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Related Experiment Videos

Lactic acidosis

E Ritz, A Heidland

    Clinical Nephrology
    |May 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Lactic acidosis, a metabolic state with low pH and high blood lactate, can occur with or without tissue hypoxia. Treatment involves sodium bicarbonate and improved tissue perfusion.

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    Area of Science:

    • Biochemistry
    • Pathophysiology
    • Internal Medicine

    Background:

    • Lactic acid is a byproduct of anaerobic glucose metabolism, normally cleared by gluconeogenesis or oxidation.
    • Plasma lactate concentration reflects a balance between production and removal.
    • The lactate-to-pyruvate ratio is not a definitive indicator of tissue hypoxia.

    Purpose of the Study:

    • To define lactic acidosis and its classification.
    • To outline potential causes of lactic acidosis.
    • To discuss current therapeutic strategies for lactic acidosis.

    Main Methods:

    • Review of metabolic pathways of lactate.
    • Analysis of factors influencing plasma lactate concentration.
    • Clinical case review and therapeutic outcome analysis.

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    Main Results:

    • Lactic acidosis is defined as arterial pH < 7.3 and blood lactate > 2 mEq/l.
    • Type A lactic acidosis is associated with tissue hypoxemia; Type B occurs without it.
    • Causes include phenformin, enzymatic defects, malignancy, fasting, shock, and idiopathic cases.

    Conclusions:

    • Lactic acidosis management includes sodium bicarbonate and restoring tissue perfusion.
    • Hemodialysis may aid in managing sodium overload and phenformin removal.
    • The efficacy of methylene blue, glucose, and insulin requires further investigation.