Electrocorticographic Monitoring of Brain Retraction Injury (EMBRI)
Electrocorticography As a Neurophysiological Marker for Intraoperative Monitoring for Brain Retraction: an IDEAL Stage 1 Study
University College, London
6 participants
Aug 1, 2022
INTERVENTIONAL
Conditions
Summary
A single centre IDEAL Stage 1 feasibility study using novel electrophysiological recording techniques in adult participants undergoing neurosurgery. This is a first in human study, building upon previous preclinical mice experiments. Participants will undergo their planned neurosurgical procedure as normal. In addition to their standard treatment neurophysiological monitoring including an electrocorticography electrode placed on the brain deep to the retractor will be used to monitor for signs of brain retraction injury.
Eligibility
Inclusion Criteria1
- Patients aged 16 or older undergoing intracranial surgery where it is anticipated fixed brain retraction will be used.
Exclusion Criteria1
- Patients without capacity to give consent at time of recruitment
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Interventions
The patient will undergo their intracranial neurosurgical procedure as planned, using conventional brain retractors and neurosurgical equipment. Standard neuromonitoring (EEG, MEP, SSEP) will be placed after the induction of neuroanaesthesia if indicated. Additional to whatever conventional EMBRI neuromonitoring is used, intraoperatively an ECoG array will be positioned under the retractor by the operating surgeon. Further electrode arrays may be placed on the cortical surface remote from the retractor as needed to establish a reference. Typically we anticipate one ECoG array under the retractor blade with a reference array on an area of unretracted brain.
Locations(1)
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NCT06409806