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Related Experiment Videos

Lung water changes after thermal burns. An observational study.

A Morgan, D Knight, N O'Connor

    Annals of Surgery
    |March 1, 1978
    PubMed
    Summary

    Lung thermal volume (LTV) effectively measures pulmonary extravascular water in burned patients. Elevated LTV indicates fluid shifts, peaking before edema resolves, offering insights into fluid management.

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    Area of Science:

    • Critical care medicine
    • Cardiopulmonary physiology
    • Burn injury management

    Background:

    • Accurate measurement of pulmonary extravascular water is crucial in managing critically ill patients, particularly those with burns.
    • Traditional methods for assessing fluid status can be invasive or time-consuming.
    • Lung thermal volume (LTV) offers a potentially rapid and repeatable method for estimating extravascular lung water.

    Observation:

    • LTV was measured in nine burned patients using transducer-detectable indicators.
    • Hemodynamic variables, including cardiac output and pulmonary capillary wedge pressure, were concurrently recorded.
    • Plasma albumin concentration and clinical signs of pulmonary edema were also monitored.

    Findings:

    • All patients exhibited a moderate elevation in LTV, reaching a maximum before complete peripheral edema formation.
    • Low left heart filling pressures correlated with low plasma albumin concentration.
    • Clinical pulmonary edema was observed in one patient predominantly treated with crystalloid fluids.
    • A secondary LTV peak was noted in several patients during the mobilization phase of edema.

    Implications:

    • LTV monitoring can provide valuable, timely information on fluid accumulation in burned patients.
    • Understanding LTV dynamics may aid in optimizing fluid resuscitation strategies and preventing pulmonary complications.
    • Further research could explore LTV's role in guiding therapeutic interventions for fluid management in critical care settings.

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