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Updated: Feb 1, 2026

Acute Myocardial Infarction in Rats
Published on: February 16, 2011
Myocardial Infarction Caused by Accelerated Plaque Formation Related to Myocardial Bridge in a Young Man
Shinnosuke Kikuchi1, Kozo Okada1, Kiyoshi Hibi1
1Division of Cardiology, Yokohama City University Medical Center, Yokohama, Japan.
Abstract:
A 28-year-old man without coronary risk factors was admitted to the hospital with acute coronary syndromes (ACS). The angiogram and intravascular ultrasound revealed myocardial bridge (MB) in the mid-left anterior descending artery and flow-limiting plaque located 15.4 mm proximal to MB. The culprit lesion was treated only with drug-coated balloon, considering the patient's extremely young age. This case suggests that an accelerated formation of plaque caused by MB appeared to contribute to the development of ACS; thus, MB should be considered as an important cause of ACS in young patients with low cardiovascular risk.
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