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New Technology for AF patients


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The WATCHMAN™ left atrial appendage closure device offers a new stroke risk reduction option for patients with atrial fibrillation who are seeking an alternative to oral anticoagulants (blood thinners).

What is Atrial Fibrillation (AF)

Atrial fibrillation is a common heart condition where the upper chambers of your heart (atria) beat too fast and with chaotic rhythm (fibrillation). This condition can cause blood to pool and form clots in an area of your heart called the left atrial appendage (LAA). If a blood clot forms, it can travel through an artery to the brain and cause a stroke.

What is the Watchman

The WATCHMAN™ device is a one-time implant that is a barrier to prevent left atrial appendage blood clots from entering the bloodstream and blocking a blood vessel in the brain resulting in a stroke. For people who are seeking an alternative to blood thinners, this quarter sized implant has been used.

The device is shaped like a jellyfish, and is a self-expanding device made from nitinol (nickel-titanium alloy). The top of the device is covered with a permeable polyester fabric that acts like a filter initially but becomes covered with a patient's own cells within 45 days.

It is important to know that a stroke can be due to factors not related to a clot traveling to the brain from the left atrial appendage. Other causes of stroke can include high blood pressure and narrowing of the blood vessels to the brain. The WATCHMAN Implant will not prevent these other causes of stroke and does not cure atrial fibrillation. Be sure to discuss your specific situation with your doctor as you consider all options to reduce your risk of stroke.

PeaceHealth Heart & Vascular Center
200 NE Mother Joseph Pl
Vancouver, WA 98664