Quelle méthode alternative à l'absorptiométrie biphotonique (DEXA) utiliser pour évaluer la composition corporelle des adolescents en surpoids ou obèses ?

Lazzer, Stefano; Boirie‌, Yves; Meyer, Martine De; Vermorel, M.

doi:10.1016/j.arcped.2005.03.040

Cited by 25 publications

(7 citation statements)

References 21 publications

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“…This could be due to sex variations in the prevalence of different types of obesity (total and central obesity) since it has been established that women have more generalized obesity, but less central obesity, than men [ 58 ]. These findings are similar to those obtained in previous studies investigating the reliability of BIA methods in adolescents with excess of weight [ 17 , 24 , 25 , 36 , 50 ].…”

Section: Discussionsupporting

confidence: 91%

“…Eisenkölbl et al [ 24 ] also found that a BIA analyser (2000M, Data Input GMbH, Germany) underestimated BF% compared to DXA in a sample of children and adolescents (6–18 years). Similarly, in three separate studies conducted in adolescents with excess of adiposity and weight (10–17 years across the three studies), Lazzer et al [ 23 , 25 , 50 ] found that different methods of BIA (hand-to-foot or foot-to-foot Tanita [ 50 ]; different frequency BIA analysers [ 25 ]) underestimated BF% compared to DXA (Hologic QDR-4500 [ 25 , 50 ] or GE/Lunar Prodigy densitometer [ 23 ]), suggesting that these methods are not interchangeable. Differences in BF% as measured by BIA and DXA could be due to overestimation of fat-free mass hydration in obese subjects, which might result in underestimations of the BF% [ 15 , 51 ].…”

Section: Discussionmentioning

confidence: 98%

“…To date, only a few studies, which reported mixed findings, have validated BIA analysers and the skinfold-thickness equations as methods for measuring BF% in different populations of children and adolescents with excess of adiposity compared to a reference method, such as DXA [ 22 , 23 , 24 , 25 ]. Variations in fat distribution patterns observed among ethnic groups imply that ethnicity plays an important role and should be considered when validating BF% [ 26 , 27 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

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Comparison of Bioelectrical Impedance Analysis, Slaughter Skinfold-Thickness Equations, and Dual-Energy X-ray Absorptiometry for Estimating Body Fat Percentage in Colombian Children and Adolescents with Excess of Adiposity

et al. 2018

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Dual-energy X-ray absorptiometry (DXA) has been considered a reference method for measuring body fat percentage (BF%) in children and adolescents with an excess of adiposity. However, given that the DXA technique is impractical for routine field use, there is a need to investigate other methods that can accurately determine BF%. We studied the accuracy of bioelectrical impedance analysis (BIA) technology, including foot-to-foot and hand-to-foot impedance, and Slaughter skinfold-thickness equations in the measurement of BF%, compared with DXA, in a population of Latin American children and adolescents with an excess of adiposity. A total of 127 children and adolescents (11–17 years of age; 70% girls) from the HEPAFIT (Exercise Training and Hepatic Metabolism in Overweight/Obese Adolescent) study were included in the present work. BF% was measured on the same day using two BIA analysers (Seca® 206, Allers Hamburg, Germany and Model Tanita® BC-418®, TANITA Corporation, Sportlife Tokyo, Japan), skinfold measurements (Slaughter equation), and DXA (Hologic Horizon DXA System®, Quirugil, Bogotá, Columbia). Agreement between measurements was analysed using t-tests, Bland–Altman plots, and Lin’s concordance correlation coefficient (ρc). There was a significant correlation between DXA and the other BF% measurement methods (r > 0.430). According to paired t-tests, in both sexes, BF% assessed by BIA analysers or Slaughter equations differ from BF% assessed by DXA (p < 0.001). The lower and upper limits of the differences compared with DXA were 6.3–22.9, 2.2–2.8, and −3.2–21.3 (95% CI) in boys and 2.3–14.8, 2.4–20.1, and 3.9–18.3 (95% CI) in girls for Seca® mBCA, Tanita® BC 420MA, and Slaughter equations, respectively. Concordance was poor between DXA and the other methods of measuring BF% (ρc < 0.5). BIA analysers and Slaughter equations underestimated BF% measurements compared to DXA, so they are not interchangeable methods for assessing BF% in Latin American children and adolescents with excess of adiposity.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Comparison of Bioelectrical Impedance Analysis, Slaughter Skinfold-Thickness Equations, and Dual-Energy X-ray Absorptiometry for Estimating Body Fat Percentage in Colombian Children and Adolescents with Excess of Adiposity

et al. 2018

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“…Also, the accuracy of bioelectrical impedance (BIA) for assessment of body composition has been questioned because of larger errors in individual estimates of body fat compared to DXA method [28]. However, BIA has been deemed accurate for assessing body composition in large groups of normal weight or obese pediatric subjects as compared to DXA [46]).…”

Section: Discussionmentioning

confidence: 99%

“…Data were collected on patients including age, gender, ethnicity, height, weight, blood pressure and body composition analysis by bioelectrical impedance (TANITA-TBF-410, TANITA Corporation of America Inc., Arlington Heights, IL) for evaluation of fat mass (FM), fat-free mass (FFM) and total body water (TBW) [27,28]. Two well-trained clinicians determined pubertal maturation (Tanner stage).…”

Section: Introductionmentioning

confidence: 99%

Gender differences in the association of insulin resistance and high-sensitivity c-reactive protein in obese adolescents

Alemzadeh

Kichler

2014

J Diabetes Metab Disord

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BackgroundLow-grade vascular inflammation is believed to initiate early atherosclerotic process by inducing insulin resistance (IR), with significant gender differences in adults. We evaluated the relationship between surrogate measures of inflammation and IR in obese adolescents.MethodsThe association among markers of inflammation [high-sensitivity c-reactive protein (hs-CRP)] and IR, cardiometabolic risk factors and body composition was retrospectively examined in 199 obese adolescents [(111 F/88 M), aged 15.5 ± 1.2 years]. Insulin resistance was assessed using homeostatic model assessment for insulin resistance (HOMA-IR).ResultsMales had higher body mass index SD-score (BMI-SDS), fat mass (FM), glucose, insulin, HOMA-IR, HbA1c, hs-CRP, triglycerides: HDL-C (TG:HDL-C) ratio than females (p < 0.05), whereas females had higher c-peptide: insulin ratio than males (p < 0.05). Also, 50.8% of subjects were identified with metabolic syndrome with similar gender distribution (M: 57.9% vs. F: 45.1%, p = 0.32). Hs-CRP was correlated with HOMA-IR in the cohort, even when controlling for FM (r = 0.26; p < 0.0001). However, hs-CRP and HOMA-IR displayed a significant correlation only in females (r = 0.37; p < 0.0001) when adjusting for FM and pubertal status. Also, c-peptide: insulin ratio was inversely correlated with hs-CRP (r = −0.32; p < 0.001) and HOMA-IR (r = −0.62; p < 0.0001) and partially mediated the relationship between these biomarkers only among females (β = 0.36, p < 0.001 to β = 0.18, p < 0.05; Sobel Test: p < 0.01).ConclusionsA positive association between hs-CRP and HOMA-IR was observed only in adolescent girls which was influenced by altered hepatic insulin clearance. This implies that obese adolescent girls may be at greatest risk of developing early atherosclerosis and diabetes.

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Validity of Slaughter Equations and Bioelectrical Impedance Against Dual‐Energy X‐Ray Absorptiometry in Children

Martín‐Matillas

Mora-González

Migueles

et al. 2020

Obesity

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Objective This study aimed to 1) analyze the criterion validity of the Slaughter equations (Slg‐Eq) and bioelectrical impedance analysis (BIA) to estimate body fat percentage (BFP) and fat mass index (FMI) at different degrees of obesity in children compared with dual‐energy x‐ray absorptiometry (DXA) and 2) determine their agreement over time. Methods Ninety‐two children with overweight or obesity (10.0 [SD 1.2] years; 34.8% girls) participated in this 20‐week study. Anthropometric, BIA, and DXA measurements were performed. Results Both Slg‐Eq and BIA methods underestimated BFP and FMI against DXA, and the bias was markedly larger with BIA (mean absolute percentage error = 11% for Slg‐Eq vs. 18%‐21% for BIA); a larger underestimation was observed in girls compared with boys for Slg‐Eq (P ≤ 0.001), and the observed underestimation in adiposity was reduced as weight status increased. Systematic errors were kept constant over time, so no large differences between methods were observed in the change in adiposity. Conclusions At the group level, Slg‐Eq provides a more valid estimation of BFP and FMI than BIA. At the individual level, Slg‐Eq shows larger estimation errors. The validity of these methods might differ in sex and weight status. Nevertheless, both methods seem to be valid for monitoring changes in adiposity.

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Quelle méthode alternative à l'absorptiométrie biphotonique (DEXA) utiliser pour évaluer la composition corporelle des adolescents en surpoids ou obèses ?

Cited by 25 publications

References 21 publications

Comparison of Bioelectrical Impedance Analysis, Slaughter Skinfold-Thickness Equations, and Dual-Energy X-ray Absorptiometry for Estimating Body Fat Percentage in Colombian Children and Adolescents with Excess of Adiposity

Comparison of Bioelectrical Impedance Analysis, Slaughter Skinfold-Thickness Equations, and Dual-Energy X-ray Absorptiometry for Estimating Body Fat Percentage in Colombian Children and Adolescents with Excess of Adiposity

Gender differences in the association of insulin resistance and high-sensitivity c-reactive protein in obese adolescents

Validity of Slaughter Equations and Bioelectrical Impedance Against Dual‐Energy X‐Ray Absorptiometry in Children

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