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May 2020

Cow Hearts: Beefy Benefits for Humans

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According to the CDC, heart disease is the leading cause of death in the U.S., killing more than 600,000 Americans each year. More than five million Americans are diagnosed with heart valve disease annually. Heart valve disease can occur in any single valve or a combination of the four valves, but diseases of the aortic and mitral valves are the most common. Calcific aortic stenosis is the most common form of aortic stenosis (AS). While up to 1.5 million people in the U.S. suffer from AS, approximately 500,000 within this group of patients suffer from severe AS. An estimated 250,000 patients with severe AS are symptomatic. Without an aortic valve replacement (AVR), as many as 50 percent of patients with severe AS will not survive more than two years after the onset of symptoms. Aortic valve stenosis — or aortic stenosis — occurs when the heart’s aortic valve narrows. This narrowing prevents the valve from opening fully, which…

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