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Wound-care clinics around the country are giving maggots a try on some of their sickest patients after high-tech treatments fail.

It's a therapy quietly championed since the early 1990s by a California physician who's earned the nickname Dr. Maggot. But Dr. Ronald Sherman's maggots are getting more attention since, in January, they became the first live animals to win U.S. Food and Drug Administration approval — as a medical device to clean out wounds.

>A medical device? They remove the dead tissue that impedes healing "mechanically," FDA determined. It's called chewing.

>But maggots do more than that, says Sherman, who raises the tiny, wormlike fly larvae in a laboratory at the University of California, Irvine. His research shows that in the mere two to three days they live in a wound, maggots also produce substances that kill bacteria and stimulate growth of healthy tissue.

>Still, "it takes work to convince people" — including hospital administrators — that "maggots do work very well," said Dr. Robert Kirsner, who directs the University of Miami Cedars Wound Cente

/>"They'll probably be easier to use now that they're FDA-approved, and we'll talk about it more and think about it more," Kirsner said. He estimates he uses maggots in about one in 50 patients where conventional therapy alone isn't enoug

/>This has been quite a year for wormlike critters. In June, FDA also gave its seal of approval to leeches, those bloodsuckers that help plastic surgeons save severed body parts by removing pooled blood and restoring circulation. And in the spring, University of Iowa researchers reported early evidence that drinking whipworm eggs, which causes a temporary, harmless infection, might soothe inflammatory bowel disease by diverting the overactive immune reaction that causes i

/>There's a little more yuck factor with maggots. Most people know of them from TV crime dramas, where infestations of bodies help determine time of deat

/>Actually, maggots' medicinal qualities have long been known. Civil War surgeons noted that soldiers whose wounds harbored maggots seemed to fare better. In the 1930s, a Johns Hopkins University surgeon's research sparked routine maggot therapy, until antibiotics came along a decade late

/>Maggot therapy is offered in around 50 hospitals throughout Britain for various conditions, ranging from burns, to aiding recovery after surgery. The most common uses, however, are for cleaning infected wounds, and for treating pressure sore

/>Today, despite precise surgical techniques to cut out dying tissue, artificial skin and other high-tech treatments, hard-to-heal wounds remain a huge problem. Diabetic foot ulcers alone strike about 600,000 people annually and lead to thousands of amputation

/>It's not unusual to spend two years and $30,000 treating one, says Dr. David G. Armstrong, a Chicago specialist who first tried maggot therapy in frustration about seven years ago and says he's now used it on several hundred patient

/>Drop maggots into the wound and 카지노사이트 cover with a special mesh to keep them in place. Two to three days later, after the maggots have eaten their fill, lift them off and dispos

/>Wound size determines how many maggots, and how many cycles of therapy, are needed. It typically costs a few hundred dollars, says Armstrong, of the Rosalind Franklin University of Medicine and Scienc

/>By Lauran Neergaard
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