Services we provide 

IONM can potentially be employed in any procedure that involves a neural structure. If you have interest in neuromonitoring for a specific procedure, contact one of our specialists for more information on what types of cases can be covered. 

Synapse Neuromonitoring provides intraoperative neuromonitoring primarily in the states of Indiana, Kentucky, and Ohio. Synapse has a long history of being the top outsourcing provider of intraoperative neuromonitoring in both the Indianapolis, IN and Lexington, KY markets, but is growing rapidly into new areas. To see if service would be possible in your area, contact us and one of our specialists will reach out to you as soon as possible. 


  • Transcranial Electrical Motor Evoked Potentials (TCeMEP)

  • Somatosensory Evoked Potentials (SSEP)

  • Auditory Brainstem Evoked Potentials (ABR)(BAER)

  • Electroencephalography (EEG) (CSA) (DSA)

  • Stimulus Evoked Electromyography for pedicle screw/direct nerve root stimulation and Spontaneous Electromyography (EMG)

  • Upper and Lower cranial nerve root Electromyography (EMG)

  • Cortical Mapping

  • Descending Neurogenic Evoked Potentials (sensory-DNEP)

  • Peripheral Nerve

Modalities Available:


  • Anterior Cervical Discectomy/Fusion

  • Anterior Corpectomy

  • Anterior Vertebrectomy

  • Cervical Laminectomy

  • Thoracic Laminectomy

  • Lumbosacral Nerve Root Decompression

  • Instrumentation for Spinal Instability

  • Odontoid Fracture Stabilization

  • Scoliosis Corrective Surgery

  • Femoral Lengthening

  • Pelvic Hip Arthroplasty

  • Peripheral Nerve Surgery

Orthopedic Surgery:

  • Repair of Descending Thoracic Abdominal Aortic Aneurysm under deep hypothermic technique 

  • Carotid Endarterectomy

  • Subclavian-Carotid Bypass

  • Coarctation Repair

  • Occlusion of Brain-Supplying Arteries

  • Embolization of Aneurysm & AVMs

  • Embolization Aneurysm/AVM/Tumor

Vascular Surgery:


  • Cranial Base Tumors

  • Posterior Fossa Tumors

  • Microvascular Decompression

  • Intracranial Aneurysms

  • Anterior Cervical Discectomy/Fusion

  • Intracranial Arteriovenous Malformations

  • Sensory/Motor cortex mapping

  • Anterior Corpectomy

  • Anterior Vertebrectomy

  • Thoracic Laminectomy

  • Lumbosacral Nerve Root Decompression

  • Instrumentation for Spinal Instability

  • Stabilization of Odontoid/Dens Fracture

  • Intramedullary or Extramedullary Spinal Cord Tumors

  • Spinal Arteriovenous Malformations

  • Cauda Equina Tumor

  • Conus Tumor

  • Syringomyelia

  • Spinal Cord Untethering

  • Selective Dorsal Rhizotomy

  • Brachial Plexus Injury

  • Distal Peripheral Nerve Injury


  • Mastoidectomy

  • Acoustic Neuroma

  • Vestibular Nerve Section

  • Auditory Brainstem Implant

  • Cochlear Implant

  • Glomus Tumor

ENT/Otolaryngology Surgery:​

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