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Cellular metabolic alterations in shock.

W Schumer

    Klinische Wochenschrift
    |January 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Circulatory shock severely stimulates the pituitary adrenal axis, leading to significant physiological and metabolic changes. This condition involves inadequate blood volume, causing reduced perfusion and anaerobic metabolism in tissues.

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    Area of Science:

    • Physiology
    • Endocrinology
    • Pathophysiology

    Background:

    • Circulatory shock is a critical condition characterized by inadequate circulating blood volume.
    • It leads to decreased tissue perfusion, initially affecting nonvital tissues and progressing to vital organs.
    • The body's response involves hormonal and neural mechanisms to maintain perfusion.

    Purpose of the Study:

    • To describe the physiological and metabolic consequences of circulatory shock.
    • To elucidate the body's response to decreased circulating blood volume.

    Main Methods:

    • Review of physiological responses to circulatory shock.
    • Analysis of hormonal (catecholamines, angiotensin) and neural (sympathetic nervous system, baroreceptors) pathways involved.

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    Main Results:

    • Reduced perfusion of nonvital tissues leads to anaerobic metabolism.
    • Catecholamine and angiotensin secretion increases peripheral resistance.
    • Sympathetic nervous system activation further enhances vasoconstriction and peripheral resistance.

    Conclusions:

    • Circulatory shock profoundly impacts the pituitary adrenal axis.
    • The body employs compensatory mechanisms involving vasoconstriction and hormonal release to counteract shock.
    • Understanding these responses is crucial for managing shock and its sequelae.