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Tag: "metal" at medical news

Comparing heart disease treatments

...e blocked section. Stenting involves introducing a metal device into the artery to keep it opened up. Researchers in Germany assigned a group of 200 patients to either minimally-invasive bypass surgery or to stenting and compared the outcomes. They found that 30 per cent of the stenting group experienced...

Dangers from lead

...lds up in the bones when people are exposed to the metal over a period of time. It can they stay in the bones for at least 15 years. So their prediction is that even if women were exposed when they were teenagers, they would still be at risk well into their 20s and maybe 30s, as well. The may reach the fo...

Abbott Laboratories to buy Biocompatibles' cardiovascular stent business

...vascular business for polymer-coated stents - tiny metal tubes that keep blood vessels open.// Abbott has been the exclusive U.S. distributor of the British company's BiodivYsio coated stents since 1999. The pharmaceutical and medical device manufacturer also will assume worldwide commercial rights for a...

Elevating Manganese Levels hold back HIV

... with yeast have made the unexpected discovery the metal manganese can block the replication of HIV inside ...the research was done in a test tube and adjusting metal ion concentrations in the body could have completely different results. Dieffenbach told UPI the st...

Science of swooning

...n, with an average age of 28, who stretch out in a metal cylinder while a vacuum was applied to it to lower the pressure on their bodies. This assumed the gravitational stress of standing up. Blood flow in their forearms was measured at four different gravitational levels after having a non-alcoholic drink...

Lancing tumours into the body

...on. His latest prototype is even armed with a tiny metal spike that heats up when you apply a second magnet...elieves. The high frequency field used to heat the metal tip doesn’t interfere with steering the device, he adds.Says Edwin Jager at Linkoping University in ...

Magnetic resonance angiography in clinical medicine

...in aneurysm clips, inner ear implants or any other metal implants cannot have in MRA examination. In summary, it is an excellent method of choice to evaluate the thoracic aorta, pulmonary arteires, abdominal aorta and its branches (renal and mesenteric arteries).MRA is also useful in patients for who sur...

Nobel laureates in chemistry

...iscovered that it was possible to use a transition metal to produce a chiral catalyst that could transfer chirality to a non-chiral substrate and get a chiral product. This development has been led by another of this year's Laureates in chemistry, Ryoji Noyori. The Japanese scientist Ryoji Noyori has car...

Coronary stent leads to complications

...ngioplasties involve placement of a stent - a tiny metal device, inside the coronary artery to keep it open. But the very act of placing a stent in the artery irritates the vessel walls and may promote formation of a clot - ironically, the actual problem which the procedure is supposed to prevent.// Till...

Blocked viens block eye sight

...e the needle, a fine wire electrode surronded by a metal sheath is filled in with electrically conductive s...1,000 volts were applied between the electrode and metal sheath, an ultra hot plasma formed at the tip of the electrode producing a rapidly expanding vaporiz...

Radioactive Seeds used in Prostate Cancer treatment can migrate with the body

... lungs. In a procedure called Brachytherapy, tiny metal pellets are implanted in and around the prostate gland. The radiation emitted by these pellets destory cancer cells. But at times these pellets can erode through blood vessels and enter other areas of the body. In more than 35% of the cases, these...

Evidence Links Protein Damage to Neurodegenerative diseases like Parkinson's and Alzheimer's

...mponents much like oxidation causes rust damage to metal in cars and buildings. This damage has been implicated in causing neurodegenerative disorders. Alpha-synuclein itself is a target of oxidative stress, specifically nitration, within these lesions. This is the first time anybody has identified nitrati...

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