Longitudinal stent compression of everolimus-eluting stent
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Introduction:
Second generation drug eluting stents have shown better safety and efficacy in comparison to first generation DES, because of thinner struts, nondurable polymers and coating with better anti-proliferative drugs. A change in stent platform from stainless steel to cobalt alloy and a change in stent design have improved the performance of newer DES in terms of trackability, deliverability, conformability, flexibility and radio-opacity. However, these thin-strut stent have a downside of poor longitudinal axial strength, resulting into a newly described observation of “longitudinal stent compression (LSC)”. We hereby report two cases of LSC with everolimus-eluting PROMUS Element stent.

Case
A 62-year-old hypertensive male presented with acute anterior wall myocardial infarction (MI) in July 2012. He underwent primary angioplasty and stenting of mid left anterior descending (LAD) artery. Five days later, he had elective percutaneous coronary angioplasty (PCI) of right coronary artery (RCA). The dominant mid RCA showed a 90% type C, eccentric, calcified lesion.....

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3761185/
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