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Wednesday, April 1, 2015


First in Midwest to use newly approved Watchman left atrial appendage closure device
Cardiologists at Beaumont Hospital, Royal Oak have performed the Midwest’s first commercial implant of a device recently approved by the Food and Drug Administration for patients with non-valvular atrial fibrillation. The Watchman Left Atrial Appendage Closure implant is an alternative to long-term use of blood-thinning warfarin medication to reduce the risk of stroke.

    (from left to right) Cardiology fellow Frances Wood, 
   M.D.; Steven Almany, M.D., and George Hanzel, M.D.
Atrial fibrillation is the most common heart rhythm disorder affecting more than 5 million Americans. Twenty percent of all strokes occur in patients with AF. The most common treatment to reduce their stroke risk is blood-thinning warfarin medication. Warfarin is not well tolerated by some patients and has a significant risk for bleeding complications. As a result, nearly half of those eligible for warfarin therapy are currently untreated.

“The Watchman device is an excellent alternative to warfarin for patients who are not optimal candidate for oral anticoagulation. By closing the left atrial appendage, the device has been demonstrated to significantly reduce the risk of death and stroke, compared with warfarin therapy,” says George Hanzel, M.D., director of the Structural Heart program at Beaumont Hospital, Royal Oak.

Beaumont cardiologists have extensive experience with the device and were involved in initial national clinical trials testing it in 2005 that led to its FDA approval. The recently published results of these trials showed a 60 percent reduction in cardiovascular mortality and a 34 percent reduction in all-cause mortality in patients treated with the device.
”This advanced technology will be truly life-changing for many atrial fibrillation patients, freeing them from the dangers of stroke risk, and the daily challenges of long-term, blood-thinning medications,” says Steven Almany, M.D., principal investigator of the Watchman trial at Beaumont.

The Watchman 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, a blind pouch of heart tissue where blood clots can form and then break off and travel in the blood stream to the brain and cause strokes. The device is inserted into the heart through a catheter placed into a vein in the leg during a one-time, minimally invasive procedure in a cardiac catheterization lab.

The first commercial implant of the device at Beaumont was performed on March 25. The patient is a 68-year-old woman from River Rouge.

Developed by Boston Scientific, the Watchman implant has been approved in Europe since 2005. It has been implanted in more than 10,000 patients and is approved in more than 70 countries around the world.

About Beaumont Heart & Vascular

Beaumont, Royal Oak is recognized among “America’s Best Hospitals” and as Michigan’s top-ranked hospital for cardiology and heart surgery by U.S. News & World Report for 2014-15. The Beaumont Heart and Vascular Center is a comprehensive, state-of-the-art facility that’s dedicated to the prevention, diagnosis and treatment of heart problems.Beaumont’s Ernst Cardiovascular Center offers a collaborative approach to treating and managing the most complex heart and vascular conditions, including  atrial fibrillation, heart valve disease, heart failure, aortic aneurysm and dissection. The center also offers low-cost, preventive heart screening for adults and high school students. Beaumont’s Ministrelli Women’s Heart Center is the first in Michigan devoted exclusively to the prevention, diagnosis, and research of heart disease in women. Find out more at

Beaumont Health System

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