Background: Several studies suggest that stent fracture may represent a new potential mechanism of restenosis and stent thrombosis in Sirolimus-eluting stent (SES). However, long-term follow-up result after documentation of stent fracture is unknown. Methods: Clinical records and angiographic films of 19 patients with 23 fractured stents who had been followed up at least 1 year after documentation of SES fracture were analyzed. Results: Mean follow-up period was 615짹223 days. At initial detection time, restenosis rate was 21.7 % (5 out of 23 stents) and myocardial infarction or stent thrombosis was not observed. Afterwards, two patients (10.5%) developed myocardial infarction related with very late stent thrombosis. Target lesion revascularization was done in three (15.8%) patients including two patients with stent thrombosis, however, no cardiac death was developed up to now. Second follow-up angiography was done in 13 patients. Two (out of 15 stents, 13.3%) newly developed restenotic lesions was observed. Conclusion: Stent fracture may be another cause of very late stent thrombosis and late developing neointimal hyperplasia in patients who underwent SES implantation.