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22nd Annual Pain Medicine Meeting 2023
November 10 - 11, 2023 | New Orleans Marriott | New Orleans, Louisiana, USA
4914
UTILIZING AN A-DELTA SENSORY NERVE TEST TO DETECT NEUROPATHY
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Chronic Pain
A-DELTA PAIN FIBER NERVE CONDUCTION IDENTIFIES PERIPHERAL NEUROPATHY
In 2000, it was discovered that A-delta fibers down-regulate soon after injury while C fibers (slow pain) up-regulate
By measuring the voltage required to cause A-delta voltage-gated channels to fire threshold action potentials in the nerves in a region, one can locate the injured nerve
Usefullness in detecting peripheral neuropathy:
• In length dependent peripheral neuropathy, the longer nerves are usually the most affected.
• Severity of neuropathy measured is usually related to distance of measuring point on nerve form the dorsal root ganglion.
• L4 (4” above medial malleolus), L5 (anterior ankle) and S1 (behind the lateral malleolus) the longest paths.
Conclusion: Identification of mono- and/or polyneuropathy becomes straightforward utilizing this simple sensory test