ArticleTransfusion2025
Platelet transfusion induces transfusion-associated circulatory overload in rats with myocardial infarction.
Article in Transfusion, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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Authors and funding
9 authors.
Funding
Abstract
backgroundTransfusion-associated circulatory overload (TACO) accounts for 35% of transfusion-related fatalities. Previous pre-clinical studies explored plasma and red blood cell transfusion in TACO, but the effect of platelets remains unexplored. Platelet transfusions have the highest rate of adverse reactions and are associated with increased mortality in TACO patients. We aimed to determine whether platelet transfusion induces circulatory overload compared to crystalloids and whether it causes a more severe phenotype than plasma in a TACO rat model of myocardial infarction (MI).
methodsA validated TACO model in anemic Wistar rats with MI was used. Animals received platelets (n = 11), plasma (n = 10), or Ringer's lactate (n = 11). Pulmonary capillary pressure was assessed via left-ventricular end-diastolic pressure (LVEDP). The primary outcome was the change in LVEDP (ΔLVEDP) following transfusion. Secondary outcomes included pulmonary wet/dry weight ratio, oxygen tension or partial pressure of oxygen (PaO
resultsΔLVEDP following platelet transfusion (10.4 ± 4.6 mmHg) was significantly greater than Ringer's lactate (0.9 ± 1.4 mmHg; p < .001), but similar to plasma (13.0 ± 7.7 mmHg; p > .5). Pulmonary wet/dry weight ratios were comparable across groups (p > .5). At termination, PaO DISCUSSION: Platelet transfusion induces circulatory overload in a TACO rat model with heart failure when compared to crystalloids, showing a trend toward reduced oxygenation compared to plasma transfusion. Further investigation is needed to determine the pathophysiological mechanisms.
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