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[Coronary spasm immediately following coronary revascularization].

K H Leitz1, N Tsilimingas, H Oster

  • 1Abteilung für Thorax-, Herz- und Gefässchirurgie, Zentralkrankenhaus Links der Weser, Bremen.

Zeitschrift Fur Kardiologie
|October 1, 1988
PubMed
Summary

Two patients experienced coronary artery spasm after cardiac surgery, affecting the inferior wall. Prompt treatment with calcium channel blockers successfully resolved the spasm, preventing myocardial infarction in one patient.

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Vascular Medicine

Background:

  • Coronary artery bypass grafting (CABG) is a common surgical procedure.
  • Ischemic reactions post-CABG can occur, necessitating prompt diagnosis and management.
  • Intraoperative manipulation of the right coronary artery may predispose to postoperative complications.

Observation:

  • Two cases of immediate postoperative inferior wall ischemic reactions were observed following 2,600 coronary operations.
  • Both patients had undergone dissection or revascularization of the right coronary artery.
  • Reangiography revealed right coronary artery spasm in both patients three hours post-surgery.

Findings:

  • Postoperative coronary artery spasm was diagnosed in two patients after right coronary artery manipulation.

Related Experiment Videos

  • Intracoronary calcium channel blocker administration effectively resolved the observed coronary artery spasm.
  • One patient developed a small inferior myocardial infarction, while the other remained free of infarction.

    • Implications:

    • Coronary artery spasm is a potential complication following cardiac surgery, particularly after right coronary artery intervention.
    • Early diagnosis via angiography and prompt treatment with intracoronary calcium channel blockers are crucial for managing postoperative coronary spasm.
    • Understanding the causes and therapeutic strategies for coronary spasm can improve patient outcomes after cardiac surgery.