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Trauma: the acute response.

D K Gauthier, P LeMone

    AAOHN Journal : Official Journal of the American Association of Occupational Health Nurses
    |October 1, 1990
    PubMed
    Summary
    This summary is machine-generated.

    Trauma triggers local and systemic responses, including cellular changes due to reduced oxygen and inflammation. The body activates nervous and hormonal systems to maintain vital organ function post-injury.

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    Area of Science:

    • Physiology
    • Pathophysiology
    • Trauma Response

    Background:

    • Moderate to severe trauma initiates complex local and systemic physiological responses.
    • Cellular alterations post-trauma are primarily driven by decreased oxygen supply.
    • Inflammatory reactions and neuroendocrine system activation are key components of the trauma response.

    Purpose of the Study:

    • To describe the local and systemic responses to moderate to severe trauma.
    • To elucidate the cellular mechanisms underlying early post-trauma alterations.
    • To examine the involvement of the respiratory system in trauma response.

    Main Methods:

    • Review of physiological and pathophysiological mechanisms following trauma.
    • Analysis of cellular responses, including electrolyte and water shifts.

    Related Experiment Videos

  • Description of neuroendocrine system activation and its role in homeostasis.
  • Examination of respiratory system manifestations in trauma patients.

    • Main Results:

    • Early cellular changes involve electrolyte/water shifts and release of local tissue factors.
    • Local tissue factors mediate inflammation, affecting blood flow and vascular permeability.
    • Nervous and hormonal pathways are activated to restore blood volume and organ function.
    • Respiratory system involvement includes increased capillary permeability and potential for emboli or inhalation injury.

    Conclusions:

    • Trauma elicits multifaceted local and systemic responses critical for survival.
    • Understanding these responses aids in managing trauma patients and preventing complications.
    • Cellular oxygen supply and neuroendocrine regulation are central to the trauma cascade.