Pharmacotherapy for diabetes and stroke risk: Results from ROCKET AF

of the ROCKET AF Steering Committee and Investigators

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Insulin use may be a better predictor of stroke risk and morbidity and mortality than diabetes in patients with atrial fibrillation (AF). Objectives: Determine if the increased risk of stroke observed in patients with AF and diabetes is restricted to those treated with insulin. Methods: We analyzed the association between diabetes and treatment and the occurrence of stroke/systemic embolism, myocardial infarction (MI), all-cause death, vascular death, composite outcomes, and bleeding risk in the ROCKET AF trial. Results: In a cohort of 14,264 patients, there were 40.3% (n = 5746) with diabetes, 5.9% (n = 842) on insulin, 18.9% (n = 2697) on oral medications, and 11.9% (n = 1703) diet-controlled. Compared to those without diabetes, patients with non–insulin-treated diabetes had increased risks of stroke (hazard ratio [HR] 1.33, 95% confidence interval [CI] 1.06–1.68), MI (HR 1.64, 95% CI 1.17–2.30), all-cause death (HR 1.26, 95% CI 1.08–1.46), vascular death (HR 1.33, 95% CI 1.11–1.60), and composite outcomes (HR 1.37, 95% CI 1.18–1.157). Patients with insulin-treated diabetes had a significantly higher risk of MI (HR 2.31, 95% CI 1.33–4.01) and composite outcomes (HR 1.57, 95% CI 1.19–2.08) compared to those without diabetes. There were no significant differences between insulin-treated and non–insulin-treated diabetes for any outcome. Conclusion: Among patients with AF and diabetes, there were no significant differences in outcomes in insulin-treated diabetes compared to non–insulin-treated diabetes.

Original languageEnglish
Pages (from-to)215-222
Number of pages8
JournalHeart Rhythm O2
Volume2
Issue number3
DOIs
StatePublished - Jun 2021

Keywords

  • Atrial fibrillation
  • Diabetes
  • Rivaroxaban
  • Stroke
  • Warfarin

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