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Multifactorial analysis of epidural spinal cord stimulation
1Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa.
Stereotactic and Functional Neurosurgery
|January 1, 1991
Summary
This study created a database of spinal cord stimulation (SCS) parameters from 1,375 electrode combinations. The data helps optimize SCS implementation by analyzing electrode position and electrical settings for better paresthesia mapping.
Area of Science:
- Neurosurgery
- Biomedical Engineering
- Neuromodulation
Background:
- Spinal cord stimulation (SCS) is a key therapy for chronic pain.
- Precise implementation of SCS requires detailed data on electrode placement and stimulation parameters.
- Current data banks for SCS optimization are limited.
Purpose of the Study:
- To develop a comprehensive data bank for spinal cord stimulation (SCS) implementation.
- To systematically analyze the relationship between electrode configuration, electrical parameters, and stimulation response.
- To provide objective data for refining SCS electrode placement and programming.
Main Methods:
- Computerized analysis of 1,375 stimulation combinations from 67 electrode arrays in 34 subjects.
- Systematic testing of all available electrode combinations during stimulation trials.
- Data collection on electrode position, vertebral level, paresthesia distribution, and electrical parameters (voltage, rate, pulse width, thresholds).
Main Results:
- Characterization of stimulation-induced paresthesia patterns.
- Definition of the electrical parameter spectrum used in SCS.
- Cataloging of implanted electrode array and contact characteristics.
- Objective analysis of how electrode position, vertebral level, and inter-electrode distance influence electrical parameters and responses.
Conclusions:
- The multifactorial analysis provides a robust data bank for SCS.
- This data facilitates more precise and effective SCS implementation.
- The findings form a basis for future advancements in neural electrical stimulation.