Transfusion of 35-Day Stored RBCs in the Presence of Endotoxemia Does Not Result in Lung Injury in Humans (original) (raw)

Critical care medicine, 2016

Abstract

Transfusion-related acute lung injury is the leading cause of transfusion-related mortality. Preclinical studies have shown that aged RBCs can induce transfusion-related acute lung injury in the presence of a "first hit" (e.g., sepsis). Clinical studies, however, show conflicting results on this matter. We tested whether maximally stored RBCs are able to induce lung injury in the presence of a "first hit" in humans (Dutch Trial Register: NTR4455). Open-label, randomized controlled trial. Healthy male volunteers. Eighteen healthy male volunteers donated one unit of autologous RBCs 2 or 35 days before the experiment. The experiment was started by infusion of 2 ng/kg lipopolysaccharide ("first hit"). After 2 hours, volunteers received normal saline (n = 6), 2-day stored transfusion (n = 6), or 35-day stored transfusion (n = 6) ("second hit"). Blood was sampled hourly. Six hours after transfusion, the diffusion capacity of the lungs for carbon mon...

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