News tagged with aortic
Study establishes major new treatment target in diseased arteries
May 10, 2009 |
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Removing a single protein prevents early damage in blood vessels from triggering a later-stage, frequently lethal complication of atherosclerosis, according to research published online today in the journal Nature Medicine. By eli ...
Single gene defect can cause stroke, other artery diseases
May 01, 2009 |
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For the first time, scientists have discovered a single gene defect that causes thoracic aortic aneurysms and dissections as well as early onset coronary artery disease, ischemic stroke and Moyamoya disease. ...
Researchers find inflammation critical in aortic dissection
Nov 16, 2009 |
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The aorta, the body's largest artery, stretches from the chest to below the kidneys, expanding and contracting with the pressure of blood driven directly into it by the heart. Although its walls are extraordinarily strong, ...
Study reveals major genetic differences between blood and tissue cells
Jul 15, 2009 |
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(PhysOrg.com) -- Research by a group of Montreal scientists calls into question one of the most basic assumptions of human genetics: that when it comes to DNA, every cell in the body is essentially identical ...
4 out of 106 heart replacement valves from pig hearts failed
Jun 29, 2009 |
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Pig heart valves used to replace defective aortic valves in human patients failed much earlier and more often than expected, says a report from cardiac surgeons at Washington University School of Medicine in St. Louis. This ...
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 ...
Traumatic aortic injury -- New Review
Oct 15, 2008 |
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A blunt traumatic injury to the aorta, the body's main artery, is one of the leading causes of death following a vehicle crash. If it is not treated rapidly, the patient is at serious risk for artery rupture, which is nearly ...
More aortic chest aneurysms being treated with less-invasive stents
Aug 27, 2008 |
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An estimated 60,000 Americans are walking around with time bombs in their chests called thoracic aortic aneurysms. At any time, their main chest artery could suddenly burst open, causing massive internal bleeding ...
Less invasive procedure for repair of abdominal aortic aneurysm may reduce short-term risk of death
Oct 13, 2009 |
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Patients who received the less-invasive endovascular repair of an abdominal aortic aneurysm had a lower risk of death in the first 30 days after the procedure compared to patients who an open repair, but both procedures had ...
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 ...
The Medical Minute: So you have an aneurysm... Now what?
Sep 09, 2009 |
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Technically speaking, an aneurysm is a dilation, or an enlargement, of a blood vessel to at least 50 percent beyond its normal diameter. So if a blood vessel is normally one inch wide, it is considered an aneurysm when it ...
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 ...
Long-term survival from abdominal aortic aneurysm repair improving
Jul 06, 2009 |
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Long-term survival for patients undergoing surgical repair of intact abdominal aortic aneurysms has improved in recent decades, according to a Swedish study reported in Circulation: Journal of the American Heart Association.
Total Laparoscopic Aortic Surgery Is Feasible, Shows Satisfactory Results
Jun 13, 2009 |
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Recently the use of laparoscopy for vascular procedures has been limited by difficulties in aortic exposure and anastomosis techniques, as well as the concurrent competitive progress of endovascular surgery. For aortic repair, ...
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 ...
