Inadvertent Intraradial Arterial Injection of Cocaine

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Abstract
Injection of a chemical irritant into the radial artery at the wrist causes acute discoloration of the skin, edema, and pain in the hand. Subsequent damage due to vasospasm, endarteritis, particulate embolization, and vascular thrombosis may result in ischemic contractures, amputations, and other functional hand deficits. Injection of a street cocaine preparation into the radial artery of a 22-year-old man produced a constellation of signs and symptoms similar to that described for other irritants. Current thoughts with regard to the pathophysiology and treatment of these injuries are reviewed.

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