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DALLAS and WASHINGTON, Dec. 17, 2020 -- Options to treat heart valve disease are expanding, allowing patients to avoid surgery when possible, according to a new joint clinical practice guideline from the American College of Cardiology and the American Heart Association. The new "2020 ACC/AHA Guideline for the Management of Patients With Valvular Heart Disease" published today in the AHA's flagship journal
Circulation and in the
Journal of the American College of Cardiology.
About half of all people ages 65 and older have some form of valvular heart disease. If left undiagnosed or untreated in a timely fashion, valvular heart disease can become more severe and can ultimately lead to heart failure and death. Valvular heart disease can affect one or more heart valves - the structures responsible for regulating blood flow to and from the heart. The heart has four chambers for circulating blood into the heart and out to the lungs and the body, and each chamber is separated by a valve. The four valves of the heart - mitral, tricuspid, aortic and pulmonic - all have leaflets, or cusps, that work together to open and close to regulate blood flow. In a healthy heart, the valves and cusps are properly formed and flexible, and they open and close completely for blood to flow through the heart, while also preventing blood from flowing backward into the chambers.
MinnesotaUnited-statesMayo-clinic-in-rochesterUniversity-of-washingtonWashingtonDallasTexasSeattleAmericansAmericanCatherine-ottoHani-jneida museum in munich germany. the focus is on food of the future. in vitro tissue is widely used in medicine scientists have cultured skin elopes and even heart valves in so-called bio reactors. so why not go a step further. and grow steak n schnitzel to it's actually pretty simple you extract a muscle stem cell from a living animal it's then cultured in a nutrient rich solution where it multiplies. the stem cells develop into muscle cells. which grow together to form muscle fibers. the process takes a few weeks 20000 of them make up one burger. dutch pharmacologist
TissueFoodGermanyMedicine-scientistsFocusMuseumSkinSteakHeart-valvesStepBio-reactorsAnimaltheir column. here's the key, we're using poly ethylene products practically in everything we touch in the world, whether it's car parts or high-end health care products like heart valves. this is what's going to be produced at this plant. does the world need to address this issue of plastics getting into the ocean? absolutely and i've heard the president talk about that at our environmental conference we had about a month ago. the president is focussed on some of the challenges the world has but the idea that we're not going to use plastics, i mean, we use these products in our wind turbines. we use them in our solar panels. you can't have it both ways and the democrats are trying to. >> sandra: mr. secretary, we're out of time we appreciate you coming on and hope you come back soon to dig into that more. >> certainly. >> sandra: thank you. >> bill: another alert here chaos in the heart of a major
Health-careWorldEverythingProductsCar-partsKeyHeart-valvesColumnPolyethylenePresidentPlantIssuewe can now simulate the exact anatomyh care, of a patient's brain before surgery. if we can do that, imagine what we can do for seizures. and if we can fix damaged heart valves without open heart surgery, imagine what we can do for an irregular heartbeat, even high blood pressure. if we can use analyze each patient's breast cancer to personalize their treatment, imagine what we can do for the conditions that affect us all. imagine what we can do for you. the breaking news. the response from north korea after the president called off his planned summit with kim jong-un. today the president said the united states is ready if north korea does anything, quote, foolish and reckless.
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