Though the application of stent and dru-gelute stent has significantly decreased the rate of restenosis, it shows limited effect for many other patients, especially those concomitant with diabetes.

• 支架和药物涂层支架的应用虽然显著降低了再狭窄的发生率,但对许多患者尤其是合并糖尿病的冠心病患者,其效果依然不够理想。