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Aortic Injury and Hemopericardium: Key Findings and Evaluation

Hyeon Ju Lee, Ji Young Rho, Moon Young Kim

    Journal of the Korean Society of Radiology
    |August 8, 2026
    PubMed

    Insights

    CT angiography (CTA) is crucial for diagnosing life-threatening traumatic aortic injuries and hemopericardium. Key imaging findings and grading systems guide urgent management decisions in acute thoracic trauma care.

    Area of Science:

    • Emergency Medicine
    • Radiology
    • Cardiovascular Surgery

    Background:

    • Traumatic thoracic aortic injury and hemopericardium are critical, life-threatening conditions in acute trauma.
    • CT angiography (CTA) is the primary imaging modality for evaluation, diagnosis, and treatment planning.

    Purpose of the Study:

    • To review imaging findings, grading systems, and management implications for traumatic aortic injury and hemopericardium.
    • To highlight common diagnostic pitfalls and the importance of structured reporting.

    Main Methods:

    • Review of CTA findings in traumatic aortic injury, including intimal flaps, intramural hematomas, pseudoaneurysms, and contrast extravasation.
    • Analysis of CT characteristics for traumatic hemopericardium, cardiac tamponade, and associated injuries.
    • Discussion of common mimickers and artifacts.

    Main Results:

    • CTA findings are categorized using the Society for Vascular Surgery grading system for aortic injuries.
    • CT features of hemopericardium and tamponade inform intervention urgency.
    • Identification of pitfalls like ductus diverticulum and mediastinal hematoma is crucial for accuracy.

    Conclusions:

    • Accurate interpretation of CTA is essential for managing traumatic thoracic aortic injury and hemopericardium.
    • Understanding grading systems, pitfalls, and structured reporting improves diagnostic accuracy and patient care.

    Keywords:
    Aorta, ThoracicCardiac TamponadeComputed Tomography AngiographyPericardial EffusionThoracic InjuriesVascular System Injuries

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