Internal thoracic artery grafts for the entire heart at a mean of 12 years |
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Authors: | Sauvage Lester R Rosenfeld Joshua G Roby Paul V Gartman David M Hammond William P Fisher Lloyd D |
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Affiliation: | The Hope Heart Institute, Seattle, Washington 98122, USA. lsauvage@hopeheart.org |
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Abstract: | BACKGROUND: There is consensus today that the long-term results of bypassing the left anterior descending artery with an internal thoracic artery (ITA) graft are superior to those of a saphenous vein graft. Our hypothesis for this study was that three-vessel revascularization with only ITA grafts would also give excellent results. METHODS: Using our previously described techniques to enhance the length of ITA grafts by skeletonization and high mediastinal mobilization, we were able to perform tension-free, three-vessel revascularization using only ITA grafts in 125 (83%) of a consecutive series of 150 patients with three-vessel occlusive coronary disease. We followed 100% of these 125 exclusive ITA graft patients (average of 3.9 anastomoses per patient) to their time of death (59; 47.2%) or current living status (66; 52.8%). RESULTS: Combined intraoperative graft flows averaged 225 mL/min. Of the 125 patients in this study (average age, 63.5 years), 121 (96.8%) lived beyond 40 days. Of these 121 patients, 55 (45%) died at a mean of 7 years postoperatively and 66 (55%) are still living at a mean of 12.1 years. Of these 121 patients, 112 (93%) had angina at baseline. Of these 112, 92 (85%) were angina free at a mean of 9.1 years postoperatively. Freedom from infarction was 100% at 5 years and 97% at 10 years. Freedom from reintervention was 90% at a mean of 9.8 years. CONCLUSIONS: Use of ITA grafts for three-vessel coronary revascularization provides excellent results and is both practical and appropriate for many patients. |
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Keywords: | 23 |
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