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Aortic Dissection With Complete Occlusion of Left Main Coronary Artery Presenting as Acute ST-Segment Elevation

Ajay Pratap Singh1, Vatsal Kayal1, Ranjit K Nath1

  • 1Cardiology, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, IND.

Cureus
|July 19, 2021
PubMed

Insights

Acute Aortic Dissection (AAD) can rarely cause acute Myocardial Infarction (MI) by blocking coronary arteries. This case highlights AAD presenting as anterolateral wall MI due to left main coronary artery occlusion.

Area of Science:

  • Cardiovascular Medicine
  • Thoracic Surgery
  • Emergency Medicine

Background:

  • Acute Aortic Dissection (AAD) is a critical condition with diverse presentations.
  • Retrograde extension of AAD can compromise coronary blood flow, leading to myocardial infarction (MI).

Observation:

  • This report details a rare case of AAD.
  • The patient presented with symptoms of acute anterolateral wall MI.
  • Diagnostic imaging revealed total occlusion of the left main coronary artery.

Findings:

  • The patient's acute anterolateral wall MI was directly caused by AAD.
  • The left main coronary artery occlusion was a consequence of the aortic dissection.

Implications:

  • Prompt diagnosis and surgical intervention are crucial for managing AAD and its complications.
  • This case underscores the importance of considering AAD in patients presenting with MI, even with atypical symptoms.
  • Understanding the link between AAD and coronary occlusion can improve patient outcomes.

Keywords:
aortic dissectioncoronary angiographyleft main stem occlusionmyocardial infarctionstemi

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