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Postoperative Myocardial Infarction in Acute Type A Aortic Dissection: A Case Report

Shibo Song1, Lin Lu2, Haifeng Qiang3

  • 1Department of Cardiac Surgery, Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China. docsongbo@sina.com.

The Heart Surgery Forum
|March 1, 2023
PubMed

Insights

Postoperative myocardial infarction (POMI) is a rare, fatal complication following acute type A aortic dissection repair, even without prior coronary issues. Type 2 myocardial infarction may be the cause, requiring tailored medical management.

Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Thoracic Surgery

Background:

  • Acute type A aortic dissection is a life-threatening condition requiring prompt surgical intervention.
  • Postoperative myocardial infarction (POMI) is an uncommon but serious complication following aortic repair.

Observation:

  • A rare case of POMI occurred in a patient undergoing repair for acute type A aortic dissection.
  • The patient had no pre-existing coronary artery lesions or coronary malperfusion prior to the aortic repair surgery.

Findings:

  • This case highlights POMI as a rare, potentially fatal complication in acute type A aortic dissection, particularly in patients without prior coronary abnormalities.
  • Type 2 myocardial infarction is suggested as a potential mechanism for POMI in this context.

Implications:

  • Effective management strategies for POMI include anticoagulation, hemodynamic support (volume and blood pressure), blood product administration, heart rate control, and individualized respiratory support.
  • Recognizing and managing POMI is crucial for improving outcomes in patients with acute type A aortic dissection.

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