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Multicenter Study
, 97 (5), F348-52

Thrombocytopaenia and Intraventricular Haemorrhage in Very Premature Infants: A Tale of Two Cities

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Multicenter Study

Thrombocytopaenia and Intraventricular Haemorrhage in Very Premature Infants: A Tale of Two Cities

Jeannette S von Lindern et al. Arch Dis Child Fetal Neonatal Ed.

Abstract

Objective: To study whether the incidence of intraventricular haemorrhage (IVH) in very premature infants (<32 weeks gestation) with thrombocytopaenia is lower when using a liberal platelet-transfusion guideline compared with a restrictive guideline.

Study design: A retrospective cohort study comparing the incidence of IVH in very premature infants with thrombocytopaenia (platelet count <150×10(9)/l) admitted between 2007 and 2008 to two neonatal intensive care unit in The Netherlands. The restrictive platelet-transfusion unit (N=353 infants <32 weeks gestation) transfused only in case of active haemorrhage and a platelet count <50×10(9)/l. The liberal-transfusion unit (N=326 infants <32 weeks gestation) transfused according to predefined platelet count thresholds. Primary outcome was the incidence and severity of IVH in infants with thrombocytopaenia in both units.

Results: The number of infants with thrombocytopaenia that received a platelet transfusion was significantly lower in the restrictive-transfusion unit compared with the liberal-transfusion unit, 15% (21/145) versus 31% (41/141), (p<0.001). The incidence of IVH in infants with thrombocytopaenia in the restrictive-transfusion and liberal-transfusion units was 30% (44/145) and 29% (41/141), respectively (p=0.81). The incidence of severe IVH (grade 3 or 4) in the restrictive-transfusion and liberal-transfusion units was 8% (12/145) and 11% (16/141), respectively (p=0.38).

Conclusion: In the restrictive-transfusion unit, the rate of platelet transfusions was significantly lower, but the incidence and severity of IVH was similar to the liberal-transfusion unit.

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