Infraclavicular and supraclavicular approaches to brachial plexus for ambulatory elbow surgery: A randomized controlled observer-blinded trial

Journal of Clinical Anesthesia
Shalini DhirDouglas Ross

Abstract

To compare the effectiveness of supraclavicular and infraclavicular approaches to brachial plexus block for elbow surgery. Prospective, parallel arm, observer-blinded, randomized controlled trial. This study occurred in a designated block room at St. Joseph's hospital, a large academic tertiary hospital in London, Canada. 150 adult ASA class I-III patients undergoing elective ambulatory elbow surgery. Patients were randomized to receive either an ultrasound-guided infraclavicular or a supraclavicular block with ropivacaine. Both groups were assessed for performance and sensory block onset times. Motor block, effective surgical anesthesia, procedure-related pain, axillary nerve block and ulnar nerve sparing were additional outcomes. We analyzed continuous and non-continuous variables with the independent t-test and chi-square test respectively and considered statistical significance when type 1 error was under 0.05. We observed similar mean block procedure times at 285 (±128) seconds in infra and 307 (±138) seconds in supra group (p = 0.3). The mean time of sensory block onset in both groups was similar: Infra 20.4 (±7.9) and supra 18.9 (±7.1) min (p = 0.4). Conversion to general anesthesia (4.2 vs 5.5%; p = 0.73) and the need f...Continue Reading

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Citations

Jul 3, 2019·Foot & Ankle International·Alexander D Cohen
Jan 24, 2021·Revista española de anestesiología y reanimación·F D Casas-ArroyaveA F Ocampo-Agudelo
Jul 24, 2021·Revista Española De Anestesiología Y Reanimación·F D Casas-ArroyaveA F Ocampo-Agudelo
Aug 22, 2018·Journal of Clinical Anesthesia·Alexander CohenJessica Black

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