Intraoperative neuromonitoring (IONM) allows for a perioperative evaluation of the functional integrity of the spinal cord and nerve roots during intradural neurosurgery. This review examines established techniques as somatosensory evoked potentials and motor evoked potentials, as well as electromyography which all provide real-time feedback for the surgical team. IONM represents a valuable tool which can identify emerging neurological complications, and thus can be utilised to reduce the incidence of postoperative neurological deficits by timely interventions.
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