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Nine-month clinical outcomes in patients with diabetes treated with polymer-free sirolimus-eluting stents and 6‑month vs. 12‑month dual-antiplatelet therapy (DAPT)

Abstract : Background Diabetes mellitus is known to be associated with worse clinical outcomes in patients with coronary artery disease (CAD) undergoing percutaneous coronary interventions (PCI) with drug-eluting stents (DES). Defining the optimal duration of dual antiplatelet therapy (DAPT) after DES implantation is still under debate. The objective of this subgroup analysis of the all-comers ISAR 2000 registry was to assess the safety and efficacy of a short DAPT (<6 month) versus a longer DAPT (>6 month) in patients with diabetes electively treated with the polymer-free sirolimus-coated ultrathin strut drug-eluting stent (PF-SES). Methods Patients who received the PF-SES were investigated in a multicenter all-comers observational study. The primary endpoint was the 9‑month target lesion revascularization (TLR) rate, whereas secondary endpoints included the 9‑month major adverse cardiac event (MACE) and procedural success rates. Results In all, 167 patients were treated with DAPT for ≤6 months (S-DAPT group) and 350 patients underwent DAPT treatment for 12 months (L-DAPT group). There was no significant difference in the overall MACE rate (4.6% vs. 3.1%, p = 0.441), the 9‑month accumulated stent thrombosis rates (0.8% vs. 0.3%, p = 0.51), or the accumulated rate of bleeding complications (5.3% vs. 3.4%, p = 0.341). Conclusion PF-SES are safe and effective in daily clinical routine with low rates of TLR and MACE in patients with diabetes and stable disease. Our data suggest that extending the duration of DAPT beyond 6 months does not improve MACE or TLR at 9 months in patients with stable CAD (ClinicalTrials.gov Identifier NCT02629575).
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https://hal.umontpellier.fr/hal-02539028
Contributeur : Amandine Michel-Avella <>
Soumis le : jeudi 9 avril 2020 - 17:36:30
Dernière modification le : vendredi 15 mai 2020 - 12:22:05

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F. Krackhardt, M. Waliszewski, J. Rischner, C. Piot, M. Pansieri, et al.. Nine-month clinical outcomes in patients with diabetes treated with polymer-free sirolimus-eluting stents and 6‑month vs. 12‑month dual-antiplatelet therapy (DAPT). Herz, Springer Verlag, 2019, 44 (5), pp.433-439. ⟨10.1007/s00059-017-4675-x⟩. ⟨hal-02539028⟩

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