Finger Injection with High-Dose (1:1,000) Epinephrine: Does it Cause Finger Necrosis and Should it be Treated?

ObjectivesAccidental finger injections with high-dose (1:1,000) epinephrine is a new and increasing phenomenon. The purpose of this study is to document the incidence of finger necrosis and the treatment for this type of injury. The necessity or type of treatment required for this type of injury has not been established.MethodsThe literature was reviewed from 1900 to 2005 by hand and by Internet to document all cases of high-dose (1:1,000) finger epinephrine injection. In addition, the authors added five additional cases.ResultsThere are a total of 59 reported cases of finger injections with high-dose epinephrine, of which, 32 cases were untreated. There were no instances of necrosis or skin loss, but neuropraxia lasting as long as 10 weeks and reperfusion pain were carefully documented. Treatment was not uniform for those who received it, but phentolamine was the most commonly used agent.ConclusionsThere is not one case of finger necrosis in all of the 59 reported cases of finger injections with 1:1,000 epinephrine in the world literature. The necessity or type of treatment of high-dose epinephrine injection injuries remains conjecture, but phentolamine is the most commonly used agent in the reported cases, and the rationale and evidence for its use are discussed

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