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Papers of the Week

2020 Apr 21

Reg Anesth Pain Med

Cervical erector spinae plane block: a cadaver study.


Elsharkawy H, İnce İ, Hamadnalla H, Drake RL, Tsui BCH
Reg Anesth Pain Med. 2020 Apr 21.
PMID: 32321860.


Cervical erector spinae plane (ESP) block has been described to anesthetize the brachial plexus (BP), however, the mechanism of its clinical effect remains unknown. As the prevertebral fascia encloses the phrenic nerves, BP and erector spinae muscles to form a prevertebral compartment, a local anesthetic injected in the cervical ESP could potentially spread throughout the prevertebral compartment. This study utilizes cadaveric models to evaluate the spread of ESP injections at the C6 and C7 levels to determine whether the injection can reach the BP and its surrounding structures.