Does harvesting of an internal thoracic artery with an ultrasonic scalpel have an effect on sternal perfusion?

OBJECTIVES: Despite many animal and clinical studies to date, there is still debate on the effect of internal thoracic artery harvesting on postoperative sternal perfusion and thus healing. We performed a prospective clinical study to assess the postoperative sternal perfusion in patients who underwent surgical coronary revascularization by means of unilateral internal thoracic artery harvesting and to evaluate the effect of 2 harvesting methods, namely electrocautery and use of an ultrasonic scalpel. METHODS: Between November 2004 and March 2005, 30 consecutive patients (25 male patients; age, 58.34 +/- 9.42 years; mean New York Heart Association class, 1.90 +/- 0.76) scheduled for conventional coronary surgery were enrolled in this study.

After obtaining informed consent, they were randomized into 2 groups. The left internal thoracic artery was harvested as a pedicle graft in all patients by using the corresponding method. All patients underwent 99mTc-methylene diphosphonate bone ... more.

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