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Median nerve somatosensory evoked potentials were recorded in 28 comatose patients, eight of whom were progressing from coma to eventual brain death and in 11 brain dead patients using electrodes over the scalp, neck and nasopharynx (nasopharyngeal electrode). This recording technique was used to assess the different derivation of brainstem P14 wave(More)
Electrophysiological tests have proved to be a valuable method in assessing multiple sclerosis (MS) patients. In the last few years, scalp recorded short latency somatosensory evoked potentials to stimulation of nerves in the "lower extremity" have been more and more extensively employed. Some studies have aimed at comparing the sensitivity of MR imaging(More)
OBJECTIVES To compare retrospectively the clinical and radiographic outcomes between cervical reconstruction with expandable cylindrical cage (ECC) and iliac crest autograft after one- or two-level anterior cervical corpectomy for spondylotic myelopathy. PATIENTS AND METHODS Forty-two patients underwent cervical reconstruction with either iliac crest(More)
The Authors point out that during anaesthesia with propofol, latencies of early cortical waves after SEP of the posterior tibial nerve do not suffer significant variations: this may turn out to be useful during intraoperative monitoring when having to watch the integrity of nervous structures of spinal cords undergoing handling or possible indirect damage.
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