strong correlations occurred in females regarding the WC (σ=0.679), CI (r=0.634), and WHtR (r=0.666). CONCLUSIONS In this sample of obese and overweight children, there were strong correlations between body composition measured by D2O and some indices and anthropometric indicators in females, but there was no positive and strong correlation of fat tissue with the indices/indicators at all ages and in both genders.
Collapse
Affiliation(s)
- Wendell Costa Bila
- Post-Graduate Program in Health Sciences, Universidade Federal de São João del Rei (UFSJ), Divinópolis, MG, Brazil.
| | - André Everton de Freitas
- Post-Graduate Program in Child and Adolescent Health, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Alexsandro Sobreira Galdino
- Post-Graduate Program in Biotechnology, Universidade Federal de São João Del Rei (UFSJ), Divinópolis, MG, Brazil
| | - Eduardo Ferriolli
- Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Karina Pfrimer
- Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Joel Alves Lamounier
- Post-Graduate Program in Health Sciences, Universidade Federal de São João del Rei (UFSJ), Divinópolis, MG, Brazil
| |
Collapse
|
5
|
Bila WC, de Freitas AE, Galdino AS, Ferriolli E, Pfrimer K, Lamounier JA. Deuterium oxide dilution and body composition in overweight and obese schoolchildren aged 6‐9 years. JORNAL DE PEDIATRIA (VERSÃO EM PORTUGUÊS) 2016. [DOI: 10.1016/j.jpedp.2015.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
|
6
|
Alemán-Mateo H, Huerta RH, Esparza-Romero J, Méndez RO, Urquidez R, Valencia ME. Body composition by the four-compartment model: validity of the BOD POD for assessing body fat in mexican elderly. Eur J Clin Nutr 2007; 61:830-6. [PMID: 17228350 DOI: 10.1038/sj.ejcn.1602597] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE The aims of this study were to validate BOD POD in a wide sample of healthy and independent Mexican elderly men and women subjects using the 4 compartment (4C) model as the reference method, and to evaluate the assumptions of the densitometric two-compartment (2C) model. DESIGN Cross-sectional study designed to assess body composition and validation of a method based on 2C model (BOD POD). SETTING Urban and rural regions of Sonora, Mexico. SUBJECTS Two hundred and two free-living subjects >or=60 years old were completed in this study. METHODS Body density and body fat were measured by the BOD POD, total body water by deuterium dilution and total body bone ash by dual energy X-ray absorptiometry. Body composition was determined using Baumgartner's equation. RESULTS Percent body fat by the 4C model was 31.2 and 42.5% in men and women, respectively (P<0.001). Group mean accuracy of body fat by BOD POD against that of the 4C model showed an effect of sex (P<0.001), but not the method (P=0.27). Results of individual accuracy showed no significant difference with the identity line and the slope was significantly different from zero or a slope similar to one. Precision assessed by model R (2) was high for all subjects and for men and women by separate. The standard error of the estimate was low for all and for men and women by separate. Bland and Altman analysis showed no significant bias. CONCLUSION The BOD POD technique is a valid and reliable method compared to the 4C model and it could be applied in subjects with similar physical and anthropometric characteristics to subjects of this study.
Collapse
Affiliation(s)
- H Alemán-Mateo
- Coordinación de Nutrición, Centro de Investigación en Alimentación y Desarrollo, A C, Hermosillo, Sonora, México.
| | | | | | | | | | | |
Collapse
|
7
|
Abstract
PURPOSE OF REVIEW Air-displacement plethysmography holds promise as an alternative to more traditional body composition techniques, although our understanding of air-displacement plethysmography is less than complete. Specifically, factors that influence its validity and application in certain populations, for example children, the obese, and athletes, must be better understood. This review will summarize recent findings on the validity and precision of air-displacement plethysmography and will focus primarily on papers published since 2004, with particular attention on its use in infants. RECENT FINDINGS The most significant recent findings in the air-displacement plethysmography literature are mechanistic in nature specifically dealing with measurement issues such as heat, moisture, clothing, and recently, inter-device variability. SUMMARY It is important to recognize that air-displacement plethysmography can be a practical instrument in the evaluation of body composition in a wide range of populations. Therefore, based on the body of literature that has emerged, air-displacement plethysmography appears to be a suitable and reliable instrument in the assessment of body composition. Of particular interest is its use in pediatric and obese individuals, areas requiring further study. Research is also needed to help us better understand sources of measurement error.
Collapse
Affiliation(s)
- David A Fields
- Department of Pediatrics, University of Oklahoma Health Science Center, Children's Medical Research Institute's Metabolic Research Center, Oklahoma City, Oklahoma 73104, USA.
| | | | | |
Collapse
|