• Reg Anesth Pain Med · Sep 2021

    Anatomical considerations for obturator nerve block with fascia iliaca compartment block.

    • Thomas Fichtner Bendtsen, Erik Morre Pedersen, Bernhard Moriggl, Peter Hebbard, Jason Ivanusic, Jens Børglum, Thomas Dahl Nielsen, and Philip Peng.
    • Department of Anesthesiology, Aarhus University Hospital, Aarhus, Denmark tfb@dadlnet.dk.
    • Reg Anesth Pain Med. 2021 Sep 1; 46 (9): 806-812.

    AbstractThis report reviews the topographical and functional anatomy relevant for assessing whether or not the obturator nerve (ON) can be anesthetized using a fascia iliaca compartment (FIC) block. The ON does not cross the FIC. This means that the ON would only be blocked by an FIC block if the injectate spreads to the ON outside of the FIC. Such a phenomena would require the creation of one or more artificial passageways to the ON in the retro-psoas compartment or the retroperitoneal compartment by disrupting the normal anatomical integrity of the FI. Due to this requirement for an artificial pathway, an FIC block probably does not block the ON.© American Society of Regional Anesthesia & Pain Medicine 2021. No commercial re-use. See rights and permissions. Published by BMJ.

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