Pediatric anesthesia & critical care

Heparin Versus Bivalirudin in Pediatric Patients Assisted With Mechanical Circulatory Support: A Retrospective Before-and-after Study

J Cardiothorac Vasc AnesthPublished Retrospective cohort study

Authors' conclusion

In a cohort of children with heart failure, bivalirudin use was associated with a reduction in thrombotic events in Berlin Heart patients compared with heparin over a period of 30 days.

Study context

Population
Pediatric patients on mechanical circulatory support for cardiac failure, tertiary pediatric cardiac ICU
Participants
36 patients
Exposure
Bivalirudin vs Heparin
  • Bivalirudinn = 18
  • Heparinn = 18reference
Outcome
Incidence of thrombotic events
Follow-up
First 30 days of ICU admission
Methodological detailsbefore-and-after, single-centre
  • Before-and-after
  • Single-centre

Main finding

As reported in the abstract

Thrombotic events, Berlin Heart patients (subgroup)

P = 0.005

Observational data: associations, not effects.

Further findings

Death, ECMO patients (subgroup)

P = 0.169

OutcomeBivalirudineventsHeparinP value
Thrombosis, ECMO patients (subgroup)08.3%P = 0.40
Cerebrovascular events, Berlin Heart patients (subgroup)030%
Death, Berlin Heart patients (subgroup)030%P = 0.054
Cerebrovascular events, ECMO patients (subgroup)00 events
Out-of-range partial thromboplastin time valuesBoth Berlin Heart and ECMO patientsP < 0.0001

Out-of-range partial thromboplastin time values

Higher in the heparin group in both Berlin Heart and ECMO patients

Original publication

Heparin Versus Bivalirudin in Pediatric Patients Assisted With Mechanical Circulatory Support: A Retrospective Before-and-after Study. J Cardiothorac Vasc Anesth. Published 12 February 2025. doi:10.1053/j.jvca.2025.01.041

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