Number of infants in different populations with birth weight < 1500 g who received exchange transfusions between 1974 and 1997. Number of infants in different.

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Presentation transcript:

Number of infants in different populations with birth weight < 1500 g who received exchange transfusions between 1974 and 1997. Number of infants in different populations with birth weight < 1500 g who received exchange transfusions between 1974 and 1997. Note 1: a total of 215 newborns < 1500 g in the National Institute of Child Health and Human Development (NICHHD) cooperative phototherapy trial assigned to the control group (did not receive phototherapy). Seventy seven of 215 patients (35.8%) received a total of 161 exchange transfusions. In the phototherapy group, 17 of 196 (8.7%) infants received exchange transfusions. These data are included to illustrate the frequency of exchange transfusion before the introduction of phototherapy.16 Note 2: of a total of 1338 live births < 1500 g in the Netherlands (1983), 37 infants (2.8%) required at least one exchange transfusion.59 Note 3: of 833 live births (500–1500 g) in a 17 county region in North Carolina, two infants required an exchange transfusion (0.24%).10 Note 4: no exchange transfusions were performed in 1213 live births < 1500 g at William Beaumont Hospital, Royal Oak, MI between 1988 and 1997.11 M J Maisels, and J F Watchko Arch Dis Child Fetal Neonatal Ed 2003;88:F459-F463 Copyright © BMJ Publishing Group Ltd & Royal College of Paediatrics and Child Health. All rights reserved.