A low approach to interscalene brachial plexus block results in more distal spread of sensory-motor coverage compared to the conventional approach

Jung H. Kim, Junping Chen, Henry Bennett, Jonathan B. Lesser, Francesco Resta-Flarer, Anna Barczewska-Hillel, Peter Byrnes, Alan C. Santos

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

A low approach to the interscalene block (LISB) deposits local anesthetic farther caudad on the brachial plexus compared with the conventional interscalene block (ISB). We compared the efficacy of LISB and ISB in achieving anesthesia of the distal extremity in 254 patients having upper extremity surgery. The most frequent elicited motor response was the deltoid for ISB and wrist for LISB. There was significantly greater sensory-motor block of regions below the elbow with the LISB compared with ISB (P < 0.001 for both sensory and motor coverage). Our data indicate that LISB results in a higher incidence of distal elicited motor response and greater sensory-motor blockage of the wrist and hand.

Original languageEnglish
Pages (from-to)987-989
Number of pages3
JournalAnesthesia and Analgesia
Volume112
Issue number4
DOIs
StatePublished - Apr 2011
Externally publishedYes

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