Frequency, predictors and outcome of stent fracture after sirolimus-eluting stent implantation

Impact of Coronary Stent Fracture on Restenotic Neointimal Tissue Characterization After Drug-Eluting Stent Implantation

“…14,23) Several studies have demonstrated that sirolimus-eluting stents are more likely to cause SF because of the closed-cell design and the stainless steel material with low flexibility and conformability. 24) Furthermore, it has been reported that overlap stenting and longer stent length are associated with SF.…”

“…SF was defined as complete or partial separation of stent segments observed using plain fluoroscopy without contrast injection or IVUS. 14,15) SF was classified as grade I to V: I = involving a single-strut fracture; II = 2 or more strut fractures without deformation; III = 2 or more strut fractures with deformation; IV = multiple strut fractures with acquired transection but without a gap; and V = multiple strut fractures with acquired transection with a gap in the stent body. 16) Angiographic diagnosis of SF required an independent view and the agreement of 2 independent cardiologists.…”

Complications of Coronary Intervention

“….7% of cases. [1][2][3][4][5][6][7][8] However, because of limited sensitivity of angiography to detect fracture, its true incidence is still unknown. In a recent report analyzed from autopsy findings, stent fracture was observed in 29% of total patients.…”

Effects of material, coating, design and plaque composition on stent deployment inside a stenotic artery—Finite element simulation

“…It was also frequently reported that stent failure might happen at any time, which can cause thrombosis, restenosis, pain and other clinical complications in patients (Kim et al, 2009;Umeda et al, 2009;Celik et al, 2009). If diagnosed with stent failure, patients will need to undergo further surgery to remove the failed stent and implant a new one to solve the problem.…”