Journal
BEST PRACTICE & RESEARCH-CLINICAL ANAESTHESIOLOGY
Volume 37, Issue 2, Pages 209-242Publisher
ELSEVIER
DOI: 10.1016/j.bpa.2023.04.008
Keywords
ultrasound; spine; spinal; epidural; neuraxial; anesthesia; analgesia; lumbar; caudal
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Central neuraxial blocks are essential techniques in anesthesia, especially for obstetric, obese, and respiratory-compromised patients. Traditional anatomical landmark-based approaches have limitations, and ultrasound-guided techniques have emerged as a new option for central neuraxial blocks.
Central neuraxial blocks (CNBs), which include spinal, epidural, and combined spinal epidural injections, are indispensable tech-niques in the anesthesiologist's armamentarium. Indeed, in sce-narios such as when dealing with the obstetric population, patients with obesity, or patients having respiratory compromise (e.g., lung disease or scoliosis), CNBs are the mainstay for anes-thesia and/or analgesia. Traditionally, CNBs are performed using anatomical landmarks, which are simple, easy to master, and exceptionally successful in most cases. Nevertheless, there are notable limitations with this approach, especially in scenarios where CNBs are considered mandatory and vital. Any limitation of an anatomic landmark-based approach is an opportunity for an ultrasound-guided (USG) technique. This has become particularly true for CNBs, where recent advances in ultrasound technology and research data have addressed many of the shortcomings of the traditional anatomic landmark-based approaches. This article re-views the ultrasound imaging of the lumbosacral spine and its application for CNBs. & COPY; 2023 Elsevier Ltd. All rights reserved.
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