Arrhythmias & electrophysiologySecondary analysis

Risk of stroke and other adverse outcomes in patients with perioperative atrial fibrillation 1 year after non-cardiac surgery

Eur Heart JPublished

  • Secondary analysis of the POISE-1 and POISE-2 randomised trials
  • pooled datasets
  • multivariable adjusted Cox proportional hazards models

Authors' conclusion

Patients with POAF have a significantly increased risk of stroke, MI, and death at 1 year.

Study context

Population
Patients with, or at risk of, CVD undergoing non-cardiac surgery (POISE-1 and POISE-2), excluding those in atrial fibrillation (AF) at randomization404 had perioperative atrial fibrillation (POAF) (2.2%)
Participants
18,117 participants
Comparison
POAF vs no POAF after non-cardiac surgery
  • POAFn = 404
Primary endpoint
Incidence of stroke
Follow-up
1 year

Primary result

Stroke · 1 year after surgery

Adjusted hazard ratio

3.43

95% CI 2.00–5.90

P < 0.001

By group

POAF vs No POAF
aHR 3.43 (95% CI 2.00–5.90); P < 0.001

As reported in the abstract

Secondary outcomes

OutcomePOAFNo POAFaHR (95% CI)P value
Death31.379.342.51 (2.01–3.14)P < 0.001
MI26.208.235.10 (3.91–6.64)P < 0.001

Original publication

Risk of stroke and other adverse outcomes in patients with perioperative atrial fibrillation 1 year after non-cardiac surgery. Eur Heart J. Published 25 June 2019. doi:10.1093/eurheartj/ehz431

Summarised from the published abstract; every number is checked against it