Intraoperative Neurophysiological Monitoring Services

The OHSU Intraoperative Neurophysiological Monitoring service provides surgical teams with support and monitoring for a number of procedures. Below is a list of some of the procedures we monitor. Please contact us if you are interested in finding out more about our services, or would like to discuss services for any of these procedures.

  • Cerebral tumor resection
  • Functional cortical mapping, sensory/motor strop identification
  • Electrocorticography, cortical stimulation with Ojemann stimulator, Somatosensory EPs
  • Brainstem and skull base tumor resection
  • Brainstem function, hearing preservation, cranial nerve
  • Auditory brainstem responses, auditory nerve CAP testing, cranial nerve EMG, Somatosensory EPs
  • Microvascular decompression
  • Cranial nerve function
  • Auditory brainstem responses, auditory nerve cap testing, cranial nerve EMG
  • Aneurysm repair
  • Brainstem, midbrain, and cortical function monitoring
  • Auditory brainstem responses, Somatosensory EPs
  • vestibular nerve section
  • Vestibular nerve identification, hearing preservation, cranial nerve function
  • Auditory brainstem response, bipolar recording of vestibular and acoustic VIII nerve CAP, cranial nerve EMG
  • Spinal cord tumor resection
  • Ascending and descending cervical, thoracic, lumbar and sacral spinal pathways. Nerve root function and pedicle screw placement verification
  • Somatosensory EPs, Transcranial Motor EPs, continuous EMG, pedicle screw electrical stimulation and EMG
  • Dorsal rhizotomy
  • Nerve root identification and evaluation
  • Lower extremity evoked EMG
  • Peripheral nerve exploration and repair
  • Brachial plexus and peripheral nerve integrity and conduction velocity
  • Nerve conduction velocity using hook electrodes, Somatosensory EPs
  • Cardiothoracic surgery, Mediastinoscopy
  • Recurrent laryngeal nerve
  • Recurrent laryngeal nerve EMG

Our team

Anne Tucker, AuD  - Director

Instructor of Otolaryngology / Head & Neck Surgery

For information or service scheduling

Please contact us:

Anne Tucker, AuD
Oregon Hearing Research center
3181 SW Sam Jackson Park Road
Portland, OR 97239