A Prospective, Randomized Comparison Between Double-, Triple-, and Quadruple-Injection Ultrasound-Guided Axillary Brachial Plexus Block

Regional Anesthesia and Pain Medicine, 05/10/2012

Double–, triple–, and quadruple–injection ultrasound (US)–guided perivascular axillary brachial plexus block (AXB) result in comparable success rates and total anesthesia–related times. Because it requires fewer needle passes, the double–injection technique provides a simple alternative for US–guided AXB.

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