Word: catheterizes
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Dates: during 1990-1999
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The odds were against little Keone Penn from the start. Born with the most severe form of sickle-cell anemia, a hereditary blood disorder that afflicts more than 70,000 Americans, most of them of African descent, he experienced repeated episodes of racking pain and high fever as brittle, sickle...
There are risks. Recombinant pro-urokinase, like TPA, increases the chances of dangerous bleeding in the brain. And the treatment requires a doctor with great skill at threading a catheter into the brain.
One reason the drug works so well is that doctors inject it into a catheter, which they thread through the arteries of the brain to deliver treatment directly to the site of the clot. So far, the therapy has been tested only on clots in the middle cerebral artery, which...
Catheters that deliver intravenous nutrients and medication to patients can also deliver a serious blood infection. But researchers reported last week that a new device coated with antibiotics--called a Cook Spectrum Catheter--can protect against infection 12 times as well as those that are treated with antiseptics only.
Two reports suggest that new non-invasive techniques can detect blocked arteries before a heart attack occurs. In one study, scientists used an ultrafast C.T. scan and computer technology to view and monitor plaque. In the other, researchers successfully used the scan with an injectable dye to see if arteries...