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  • Title: Buffy coat transfusions in neutropenic neonates with presumed sepsis: a prospective, randomized trial.
    Author: Baley JE, Stork EK, Warkentin PI, Shurin SB.
    Journal: Pediatrics; 1987 Nov; 80(5):712-20. PubMed ID: 3670972.
    Abstract:
    Neonatal sepsis, accompanied by neutropenia, is associated with a high mortality. To determine whether granulocyte transfusions improve the survival of critically ill neutropenic infants, we prospectively randomized 25 infants to transfusion and nontransfusion groups, matching for birth weight (less than or equal to 1,500 g or greater than 1,500 g). Infants with necrotizing enterocolitis were randomized separately. Neutropenia was established by two successive absolute neutrophil counts less than or equal to 1,500 cells prior to randomization. The transfusion (n = 12) and nontransfusion (n = 13) groups did not differ with respect to clinical or hematologic characteristics. In 23 of 25, bone marrow aspirations were performed to determine the percentage of neutrophil storage pool. Granulocyte transfusions of buffy coats from single units of whole blood (0.1 to 0.9 X 10(9) polymorphonuclear leukocytes per kilogram) were given daily until the absolute neutrophil count increased to more than 1,500/microL. Only five infants, mostly those with necrotizing enterocolitis, required more than one transfusion. A circulating immature to total neutrophil ratio (I:T) greater than or equal to 0.80 was not predictive of an infant with a neutrophil storage pool less than or equal to 7%, and neither an I:T less than 0.80 nor a neutrophil storage pool greater than 7% were predictive of survival. Granulocyte transfusions did not improve survival when either comparing the whole group, those 17 infants with cultures positive for bacteria or viruses, the 19 infants with a circulating I:T greater than or equal to 0.80, or the nine infants with a neutrophil storage pool less than or equal to 7%.(ABSTRACT TRUNCATED AT 250 WORDS)
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