New study says people take mental stress to heart
... certain portions will contract less vigorously or bulge out. Mental stress increases oxygen demand because blood pressure and heart rate are elevated, he says. Vascular resistance and coronary artery constriction during mental stress also decrease the blood supply.Psychological factors such as anger or d...Endografts help prevent deaths from abdominal aortic aneurysms
...l wall on both ends of the aneurysm, bypassing the bulge from the inside. "With endovascular repair, we're able to avoid some of the stresses of conventional surgery, such as clamping the aorta," Dr. Williams said. "Because patients experience less anesthesia and less blood loss, they are able to recover a...Uninsured face higher death risk from aorta problems
...nearly 16,000 people each year. Starting as a tiny bulge in the wall of the body's largest blood vessel an AAA can stay intact or grow slowly for years, often without symptoms, before suddenly bursting open unpredictably. Or, a tear within the multi-layered wall of the aorta, called an aortic dissection, c...UCSF vascular surgeons develop new technique to repair aortic arch aneurysm
...primary blood vessels leading away from the heart, bulge out like a filling water balloon. Eventually it bursts, usually causing a fatal bleeding episode. Using a wire-thin catheter, the UCSF team inserted a specially designed graft through the right carotid artery on the side of the neck. The graft, a fa...Aortic aneurysm death risk hinges on choice of surgeon, study finds
...t for general surgeons. Aneurysms start as a tiny bulge in the wall of the body's largest blood vessel. They can stay intact or grow slowly for years, often without symptoms, before suddenly bursting open unpredictably. Or, a tear within the multi-layered wall of the aorta, called an aortic dissection, ca...MRI shows back trouble may begin before puberty
...ay also occur, allowing the gel-filled interior to bulge and extend into the spinal canal, occasionally irritating the nerve root. The 14 degenerated discs found by Dr. Smith and colleagues showed signs of early bulging or tearing. All were located in the lower, or lumbar, region of the spine. None of ...The physics of films, butterflies, banknotes and rainbows
...Incredible Hulk bends his arm, his muscles need to bulge in just the right place and his skin needs to stretch in a realistic fashion. The only way to create such true-to-life two-dimensional images of supposedly three-dimensional scenes is to trace the path of light using the laws of physics. Jrgen Singer...Guideline: Heart condition does not increase risk of second stroke
... an increased risk of a second stroke. An ASA is a bulge in the wall between the atria. It occurs in an estimated five percent of people. Up to 70 percent of people with an ASA also have a PFO. The guideline, which was developed by analyzing all of the scientific research on the topic, also examined the us...Open surgery better for most hernias
...born weakness or excessive strain. The result is a bulge that is usually painless in its early stages, but that could cause pain and complications later on. Men are tenfold more likely than women to have the condition. With either open or laparoscopic surgery, doctors nowadays use a plastic "tension-free"...Wartime spitfire strain test monitors stress on key heart artery - aortic aneurysm
...aortic aneurysm. An aortic aneurysm is a dangerous bulge in the body's largest artery the aorta. The aorta is a crucial artery as it carries all the blood pumped from the heart. Photoelasticity is a technique that has been used for decades in industry. It looks at the patterns of coloured light reflected f...