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Many anaesthetics effect the latency and amplitude of somatosensory evoked potentials (SSEP). We present a patient who underwent two anterior/posterior spine fusions (A/PSF) at age 11 and 12 years old after resection of a spinal astrocytoma. She did have residual neurologic deficits of her lower extremities. SSEPs were unobtainable during the first surgery using an opioid-based anaesthetic. A ketamine-based anaesthetic was used for the second surgery and SSEPs were easily monitored. No other factors seem to have changed between the two surgeries. The anaesthetic management during each procedure is reviewed and the contributions of other factors to SSEP monitoring discussed.
R Agarwal, and
K J Roitman, and
M Stokes
June 1988,
Anesthesia and analgesia,
R Agarwal, and
K J Roitman, and
M Stokes
June 1983,
Anesthesiology,
R Agarwal, and
K J Roitman, and
M Stokes
March 1987,
Annals of neurology,
R Agarwal, and
K J Roitman, and
M Stokes
November 1988,
Neurologia medico-chirurgica,
R Agarwal, and
K J Roitman, and
M Stokes
November 1991,
Journal of the Formosan Medical Association = Taiwan yi zhi,
R Agarwal, and
K J Roitman, and
M Stokes
December 1981,
Neurology,
R Agarwal, and
K J Roitman, and
M Stokes
January 2005,
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia,
R Agarwal, and
K J Roitman, and
M Stokes
January 1982,
Archives of orthopaedic and traumatic surgery. Archiv fur orthopadische und Unfall-Chirurgie,
R Agarwal, and
K J Roitman, and
M Stokes
November 1988,
Journal of the Mississippi State Medical Association,
R Agarwal, and
K J Roitman, and
M Stokes
November 1992,
Neurosurgery,
