Heme Catabolism and Bilirubin Production in Readmitted Jaundiced Newborns

M. Jeffrey Maisels, Oakland University William Beaumont School of Medicine
Elizabeth A. Kring, Beaumont Children's Hospital
Mary P. Coffey, Beaumont Research Institute


© 2020 Elsevier Inc. We measured end-tidal CO levels in 50 jaundiced newborns readmitted for phototherapy at age 54-244 hours. The median end-tidal CO level was 1.55 ppm, suggesting that hemolysis is not the primary contributor to the hyperbilirubinemia in many readmitted newborns.