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  • Title: Impact of Tirofiban on Serum Troponin Changes in Patients Undergoing Carotid Artery Stenting: A Propensity Matched Analysis.
    Author: Corcione N, Pepe M, Ferraro P, Morello A, Conte S, Avellino R, Cavarretta E, Carulli E, Biondi-Zoccai G, Giordano A.
    Journal: Ann Vasc Surg; 2020 Apr; 64():151-156.e2. PubMed ID: 31629846.
    Abstract:
    BACKGROUND: The optional periprocedural antithrombotic management for carotid artery stenting (CAS) is still debated. METHODS: We aimed to compare the procedural and 1-month outlook of patients undergoing CAS with tirofiban as parenteral antiplatelet therapy. We retrospectively compared patients receiving tirofiban during CAS versus those undergoing CAS without tirofiban, using propensity score matching. Ancillary antithrombotic therapy included in all patients aspirin, clopidogrel, and unfractioned heparin. The primary outcome was the change in serum troponin from baseline to postprocedural peak levels. A total of 30 patients undergoing CAS were included, 15 receiving tirofiban on top of heparin and dual oral antiplatelet therapy (DAPT) and 15 receiving only heparin and DAPT. Bail-out use of tirofiban was an exclusion criterion. RESULTS: Baseline troponin was 3.00 (0.06; 5.20) ng/mL in the tirofiban group vs. 4.6 (0.02; 13.10) ng/mL in the no-tirofiban group (P = 0.229), and postprocedural peak 3.5 (0.06; 5.50) ng/mL vs. 6.30 (0.09; 28.40) ng/mL (P = 0.191). Peak-baseline difference in troponin was lower in the tirofiban group than in the no-tirofiban group: 0.3 (0.00; 1.7) ng/mL vs. 1.3 (0.01; 10.00) ng/mL (P = 0.044); the relative peak-baseline change in troponin was analogously different: 24.3% (0%; 44.7%) vs. 50% (21.3%; 80.0%) (P = 0.039). No case of death, myocardial infarction, stroke, or transient ischemic attack occurred during in-hospital stay or at 1-month follow-up. CONCLUSIONS: Tirofiban during CAS might provide periprocedural myocardial protection and reduce myocardial injury as determined by serial troponin measurements.
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