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- Fellman, Vineta, et al.
(författare)
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One-year survival of extremely preterm infants after active perinatal care in Sweden.
- 2009
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Ingår i: JAMA : the journal of the American Medical Association. - : American Medical Association (AMA). - 1538-3598 .- 0098-7484. ; 301:21, s. 2225-33
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Tidskriftsartikel (refereegranskat)abstract
- Up-to-date information on infant survival after extremely preterm birth is needed for assessing perinatal care services, clinical guidelines, and parental counseling.
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- Forsum, Elisabet, 1947-, et al.
(författare)
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Maternal body composition in relation to infant birth weight and subcutaneous adipose tissue
- 2006
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Ingår i: British Journal of Nutrition. - 0007-1145 .- 1475-2662. ; 96:2, s. 408-414
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Tidskriftsartikel (refereegranskat)abstract
- Infant birth weight has increased recently, representing an obstetric and potentially a public health problem since high birth weight involves a risk of obesity later in life. Maternal nutritional status is important for fetal growth and therefore relationships between maternal body weight and composition v. birth weight and infant subcutaneous adipose tissue were investigated in twenty-three healthy women and their newborn infants using multiple and simple linear regression analysis. Furthermore, using previously published data for nineteen infants, it was demonstrated that an anthropometric method could provide useful estimates of the amount of subcutaneous adipose tissue. Birth weight was correlated with the maternal content of total body fat (TBF) both before pregnancy and in gestational week 32 and, together with gestational age at birth, TBF (%) before pregnancy explained 45% of the variation in birth weight. This figure was not increased when gestational gains in weight or TBF were added to the model. Furthermore, in infants, birth weight correlated with the amount of their subcutaneous adipose tissue. Together maternal TBF (%) and amount of subcutaneous adipose tissue in infants explained 61–63% of the variation in birth weight while the amount of infant subcutaneous adipose tissue alone explained only 55%. The maternal TBF content is likely to be important for the recent increase in birth weight. This factor probably causes a general augmentation in fetal growth rather than a specific stimulation of adipose tissue growth.
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| 5. |
- Olhager, Elisabeth, 1961-, et al.
(författare)
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Assessment of total body fat using the skinfold technique in full-term and preterm infants
- 2006
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Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 95:1, s. 21-28
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Tidskriftsartikel (refereegranskat)abstract
- Background: Assessment of body composition may be of interest when the nutritional status of infants is evaluated but is often difficult since simple and valid methods are lacking. With appropriate validation, measurements based on skinfold thickness (SFT) may be useful for this purpose. Aims: To evaluate the potential of a published method, based on measurements of SFT, to assess total body fat (TBF) of infants, and to calculate the fat content of adipose tissue (AT) in infants using previously published information regarding AT volume and total body water. Subjects and methods: Forty-five full-term infants and eight infants born in gestational weeks 31-33 were studied at a postnatal age of 4-131 and 44-75 d, respectively. The body water dilution method was used to obtain reference estimates of TBF (TBF-BWD). Results: In full-term infants, TBF assessed using the skinfold method (TBF-SFT) minus TBF-BWD was 1.5±10.8% (mean±2 SD). Furthermore, TBF-SFT minus TBF-BWD (%, y) was correlated (p <0.0001) with the average of TBF-SFT and TBF-BWD (%, x), showing that TBF-SFT was too high in lean infants and too low in infants with more TBF. In the full-term infants, AT contained 0.68±0.14 g fat/ml. In the premature infants, TBF-SFT (%), TBF-BWD (%) and the AT fat content were similar to the corresponding figures in nine full-term newborns. Conclusion: The results indicate that the SFT method produced inaccurate and biased estimates of TBF in infants. A considerable variation between infants regarding their AT fat content may be an important reason for these findings. © 2006 Taylor & Francis.
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