Comparison of Ultrasound-Guided Axillary Brachial Plexus Block Techniques: Perineural Injection versus Single or Double Perivascular Infiltration

摘要

PurposeWe compared three methods of ultrasound-guided axillary brachial plexus block, which were single, and double perivascular (PV) infiltration techniques, and a perineural (PN) injection technique.