Many victims of the Boston Marathon bombing were wounded by shrapnel, nails and ball bearings that allowed dust, dirt and gravel to enter their wounds, and proper care is crucial to staving off infection, says Barbara Bates-Jensen, president of the Wound Reach Foundation. Doctors can apply the same techniques used to heal chronic wounds, including intravenous antibiotics, topical growth factors, bioengineered tissue, sound waves and negative pressure therapy.

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