A preoperative and postoperative study of the accuracy and value of electrodiagnosis in patients with lumbosacral disc herniation.


Twenty patients with a radicular syndrome, who underwent surgery for unilevel lumbosacral disc herniations verified by computed tomography were investigated with neurophysiologic tests (electromyograms, F-responses, dermatome somatosensory evoked potentials) preoperatively and 1 year postoperatively. At least one test revealed a pathologic abnormality… (More)


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