J Korean Med Sci.  2003 Dec;18(6):889-893. 10.3346/jkms.2003.18.6.889.

A Case of Acute Myocardial Infarction after Blunt Chest Trauma in a Young Man

• Park WS
• Jeong MH
• Hong YJ
• Park OY
• Kim JH
• Kim W
• Ahn YK
• Cho JG
• Park JC
• Ahn BH
• Kim SH
• Kang JC

• KMID: 1086750
• DOI: http://doi.org/10.3346/jkms.2003.18.6.889

Abstract

Coronary artery injury rarely occurs after blunt chest trauma, but it can lead to extensive myocardial infarction and be frequently overlooked. A 16-yr-old man was presented with comatose mental state and rapid respiration rate. He ran into guard rail while riding a motorcycle. In routine examination, his electrocardiogram showed Q wave and 2 mm ST segment elevation in all precordial leads, I and aVL. The cardiac enzymes were also elevated: creatine kinase (CK)-MB was 300 U/L, and cardiac specific troponin I was 5.7 ng/mL. Two-dimensional echocardiography showed anteroseptal akinesia with severely depressed left ventricular function, ejection fraction of 28%. He could not receive any anticoagulation or thrombolytic therapy because of his brain lesion. Three weeks later, his mental state improved. A diagnostic coronary angiogram revealed total occlusion in the proximal left anterior descending artery (LAD) with collaterals from the right coronary artery and left circumflex artery. We successfully performed a percutaneous coronary intervention for the LAD lesion, and the final angiogram showed a good coronary flow without residual stenosis.

Keyword

Myocardial Infarction; Angioplasty; Stents; Wounds, Nonpenetrating

MeSH Terms

Adolescent
Angioplasty, Transluminal, Percutaneous Coronary
Brain/pathology
Coronary Angiography
Echocardiography
Electrocardiography
Human
Male
Myocardial Infarction/*etiology/therapy
Thoracic Injuries/*complications/pathology/ultrasonography
Tomography, X-Ray Computed
Ventricular Dysfunction, Left