Arrhythmias & electrophysiology

Real-world anticoagulant use and clinical outcomes in postoperative atrial fibrillation after coronary artery bypass grafting: a nationwide practice-based cohort from The Netherlands Heart Registration

Eur Heart J Qual Care Clin OutcomesPublished retrospective study

Authors' conclusion

Among POAF patients after CABG, crude mortality was lower in OAC users, but no survival benefit was observed from 30 days onward. Low long-term OAC continuation without excess thromboembolic mortality suggests the potential value of time-limited anticoagulation strategies.

Study context

Population
Adults with postoperative atrial fibrillation (POAF) after isolated coronary artery bypass grafting (CABG) (2013–2022) from the Netherlands Heart Registration, without prior atrial fibrillation or preoperative oral anticoagulation (OAC)POAF patients successfully linked, of 11,054 (24.8%) with POAF among 44,601 CABG patients
Participants
10,750 adults
Exposure
Comparing OAC with antiplatelets
Outcome
OAC initiation
Methodological detailsnationwide, practice-based cohort, linked to mortality and pharmacological data from Statistics Netherlands
  • Nationwide
  • Practice-based cohort
  • Linked to mortality and pharmacological data from Statistics Netherlands

Main finding

As reported in the abstract

OAC therapy initiated

43.6%

2013

38.7%

2022

53.7%

Observational data: associations, not effects.

Further findings

Crude thromboembolic mortality · crude

OutcomeOACAntiplatelets
Bleeding-related mortality0.000.08

30-day mortality, cerebrovascular events and bleeding reintervention · Within 30 days

Mortality
1.6%
Cerebrovascular events
1.3%
Bleeding reintervention
5.4%

OAC continuation · 10 years

Continued for 10 years
10.3%
Most discontinued OAC after 1 year

Survival from 30 days postoperatively

No significant differences between groups

Baseline characteristics

Mean age
68.9 years
Male
81.7%

Original publication

Real-world anticoagulant use and clinical outcomes in postoperative atrial fibrillation after coronary artery bypass grafting: a nationwide practice-based cohort from The Netherlands Heart Registration. Eur Heart J Qual Care Clin Outcomes. Published 18 October 2025. doi:10.1093/ehjqcco/qcaf124

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