According to the American Heart Association (AHA), about 10 percent of the more than 6 million Americans living with heart failure have the advanced form of the disease—where conventional heart therapies and symptom management strategies are no longer effective. As the number of patients with this condition increases, so has the use of left ventricular assist devices (LVADs), mechanical pumps that take over the work of the left ventricle (chamber of the heart that pumps blood throughout the body) until a heart transplant can be performed. However, one in five patients using these devices have strokes.
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