News tagged with heart valves
Tool-wielding robots crawl in bodies for surgery
Imagine a tiny snake robot crawling through your body, helping a surgeon identify diseases and perform operations.
May 29, 2012 |
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Scientists solve a mystery of bacterial growth and resistance
Scientists at The Scripps Research Institute have unraveled a complex chemical pathway that enables bacteria to form clusters called biofilms. Such improved understanding might eventually aid the development ...
Apr 26, 2012 |
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Newly identified oral bacterium linked to heart disease and meningitis
A novel bacterium, thought to be a common inhabitant of the oral cavity, has the potential to cause serious disease if it enters the bloodstream, according to a study in the International Journal of Systematic an ...
Feb 21, 2012 |
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Da Vinci surgical robot makes a tiny paper airplane
(PhysOrg.com) -- The da Vinci surgical robot may be best known for performing prostate, gynecological, and heart valve surgeries. But in its spare moments, as Dr. James Porter of the Swedish Medical Center ...
Apr 05, 2011 |
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Transcatheter aortic valve implantation as good as traditional surgery for high risk, operable patients
Just released data from a clinical trial shows continued promise for a new minimally invasive treatment option for patients with severe aortic stenosis. New research presented at the 2011 American College ...
Apr 05, 2011 |
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'Cow valve' heart implant hailed as breakthrough
A new type of heart valve made with cow tissue and inserted by catheter was hailed on Sunday as a major breakthrough that could eliminate the need for open heart surgery in some patients, US doctors said Sunday.
Apr 03, 2011 |
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Inflammation behind heart valve disease
Research from Karolinska Institutet in Sweden shows, that a specific inflammatory factor may be important in the development of the heart valve disease aortic stenosis. The results suggest that anti-inflammatory medication ...
Medicine & Health / Medical research
Mar 15, 2011 |
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Procedure replaces heart valve, avoids open-heart surgery
Veronica Smith, 26, is the first person in Arizona to receive a new pulmonary valve without having open-heart surgery. The procedure was performed in the University Medical Center Cardiac Catheterization Laboratory.
Mar 11, 2011 |
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Women get short shrift in many heart device studies, despite requirement
Despite a long-standing requirement for medical device makers to include women in studies they submit to the Food and Drug Administration for device approval, only a few include enough women or analyze how the devices work ...
Mar 01, 2011 |
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Diseased heart valve replaced through small hole in the leg
Physicians at the Methodist DeBakey Heart & Vascular Center in Houston implanted a new investigational heart valve in a patient through a small puncture hole in the leg.
Feb 21, 2011 |
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Acne bug could be the cause of your infections
A bacterium which causes acne and is commonly found on the skin, is now known to cause infections all over the body. Propionibacterium acnes (P. acnes) has been associated with infections of artificial joints and heart valves ...
Medicine & Health / Diseases, Conditions, Syndromes
Jan 12, 2011 |
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First in US aortic valve prosthesis implant to treat severe aortic stenosis
David H. Adams, MD, Marie-Josée and Henry R. Kravis Professor and Chairman of the Department of Cardiothoracic Surgery, Samin K. Sharma, MD, the Zena and Michael A. Weiner Professor and Director of the Cardiac Catheterization ...
Dec 21, 2010 |
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UK ill prepared for 'epidemic' of degenerative valvular heart disease
The UK is poorly prepared for the forthcoming epidemic of degenerative valvular heart disease, prompted by a rapidly ageing population, say leading experts in the journal Heart.
Dec 14, 2010 |
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New aortic valve without open heart surgery
Siemens Healthcare developed a new, smart visualization and guidance technology, which facilitates implantation of an aortic replacement valve by means of a catheter. The technology spares patients the trauma ...
Dec 06, 2010 |
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Researchers identify rising incidence of valvular heart diseases in New York state
The incidence of hospitalization and treatment for heart valve diseases in New York State has constantly and progressively risen since the early 1980s, according to research presented at the recent meeting of the American ...
Medicine & Health / Diseases, Conditions, Syndromes
Dec 02, 2010 |
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Heart valve
In anatomy, the heart valves maintain the unidirectional flow of blood in the heart by opening and closing depending on the difference in pressure on each side. They are mechanically similar to reed valves.
There are four valves in the heart (not counting the valve of the coronary sinus, and the valve of the inferior vena cava):
For more information about Heart valve, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
