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Ann Thorac Surg 1999;68:2185-2189
© 1999 The Society of Thoracic Surgeons
a Departments of Department of Thoracic Surgery, Karolinska Hospital, Stockholm, Sweden
b Department of Thoracic Radiology, Karolinska Hospital, Stockholm, Sweden
c Department of Thoracic Anesthesiology, Karolinska Hospital, Stockholm, Sweden
Address reprint requests to Dr Liska, Department of Thoracic Surgery, Karolinska Hospital, S-171 76 Stockholm, Sweden
Background. Ostium patch angioplasty and reconstruction with an onlay patch consisting of pericardium or the saphenous vein is an alternative surgical technique for patients with proximal coronary artery stenosis. Previously described surgical techniques comprise anterior or posterior approaches. In this article we report our experience of using a segment of the proximal right internal mammary artery as an onlay patch for surgical angioplasty.
Methods. Between June 1997 and April 1999, 18 patients (9 men and 9 women) were subjected to surgical patch angioplasty of the left main coronary artery, 3 patients had an additional angioplasty performed on the proximal right coronary artery. The first 12 patients were operated with a posterior incision technique, and six subsequent patients by a new technique performed through an oblique incision into the left main stem after transsection of the ascending aorta.
Results. All patients had an uneventful postoperative course, and were fully rehabilitated without clinical symptoms of ischemic heart disease at mean follow-up of 10 months (range 1–23 months). Postoperative catheterization after six days showed excellent results with a widely open and funnel-shaped neoostium.
Conclusions. The use of a proximal segment of the right internal mammary artery as an onlay patch for reconstructing proximal coronary artery lesions is safe with no complications. Although the posterior approach may be used to obtain excellent results, transsection of the ascending aorta gives an optimal visualization and mobilization of the left main coronary artery when performing surgical angioplasty.
Related Article
Ann. Thorac. Surg. 1999 68: 2190.
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