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作者试图通过本文的研究回答冠状动脉分流移植(CABG)和侧枝循环(CC)之间的有关问题:CABG 通畅是否导致CC 退化和消失?CC 的消失是CABG 通畅的一种很可靠的指征吗?术后CC 持续存在或发生新的CC 是否表示CABG 阻塞?
The authors attempt to answer the question about the relationship between coronary artery bypass grafting (CABG) and collateral circulation (CC) through this study: does CABG patency lead to CC regression and disappearance? Is disappearance of CC a very reliable indication of CABG patency? Postoperative CC persists or occurs Does a new CC indicate CABG obstruction?