Publications by authors named "Morice M"

Background: Limited data exist on the impact of polyvascular disease (PolyVD) on clinical outcomes in female patients undergoing transcatheter aortic valve replacement (TAVR). We therefore sought to investigate clinical outcomes in women with versus without PolyVD undergoing TAVR.

Methods: Female participants from the multicentre Women's International Transcatheter Aortic Valve Implantation (WIN-TAVI) registry were categorized based on the presence or absence of PolyVD.

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Background: The incidence and prognostic impact of major bleeding (MB) after percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) for left main coronary artery disease (LMCAD) are unknown.

Objectives: The goal of this study was to investigate the rates and outcomes of MB after LMCAD revascularization.

Methods: In the EXCEL (Evaluation of XIENCE versus Coronary Artery Bypass Surgery for Effectiveness of Left Main Revascularization) trial, 1,905 patients with unprotected LMCAD were randomized to undergo PCI (n = 948) or CABG (n = 957) and followed up for 5 years.

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Background: Abbreviated antiplatelet therapy (APT) reduces bleeding without increasing ischemic events in largely unselected high bleeding risk (HBR) patients undergoing percutaneous coronary intervention (PCI). Diabetes mellitus (DM) is associated with higher ischemic risk, and its impact on the safety and effectiveness of abbreviated APT in HBR PCI patients remains unknown.

Objectives: This study sought to investigate the comparative effectiveness of abbreviated (1 month) vs standard (≥3 months) APT in HBR patients with and without DM after biodegradable polymer sirolimus-eluting coronary stent implantation.

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Article Synopsis
  • The LANDMARK trial compared the balloon-expandable Myval transcatheter heart valve (THV) series to the SAPIEN and Evolut THV series in 768 patients to evaluate safety and effectiveness.
  • Results showed that Myval achieved non-inferiority to SAPIEN (24.7% vs 24.1%) and Evolut (24.7% vs 30.0%) regarding a primary composite safety endpoint.
  • Additionally, while Myval had better pressure gradient metrics compared to SAPIEN, Evolut showed slightly higher rates of prosthetic valve regurgitation compared to Myval but no significant difference between Myval and SAPIEN.
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  • The study investigates the impact of baseline left ventricular ejection fraction (LVEF) on outcomes for women undergoing transcatheter aortic valve implantation (TAVI).
  • Among the 944 patients analyzed, most had preserved LVEF, but those with reduced LVEF experienced a higher incidence of safety issues at 1-year, including all-cause mortality and major vascular complications.
  • Overall, while reduced LVEF did not significantly affect efficacy outcomes, it was linked to a worse safety profile compared to those with preserved or mildly reduced LVEF.
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Background: The Valve Academic Research Consortium for High Bleeding Risk (VARC-HBR) has recently introduced a consensus document that outlines risk factors to identify high bleeding risk in patients undergoing transcatheter aortic valve replacement. The objective of the present study was to evaluate the prevalence and predictive value of the VARC-HBR definition in a contemporary, large-scale transcatheter aortic valve replacement population.

Methods: Multicenter study including 10 449 patients undergoing transcatheter aortic valve replacement.

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Background: For high bleeding-risk patients (HBR) undergoing percutaneous coronary intervention (PCI), the LEADERS FREE (LF) and LEADERS FREE II (LF II) trials established the safety and efficacy of a stainless steel polymer-free biolimus-coated stent (SS-BCS) with 30 days of dual antiplatelet treatment (DAPT). The LEADERS FREE III (LF III) trial investigated clinical outcomes after PCI with the next-generation cobalt-chromium thin-strut polymer-free biolimus-coated stent (CoCr-BCS) in HBR patients.

Aims: To report the final 3-year results of the LF III trial and compare them to LF II.

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Background: Transcatheter aortic valve implantation is an established, guideline-endorsed treatment for severe aortic stenosis. Precise sizing of the balloon-expandable Myval transcatheter heart valve (THV) series with the aortic annulus is facilitated by increasing its diameter in 1·5 mm increments, compared with the usual 3 mm increments in valve size. The LANDMARK trial aimed to show non-inferiority of the Myval THV series compared with the contemporary THVs Sapien Series (Edwards Lifesciences, Irvine, CA, USA) or Evolut Series (Medtronic, Minneapolis, MN, USA).

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Article Synopsis
  • The identification and management of patients at high bleeding risk (HBR) during transcatheter aortic valve implantation (TAVI) is critical, but inconsistent definitions complicate trials and clinical choices.
  • The Valve Academic Research Consortium for High Bleeding Risk (VARC-HBR) involves global experts aiming to create a standard definition for HBR patients based on extensive research.
  • This initiative, led by the Cardiovascular European Research Center (CERC), seeks to enhance the safety and effectiveness of TAVI interventions and improve future clinical guidelines.
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Background: Oncological patients with coronary artery disease face an elevated risk of hemorrhagic and ischemic events following percutaneous coronary intervention. Despite medical guidelines recommending minimal dual antiplatelet therapy (DAPT) duration for patients with cancer, dedicated data on abbreviated DAPT in this population is lacking. This study aims to evaluate the occurrence of ischemic and hemorrhagic events in patients with cancer compared with other high-bleeding risk individuals.

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  • A study was conducted to examine hospital readmissions and their outcomes after revascularization procedures (PCI and CABG) for left main coronary artery disease (LMCAD) in the EXCEL trial, involving 1,905 patients.
  • Results showed that within 5 years, nearly half of hospital survivors experienced readmissions, and the causes were split evenly between cardiovascular and noncardiovascular issues.
  • Factors like PCI treatment, female sex, and preexisting health conditions were found to be significant predictors of readmission, which was linked to increased mortality risk, notably higher in patients who underwent PCI compared to CABG.
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Background: In patients with distal bifurcation left main stem lesions requiring intervention, the European Bifurcation Club Left Main Coronary Stent Study trial found a non-significant difference in major adverse cardiac events (MACEs, composite of all-cause death, non-fatal myocardial infarction and target lesion revascularisation) favouring the stepwise provisional strategy, compared with the systematic dual stenting.

Aims: To estimate the 1-year cost-effectiveness of stepwise provisional versus systematic dual stenting strategies.

Methods: Costs in France and the UK, and MACE were calculated in both groups to estimate the incremental cost-effectiveness ratio (ICER).

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Article Synopsis
  • The DynamX™ bioadaptor is a new coronary implant that unlocks its frame after 6 months, aiming to provide the benefits of drug-eluting stents while restoring vessel function.
  • A trial involving 445 patients compared the bioadaptor to a zotarolimus-eluting stent across 34 hospitals in three countries, with an imaging subset for further assessment.
  • The bioadaptor showed similar safety and success rates compared to stents at 12 months but demonstrated better effectiveness in reducing late lumen loss and improving vessel compliance.
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Background: The risks of prefrail and frail women undergoing transcatheter aortic valve replacement (TAVR) have not been fully examined. The aim of the analysis was to assess the prognostic impact of prefrailty and frailty in women undergoing TAVR.

Methods: Women at intermediate or high surgical risk with severe aortic stenosis undergoing TAVR from the prospective multicentre WIN-TAVI (Women's International Transcatheter Aortic Valve Implantation) registry were stratified based on the number of Fried frailty criteria (weight loss, exhaustion, low physical activity, slow gait, weakness) met: nonfrail (no criteria), prefrail (1 or 2 criteria), or frail (3 or more criteria).

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Background: The impact of intracoronary imaging on outcomes, after provisional versus dual-stenting for bifurcation left main (LM) lesions, is unknown.

Objectives: We investigated the effect of intracoronary imaging in the EBC MAIN trial (European Bifurcation Club LM Coronary Stent study).

Methods: Four hundred and sixty-seven patients were randomized to dual-stenting or a stepwise provisional strategy.

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Backgrounds: The impact of reduced left ventricular ejection fraction (LVEF) on very long-term prognosis following percutaneous coronary intervention (PCI) or coronary artery bypass graft (CABG) has been debated. The aim of this study was to investigate the impact of LVEF at baseline on 10-year mortality in the SYNTAX trial.

Methods: Patients (n = 1800) were categorized into three sub-groups: reduced (rEF ≤ 40 %), mildly reduced (mrEF 41-49 %), and preserved LVEF (pEF ≥ 50 %).

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Background: For women undergoing drug-eluting stent (DES) implantation, the individual and combined impact of chronic kidney disease (CKD) and diabetes mellitus (DM) on outcomes is uncertain.

Aims: We sought to assess the impact of CKD and DM on prognosis in women after DES implantation.

Methods: We pooled patient-level data on women from 26 randomised controlled trials comparing stent types.

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Article Synopsis
  • * Finding the right balance of platelet inhibition based on individual patient factors and their specific heart conditions is a significant challenge for healthcare providers.
  • * The Academic Research Consortium is working to clarify the different methods of adjusting antiplatelet therapy (like de-escalation and escalation) and aims to standardize the terminology used in this field.
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Background: Drug-coated balloon (DCB) angioplasty with paclitaxel-eluting devices is an established treatment for coronary in-stent restenosis (ISR). Biolimus A9™ (BA9), a sirolimus analogue with enhanced lipophilicity, may facilitate enhanced local drug delivery into vascular tissue. A novel DCB coated with Biolimus A9™ represents an alternative to traditional paclitaxel- and sirolimus-coated devices.

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Despite the increasing proportion of female medical and nursing students, there is still a significant under-representation of women working as healthcare providers in interventional cardiology, with very few of them reaching senior leadership, academic positions, or acting principal investigators, as well as actively involved in company advisory boards. In this position paper, we will describe the current status of women working in interventional cardiology across Europe. We will also provide an overview of the most relevant determinants of the under-representation of women at each stage of the interventional cardiology career path and offer practical suggestions for overcoming these challenges.

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Early menopause is associated with an increased risk of cardiovascular diseases, including aortic stenosis (AS). We sought to investigate the prevalence and impact of early menopause on clinical outcomes in patients who underwent transcatheter aortic valve implantation (TAVI) for severe symptomatic AS. Women's International TAVI is a multinational, prospective, observational registry of women who underwent TAVI for severe symptomatic AS (n = 1,019).

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Background: The relative risks for different periprocedural major adverse events (MAE) after percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) on subsequent mortality have not been described.

Objectives: The aim of this study was to assess the association between periprocedural MAE occurring within 30 days postprocedure and early and late mortality after left main coronary artery revascularization by PCI and CABG.

Methods: In the EXCEL (Evaluation of XIENCE Versus Coronary Artery Bypass Surgery for Effectiveness of Left Main Revascularization) trial, patients with left main disease were randomized to PCI vs CABG.

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Background: Techniques for provisional and dual-stent left main bifurcation stenting require optimization.

Aim: To identify technical variables influencing procedural outcomes and periprocedural myocardial infarction following left main bifurcation intervention.

Methods: Procedural and outcome data were analyzed in 438 patients from the per-protocol cohort of the European Bifurcation Club Left Main Trial (EBC MAIN).

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Article Synopsis
  • - The study investigates whether using the novel sirolimus eluting balloon (SEB) along with provisional drug-eluting stents (DES) is as effective as using DES alone in preventing target vessel failure (TVF) after percutaneous coronary intervention (PCI) over a 5-year period.
  • - It is a multi-center, randomized trial that will enroll 3,326 patients across 50 sites in Europe and Asia, focusing on those with specific coronary conditions, while excluding certain high-risk cases.
  • - The trial will evaluate TVF rates and various outcomes, including bleeding events and cost-effectiveness, at multiple follow-up points, aiming to determine if the SEB strategy is at least as good as, or possibly
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