New evidence is emerging to contradict earlier claims that drug - eluting stents cause increased risks for patients , although nice ' s recent preliminary guidance was against their use in coronary artery disease 药物洗脱支架早前曾有药物洗脱支架会导致病人风险增加的说法, nice近期发布的初步指南也反对在冠状动脉疾病中使用药物洗脱支架,但已有新证据结论与此相反。