Coronary artery intramural hematoma causing myocardial infarction mimicking pseudoaneurysm or dissection from trauma:

Abdulilah Z Albriek1, Saad Alamri2, Faisal Hamad1

  • 1Department of Medical Imaging, Cardiothoracic Imaging Section King Saud Medical City Riyadh Saudi Arabia.

Clinical Case Reports
|June 28, 2024
PubMed

Insights

Blunt chest trauma can cause ST-segment elevation myocardial infarction due to intramural hematoma (IMH). This rare condition resolved with conservative treatment, highlighting the importance of accurate diagnosis.

Area of Science:

  • Cardiology
  • Radiology
  • Trauma Surgery

Background:

  • ST-segment elevation myocardial infarction (STEMI) is a critical cardiac event.
  • Blunt chest trauma is a known, though less common, cause of myocardial infarction.
  • Intramural hematoma (IMH) is a rare arterial injury that can mimic other cardiac conditions.

Observation:

  • A patient presented with STEMI following blunt chest trauma.
  • Computed tomography (CT) imaging revealed an intramural hematoma (IMH).
  • Diagnosis was corroborated by electrocardiography (ECG), cardiac biomarkers, and coronary angiography.

Findings:

  • The intramural hematoma (IMH) was successfully diagnosed using CT.
  • The patient's STEMI was attributed to the IMH.
  • Conservative management led to complete resolution of the IMH within one year.

Implications:

  • Accurate differentiation of IMH from other arterial injuries is crucial for patient management.
  • CT imaging plays a vital role in diagnosing IMH after chest trauma.
  • Conservative treatment can be effective for resolving IMH, avoiding more invasive procedures.

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