Intraoperative Neuromonitoring (IONM)
Intraoperative Neuromonitoring (IONM), or Surgical Neuromonitoring, assists surgeons in locating and protecting nerves, the spinal cord, and the brain during surgical procedures. It has been clinically proven to reduce the patient’s risk of damage to the nervous system. Intraoperative neuromonitoring can also be used to locate and test the function of neural structures.
IONM is performed by a certified Surgical Neurophysiologist in the operating room and is overseen remotely in real-time by a Neurologist. Together, they evaluate and interpret data and communicate to the surgical team information needed to safeguard patient safety and ensure positive surgical outcomes.
Accredited by The Joint Commission — the same independent accreditor hospitals trust to evaluate clinical quality and patient safety.
20+ years
Continuous IONM service since 2006
~100,000 cases
Across spine, neurosurgery, vascular, and ENT
100% contract retention
Across active hospital and surgery-center partnerships
Frequently Monitored Surgeries
Brain
Aneurysm Clipping
Brainstem Tumor
Tumor Excision
Arteriovenous Malformation
Epilepsy Surgery
Craniotomy
ENT
Neck Dissection
Parotidectomy
Cochlear Implant
Mastoidectomy
Carotid Endarterectomy
Thyroidectomy/Parathyroidectomy
Spine
Spinal Cord Tumor Resection
Corpectomy
Discectomy
Extreme Lateral Interbody Fusion
Laminectomy
Lateral Lumbar Interbody Fusion
Microdiscectomy
Oblique Lumbar Interbody Fusion
Posterior Cervical Decompression and Fusion
Posterior Lumbar Decompression and Fusion
Posterior Lumbar Interbody Fusion
Posterior Spinal Fusion
Removal/Revision of Hardware
Spinal Cord Stimulator Placement
Transforaminal Lumbar Interbody Fusion
Direct Lateral Interbody Fusion
Anterior Cervical Fusion/Decompression
Lumbar Fusion/Decompression
Thoracic Fusion/Decompression
Cervical Fusion/Decompression
Common IONM Modalities
Somatosensory Evoked Potentials (SSEP)
Trans-Cranial Motor Evoked Potentials (TcMEP)
Electromyography (EMG)
Free Run Electromyography (fEMG)
Triggered Electromyography (tEMG)
Direct Nerve Stimulation
Electroencephalogram (EEG)
Advanced Modalities
Sensorimotor Cortex Localization
Motor Mapping
Language Mapping
Dorsal Column mapping
Saphenous SSEP
Collision Studies
Interpreting Physician
Every AMS-supported surgery is paired with a licensed neurologist credentialed at the hospital where services are provided. The Interpreting Physician (IP) reads the real-time data through a secure, HIPAA-compliant connection established by the AMS technologist in the OR. The IP and technologist are in communication before the case begins and continuously throughout — allowing for real-time dialogue and clinical recommendations if data changes during the procedure.
Oversight Is the Standard of Care
CMS guidelines require that IONM data be interpreted by a physician in real time. Without an Interpreting Physician in the loop, the hospital and surgeon carry the oversight responsibility for the technologist — and the case operates outside accepted standard of care.
AMS builds its model around that standard: a credentialed CNIM in the OR, a licensed neurologist reading the data in real time, and a clinical chain of accountability that holds up under both CMS and Joint Commission review.
We would absolutely do this again! We feel like we have placed that service-line in capable hands. AMS is providing a high level of care and meets our patient’s needs.
I’ve worked with several intraoperative monitoring providers — and I can say without hesitation that AMS stands out as the best in every aspect… I’ve had the opportunity to work with over 25 AMS technologists in my operating room, and the consistency of care and professionalism has remained remarkably high. As AMS continues to grow, they have managed to scale without compromising on quality — a rare achievement in our industry.
Their employees are punctual, competent, respectful, and provide superior patient care in both elective cases and trauma cases that require a more complex standard of care.
I have been using AMS to monitor my surgeries for the past 2 years and have been extremely satisfied with their performance… always being on time, extremely reliable with the work they do, responsive and helpful customer service, and cover our monitoring needs from spine to cranial procedures.