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Ann Thorac Surg 2002;73:511-515
© 2002 The Society of Thoracic Surgeons

Original article: cardiovascular

Feasibility and suitability of the routine use of bilateral internal thoracic arteries

Takashi Hirotani, MD*a, Shogo Shirota, MDa, Yasunori Cho, MDa, Shigeyuki Takeuchi, MDa

a Department of Cardiovascular Surgery, Tokyo Saiseikai Central Hospital, Tokyo, Japan

Accepted for publication November 6, 2001.

* Address reprints requests to Dr Hirotani, Department of Cardiovascular Surgery, Tokyo Saiseikai Central Hospital, 1-4-17 Mita, Minato-ku, Tokyo 108-0073, Japan
e-mail: hero.takashi{at}nifty.ne.jp

Background. It has been demonstrated that bilateral use of internal thoracic arteries (ITAs) confers better long-term results in patients than does unilateral use. However, routine use of bilateral ITAs has usually been avoided.

Methods. Since 1997, we have used bilateral ITAs extensively for patients who required multivessel bypasses. Recently, 243 consecutive patients, including 127 diabetic patients, were reviewed.

Results. Every patient received at least one ITA graft, and 200 patients (82%) received bilateral ITAs. The majority (93%) of ITA grafts were used as in situ grafts. The hospital mortality rate was 0.41%, and deep sternal infections were observed in 5 patients (2.0%). There was no difference in the incidence of chest wound infection between the group treated with bilateral ITA grafting and that treated by unilateral ITA grafting.

Conclusions. These observations suggest that ITAs can be used bilaterally for treatment in the majority of patients who require multivessel bypass, with low mortality and morbidity.




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