Female Doctor speaking with woman patient


Solution in Stroke Risk Reduction*

WATCHMAN™ LAAC offers a proven safe and effective option in reducing the risk of stroke in non-valvular AF patients

  • WATCHMAN is the only device proven to safely and effectively reduce the risk of stroke and long-term risk of bleeding associated with OAC use in patients with non-valvular AF.
  • Long-term data from PROTECT-AF and PREVAIL demonstrated that WATCHMAN offered statistically significant reductions in disabling and fatal stroke, non-procedure-related major bleeding and mortality compared to warfarin after 5 years of follow-up.6


The WATCHMAN device is the most studied LAAC device worldwide and is the only device with proven safety, efficacy, and patient benefits from both randomised trials and multicentre registries

Proven Procedure

Learn about the efficacy results of WATCHMAN compared to warfarin in clinical trials of patients with non-valvular AF who are eligible or have a contraindication to anticoagulation therapy.

Proven Procedure

Proven Safety

Review safety data from clinical studies and real-life results from the EWOLUTION Registry, showing overall high implant success rates for WATCHMAN.

Proven Safety

1. Reddy VY, Sievert H, Halperin J, et al; for the PROTECT AF Steering Committee and Investigators. Percutaneous left atrial appendage closure vs warfarin for atrial fibrillation: a randomized clinical trial. JAMA 2014;312(19):1988-1998.
2.(2014). Circulatory System Devices Panel: WATCHMAN® Left Atrial Appendage Closure Therapy Sponsor Presentation. 2014 FDA Circulatory System Devices Panel.
3. ASAP Registry, Reddy, et al. JACC 2013 Jun 25;61(25):2551-6.
4. PREVAIL, Holmes, DR et al. JACC 2014; Vol. 64, No. 1.
5. Boersma L. V.A. et al., Implant Success and Safety of Left Atrial Appendage Closure with the WATCHMANTM device: periprocedural outcomes from the EWOLUTION Registry. Eur Heart J. 2016;37(31):2465-74.
6. Reddy VY, 5-Year Outcomes After Left Atrial Appendage Closure From the PREVAIL and PROTECT AF Trials. J Am Coll Cardiol. 2017 Dec 19;70(24):2964-2975. 

CAUTION: The law restricts these devices to sale by our on the order of a physician. Indications, contraindications, warnings and instructions for use can be found in the product labeling supplied with each device.
Information for the use only in countries with applicable health authority product registrations. Information contained herein is for distribution outside the U.S., Japan and France.