Dr. Judith Koenig began studying shock wave treatment when a particular horse with a broken leg came in for treatment. Koenig was interested in all the work that had been done in humans using shock wave therapy and preceded with her studies using a wound healing model. Here she discusses her work:
http://youtu.be/xo2RKOvyTqY
Koenig has found shock wave treatment beneficial in reducing proud flesh in large wounds, if used immediately after injury occurs. “Although the treatment is expensive,” says Koenig, “savings can be realized in reducing stall rest time and eliminating the cost of treating proud flesh after wound healing.”