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Interactions between cardiovascular and pain regulatory systems.

A Randich, W Maixner

    Neuroscience and Biobehavioral Reviews
    |January 1, 1984
    PubMed
    Summary

    Cardiovascular and pain systems are interconnected. Activating baroreceptor reflexes reduces pain perception, potentially influencing stress responses and hypertension.

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    Area of Science:

    • Neuroscience
    • Cardiovascular Physiology
    • Pain Perception

    Background:

    • Cardiovascular and pain regulatory systems are closely linked.
    • Baroreceptor reflex arcs influence pain modulation.

    Purpose of the Study:

    • To review evidence linking cardiovascular function and pain perception.
    • To characterize cardiovascular input to pain regulatory systems.
    • To explore the role of this network in stress adaptation and hypertension.

    Main Methods:

    • Review of pharmacological, neuroanatomical, electrophysiological, and behavioral data.
    • Analysis of experimental data from baroreceptor reflex activation.
    • Examination of studies involving pharmacological treatments, nerve stimulation/resection, and CNS lesions.

    Main Results:

    • Activation of cardiopulmonary and sinoaortic baroreceptor reflex arcs induces antinociception (pain inhibition).
    • Cardiovascular system influences pain regulatory pathways.
    • Elevations in blood pressure may offer stress-related pain relief.

    Conclusions:

    • The integrated cardiovascular-pain network is crucial for adaptive responses to stressors.
    • This network may play a role in "diseases of adaptation," including essential hypertension.
    • Blood pressure regulation and pain perception are intertwined, impacting psychophysiological states.

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