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Ann Thorac Surg 2001;72:450-455
© 2001 The Society of Thoracic Surgeons

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Original article: cardiovascular

Purely internal thoracic artery grafts: outcomes

^a Midwest Heart Surgery Institute, St. Luke’s Medical Center, Milwaukee, Wisconsin, USA

Accepted for publication April 13, 2001.

Address reprint requests to Dr Tector, St. Luke’s Health Science Building, 2901 W Kinnickinnic River Parkway, Milwaukee, WI 53215
e-mail: tector{at}execpc.com

Background. Most of our patients with coronary artery disease have undergone bypass exclusively with purely internal thoracic artery grafts (PITA). Our goal has been to lengthen the time a patient benefits from coronary bypass operations. The present report describes an 8.5-year study of outcomes including mortality and the need for reintervention in patients who have undergone bypass with PITA.

Methods. We studied 897 patients who underwent PITA with a total of 3,784 internal thoracic artery (ITA) grafts (4.2 grafts per patient). Connecting ITA to ITA along with sequential anastomosis made the procedure possible.

Results. Early mortality for the group was 2.3%. Freedom from death was 86% and freedom from reintervention was 94% at 5 years after the operation.

Conclusions. The acceptable early and late mortality and the 94% freedom from reintervention as long as 8.5 years after operation in this group of patients inspire us to continue choosing PITA for patients with three-vessel coronary artery disease.

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