• Anesthesia and analgesia · Mar 2006

    Case Reports

    Cerebral ischemia as an apparent complication of anterior cervical discectomy in a patient with an incomplete circle of Willis.

    • John C Drummond, Raymond N Englander, and Catherine J Gallo.
    • Department of Anesthesiology, The University of California, San Diego; VA Medical Center, San Diego, CA 92161, USA. jdrummond@ucsd.edu
    • Anesth. Analg. 2006 Mar 1;102(3):896-9.

    AbstractA 58-yr-old patient sustained a cerebral ischemic injury in the distribution of the carotid artery ipsilateral to retraction during an anterior cervical discectomy. Relative hypotension was permitted during the anesthetic. Angiography revealed an anatomic variant of the circle of Willis that resulted in minimal collateralizaton of the left internal carotid artery territory. The combination of that vascular variant with relative hypotension and some degree of carotid compression appears to have resulted in clinically significant cerebral ischemia.

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