CBS - The 17th Left Main & Coronary Bifurcation Summit, CBS2025

DAPT Duration

Dual Antithrombotic Therapy with Dabigatran after PCI in Atrial Fibrillation Ticagrelor plus aspirin for 1 month, followed by ticagrelor monotherapy for 23 months versus aspirin plus clopidogrel or ticagrelor for 12 months, followed by aspirin monotherapy for 12 months after implantation of a drug-eluting stent: a multicenter, open-label, randomized superiority trial Causes, Timing, and Impact of Dual Antiplatelet Therapy Interruption for Surgery (from the Patterns of Non-adherence to Anti-platelet Regimens In Stented Patients Registry) ACC/AHA Versus ESC Guidelines on Dual Antiplatelet Therapy JACC Guideline Comparison: JACC State-of-the-Art Review Benefit of switching dual antiplatelet therapy after acute coronary syndrome: the TOPIC (timing of platelet inhibition after acute coronary syndrome) randomized study Safety of six-month dual antiplatelet therapy after second-generation drug-eluting stent implantation: OPTIMA-C Randomised Clinical Trial and OCT Substudy 6- Versus 24-Month Dual Antiplatelet Therapy After Implantation of Drug-Eluting Stents in Patients Nonresistant to Aspirin Final Results of the ITALIC Trial (Is There a Life for DES After Discontinuation of Clopidogrel) Low-Dose Aspirin Discontinuation and Risk of Cardiovascular Events: A Swedish Nationwide, Population-Based Cohort Study Rationale and design of a prospective substudy of clinical endpoint adjudication processes within an investigator-reported randomised controlled trial in patients with coronary artery disease: the GLOBAL LEADERS Adjudication Sub-StudY (GLASSY) Dual-antiplatelet treatment beyond 1 year after drug-eluting stent implantation (ARCTIC-Interruption): a randomised trial

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Original Research2019 Apr 8;12(7):607-620.

JOURNAL：JACC Cardiovasc Interv. Article Link

Impact of Intravascular Ultrasound-Guided Percutaneous Coronary Intervention on Long-Term Clinical Outcomes in Patients Undergoing Complex Procedures

Choi KH, Song YB, Hahn JY et al. Keywords: angiography; complex lesion; intravascular ultrasound; outcomes; percutaneous coronary intervention

ABSTRACT

OBJECTIVES - This study sought to determine whether intravascular ultrasound (IVUS) guidance compared with angiographic guidance reduces long-term risk of cardiac death in patients undergoing complex percutaneous coronary intervention (PCI).

BACKGROUND - Although IVUS is a useful tool for accurate assessment of lesion profiles and optimal stent implantation, there are limited data on long-term clinical outcomes between IVUS-guided and angiography-guided PCI for patients with complex lesions.

METHODS - From March 2003 through December 2015, a total of 6,005 patients undergoing PCI for complex lesions with drug-eluting stents were enrolled from a prospective institutional registry. All enrolled subjects had at least 1 complex lesion (defined as bifurcation, chronic total occlusion, left main disease, long lesion, multivessel PCI, multiple stent implantation, in-stent restenosis, or heavily calcified lesion). Patients were classified according to use of IVUS or not. Multiple sensitivity analyses, including multivariable adjustment, propensity-score matching, and inverse-probability-weighted method, were performed to adjust baseline differences.

RESULTS - Among the study population, IVUS was used in 1,674 patients (27.9%) during complex PCI. The IVUS-guided PCI group had a significantly larger mean stent diameter (3.2 ± 0.4 vs. 3.0 ± 0.4; p < 0.001), and more frequent use of post-dilatation (49.0% vs. 17.9%; p < 0.001) compared with the angiography-guided PCI group. IVUS-guided PCI was associated with a significantly lower risk of cardiac death during 64 months of median follow-up compared with angiography-guided PCI (10.2% vs. 16.9%; hazard ratio: 0.573; 95% confidence interval: 0.460 to 0.714; p < 0.001). Results were consistent after multivariable regression, propensity-score matching, and inverse-probability-weighted method. The risks of all-cause death, myocardial infarction, stent thrombosis, ischemia-driven target lesion revascularization, and major adverse cardiac events were also significantly lower in the IVUS-guided PCI group.

CONCLUSIONS - Among patients with complex coronary artery lesion, IVUS-guided PCI was associated with the lower long-term risk of cardiac death and adverse cardiac events compared with angiography-guided PCI. Use of IVUS should be actively considered for complex PCI.

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Impact of Intravascular Ultrasound-Guided Percutaneous Coronary Intervention on Long-Term Clinical Outcomes in Patients Undergoing Complex Procedures

ABSTRACT