Perioperative medicine & outcomes

Comparing the efficacy and safety of thromboprophylaxis with enoxaparin versus normal saline after liver transplantation: randomized clinical trial

Br J SurgPublished Randomised controlled trial

Authors' conclusion

Use of prophylactic anticoagulation with enoxaparin is associated with a significantly higher incidence of major bleeding in patients undergoing deceased-donor liver transplantation, rather than a lower likelihood of venous thrombosis.

Study context

Population
Patients undergoing deceased-donor liver transplantationrecruited
Participants
462 patients
Comparison
Enoxaparin vs normal saline after liver transplantation
Primary endpoint
Incidence of venous thrombosis (portal vein thrombosis and DVT); primary safety outcome major bleeding
Follow-up
90 days
Methodological detailsdual-centre
  • Dual-centre

Primary result

As reported in the abstract

Venous thrombosis

Venous thrombosis, all patients

89

19.3%

Further findings

DVT in hepatocellular carcinoma patients (subgroup)

Anticoagulation associated with lower risk of DVT in hepatocellular carcinoma patients
HR 0.44 (95% c.i. 0.23 to 0.86), P = 0.016
Without a significantly higher risk of major bleeding in hepatocellular carcinoma patients

Venous thrombosis, portal vein thrombosis, DVT

No significant differences between the two groups
  • Intention-to-treat

Safety

Major bleeding (primary safety outcome) · within 90 days after transplantation

Markedly elevated incidence of major bleeding in the anticoagulant group vs the other group
35.5% versus 25.5%, P = 0.020
Major bleeding, all patients
141 (30.5%)
  • Intention-to-treat

Original publication

Comparing the efficacy and safety of thromboprophylaxis with enoxaparin versus normal saline after liver transplantation: randomized clinical trial. Br J Surg. Published 24 February 2025. doi:10.1093/bjs/znae325

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