The Fourth Left Atrial Appendage Occlusion Study (LAAOS-4)

Research summary

This is a Multicenter,prospective,open-label,randomized controlled trial with blinded assessment of endpoints (PROBE) to determine if catheter-based endovascular left atrial appendage occlusion (LAAO) prevents ischemic stroke or systemic embolism in participants with atrial fibrillation (AF),who remain at high risk of stroke,despite receiving ongoing treatment with oral anticoagulation.

Principal Investigator

Prof Tim Betts

Contact us

Email: oxfordheartresearch@ouh.nhs.uk

IRAS number

347359