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General interest items edited by Janice Flahiff

Fast Tests Are Latest Weapons Against Infections

A new lab test could quickly detect methicillin-resistant Staphylococcus aureus, or MRSA, bacteria like these in the blood.

Janice Carr/CDC  A new lab test could quickly detect methicillin-resistantStaphylococcus aureus, or MRSA, bacteria like these in the blood.

From the 29 June 2012 article at National Public Radio (NPR)

Show up at the emergency room or your doctor’s office with symptoms of a serious infection, and there’s a good chance you’ll get an antibiotic. You might even get a few.

But antibiotics don’t work on viruses. And a particular antibiotic may be suited for one kind of germ, but not another.

The problem for your doctor — and you — is that it can take days to grow enough of the germs afflicting you to identify them conclusively using traditional tests. And if you’re really sick, the doctor may try a bunch of antibiotics right away, just to be sure one of them starts getting you back on the road to health….

Faster, more specific tests would help. And the Food and Drug Administration has recently approved some. This week, while you might have been distracted by the Supreme Court, the agency cleared a test for a dozen bacteria that cause infections in the blood.

“Bloodstream infections are always treated with antimicrobial drugs, and it is essential to identify which antimicrobial drug is appropriate for a specific patient as quickly as possible,” FDA’s Alberto Gutierrez said in a statement. “This new test is an important tool that will help physicians treat patients quickly with the correct antibiotics.”

The test, made by Nanosphere, works in a few hours instead of days. It fingerprints the germs’ DNA and can even detect when the bugs carry genes that render them resistant to some antibiotics. The test costs less than $100….

July 1, 2012 Posted by | health care | , , , , , , , | Leave a comment

   

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