《循环》杂志提前在线刊物中的科学咨询也讨论了不同种类的支架，同时提到药物洗脱支架有利也有弊。

The Science Advisory, which appears in an advance online publication by the journal Circulation, also discusses different types of stents, noting that DES are both "good and bad".

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国际循环：目前对于无保护左主干病变，究竟是置入药物洗脱支架还是CABG治疗对患者获益更大还存在争议。

International Circulation: This leads into my next question. For patients with left main lesion or multi-vessel lesions, obviously there are different opinions on CABG or drug-eluting stents.

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