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Related Experiment Videos

Fluid retention and burn survival.

R G Carlson, S F Miller, R K Finley

    The Journal of Trauma
    |February 1, 1987
    PubMed
    Summary

    Fluid retention in burn patients, measured per square meter of body surface area, accurately predicts survival. This method, adjusted for burn wound fluid loss, is as effective as using lean body mass for assessing outcomes.

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    Area of Science:

    • Burn injury management
    • Trauma resuscitation
    • Critical care medicine

    Background:

    • Previous research linked fluid retention (cc/kg lean body mass) to burn survival.
    • That study did not account for fluid lost through burn wounds.
    • This study aimed to refine fluid retention assessment.

    Purpose of the Study:

    • To evaluate fluid retention per square meter of body surface area (BSA).
    • To adjust fluid retention calculations for estimated fluid loss from burn wounds.
    • To compare the predictive accuracy of BSA-based fluid retention versus lean body mass-based retention for survival.

    Main Methods:

    • Data from 95 adult burn patients (≥20% BSA burn) were analyzed.
    • Fluid retention in the first 48 hours postburn was calculated.

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  • Fluid loss from burn wounds was estimated using a formula by Mason et al.
  • Lean body mass fluid retention and BSA fluid retention were compared.

    • Main Results:

    • A strong positive correlation (r=0.921, p<0.001) was found between BSA and lean body mass fluid retention.
    • Both methods showed higher correlation with survival than age or burn size alone.
    • BSA fluid retention is as accurate as lean body mass fluid retention in predicting survival.
    • 4,425 cc retained fluid per square meter BSA accurately differentiated survivors from nonsurvivors within 48 hours.

    Conclusions:

    • Fluid retention per square meter of BSA, adjusted for wound loss, is a reliable predictor of burn patient survival.
    • This BSA-based method offers comparable accuracy to lean body mass calculations.
    • The findings provide a refined metric for assessing resuscitation effectiveness and prognosis in severe burn injuries.