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Watchman®: Plug Up Heart to Prevent Strokes

November 29th, 2006 Josh Umbehr Cardiac Surgery, Cardiology

The prevention of strokes has traditionally been plagued by the tedious task of continuously adjusting anti-coagulation medicines. However, according to the Associated Press, cardiologists at Beaumont Hospital in Royal Oak Michigan are now working with the Watchman® device that promises to mechanically prevent the formation of dangerous emboli, by occluding left atrial appendage, a place where most thrombi form in patients with atrial fibrillation. According to AP, this investigational device by Plymouth, Minnesota based Atritech, Inc. has allowed 97% of patients implanted with Watchman® to be taken off of coumadin, an anti-coagulation drug.
Here’s what the company says about its system:

The left atrial appendage (LAA) has been identified as a major source of thrombi in patients with atrial fibrillation. Ligation of the LAA surgically has been done for many years, while a very invasive technique, limited data appears to demonstrate a benefit in patients at risk of atrial fibrillation related strokes. Recently the development of a transcatheter approach to isolate the LAA has been developed.
The Watchman® left atrial appendage system is made of nitinol (a self expanding metal) with the atrial facing surface covered with a thin permeable polyester material. The device is constrained within a catheter until delivery in the LAA and is available in multiple sizes to accommodate the unique anatomy of each patient.

Read the AP article here . . .
Learn more about the Watchman and watch it in action . . .

Josh Umbehr

Josh Umbehr, MD founded AtlasMD Concierge Family Practice, one of the fastest growing insurance-free practices in the country. Currently developing an industry leading platform for direct primary care physicians: Atlas EMR Software for Concierge Medicine.

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