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  • Title: Role of circulating complement and polymorphonuclear leukocyte transfusion in treatment and outcome in critically ill neonates with sepsis.
    Author: Cairo MS, Worcester C, Rucker R, Bennetts GA, Amlie R, Perkin R, Anas N, Hicks D.
    Journal: J Pediatr; 1987 Jun; 110(6):935-41. PubMed ID: 3585610.
    Abstract:
    We examined the effects of early administration of polymorphonuclear leukocyte (PMN) transfusions in neonates with sepsis by prospectively randomizing 35 consecutive critically ill infants with sepsis, 21 of whom received PMN transfusions in addition to supportive care, one transfusion every 12 hours for a total of five transfusions. Each transfusion consisted of 15 mL/kg containing 0.5 to 1.0 X 10(9) PMN with less than 10% lymphocytes, and was subjected to 1500 rads. PMNs were obtained by continuous-flow centrifugation leukopheresis. Pretreatment values that did not significantly affect survival included weight, gestational age, sex, prematurity, C-reactive protein, initial hematocrit, platelet count and absolute granulocyte count (AGC less than or equal to 1500/mm3), IgM, IgG, IgA, neutrophil supply pool depletion, hypoxia, acidosis, and hypotension. Postnatal age was significantly lower in the nontransfused group than in the transfused group; 2.3 +/- 0.6 vs 6.1 +/- 2.2, (P less than 0.001). Positive blood cultures were obtained in 80% of both groups. Low circulating levels of total hemolytic complement were associated with a poor outcome and higher mortality: 56 +/- 4.0 IU in survivors vs 31 +/- 4.4 IU in nonsurvivors (P less than 0.01). Survival was significantly greater in the PMN transfused group than in the nontransfused group: 20 (95%) of 21 vs nine (64%) of 14 (P less than or equal to 0.05). No untoward effects were attributable to PMN transfusions, either during the study or on subsequent follow-up visits. These preliminary data suggest that early treatment with PMN transfusions improves survival in neonates with overwhelming sepsis. In addition, depleted or low circulating levels of complement may influence prognosis and thus future treatment strategies for neonatal sepsis.
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