Arrhythmia

Left Atrial Appendage Occlusion

Left Atrial Appendage Occlusion: Complications Through 7 Days Postprocedure

March 2015 – December 2020, N = 643

Of the 643 procedures, there were 11 complications (1.7%) through 7 days postprocedure in patients who had a Watchman™ left atrial appendage occlusion device implanted at Cleveland Clinic from March 2015 through December 2020.

LAAO = left atrial appendage occlusion

Source: EP Database and NCDR LAAO Registry

ᵃEWOLUTION, PROTECT-AF, CAP, and PREVAIL are published LAAO registries.

Patients with atrial fibrillation are at increased risk of stroke due to blood clots that form in the left atrial appendage (LAA). Cleveland Clinic’s Atrial Fibrillation Stroke Prevention Center is staffed by specialists who have extensive experience in the use of devices to close off the LAA to reduce this risk. For more information, click on the following links: left atrial appendage closure (https://my.clevelandclinic.org/health/treatments/17167-left-atrial-appendage--closure) and Atrial Fibrillation Stroke Prevention Center (https://my.clevelandclinic.org/departments/heart/depts/atrial-fibrillation-stroke-prevention-center).

Discontinuation of Oral Anticoagulants: Within 6 Months After Left Atrial Appendage Occlusion Procedure

January 2019 – December 2020

Among patients who had a left atrial appendage occlusion device implanted at Cleveland Clinic from January 2019 through December 2020, 93.4% stopped taking oral anticoagulants within 6 months after the procedure.

Patients implanted with a Watchman™ devicePatients who stopped oral anticoagulants within 6 monthsPercent stopped within 6 months
33130993.4%

Source: NCDR LAAO Registry