Which of the following statements about patients treated by placement of an internal mammary artery (IMA) bypass graft at primary CABG is/are correct? | Surgery

A. The risk for morbidity and mortality from reoperative coronary bypass grafting is increased.
B. Left ventricular function is better preserved at the time of reoperation.
C. The risk of sternal wound complications is greatly increased if the contralateral IMA is harvested at the time of reoperation.
D. A light clamp should be applied to the IMA pedicle to limit cardiac warming during cardioplegic arrest at the time of reoperation.
E. A functional study demonstrating a large portion of myocardium at risk should be obtained before reoperation.

Ans: B,D,E