• Carl Thomas Anthon, Frédéric Pène, Anders Perner, Elie Azoulay, Kathryn Puxty, Andry Van De Louw, Sanjay Chawla, Pedro Castro, Pedro Povoa, Luis Coelho, Victoria Metaxa, Matthias Kochanek, Tobias Liebregts, Thomas Kander, Mirka Sivula, AndreasenJo BøndingJB0000-0002-6615-4438Department of Anaesthesia and Intensive Care, Aalborg University Hospital, Aalborg, Denmark., Lene Bjerregaard Nielsen, Christine Lodberg Hvas, Etienne Dufranc, Emmanuel Canet, Christopher John Wright, Julien Schmidt, Fabrice Uhel, Louai Missri, Mette Krag, Elisabet Cos Badia, Cándido Díaz-Lagares, Sophie Menat, Guillaume Voiriot, Erikstrup ClausenNielsN0000-0002-4370-859XDepartment of Anaesthesia and Intensive Care, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark., Kristian Lorentzen, Reidar Kvåle, Andreas Barratt-Due, Thomas Hildebrandt, Aleksander Rygh Holten, Kristian Strand, Morten Heiberg Bestle, Pål Klepstad, Damien Vimpere, Carolina Paulino, Catherina Lueck, Christian Svendsen Juhl, Carolina Costa, Per Martin Bådstøløkken, Lia Susana Aires Lêdo, MøllerMorten HylanderMH0000-0002-6378-9673Department of Intensive Care, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark.Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark., and Lene Russell.
• Department of Intensive Care, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark.
• Acta Anaesthesiol Scand. 2024 Sep 1; 68 (8): 101810301018-1030.

BackgroundPlatelet transfusions are frequently used in the intensive care unit (ICU), but current practices including used product types, volumes, doses and effects are unknown.Study Design And MethodsSub-study of the inception cohort study 'Thrombocytopenia and Platelet Transfusions in the ICU (PLOT-ICU)', including acutely admitted, adult ICU patients with thrombocytopenia (platelet count <150 × 109/L). The primary outcome was the number of patients receiving platelet transfusion in ICU by product type. Secondary outcomes included platelet transfusion details, platelet increments, bleeding, other transfusions and mortality.ResultsAmongst 504 patients with thrombocytopenia from 43 hospitals in 10 countries in Europe and the United States, 20.8% received 565 platelet transfusions; 61.0% received pooled products, 21.9% received apheresis products and 17.1% received both with a median of 2 (interquartile range 1-4) days from admission to first transfusion. The median volume per transfusion was 253 mL (180-308 mL) and pooled products accounted for 59.1% of transfusions, however, this varied across countries. Most centres (73.8%) used fixed dosing (medians ranging from 2.0 to 3.5 × 1011 platelets/transfusion) whilst some (mainly in France) used weight-based dosing (ranging from 0.5 to 0.7 × 1011 platelets per 10 kg body weight). The median platelet count increment for a single prophylactic platelet transfusion was 2 (-1 to 8) × 109/L. Outcomes of patients with thrombocytopenia who did and did not receive platelet transfusions varied.ConclusionsAmong acutely admitted, adult ICU patients with thrombocytopenia, 20.8% received platelet transfusions in ICU of whom most received pooled products, but considerable variation was observed in product type, volumes and doses across countries. Prophylactic platelet transfusions were associated with limited increases in platelet counts.© 2024 The Author(s). Acta Anaesthesiologica Scandinavica published by John Wiley & Sons Ltd on behalf of Acta Anaesthesiologica Scandinavica Foundation.

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