Physiologic monitoring

Physiologic monitoring, also called intraoperative neuromonitoring, is used during spine surgery to track nerve and spinal cord function in real time. This helps improve safety by alerting the surgical team to changes while the operation is in progress.

Quick Facts:

  • Monitors nerve and spinal cord function during surgery
  • Provides real-time feedback
  • Commonly used in complex or high-risk spine procedures
  • Helps improve surgical safety

👉 Request an Appointment
👉 Refer a Patient

WHAT IS PHYSIOLOGIC MONITORING?

Physiologic monitoring is a system used during surgery to measure how the spinal cord and nerves are functioning.

Small sensors and monitoring equipment track electrical signals throughout the procedure.

This allows the surgical team to:

  • Watch for changes in nerve function
  • Identify potential problems early
  • Adjust the operation if needed

👉 The goal is to protect neurologic function during surgery

WHY IS IT USED IN SPINE SURGERY?

Some spine procedures involve operating close to:

  • The spinal cord
  • Nerve roots
  • Important motor and sensory pathways

Monitoring helps by:

  • Providing immediate feedback during surgery
  • Increasing confidence in higher-risk procedures
  • Supporting safer correction of deformity or placement of implants

👉 It is especially useful when nerve or spinal cord risk is higher than usual

WHAT TYPES OF SURGERY USE PHYSIOLOGIC MONITORING?

May be used in the following types of surgeries:

  • Deformity surgery
  • Thoracic spine surgery
  • Cervical myelopathy surgery
  • Revision spine surgery
  • Tumor surgery

👉 It is most valuable when the spinal cord or major nerves are at risk

WHAT DOES IT MONITOR?

Different types of monitoring may be used depending on the surgery.

Motor Evoked Potentials (MEPs)

  • Spinal cord – Monitoring pathways responsible for movement

Somatosensory Evoked Potentials (SSEPs)

  • Spinal cord – Monitoring sensory pathways

Electromyography (EMG)

  • Detects irritation or injury to nerve roots

Other Specialized Monitoring

  • Used selectively depending on the procedure and anatomy

👉 Multiple forms of monitoring are often used together

HOW DOES IT HELP DURING SURGERY?

Physiologic monitoring can help by:

  • Detecting changes before permanent injury occurs
  • Identifying when nerves are being irritated or compressed
  • Helping guide screw placement or deformity correction
  • Allowing the surgeon to adjust the procedure in real time

👉 This gives the surgical team more information when decisions matter most

WHAT DOES THIS MEAN FOR PATIENTS?

Potential Benefits

  • Increased safety during surgery
  • Better protection of spinal cord and nerve function
  • Real-time information during complex procedures
  • Added confidence in higher-risk cases

Important Perspective

Monitoring is a safety tool. It does not replace surgical expertise, but it provides important information that can improve decision-making.

👉 The goal is to make surgery more controlled and safer

HOW IS IT USED DURING SURGERY?

Step-by-Step Overview

  1. Monitoring setup
    • Sensors are placed before surgery begins
  2. Baseline signals are recorded
    • The team confirms the patient’s starting neurologic signals
  3. Signals are followed throughout surgery
    • Changes are tracked in real time
  4. The surgical team responds if changes occur
    • Adjustments can be made during the operation if needed

👉 Monitoring provides continuous feedback throughout the case

OUR APPROACH

We use physiologic monitoring when it adds meaningful safety and value.

  • Not every spine surgery requires neuromonitoring
  • We use it selectively in procedures where neurologic protection is especially important
  • It is one part of a broader strategy that includes planning, imaging, technique, and judgment
  • The goal is to reduce risk while achieving the surgical objective

👉 Monitoring supports a careful, safety-focused surgical approach

WHAT TO EXPECT

Before Surgery

  • Discussion of the procedure and safety measures
  • Monitoring plan determined based on the type of surgery

During Surgery

  • Monitoring is performed continuously while you are under anesthesia
  • It does not change what you feel as a patient

After Surgery

  • Standard postoperative neurologic assessment still applies
  • Monitoring helps support intraoperative safety but is not a substitute for follow-up care

OUTCOMES & RISKS

Potential Benefits

  • Better real-time awareness of nerve or spinal cord function
  • Enhanced safety in complex cases
  • Support for safer deformity correction and instrumentation

Limitations

  • Monitoring is one part of the surgical safety strategy
  • Signals can be affected by anesthesia, positioning, or other factors
  • It supports judgment but does not replace it

Risks

  • Monitoring itself is generally very safe
  • The main purpose is to reduce uncertainty and improve safety during surgery

👉 Best results come from combining sound surgical technique with appropriate use of technology

FREQUENTLY ASKED QUESTIONS

Is monitoring used in every spine surgery?

No. It is used when it provides a clear safety benefit.

Does it prevent nerve injury completely?

No tool can eliminate risk entirely, but monitoring can help detect problems early.

Will I feel anything from it?

No. Monitoring is performed while you are under anesthesia.

Who watches the monitoring during surgery?

Specialized monitoring personnel work with the surgical team in real time.

FOR REFERRING PHYSICIANS

  • Consider referral for cases involving:
    • Cervical myelopathy
    • Thoracic spine surgery
    • Deformity correction
    • Revision instrumentation
    • Tumor-related decompression
  • Benefits include:
    • Real-time neurologic feedback
    • Improved confidence in complex procedures
    • Added safety in higher-risk anatomy
  • Best suited for:
    • Spinal cord–related procedures
    • Major reconstruction or correction cases

RELATED CONDITIONS / PROCEDURES

Next steps…

👉 Request an Appointment
👉 Refer a Patient