But physicians should be concerned that we've not solved the problem of late stent thrombosis.
但是内科医生应注意，我们还没有解决晚期支架血栓形成问题。
Attention has recently been focused on late stent thrombosis related to the use of drug-eluting stents.
但最近药物支架晚期血栓的问题倍受关注。
Late stent thrombosis, although a rare event affecting less than 1% of DES patients, is a medical emergency, with patients dying in up to 45% of cases.
支架后血栓是一种医学急性症状，尽管比较罕见，只影响不到1%的DES患者，但能够导致45%的患者死亡。
Methods and Results— Since January 2004, patients presenting with very late stent thrombosis (>1 year) after DES implantation underwent intravascular ultrasound.
方法和结果：从2004年1月起，将DES植入后发生较晚（>1年）发生支架血栓的病人进行血管内超声检查。
The Swedish Coronary Angiography and Angioplasty Registry (SCAAR) did, however, reveal a continuing risk of late stent thrombosis that does not diminish with time.
但是，这项瑞典冠状动脉血管造影及血管成形术注册研究(SCAAR)也显示，晚期支架血栓形成的风险持续存在，并没有随着时间的推移而减少。
The present study investigated differences of the stented segment between patients with and without very late stent thrombosis with the use of intravascular ultrasound.
本研究采用冠脉内超声来研究伴或不伴有支架内迟发血栓患者支架部分的差异。
Objectives: We sought to determine the risk of late stent thrombosis (st) during long-term follow-up beyond 3 years, searched for predictors, and assessed the impact of st on overall mortality.
研究目的：我们通过3年以上的长期随访，试图发现晚期发生的支架内血栓的危险因素，寻找预测因子，并且评估支架内血栓对总死亡率的影响。
Right now, we try to keep dual anti-platelet therapy going for up to one year in patients who have a drug-eluting stent because we are very concerned about the possibility of late-stent thrombosis.
目前，对于接受药物洗脱支架的患者，我们尝试维持双重抗血小板治疗在一年以上，因为我们非常关注晚期支架内血栓形成的可能性。
Right now, we try to keep dual anti-platelet therapy going for up to one year in patients who have a drug-eluting stent because we are very concerned about the possibility of late-stent thrombosis.
目前，对于接受药物洗脱支架的患者，我们尝试维持双重抗血小板治疗在一年以上，因为我们非常关注晚期支架内血栓形成的可能性。
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