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Argatroban for anticoagulation during cardiac surgery
Monte E Martin1, Goetz H Kloecker, Damian A Laber
1Division of Hematology and Medical Oncology, Department of Medicine, J.G. Brown Cancer Center, University of Louisville, Louisville, KY, USA.
European Journal of Haematology
|March 3, 2007
Summary
Argatroban may be safely used for anticoagulation during adult cardiac surgery with activated clotting time (ACT) monitoring. Careful dosing is crucial to prevent thrombotic complications and manage coagulopathy.
Area of Science:
- Cardiovascular Surgery
- Anesthesiology
- Pharmacology
Background:
- Review of published data and case reports on argatroban use in adult cardiac surgery.
- Investigating patient characteristics, surgical procedures, dosing, monitoring, and outcomes.
Observation:
- Fifteen off-pump cases used argatroban with ACT 200-300s; three thrombi occurred with ACT <280s.
- Six on-pump cases used argatroban with ACT >400s; one pump clot noted, with increased blood product use and coagulopathy in three patients.
Findings:
- Argatroban administration during cardiac surgery requires careful ACT monitoring.
- Off-pump surgery showed fewer thrombotic events compared to on-pump procedures at specific ACT ranges.
- Post-operative anticoagulation with argatroban was managed without complications in some cases.
Implications:
- Argatroban, with appropriate ACT monitoring, can be a safe anticoagulation option during adult cardiac surgery.
- Dosing adjustments are critical to balance anticoagulation efficacy and thrombotic risk.
- Further research into optimal argatroban protocols for different cardiac surgical procedures is warranted.
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