Mechanism of pain caused by the nerve-root tension test in patients with sciatica.
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 antidromic activation of nociceptors from the injured root is a mechanism underlying sciatica.
Xavier
A V
AV
Department of Anesthesiology, School of Medicine, University of Alabama, Birmingham 35294.
McDanal
J
J
Kissin
I
I
D000328:Adult; D006801:Humans; D008297:Male; D009460:Neurologic Examination; D010146:Pain / Q000209:etiology / Q000503:physiopathology*; D012584:Sciatic Nerve / Q000503:physiopathology*; D012585:Sciatica / Q000503:physiopathology*; D013126:Spinal Nerve Roots / Q000503:physiopathology*