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Autonomic hyperreflexia during upper extremity surgery

E S Greene, J L Seltzer

    Canadian Anaesthetists' Society Journal
    |May 1, 1981
    PubMed
    Summary
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    Autonomic hyperreflexia occurred in a quadriplegic patient during surgery due to tourniquet ischemia. This case highlights the neural pathways involved in this response and tourniquet pain.

    Area of Science:

    • Neuroscience
    • Surgical Physiology
    • Clinical Case Study

    Background:

    • Autonomic hyperreflexia is a potentially life-threatening condition typically seen in individuals with spinal cord injuries.
    • Upper extremity surgery presents unique challenges in managing autonomic responses in patients with neurological deficits.

    Observation:

    • A case of autonomic hyperreflexia was observed in a quadriplegic patient during upper extremity surgery.
    • The event was temporally associated with the application of a surgical tourniquet.

    Findings:

    • Tourniquet-induced ischemia is proposed as the primary stimulus triggering autonomic hyperreflexia in this quadriplegic patient.
    • The afferent neural pathways mediating this response were implicated.

    Implications:

    Related Experiment Videos

    • Understanding these pathways can enhance the management of autonomic hyperreflexia during surgery in spinal cord-injured patients.
    • This case may offer insights into the mechanisms of tourniquet pain perception in neurologically intact individuals.