Evaluation of air-displacement plethysmography for body composition assessment in preterm infants.
Pediatr Res
; 72(3): 316-20, 2012 Sep.
Article
en En
| MEDLINE
| ID: mdl-22669294
ABSTRACT
BACKGROUND:
Adiposity may contribute to the future risk of disease. The aim of this study was to evaluate the accuracy and reliability of an air-displacement plethysmography (ADP) system to estimate percentage fat mass (%FM) in preterm infants and to evaluate interdevice reliability in infants.METHODS:
A total of 70 preterm and 9 full-term infants were assessed. The accuracy of ADP measurements was assessed by determining reference %FM values using H(2)(18)O dilution measurement.RESULTS:
Mean %FM by ADP was 5.67 ± 1.84 and mean %FM by H(2)18O dilution was 5.99 ± 2.56. Regression analysis showed that %FM by ADP was associated with %FM by H(2)(18)O dilution (R2 = 0.63, SE of estimate (SEE) = 1.65, P = 0.006). Bland-Altman analysis showed no bias (r = -0.48, P = 0.16) and 95% limits of agreement were -3.40 to 2.76 %FM. There was no difference in mean interdevice reliability %FM values (8.97 vs. 8.55 %FM) between ADP 1 and 2. Regression analysis indicated a low SEE (1.14% FM) and high R2 (0.91); 95% limits of agreement were -1.87 to 2.71 %FM. The regression line did not differ significantly from the line of identity.CONCLUSION:
ADP is a noninvasive, reliable, and accurate technique to measure preterm infants' body composition in both research and clinical settings.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Pletismografía
/
Composición Corporal
/
Recien Nacido Prematuro
Tipo de estudio:
Evaluation_studies
/
Observational_studies
/
Risk_factors_studies
Límite:
Female
/
Humans
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Male
/
Newborn
Idioma:
En
Revista:
Pediatr Res
Año:
2012
Tipo del documento:
Article
País de afiliación:
Italia