Factor XI Inhibitors Cut Bleeding but Raise Ischemic Stroke in AF

Background Information

Factor XI inhibitors reduce bleeding but may affect stroke prevention in atrial fibrillation.

Understanding the safety and efficacy trade-offs between factor XI and factor Xa inhibitors can guide better anticoagulation choices for atrial fibrillation. Factor XI inhibitors were associated with significantly lower rates of major and minor bleeding compared to factor Xa inhibitors, but they may have inferior stroke prevention efficacy. While factor XI inhibitors reduce hemorrhagic complications, their efficacy in preventing thromboembolic events requires careful consideration. These findings highlight a need for further evaluation in clinical practice. Factor XI inhibitors may offer a safer bleeding profile but raise concerns about stroke prevention effectiveness.