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Stent Thrombosis in New-Generation Drug-Eluting Stents in Patients With STEMI Undergoing Primary PCI
Uppsala Univ, Dept Med Sci, Uppsala, Sweden.;Uppsala Univ, Uppsala Clin Res Ctr, Uppsala, Sweden..
Uppsala Univ, Dept Med Sci, Uppsala, Sweden.;Uppsala Univ, Uppsala Clin Res Ctr, Uppsala, Sweden..
Umea Univ Hosp, Dept Cardiol, Ctr Heart, S-90185 Umea, Sweden..
Orebro University Hospital. Department of Cardiology.
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2014 (English)In: Journal of the American College of Cardiology, ISSN 0735-1097, E-ISSN 1558-3597, Vol. 64, no 1, 16-24 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Some concerns still have not been resolved about the long-term safety of drug-eluting stents (DES) in patients with acute STEMI.

OBJECTIVES: The aim of this study was to evaluate the stent thrombosis (ST) rate up to 3 years in patients with ST-segment elevation myocardial infarction (STEMI) treated by primary percutaneous coronary intervention (PCI) with new-generation drug-eluting stents (n-DES) compared with bare-metal stents (BMS) and old-generation drug-eluting stents (o-DES) enrolled in the SCAAR (Swedish Coronary Angiography and Angioplasty Registry).

METHODS: From January 2007 to January 2013, 34,147 patients with STEMI were treated by PCI with n-DES (n = 4,811), o-DES (n = 4,271), or BMS (n = 25,065). The risks of early/late (up to 1 year) and very late definite ST (after 1 year) were estimated.

RESULTS: Cox regression landmark analysis showed a significantly lower risk of early/late ST in patients treated with n-DES (hazard ratio [HR]: 0.65; 95% confidence interval [CI]: 0.43 to 0.99; p 0.04) and o-DES (HR: 0.60; 95% CI: 0.41 to 0.89; p = 0.01) compared with the BMS group. The risk of very late ST was similar between the n-DES and BMS groups (HR: 1.52; 95% CI: 0.78 to 2.98; p = 0.21), whereas a higher risk of very late ST was observed with o-DES compared with BMS (HR: 2.88; 95% CI: 1.70 to 4.89; p < 0.01).

CONCLUSIONS: Patients treated with n-DES have a lower risk of early/late ST than patients treated with BMS. The risk of very late ST is low and comparable between n-DES and BMS up to 3 years of follow-up, whereas o-DES treatment is associated with an increased risk of very late ST. The current STEMI guidelines might require an update in light of the results of this and other recent studies. (C) 2014 by the American College of Cardiology Foundation.

Place, publisher, year, edition, pages
Elsevier, 2014. Vol. 64, no 1, 16-24 p.
Keyword [en]
drug-eluting stent(s), percutaneous coronary intervention, ST-segment elevation myocardial infarction
National Category
Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:oru:diva-56712DOI: 10.1016/j.jacc.2014.04.022ISI: 000339337700003PubMedID: 24998123ScopusID: 2-s2.0-84903832892OAI: oai:DiVA.org:oru-56712DiVA: diva2:1083809
Available from: 2017-03-22 Created: 2017-03-22 Last updated: 2017-03-22Bibliographically approved

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CiteExportLink to record
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