Titlebook: Intraoperative Neurophysiologic Monitoring in Neurosurgery; Johannes Schramm,Aage R. M?ller (Professor of Neur Conference proceedings 1991

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Motor Evoked Potential Monitoring in Operations of the Brainstem and Posterior Fossa There were no false-negative findings. Recordings from the cauda equina were slightly superior to those obtained at the other recording sites. Postoperative deterioration of MEP was observed in 3 patients and coincided in all cases with a permanent reduction in MEP amplitudes of 70 to 90% relative

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Monitoring of Spine Surgery with Evoked Potentialsinal electrodes and to carefully inspect that site for the presence of hematomas or for other potentially reversible causes of spinal cord injury. Unfortunately, when the loss of SSEP is abrupt and nonreversible, postoperative paraplegia is likely to occur. When improvement in the SSEP occurs intrao

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Somatosensory Evoked Potential and Brainstem Auditory Evoked Potential Monitoring in Cerebral Aneuryersible loss of the cortical late waves were the only parameters predictive of postoperative deterioration in function. In addition, the patients whose neurological status deteriorated postoperatively had preoperative CCT equal to or longer than 7.5 ms and depression of the cortical late waves over

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Value of Stable and Changing Somatosensory Evoked Potentials (SSEP) During Aneurysm Surgery loss of potentials with occlusion of blood vessels is variable: in this study, 58 patients had vessel occlusions and in 19 of these evoked potentials changed. Other events associated with an evoked potential change were retraction of the cerebellum and splitting of the Sylvian fissure..In an intere

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Experiences with Intraoperative Temporary Vessel Occlusions and Monitoring in Aneurysm Surgeryften left to draw predictions as to the safety of a surgical manoeuvre from key cases. This paper discusses these problems and illustrates the significance of individual intraoperative experiences of temporary vascular occlusion.

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Somatosensory Evoked Potential Monitoring in Temporary Vascular Occlusion for Aneurysm Surgery undernts undergoing emergency surgery, those with a neurological deficit — either a transient deficit occuring at the time of subarachnoid haemorrhage or a persistant preoperative deficit — and those subjected to repeated vascular occlusion appeared to be prone to loss of SSEP during occlusion. The fact

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Intraoperative Monitoring of Corticospinal Motor Evoked Potentials in Neurosurgical Operations