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Lethal postoperative coronary artery spasm

H S Paterson1, M W Jones, D K Baird

  • 1Westmead Hospital, Sydney, Australia.

The Annals of Thoracic Surgery
|July 1, 1998
PubMed
Summary
This summary is machine-generated.

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Postoperative coronary artery spasm is rare but can be severe. Early diagnosis and management are crucial to prevent serious outcomes like myocardial infarction or death.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Vascular Surgery

Background:

  • Coronary artery spasm post-cardiac surgery is infrequently recognized.
  • Its clinical presentation is variable and diagnosis challenging, often relying on exclusion.
  • Awareness of the condition is key for timely diagnosis.

Observation:

  • Presents three cases of severe coronary artery spasm in the early postoperative period.
  • All patients were women aged 55-60, with left anterior descending artery disease, undergoing left internal mammary artery bypass.
  • Ischemic events occurred approximately 7 hours postoperatively.

Findings:

  • One patient experienced fatal hemodynamic deterioration.
  • Another suffered a significant anterior myocardial infarction despite patent bypass graft.

Related Experiment Videos

  • The third patient recovered fully with intra-aortic balloon pump support.

    • Implications:

    • Highlights the importance of considering coronary artery spasm in postoperative myocardial ischemia.
    • Emphasizes that prompt diagnosis and appropriate management can mitigate severe consequences.
    • Suggests a need for increased vigilance for this rare but serious complication.