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Postoperative internal thoracic artery spasm after coronary artery bypass grafting

Ralf E Harskamp1, Jeffrey D McNeil, Margreet W van Ginkel

  • 1Division of Cardiothoracic Surgery, Department of Surgery, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229-3900, USA. r.e.harskamp@gmail.com

The Annals of Thoracic Surgery
|January 29, 2008
PubMed

Insights

Left internal thoracic artery spasm is a serious complication after coronary artery bypass grafting. Intra-arterial nitroglycerin and verapamil effectively treated this vasospasm in a recent case study.

Area of Science:

  • Cardiovascular Surgery
  • Vascular Physiology

Background:

  • Coronary artery bypass grafting (CABG) is a common surgical procedure.
  • Graft selection is crucial for long-term patency and patient outcomes.
  • Thoracic artery grafts are frequently used in CABG procedures.

Observation:

  • Perioperative spasm of the left internal thoracic artery (LITA) can occur after CABG.
  • This vasospasm is a potentially life-threatening complication.
  • Spasm is typically more common in radial artery grafts.

Findings:

  • A case of LITA graft spasm was successfully treated with intra-arterial nitroglycerin and verapamil.
  • This demonstrates the efficacy of specific vasodilators in managing LITA spasm.
  • LITA grafts, like radial artery grafts, are susceptible to vasospasm.

Implications:

  • Early recognition and prompt treatment of LITA spasm are essential.
  • Pharmacological management with vasodilators can resolve LITA graft spasm.
  • Understanding the propensity for vasospasm in LITA grafts can inform surgical technique and postoperative care.

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