• Anesthesia and analgesia · Jan 2016

    Distribution of Injectate and Sensory-Motor Blockade After Adductor Canal Block.

    • Philippe E Gautier, Admir Hadzic, Jean-Pierre Lecoq, Jean Francois Brichant, Maxine M Kuroda, and Catherine Vandepitte.
    • From the *Department of Anesthesiology, Clinique Ste Anne-St Remi, Brussels, Belgium; †Ziekenhuis, Oost-Limburg, Genk, Belgium; ‡Department of Anesthesia and Intensive Care Medecine, Liege University Hospital, Liege, Belgium; and §North American Institute for Continuing Education (NAICE), New York, New York.
    • Anesth. Analg. 2016 Jan 1;122(1):279-82.

    BackgroundThe analgesic efficacy reported for the adductor canal block may be related to the spread of local anesthetic outside the adductor canal.MethodsFifteen patients undergoing knee surgery received ultrasound-guided injections of local anesthetic at the level of the adductor hiatus. Sensory-motor block and spread of contrast solution were assessed.ResultsSensation was rated as "markedly diminished" or "absent" in the saphenous nerve distribution and "slightly diminished" in the sciatic nerve territory without motor deficits. Contrast solution was found in the popliteal fossa.ConclusionsThe spread of injectate to the popliteal fossa may contribute to the analgesic efficacy of adductor canal block.

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