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Mortality in retroperitoneal hematoma.

V Selivanov, H S Chi, J C Alverdy

    The Journal of Trauma
    |December 1, 1984
    PubMed
    Summary
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    Retroperitoneal hematoma (RH) from trauma significantly impacts survival, with Zone III injuries and prolonged ventilation increasing mortality risks. Early respiratory failure indicators like low PaO2/FIO2 ratios are critical for identifying non-survivors.

    Area of Science:

    • Trauma Surgery
    • Critical Care Medicine
    • Surgical Outcomes

    Background:

    • Retroperitoneal hematoma (RH) is a serious complication of blunt and penetrating trauma.
    • Understanding the anatomical zones and associated injury severity is crucial for predicting patient outcomes.

    Purpose of the Study:

    • To analyze the characteristics, outcomes, and mortality associated with retroperitoneal hematomas in trauma patients.
    • To identify predictors of mortality and respiratory failure in patients with RH.

    Main Methods:

    • Retrospective analysis of 81 patients with retroperitoneal hematomas due to trauma.
    • Classification of hematomas into Zone I (centro-medial), Zone II (lateral), and Zone III (pelvic).
    • Evaluation of injury severity scores (ISS), mortality rates, and incidence of respiratory failure.

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    Main Results:

    • Overall mortality was 20%, reduced to 13% excluding head injuries. Pelvic fractures (Zone III) were associated with 19% mortality.
    • Respiratory failure occurred in 29% of patients (excluding head trauma), rising to 37% for Zone III injuries.
    • Prolonged ventilatory support (>48 hours) correlated with 35% mortality; nonsurvivors had lower PaO2/FIO2 ratios at 48 hours.

    Conclusions:

    • Retroperitoneal hematoma location, particularly Zone III, and the need for extended mechanical ventilation are significant predictors of mortality.
    • Early assessment of respiratory function, including PaO2/FIO2, may aid in identifying high-risk trauma patients with RH.