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Association between red blood cell transfusion and adverse clinical outcomes is Independent of cardiac history: a multicenter observational InPUT study analysis

  • Antoine Kimmoun*
  • , Nicolas Girerd
  • , InPUT Study Group
  • , Kevin Duarte
  • , Jolie Bruno
  • , Jimmy Schenk
  • , Bruno Levy
  • , Guillaume Baudry
  • , Senta Jorinde Raasveld
  • , Sanne de Bruin
  • , Merijn C. Reuland
  • , Claudia van den Oord
  • , Caroline M. Schaap
  • , Jan Bakker
  • , Maurizio Cecconi
  • , Aarne Feldheiser
  • , Jens Meier
  • , Zoe McQuilten
  • , Marcella C.A. Müller
  • , Thomas W.L. Scheeren
  • Cécile Aubron, Andrew W.J. Flint, Tarikul Hamid, Michaël Piagnerelli, Tina Tomić Mahečić, Jan Benes, Lene Russell, Hernán Aguirre-Bermeo, Konstantina Triantafyllopoulou, Vasiliki Chantziara, Mohan Gurjar, Sheila Nainan Myatra, Vincenzo Pota, Muhammed Elhadi, Ryszard Gawda, Mafalda Mourisco, Marcus Lance, Vojislava Neskovic, Matej Podbregar, Juan V. Llau, Manual Quintana-Diaz, Maria Cronhjort, Carmen A. Pfortmueller, Nihan Yapici, Nathan Nielsen, Akshay Shah, Harm Jan de Grooth, Alexander Vlaar, Alexandre Mebazaa
*Corresponding author for this work
  • Université de Lorraine
  • Université Paris Cité
  • Assistance publique – Hôpitaux de Paris
  • Amsterdam UMC
  • Pontificia Universidad Católica de Chile
  • IRCCS Istituto Clinico Humanitas - Rozzano (Milano)
  • EvangKliniken Essen-Mitte
  • Kepler University Hospital GmbH and Johannes Kepler University
  • Monash University
  • University Medical Centre Groningen
  • Université de Bretagne Occidentale
  • Asgar Ali Hospital
  • Université libre de Bruxelles
  • University of Zagreb
  • Charles University
  • Rigshospitalet
  • Copenhagen University Hospital (Nordvest)
  • University of Copenhagen
  • Hospital Vicente Corral Moscoso
  • European Interbalkan Medical Center
  • National and Kapodistrian University of Athens
  • Sanjay Gandhi Postgraduate Institute of Medical Sciences
  • Tata Memorial Hospital
  • University of Campania Luigi Vanvitelli
  • University of Tripoli
  • University of Opole
  • Centro Hospitalar de Entro o Douro e Vouga
  • Aga Khan University
  • Military Medical Academy
  • Institute for Economic Research
  • Hospital Universitario Dr. Peset
  • Hospital Universitario La Paz
  • Karolinska Institutet
  • University of Bern
  • University of Health Sciences
  • University of New Mexico
  • University of Oxford
  • Amsterdam UMC, Locatie VUmc
  • Paris University

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
23 Downloads (Pure)

Abstract

Purpose: 

Red-blood-cell (RBC) transfusion is one of the most frequent interventions in critical care patients. While patients with acute cardiac conditions are more likely to receive transfusions at higher haemoglobin thresholds than other critically ill patients, data on RBC transfusion practice for critically ill patients with pre-existing cardiac conditions are scarce. 

Methods: 

Using the International Point-Prevalence Study of Intensive-Care Unit Transfusion Practices cohort, weighted logistic regression investigated the association between the RBC units transfused and the primary composite outcome of 28-day mortality, new-onset acute kidney injury or ventilatory weaning failure. Interactions with cardiac history (acute coronary syndrome and/or heart failure) were tested. 

Results: 

Cardiac history was present in 746 of 3643 patients (20%) and 894 of 3643 (25%) received at least one RBC unit. Transfusion rates were similar in patients with and without cardiac history (25% vs. 24%; p = 0.51). Among transfused patients, median nadir haemoglobin during ICU stay was slightly higher in those with cardiac history (7.6 g/dL vs. 7.4 g/dL respectively; p = 0.007), whereas stated haemoglobin transfusion threshold did not statistically differ (8.5 g/dL vs. 8.0 g/dL; p = 0.11). Each additional RBC unit increased the odds of the composite outcome in the whole cohort (2.18, 95% CI 1.85–2.56, p < 0.0001), without interaction with cardiac history (p = 0.44). 

Conclusions: 

RBC transfusion was commonly and similarly prescribed in critically ill patients with or without cardiac history. Each additional unit was associated with a worse outcome with no evidence of differential effect due to cardiac history. Trial registration: NL9049 (Dutch Trial Register), registered on 16 November 2020.

Original languageEnglish
Article number526
JournalCritical Care
Volume29
Issue number1
DOIs
Publication statusPublished - 18 Dec 2025

Bibliographical note

Publisher Copyright:
© The Author(s) 2025.

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