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Related Experiment Videos

Pain and the sympathetic system.

P W Nathan

    Journal of the Autonomic Nervous System
    |March 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    The sympathetic nervous system contributes to specific pain conditions. Blocking sympathetic nerves alleviates abnormal sensitivity and burning pain, suggesting a key role in these painful states.

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    Area of Science:

    • Neuroscience
    • Pain Research
    • Autonomic Nervous System

    Background:

    • The sympathetic nervous system innervates various bodily structures.
    • Abnormal control of sympathetically innervated structures is linked to certain painful conditions.
    • Painful states involving the sympathetic system exhibit heightened sensitivity to stimuli.

    Purpose of the Study:

    • To investigate the role of the sympathetic nervous system in specific painful states.
    • To examine the impact of sympathetic blocks on pain and sensitivity.
    • To understand the relationship between sympathetic control and mechanoreceptor function in pain.

    Main Methods:

    • Observational analysis of painful states with abnormal sympathetic control.
    • Assessment of pain and sensitivity following sympathetic blocks.

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  • Review of research on sympathetic control of mechanoreceptors.

    • Main Results:

    • Painful states involving the sympathetic system display extreme sensitivity to cutaneous and deep stimulation.
    • These abnormal pain states exhibit characteristic patterns of spread.
    • Blocking the sympathetic supply to mechanoreceptors removed extreme sensitivity and associated burning pain.

    Conclusions:

    • The sympathetic nervous system plays a significant role in specific painful conditions.
    • Sympathetic blocks provide temporary relief for these pain states.
    • Sympathetic dysfunction contributes to hypersensitivity of mechanoreceptors, leading to pain.