AFib, Ablation, and Stroke

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OPTION - AFib, Ablation, and Stroke - Boston Scientific

What Is AFib?

Atrial Fibrillation (AFib) is a heart condition in which the upper chambers of your heart quiver. This condition can cause blood clots to form in an area of your heart called the left atrial appendage (LAA). If a blood clot forms here, it can travel through an artery to the brain and cause a stroke. ​

People with AFib have a five-times greater risk for stroke than people with normal heart rhythms.1

  

Managing AFib and Stroke Risk

While completely curing AFib may not be possible, medications and/or treatments such as an AFib ablation, a procedure to burn or freeze the tissue around the veins in the upper left chamber of your heart, can help decrease the burden of AFib. However, even after an ablation, you are still at risk of having a stroke.​

Blood thinners or Left Atrial Appendage Closure (LAAC) implants like WATCHMAN address the need for stroke reduction in AFib patients.​

WATCHMAN is a one-time procedure that does not require open heart surgery and may reduce stroke risk for a lifetime. The device is about the size of a quarter, and eliminates the need for long-term blood thinner use. It is implanted into the left atrial appendage of your heart to permanently close off this small pouch and keep harmful blood clots from escaping and causing a stroke.​

  

The Implant Procedure

NOTE: The OPTION Trial uses the WATCHMAN FLXTM Left Atrial Appendage Closure Device, which is an investigational device and not available for sale in the U.S. WATCHMAN FLXTM  is CE Marked.
  
WATCHMAN Implant Procedure Step 1
To implant the device, your doctor inserts a narrow tube into a vein in your upper right leg.
WATCHMAN Implant Procedure Step 2
Your doctor then guides the device through the tube, into your left atrial appendage (LAA).
WATCHMAN Implant Procedure Step 3
The procedure is done under anesthesia and typically takes under an hour. People who get the implant usually stay in the hospital overnight and go home the next day.
WATCHMAN Implant Procedure Step 4
After the procedure, you will remain on blood thinner + aspirin therapy for about 3-months until your LAA is permanently closed off.
WATCHMAN Implant Procedure Step 5
During that time, heart tissue grows over the device to form a barrier against blood clots.
1. Holmes D. Atrial Fibrillation and Stroke Management: Present and Future. Semin Neurol 2010, 30:528-536.
WATCHMAN FLX is an FDA approved device being studied for an expanded indication as a first line therapy vs OAC for post-ablation NVAF patients. The use of WATCHMAN or WATCHMAN FLX as a first-line therapy for stroke risk reduction in post-ablation NVAF patients is considered investigational.

Important Safety Information

The WATCHMAN and WATCHMAN FLX Devices are permanent implants designed to close the left atrial appendage in the heart in an effort to reduce the risk of stroke.

With all medical procedures there are risks associated with the implant procedure and the use of the device. The risks include but are not limited to accidental heart puncture, air embolism, allergic reaction, anemia, anesthesia risks, arrhythmias, AV (Arteriovenous) fistula, bleeding or throat pain from the TEE (Trans Esophageal Echo) probe, blood clot or air bubbles in the lungs or other organs, bruising at the catheter insertion site, clot formation on the device, cranial bleed, excessive bleeding, gastrointestinal bleeding, groin puncture bleed, hypotension, infection/pneumonia, pneumothorax, pulmonary edema, pulmonary vein obstruction, renal failure, stroke, thrombosis and transient ischemic attack. In rare cases death can occur.

Be sure to talk with your doctor so that you thoroughly understand all of the risks and benefits associated with the implantation of the device.
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