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Department of Anesthesiology, School of Medicine, University of Alabama at Birmingham, AL.
We describe 2 instances where sciatic nerve block prevented pain in the sciatic nerve distribution caused by the nerve-root tension test in patients with radiculopathy. We hypothesize that antitoxic activation of nociceptors from the injured root is a mechanism underlying sciatica.
Address correspondence and reprint request to Dr. Kissin, Department of Anesthesiology, University of Alabama at Birmingham, University Station, Birmingham, AL 35294.
Received August 24. 1988. Accepted for publication in final form October 31, 1988.
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