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Ventricular function in myocardial contusion: a preliminary study

P Torres-Mirabal, J C Gruenberg, J G Talbert

    Critical Care Medicine
    |January 1, 1982
    PubMed
    Summary
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    Myocardial contusion in blunt chest trauma patients is often missed. Prospective diagnosis using ECG, CPK, and CPK-MB increased detection rates, revealing significant cardiac dysfunction and morbidity.

    Area of Science:

    • Cardiology
    • Trauma Medicine
    • Diagnostic Imaging

    Background:

    • Myocardial contusion is a significant injury in blunt chest trauma.
    • Accurate and timely diagnosis is crucial for patient outcomes.
    • Previous retrospective analyses may underestimate the incidence of myocardial contusion.

    Observation:

    • Prospective evaluation of 15 trauma patients identified myocardial contusion in 15% of cases with blunt chest trauma.
    • Diagnostic tools included electrocardiogram (ECG), creatinine phosphokinase (CPK), and CPK-Muscle Brain (CPK-MB) isoenzyme.
    • Hemodynamic assessments revealed biventricular dysfunction in a majority of diagnosed patients.

    Findings:

    • Prospective diagnosis doubled the incidence of myocardial contusion compared to retrospective review (15% vs 7%).

    Related Experiment Videos

  • Cardiac dysfunction, including depressed cardiac index and biventricular impairment, was common.
  • Multiple gated acquisition (MUGA) scans showed abnormalities in 60% of patients.
  • Morbidity and mortality associated with myocardial contusion were high, affecting 40% of patients.

    • Implications:

    • Prospective diagnostic strategies improve the identification of myocardial contusion.
    • Hemodynamic monitoring, including Starling curves, is vital for assessing myocardial function and guiding management.
    • Early detection and monitoring can influence surgical timing and optimize patient care pathways.