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  • Title: Antiplatelet therapy discontinuation following drug-eluting stent placement: dangers, reasons, and management recommendations.
    Author: Moussa ID, Colombo A.
    Journal: Catheter Cardiovasc Interv; 2009 Dec 01; 74(7):1047-54. PubMed ID: 19626692.
    Abstract:
    Drug-eluting stents (DES) have several advantages over bare-metal stents (BMS), including significantly lower target vessel revascularization. However, DES is associated with a higher incidence of late stent thrombosis (ST). Although late ST after DES placement is uncommon (approximately 0.4-0.6%/year), it is catastrophic clinical consequences make it a concern. Dual antiplatelet therapy (DAT) with aspirin and clopidogrel is the standard of care for prevention of ST, and DAT discontinuation is associated with a marked increase in ST risk. These guidelines recommend continuing DAT for > or = 12 months after DES implantation in patients not at high risk for bleeding. Premature DAT discontinuation is common in clinical practice. Therefore, it is imperative that physicians be aware of factors contributing to discontinuation, including cost, patient education, and actual bleeding events, so as to educate their patients about the risks and benefits of continued DAT. This review highlights the risks of premature DAT discontinuation, discusses common reasons for discontinuation, and offers potential solutions to improve adherence.
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