Economic and other barriers to adopting recommendations to prevent childhood obesity: results of a focus group study with parents |
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Authors: | Kendrin R Sonneville Nancy La Pelle Elsie M Taveras Matthew W Gillman Lisa A Prosser |
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Affiliation: | 1. Clinic of Neonatology, University Hospital Zurich, Frauenklinikstrasse 10, CH-8091, Zurich, Switzerland 2. Department of Neonatology, University Children's Hospital Tuebingen, Calwerstrasse 7, D-72076, Tuebingen, Germany
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Abstract: | Background The gold standard to assess hyperbilirubinemia in neonates remains the serum bilirubin measurement. Unfortunately, this is invasive, painful, and costly. Bilimed®, a new transcutaneous bilirubinometer, suggests more accuracy compared to the existing non-invasive bilirubinometers because of its new technology. It furthermore takes into account different skin colours. No contact with the skin is needed during measurement, no additional material costs occur. Our aim was to assess the agreement between the Bilimed® and serum bilirubin in preterm and term infants of different skin colours. Methods The transcutaneous bilirubin measurements were performed on the infant's sternum and serum bilirubin was determined simultaneously. The agreement between both methods was assessed by Pearson's correlation and by Bland-Altman analysis. Results A total of 117 measurement cycles were performed in 99 term infants (group1), further 47 measurements in 38 preterm infants born between 34 - 36 6/7 gestational weeks (group 2), and finally 21 measurements in 13 preterm infants born between 28 - 33 6/7 gestational weeks (group 3). The mean deviation and variability (+/- 2SD) of the transcutaneous from serum bilirubin were: -14 (+/- 144) μmol/l; -0.82 (+/- 8.4) mg/dl in group 1, +16 (+/- 91) μmol/l;+0.93(+/- 5.3) mg/dl in group 2 and -8 (+/- 76) μmol/l; -0.47 (+/- 4.4) mg/dl in group 3. These limits of agreement are too wide to be acceptable in a clinical setting. Moreover, there was to be a trend towards less good agreement with increasing bilirubin values. Conclusion Despite its new technology the Bilimed® has no advantages, and more specifically no better agreement not only in term and near-term Caucasian infants, but also in non-Caucasian and more premature infants. |
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