Journal article

Comparison of clonidine and epinephrine in lidocaine for cervical plexus block.

RR Molnar, MJ Davies, DA Scott, BS Silbert, PH Mooney

Reg Anesth | Published : 1997

Abstract

BACKGROUND AND OBJECTIVES: Carotid endarterectomy under cervical plexus block offers the advantage of awake neurologic assessment. The hypothesis was tested that the addition of clonidine 5 micrograms/mL to lidocaine 1.5% for the block is as effective clinically as the addition of epinephrine 5 micrograms/mL but without the associated tachycardia. METHODS: In a double-blind, randomized, prospective trial of 40 patients, local anesthetic solutions of lidocaine 1.5% containing either clonidine 5 micrograms/mL or epinephrine 5 micrograms/mL were compared for cervical plexus block in patients undergoing carotid endarterectomy. Each solution was administered to 20 patients with a total lidocaine ..

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University of Melbourne Researchers