• Jake V Hinton, Zhongyue Xing, Calvin Fletcher, Luke A Perry, Alexandra Karamesinis, Jenny Shi, Jahan C Penny-Dimri, Dhruvesh Ramson, Tim G Coulson, Reny Segal, Julian A Smith, Jenni Williams-Spence, Laurence Weinberg, and Rinaldo Bellomo.
• Department of Anaesthesia, Austin Health, Heidelberg, Victoria, Australia.
• Acta Anaesthesiol Scand. 2024 Jul 1; 68 (6): 753763753-763.

BackgroundFresh frozen plasma (FFP) transfusion is used to manage coagulopathy and bleeding in cardiac surgery patients despite uncertainty about its safety and effectiveness.MethodsWe performed a propensity score matched analysis of the Australian and New Zealand Society of Cardiac and Thoracic Surgeons National Cardiac Surgery Database including patients from 39 centres from 2005 to 2018. We investigated the association of perioperative FFP transfusion with mortality and other clinical outcomes.ResultsOf 119,138 eligible patients, we successfully matched 13,131 FFP recipients with 13,131 controls. FFP transfusion was associated with 30-day mortality (odds ratio (OR), 1.41; 99% CI, 1.17-1.71; p < .0001), but not with long-term mortality (hazard ratio (HR), 0.92; 99% CI, 0.85-1.00; p = .007, Holm-Bonferroni α = 0.0004). FFP was also associated with return to theatre for bleeding (OR, 1.97; 99% CI, 1.66-2.34; p < .0001), prolonged intubation (OR, 1.15; 99% CI, 1.05-1.26; p < .0001) and increased chest tube drainage (Mean difference (MD) in mL, 131; 99% CI, 120-141; p < .0001). It was also associated with reduced postoperative creatinine levels (MD in g/L, -6.33; 99% CI, -10.28 to -2.38; p < .0001).ConclusionIn a multicentre, propensity score matched analysis, perioperative FFP transfusion was associated with increased 30-day mortality and had variable associations with secondary clinical outcomes.© 2024 Acta Anaesthesiologica Scandinavica Foundation.

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