Somatosensory evoked potentials after sequential extremity stimulation: a new method for improved monitoring accuracy.
A new method for improving the accuracy of somatosensory evoked potential (SEP) monitoring is described. Two extremities are stimulated at 5 Hz, with an interextremity stimulus interval of 100 ms. Information from a "control" extremity, such as an arm during scoliosis operation, may allow more rapid and accurate interpretation of changes in SEPs during intraoperative monitoring.
Department of Neurological Surgery, University of Florida College of Medicine, Gainesville.
W A
WA
Friedman
M T
MT
Curran
D003201:Computers; D004558:Electric Stimulation; D004569:Electroencephalography / Q000295:instrumentation*; D005073:Evoked Potentials, Somatosensory; D005121:Extremities / Q000294:innervation*; D006801:Humans; D007431:Intraoperative Complications / Q000503:physiopathology*; D008838:Microcomputers; D010525:Peripheral Nerves / Q000503:physiopathology*; D011930:Reaction Time / Q000502:physiology; D012815:Signal Processing, Computer-Assisted