Myocardial Infarction Secondary to Blunt Chest Trauma

Tariq S Marroush1, Amreeta V Sharma1, Louis D Saravolatz1

  • 1Department of Internal Medicine, St. John Hospital and Medical Center, Detroit, Michigan.

Insights

Blunt chest trauma can cause myocardial infarction (MI), a rare but serious condition. Prompt diagnosis and surgical intervention, like coronary artery bypass grafting (CABG), are crucial for managing trauma-associated MI.

Area of Science:

  • Cardiology
  • Trauma Surgery

Background:

  • Myocardial infarction (MI) is rarely associated with blunt chest trauma.
  • Young males are disproportionately affected, often due to road accidents.

Observation:

  • A case of acute MI in a young hockey player following chest-first trauma is presented.
  • Literature review identified 179 cases of trauma-associated MI.

Findings:

  • The left anterior descending artery and right coronary artery (proximal thirds) were most commonly affected.
  • While conservative management was historical, current therapies include percutaneous stenting and coronary artery bypass grafting (CABG).
  • CABG was necessary in several cases after failed stenting attempts.

Implications:

  • Trauma-associated MI, though uncommon, requires high clinical suspicion for timely diagnosis and management.
  • Early consultation with a cardiac surgeon during angiography is vital to prevent delays in revascularization, especially when CABG may be needed.

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