News tagged with valve
Bad valve forces NASA to call off shuttle launch
Space & Earth / Space Exploration
Aug 25, 2009 |
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(AP) -- NASA called off the launch of space shuttle Discovery on Tuesday, the second day in a row the liftoff was scrubbed, this time because of a bad fuel valve.
Innovative spout will increase maple production up to 90 percent
Aug 18, 2009 |
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An innovative new maple spout developed by the University of Vermont's Proctor Maple Research Center with funding from the U.S. Department of Agriculture secured by Senator Patrick J. Leahy, will have a dramatic ...
Scientists test superjet technology in Australia
May 22, 2009 |
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Australian and US scientists have successfully tested hypersonic aircraft technology which could revolutionise international flight, officials said.
Prosthetic vein valve designed to direct blood flow shows promising pre-clinical results
Sep 15, 2008 |
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Engineers at the Georgia Institute of Technology have developed a prosthetic vein valve to help improve the lives of those suffering from a condition known as chronic venous insufficiency. The condition, which ...
Catheter-delivered Valve May Help People with Heart Defects Avoid Multiple Surgeries
Nov 02, 2009 |
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(PhysOrg.com) -- Children born with certain heart defects have impaired blood flow from the right ventricle to the pulmonary artery leading to the lungs, requiring implanted devices (known as right-ventricular ...
Study details safe, effective, minimally invasive mitral valve repair
Sep 28, 2009 |
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Surgical treatment for mitral valve disease includes either repairing the patient's diseased valve or replacing it with a metal, mechanical valve or an animal tissue valve. The majority of those procedures are open-heart ...
Problem cancels moon rocket test firing in Utah
Space & Earth / Space Exploration
Aug 27, 2009 |
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(AP) -- A mechanical failure forced a NASA contractor on Thursday to call off the first test firing of the main part of NASA's powerful new moon rocket.
Diseased heart valve replaced through small chest incision
Feb 10, 2009 |
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When 91-year-old Irvin Lafferty was diagnosed with severe blockage of his heart valve—hardening that is formally known as aortic valve stenosis—open-heart surgery was out of the question. He'd already survived quadruple ...
Study reveals continued damage from banned obesity drug
Medicine & Health / Medications
Nov 06, 2008 |
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Fenfluramine, the appetite suppressant drug banned in the US in 1997 due to fears over its links to heart conditions, has been shown to have serious long-term effects. In a report published today in the open access journal ...
Few complications one year after aortic valve implantation
Sep 21, 2009 |
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Research presented at the 21st annual Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium, sponsored by the Cardiovascular Research Foundation (CRF), demonstrated an "exceptionally low" rate of complications ...
Study examines stroke risk among patients undergoing cardiac surgery
Medicine & Health / Neuroscience
Sep 14, 2009 |
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Among patients undergoing cardiac surgery, post-operative stroke occurred in approximately 2 percent, was not correlated with significant carotid artery narrowing, but was more common among patients who had combined cardiac ...
Half of eligible patients not getting mitral valve surgery, study
Sep 11, 2009 |
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Overblown fears about surgical risk and lack of awareness about the risk of not operating are among the reasons only half of eligible patients were referred for mitral valve repair, according to a study by doctors at the ...
The huge opportunities for transcatheter aortic valve implantation
Aug 31, 2009 |
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"Today, transcatheter aortic valve implantation (TAVI) represents an effective therapeutic alternative to conventional aortic valve replacement for patients who are at high risk or with contraindications to surgery, and the ...
Heart valves implanted without open-heart surgery
Jan 07, 2009 |
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An innovative approach for implanting a new aortic heart valve without open-heart surgery is being offered to patients at NewYork-Presbyterian Hospital/Columbia University Medical Center. Known as the PARTNER (Placement of ...
Adults with aortic valve disorder do not experience reduction in survival rate
Sep 16, 2008 |
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Young adults with a bicuspid aortic valve, a congenital heart abnormality, experience subsequent cardiac events but do not appear to have lower survival rates compared to the general population, according to a study in the ...
