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Published on: January 11, 2019
Radial versus dorsal ulnar cutaneous sensory studies
Van Evanoff1, Ralph M Buschbacher
1Indiana Pain and Spine Care, P.C., Plainfield, IN.
Journal of Long-Term Effects of Medical Implants
|January 9, 2007
Summary
This study establishes a normative database for radial and dorsal ulnar cutaneous (DUC) sensory nerve studies, aiding in peripheral neuropathy diagnosis. It provides crucial reference values for nerve latencies and amplitudes, facilitating accurate clinical assessments.
Area of Science:
- Neuroscience
- Clinical Electrophysiology
Background:
- Peripheral nerve injuries are common, leading to neuropathy from various causes.
- Accurate diagnosis of neuropathy relies on established normative data for nerve conduction studies.
- Comparing sensory studies between nerves in the same limb can help identify localized pathology.
Purpose of the Study:
- To create a large normative database for radial and dorsal ulnar cutaneous (DUC) sensory nerve studies.
- To compare latencies between the radial and DUC nerves within the same limb.
- To investigate the influence of demographic factors on nerve study results.
Main Methods:
- Collected sensory study data from 212 volunteers for radial nerves and 194 for DUC nerves using a 10-cm antidromic technique.
- Controlled for limb temperature during data acquisition.
- Analyzed onset/peak latencies, amplitudes, area, rise time, duration, and side-to-side differences.
Main Results:
- Established mean values for radial and DUC nerve parameters, including latencies and amplitudes.
- Determined upper limits of normal (ULN) for side-to-side and internerve peak latency differences (0.3-0.4 ms).
- Identified clinically insignificant associations between age, gender, BMI, and nerve study results.
Conclusions:
- A comprehensive normative database for radial and DUC sensory studies has been generated.
- This database will aid in diagnosing peripheral neuropathies from diverse etiologies.
- Side-to-side and internerve comparisons provide valuable diagnostic insights.
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