Maggot Debridement Therapy (MDT) is the medical use of live maggots (fly larvae) for treating non-healing wounds.
In maggot debridement therapy (also known as maggot therapy, larva therapy, larval therapy, biodebridement or biosurgery), disinfected fly larvae are applied to the wound for 2 or 3 days within special dressings to keep them from migrating. The literature identifies three primary actions of medical grade maggots on wounds:
In maggot debridement therapy (also known as maggot therapy, larva therapy, larval therapy, biodebridement or biosurgery), disinfected fly larvae are applied to the wound for 2 or 3 days within special dressings to keep them from migrating. The literature identifies three primary actions of medical grade maggots on wounds:
- They clean the wounds by dissolving dead and infected tissue ("debridement");
- They disinfect the wound (kill bacteria);
- They speed the rate of healingHistory of Maggot Therapy
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Maggots have been known for centuries to help heal wounds. Military surgeons noted that soldiers whose wounds became infested with maggots had better outcomes than those not infested. William Baer, while at Johns Hopkins University in Baltimore, Maryland, may have been the first in the Northern Hemisphere to have intentionally applied larvae to wounds in order to induce wound healing. During the late 1920's, he identified specific species, raised them in the laboratory, and used their larvae to treat several children with osteomyelitis and soft tissue infections. He presented his findings at a surgical conference in 1929. Two years later, after treating 98 children, his findings were published posthumously.
The first modern clinical studies of maggot therapy were initiated in 1989, at the Veterans Affairs Medical Center in Long Beach, CA, and at the University of California, Irvine, to answer the following questions:
The first modern clinical studies of maggot therapy were initiated in 1989, at the Veterans Affairs Medical Center in Long Beach, CA, and at the University of California, Irvine, to answer the following questions:
- "Is maggot therapy still useful today?"
- "Should maggot therapy be used as an adjunct to other treatments, not merely as a last resort?"
- "How does maggot therapy compare to other treatments at our disposal?"