What is a watchman heart procedure? The WATCHMAN implant device is about the size of a quarter and shaped like a parachute. It is implanted into the heart to close off the left atrial appendage (LAA), a blind pouch of heart tissue to prevent blood clots from forming and causing a stroke.
What is the success rate of the Watchman procedure? Watchman device success rates
After 45 days, 92% of patients who get a Watchman device can completely stop taking blood thinners. After one year, that percentage goes up to 99%.
How serious is the watchman surgery? Although the procedure is minimally invasive and effective, some people may experience complications during or following the procedure. Risks and complications associated with the Watchman procedure include: Cardiac tamponade. Accidental heart puncture.
How long does the watchman heart procedure take? The WATCHMAN device is implanted in the hospital. The procedure takes about one hour, requires general anesthesia, and involves an overnight stay.