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Successful thrombectomy for coronary embolism likely due to floating aortic plaque in ascending aorta

Daisuke Nakamura1, Nobuhiko Makino, Yasuyuki Egami

  • 1Division of Cardiology, Osaka Rosai Hospital, 1179-3, Nagasone-cho, Sakai, Osaka, 591-8025, Japan.

Cardiovascular Intervention and Therapeutics
|September 3, 2014
PubMed

Insights

A 70-year-old man

Area of Science:

  • Cardiology
  • Vascular Biology
  • Interventional Cardiology

Background:

  • Acute myocardial infarction necessitates prompt intervention.
  • Coronary artery embolism is a critical complication.
  • Aortic plaque is a known risk factor for systemic embolism.

Observation:

  • Aspiration thrombectomy yielded calcified atherosclerotic plaque, not thrombus.
  • Transesophageal echocardiography revealed mobile aortic plaque and moderate aortic regurgitation.
  • Histological analysis confirmed severe calcified plaque without thrombotic elements.

Findings:

  • The retrieved material was identified as calcified atherosclerotic plaque.
  • Coronary embolism was likely caused by embolized aortic plaque fragments.
  • Aortic regurgitation may have facilitated plaque detachment and transport.

Implications:

  • This case highlights aortic plaque as a potential source of coronary embolism.
  • Understanding aortic plaque mobility is crucial for managing coronary events.
  • Further research into aortic plaque characteristics and embolism risk is warranted.

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