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  • Title: Long-term follow-up of contemporary drug-eluting stent implantation in diabetic patients: Subanalysis of a randomized controlled trial.
    Author: van Hemert ND, Voskuil M, Rozemeijer R, Kraaijeveld AO, Rittersma SZ, Leenders GEH, Stein M, Frambach P, van der Harst P, Agostoni P, Stella PR, ReCre8 Study Investigators.
    Journal: Catheter Cardiovasc Interv; 2023 Feb; 101(3):505-510. PubMed ID: 36651339.
    Abstract:
    OBJECTIVE: The elevated risk of adverse events following percutaneous coronary intervention in diabetic patients persists with newer-generation DES. The polymer-free amphilimus-eluting stent (PF-AES) possesses characteristics with a potentially enhanced performance in patients with diabetes. Data from the 1-year follow-up period has been previously published. The aim of this subanalysis was to assess long-term performance of two contemporary drug-eluting stents (DES) in a diabetic population. METHODS: In the ReCre8 trial, patients were stratified for diabetes and troponin status, and randomized to implantation of a permanent polymer zotarolimus-eluting stent (PP-ZES) or PF-AES. The primary endpoint was target-lesion failure (TLF), a composite of cardiac death, target-vessel myocardial infarction and target-lesion revascularization. Clinical outcomes between discharge and 3 years follow-up were assessed. RESULTS: A total of 302 patients with diabetes were included in this analysis. After 3 years, TLF occurred in 12.5% of PP-ZES patients versus 10.0% in PF-AES patients (p = 0.46). Similarly, the separate components of TLF were comparable between the two study arms. The secondary composite endpoint of NACE was higher in the PP-ZES arm with 45 cases (29.6%) versus 30 cases (20.0%) in the PF-AES arm (p = 0.036). In the insulin-dependent diabetic population, TLF occurred in 19.1% of PP-ZES patients versus 10.4% of PF-AES patients (p = 0.21). NACE occurred in 40.4% of PP-ZES patients versus 27.1% of PF-AES patients (p = 0.10). CONCLUSIONS: This subanalysis shows that the use of PF-AES results in similar clinical outcomes as compared to PP-ZES, yet some benefits of use of PF-AES in diabetic patients may prevail. Future dedicated trials should confirm these findings.
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