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Early detection of myocardial infarction following blunt chest trauma by computed tomography: a case report

Thung-Lip Lee1, Chin-Feng Hsuan1, Chen-Hsiang Shih1

  • 1Division of Cardiology, Department of Internal Medicine, E-Da hospital / I-Shou University, Kaohsiung, Taiwan.

BMC Cardiovascular Disorders
|February 11, 2017
PubMed

Insights

Blunt chest trauma can cause acute myocardial infarction due to coronary artery dissection, a rare but life-threatening condition. Early CT detection of myocardial perfusion defects aids diagnosis and guides emergent treatment, improving patient survival.

Area of Science:

  • Cardiology
  • Trauma Surgery
  • Radiology

Background:

  • Blunt cardiac trauma presents diverse injuries, including myocardial contusion and infarction.
  • Acute myocardial infarction from coronary artery dissection post-trauma is rare and challenging to diagnose.
  • Differentiating myocardial infarction from contusion in trauma is clinically difficult.

Observation:

  • A case of blunt chest trauma presented with early computed tomography (CT) detected myocardial enhancement defect.
  • Initial diagnosis suggested acute myocardial infarction, prompting emergent coronary angiography.
  • Coronary angiography revealed left anterior descending artery occlusion, with dissection identified post-thrombus aspiration.

Findings:

  • CT-identified myocardial perfusion defects are crucial indicators of myocardial infarction in blunt chest trauma.
  • Emergent coronary angiography confirmed left anterior descending artery occlusion and dissection.
  • Successful revascularization with coronary stenting led to patient survival.

Implications:

  • CT-detected myocardial perfusion defects are valuable for diagnosing myocardial infarction after blunt chest trauma.
  • Prompt identification and intervention are critical for managing this rare complication.
  • Radiological findings significantly aid in decision-making for emergent procedures in trauma patients.
Abstract

Keywords:
Blunt chest traumaComputed tomographyCoronary dissectionMyocardial infarction

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