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Sequential circulatory changes in the circumferentially burned limb.

J M Clayton, H E Russell, C E Hartford

    Annals of Surgery
    |April 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    Circumferentially burned limbs experience reduced muscle blood flow (MBF) within 36 hours. Escharotomy significantly improves MBF, but initial Doppler tests cannot predict its necessity, requiring sequential monitoring.

    Area of Science:

    • Vascular Surgery
    • Burn Management
    • Hemodynamics

    Background:

    • Circumferential burns can compromise extremity circulation.
    • Assessing hemodynamic alterations is crucial for timely intervention.

    Purpose of the Study:

    • To evaluate hemodynamic changes in circumferentially burned extremities.
    • To assess the utility of Doppler arterial examinations and muscle blood flow (MBF) measurements.

    Main Methods:

    • Doppler arterial examinations and Xenon-133 washout for MBF were performed on 27 burned limbs.
    • Measurements were taken at baseline, during the initial 36 hours post-injury, and around escharotomy procedures.

    Main Results:

    • Maximum MBF decrement occurred by 36 hours post-injury.

    Related Experiment Videos

  • Escharotomy significantly improved MBF (p < 0.01).
  • Doppler examinations correlated with MBF, especially around escharotomy (88% accuracy).

    • Conclusions:

    • Initial MBF and Doppler studies are insufficient to predict the need for escharotomy.
    • Sequential hemodynamic monitoring during the first 36-48 hours is recommended for burned extremities.