Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Predictability of adequacy of spinal root decompression using evoked potentials.

B A Cohen1, M R Major, B A Huizenga

  • 1Department of Orthopaedic Surgery, St. Michael's Hospital, Milwaukee, Wisconsin.

Spine
|August 1, 1991
PubMed
Summary

Dermatomal evoked potentials accurately assess nerve root decompression during surgery. Intraoperative electrical improvements correlated with pain relief and motor function recovery in most patients.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Implementation of heterodyne detection of radio frequency waves using phase contrast imaging.

The Review of scientific instruments·2026
Same author

Improved description of diffraction effects for phase contrast imaging with applications to magnetically confined fusion plasmas.

The Review of scientific instruments·2025
Same author

Pedestal fluctuation measurements with charge exchange imaging at the DIII-D tokamak.

The Review of scientific instruments·2022
Same author

Aqueously altered igneous rocks sampled on the floor of Jezero crater, Mars.

Science (New York, N.Y.)·2022
Same author

An olivine cumulate outcrop on the floor of Jezero crater, Mars.

Science (New York, N.Y.)·2022
Same author

Impact Melt Facies in the Moon's Crisium Basin: Identifying, Characterizing, and Future Radiogenic Dating.

Journal of geophysical research. Planets·2020

Area of Science:

  • Neurosurgery
  • Neurology
  • Spinal Surgery

Background:

  • Dermatomal evoked potentials (DEP) offer precise assessment of nerve root pathway viability.
  • Evaluating the quality and extent of nerve root decompression is crucial in spinal surgery.

Purpose of the Study:

  • To evaluate the utility of intraoperative dermatomal evoked potentials in predicting spinal decompression outcomes.
  • To correlate intraoperative electrophysiological changes with postoperative clinical results.

Main Methods:

  • Twelve patients with quantifiable weakness underwent DEP monitoring before, during, and after surgery.
  • Electrophysiological parameters (latency, amplitude) were analyzed intraoperatively.
  • Postoperative pain and motor function were assessed.

Related Experiment Videos

Main Results:

  • Nine out of twelve patients demonstrated significant intraoperative electrical improvement (decreased latency/increased amplitude).
  • These nine patients experienced postoperative pain relief and motor function return.
  • Three patients had variable intraoperative responses, achieving pain relief but no motor improvement.
  • No false-negative findings were recorded, indicating high sensitivity.

Conclusions:

  • Intraoperative monitoring of dermatomal evoked potentials is valuable for predicting spinal decompression quality.
  • DEP monitoring provides specificity for individual nerve root levels, surpassing somatosensory evoked potentials alone.