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Background/Objectives: Despite progress in secondary prevention, people with chronic coronary syndrome (CCS) still face a residual risk of ischemic events. Antithrombotic therapy reduces this risk and helps stabilize chronic cardiovascular disease. Studies have shown that combining low-dose rivaroxaban with aspirin—an approach called dual-pathway inhibition (DPI)—can lower this risk and reduce major adverse cardiovascular events (MACEs). However, researchers have not yet gathered enough real-world data to confirm the efficacy and safety of this strategy. The DUTCH CCS registry aims to collect real-world data on how effective and safe low-dose rivaroxaban combined with aspirin is for patients with CCS in The Netherlands. The study aims to provide insights into the outcomes, benefits, and risks of DPI in a real-world setting, beyond the scope of controlled clinical trials. Methods: The DUTCH CCS registry operates as a national, multicenter, prospective observational study. It enrolls 1000 patients with CCS who receive rivaroxaban (2.5 mg twice daily) and aspirin (80 mg or 100 mg once daily). The study targets individuals at high ischemic risk due to coronary artery disease (CAD) and follows a single-arm design. Researchers will measure the primary efficacy endpoint by tracking MACEs, clinically driven coronary, peripheral, or carotid revascularization, and stent thrombosis over one year. They will assess the primary safety endpoint by recording major bleeding events at one year. The team will collect data at both 3-month and 1-year follow-ups. Conclusions: As an observational study, this registry is not designed to establish causality. However, it seeks to improve our understanding of how DPI performs in real-world secondary prevention for CCS patients. The results may help update treatment guidelines and inform clinical decisions in everyday practice.

Up to 45% of patients who underwent percutaneous coronary intervention (PCI) may have a high bleeding risk (HBR), depending on the bleeding risk definition.1 This condition is often associated with an enhanced risk of thrombotic events with a negative impact on short- and long-term outcomes,2–8 making the choice of an appropriate antithrombotic regimen after PCI particularly challenging. Advances in stent technologies, in which the introduction of newer generations of thinner strut drug-eluting stents (DES), have significantly reduced the rate of thrombotic complications and may justify a shorter dual antiplatelet therapy (DAPT) duration. Both in vitro and in vivo studies have shown that local hemodynamic factors may critically affect the natural history of atherosclerosis. Strut thickness correlates with flow disturbances and endothelial shear stress. Flow separation within struts determines areas of recirculation with low endothelial shear stress which promotes local concentration of activated platelets.9 By mitigating inflammation, vessel injury, and neointimal proliferation, thin and streamlined struts have been associated with faster vascular healing and re-endothelization and have resulted in lower rates of thrombotic events after PCI.10,11 The use of thin strut and ultra-thin strut stents may lead to a favorable trade-off in bleeding and ischemic events in patients with HBR. However, dedicated studies evaluating the performance of thin strut versus ultrathin strut stents in patients with HBR are lacking.

Background Elderly patients with ST‐elevation myocardial infarction (STEMI) who undergo percutaneous coronary intervention (PCI) are usually excluded from major trials. Hyopthesis This study sought to assess 1‐year clinical outcomes following PCI with a drug‐eluting stent in patients older than 80 years old with STEMI. Methods The large all‐comer, multicontinental e‐ULTIMASTER registry included 7507 patients with STEMI who underwent PCI using the Ultimaster stent. The primary clinical endpoint was 1‐year target lesion failure, a composite of cardiac death (CD), target vessel‐related myocardial infarction (TV‐MI), or clinically driven target lesion revascularization (CD‐TLR). Results There were 457 (6.1%) patients in the elderly group (≥80 years old) that were compared to 7050 (93.9%) patients <80 years. The elderly patients included more female patients and had significantly more comorbidities and had more complex coronary anatomy. The primary endpoint occurred in 7.2% of the elderly, compared to 3.1% of the younger group (p < .001). All‐cause mortality was significantly higher among the elderly group compared to the younger group (10.1% vs. 2.3%, p < .0001), as well as CD (6.1% vs. 1.6%, p < .0001), but not TV‐MI (1.1% vs. 0.7%, p = .34) or CD‐TLR (1.1% vs. 1.4%, p = .63). Conclusion Elderly patients with STEMI presentation had a higher incidence of the composite endpoint than younger patients. All‐cause and CD were higher for elderly patients compared to patients younger than 80 years old. However, there was no difference in the incidence of TV‐MI or target lesion revascularizations. These findings suggest that PCI for STEMI in elderly patients is relatively safe.

Abstract Background Multisite artery disease is considered a ‘malignant’ type of atherosclerotic disease associated with an increased cardiovascular risk, but the impact of multisite artery disease on clinical outcomes after percutaneous coronary intervention (PCI) is unknown. Methods Patients enrolled in the large, prospective e-Ultimaster study were grouped into (1) those without known prior vascular disease, (2) those with known single-territory vascular disease, and (3) those with known two to three territories (i.e coronary, cerebrovascular, or peripheral) vascular disease (multisite artery disease). The primary outcome was coronary target lesion failure (TLF), defined as the composite of cardiac death, target vessel-related myocardial infarction, and clinically driven target lesion revascularization at 1-year. Inverse propensity score weighted (IPSW) analysis was performed to address differences in baseline patient and lesion characteristics. Results Of the 37 198 patients included in the study, 62.3% had no prior known vascular disease, 32.6% had single-territory vascular disease, and 5.1% had multisite artery disease. Patients with known vascular disease were older and were more likely to be men and to have more co-morbidities. After IPSW, the TLF rate incrementally increased with the number of diseased vascular beds (3.16%, 4.44%, and 6.42% for no, single, and multisite artery disease, respectively, P < 0.01 for all comparisons). This was also true for all-cause death (2.22%, 3.28%, and 5.29%, P < 0.01 for all comparisons) and cardiac mortality (1.26%, 1.91%, and 3.62%, P ≤ 0.01 for all comparisons). Conclusions Patients with previously known vascular disease experienced an increased risk of adverse cardiovascular events and mortality post-PCI. This risk is highest among patients with multisite artery disease.   Trial Registration: URL: https://www.clinicaltrials.gov. Unique identifier: NCT02188355. Graphical Abstract Graphical Abstract Number of diseased arterial beds is a prognostic factor for a cardiac event after a percutaneous coronary intervention.