Cardiothoracic & vascular anesthesia

Evaluation of Postoperative Thromboembolic Events in Orthotopic Heart Transplant Patients Receiving 4-Factor Prothrombin Complex Concentrate Monotherapy Versus Combination Therapy With Very Low-Dose Recombinant Activated Factor VII: A Retrospective Cohort Study

J Cardiothorac Vasc AnesthPublished Retrospective cohort study

Authors' conclusion

The addition of very low-dose rFVIIa to 4F-PCC during OHT demonstrated a non-statistically significant increase in thrombotic events.

Study context

Population
Adults undergoing orthotopic heart transplantation (OHT) in 2023 who received 4F-PCC for perioperative coagulopathy, tertiary academic centre, Boston
Participants
56 adults
Exposure
4F-PCC plus very low-dose rFVIIa vs 4F-PCC monotherapy
  • Combinationn = 15
  • Monotherapyn = 41reference
Outcome
Incidence of thromboembolic events
Follow-up
Within 30 days postoperatively or until discharge, whichever first
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

P = 0.32

Observational data: associations, not effects.

Original publication

Evaluation of Postoperative Thromboembolic Events in Orthotopic Heart Transplant Patients Receiving 4-Factor Prothrombin Complex Concentrate Monotherapy Versus Combination Therapy With Very Low-Dose Recombinant Activated Factor VII: A Retrospective Cohort Study. J Cardiothorac Vasc Anesth. Published 19 April 2026. doi:10.1053/j.jvca.2026.04.030

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