148 Chapter 7 Table 5. Bioelectrical impedance to estimate body composition in preterm infants Author, year, country Predictor for body composition Reference method Study setting Subjects N° preterms Time of assessment Dung, 2007, Germany Impedance index derived frommono frequency BIA DXA (Hologic QDR 1500, infant software version 5.67) 118 preterm infants 118 (GA 30.1 + 3.1 weeks) 38.6±3.8 weeks PMA Raghavan, 1998, United States of America Impedance index derived frommono frequency BIA Isotope dilution 42 preterm infants 42 (GA 24 – 34 weeks) Day 1 – 7 postnatally Kushner, 1992, Unites States of America and Peru Impendance index derived from monofrequency BIA Isotope dilution 133 preterm infants, prepubertal children and adults 32 (GA 33 + 1.6 weeks) Day 1 and day 4-7 postnatally Tang, 1997, United Kingdom Impendance index derived from monofrequency BIA Isotope dilution 28 preterm and term infants Unknown GA median 30.5, range 24 – 38 weeks Day 1 -7 postnatally
RkJQdWJsaXNoZXIy MTk4NDMw