• Alexander Papangelou, Batya R Radzik, Timothy Smith, and Allan Gottschalk.
• Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, MD 21287, USA. apapang1@jhmi.edu
• J Clin Anesth. 2013 Mar 1;25(2):150-9.

AbstractNeural blockade of the scalp may be used as an adjunct to general anesthesia or serve as the principal anesthetic for both intracranial and extracranial procedures. Effective scalp blockade typically requires anesthetizing multiple peripheral nerves; blockade of one or more of these is often used to diagnose and treat conditions such as chronic headache. Improved anatomic knowledge has refined the use of scalp blockade so that directed neural blockade is achieved. The vascularity of the scalp, proximity of arteries supplying the cerebral circulation, use of large volumes of local anesthetic, and presence of intracranial devices or bony defects require attention. The impact of perioperative scalp blockade on acute and chronic pain may offer insight into the benefits of perioperative neural blockade generally.Copyright © 2013 Elsevier Inc. All rights reserved.

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