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Epinephrine in digital nerve block

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Report by P P Mohan, Research Fellow, Gastrointestinal Surgery

Checked by P T Cherian, Specialist Registrar, Hepatobiliary Surgery


A short cut review was carried out to establish whether epinephrine (adrenaline) is safe to use in digital nerve blocks. A total of 16 papers were found using the reported search, of which seven represented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results, and study weaknesses of these best papers are presented in table 2. The clinical bottom line is that epinephrine (1:200 000 to 1:100 000) is safe to use in digital blocks.

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Table 2

Three part question

In [adult patients with no underlying vascular compromise undergoing …

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