Publications by authors named "Xavier Armoiry"

Background: Extracorporeal cardiopulmonary resuscitation (ECPR) is a potential intervention for refractory in-hospital cardiac arrest (IHCA). This study aimed to evaluate the outcomes of ECPR in patients with refractory IHCA at a university-affiliated tertiary care center.

Methods: We performed a retrospective, observational analysis of an institutional database of adult patients who received ECPR for refractory IHCA from January 2007 to December 2023.

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In France, the short-stay activities of public and private sector healthcare facilities have been financed since 2004 by activity-based pricing (T2A). The principle is to allow for payment determined primarily by the nature and volume of activities. T2A has enabled a major transformation compared to the old financing system, chiefly for public sector facilities that used to operate under a general allocation, and convergence between payment methods in the public and private sectors.

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Objectives: To evaluate the cost-effectiveness of percutaneous repair (PR) for secondary mitral regurgitation.

Design: An economic evaluation using a time-varying Markov model comprising three states to assess the cost and effectiveness of PR added to guideline-directed medical treatment (GDMT) compared with GDMT alone. Clinical outcomes considered within the model were overall survival and heart failure (HF) hospitalisations (HFH), and the incremental cost-effectiveness ratio (ICER) was calculated.

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The medical technology sector is characterised by a constant influx of innovations with the potential to revolutionise patient care. In France, there are several pathways for medical devices to enter the market, from diagnosis-related group tariffs to reimbursement lists. However, traditional regulatory pathways can delay market access for innovative technologies.

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Objectives: Left atrial appendage occlusion during cardiac surgery is a therapeutic option for stroke prevention in patients with atrial fibrillation. The effectiveness and safety of left atrial appendage occlusion have been evaluated in several studies, including the LAAOS-III trial. While these studies have demonstrated efficacy and safety, the long-term economic impact of this surgical technique has not yet been assessed.

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Article Synopsis
  • The RESECT study aimed to evaluate the effectiveness of 5-aminolevulinic acid (5-ALA) fluorescence-guided surgery (FGS) compared to conventional white-light microsurgery for glioblastoma resection in a randomized trial across 21 French neurosurgical centers.
  • The study involved 171 patients, with those receiving 5-ALA showing a significantly higher rate of gross-total resection (GTR) at 79.1% compared to 47.8% in the placebo group.
  • Despite differences in surgical success, both groups reported similar postoperative performance scores, indicating that while 5-ALA improved resection rates, it did not significantly affect overall recovery in terms of the Karnof
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Objectives: To analyze the incidence, clinical impact on survival, and risk factors of lower limb ischemia (LLI) of surgical peripheral femoral venoarterial extracorporeal membrane oxygenation (VA ECMO) in the current era.

Design: A retrospective analysis of the authors' institutional database of VA ECMO was performed. Patients were divided into 2 groups according to the occurrence of LLI.

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Objective: To review the survival modelling used in cost-effectiveness studies evaluating an interventional procedure and to discuss implications for decision-makers.

Design: A case study of three economic evaluations that each used immature data from the EVEREST II High Surgical Risk (HSR) Study of transcatheter edge-to-edge repair (TEER) for patients with severe mitral regurgitation (MR) who were at high risk of surgery.

Setting: Estimation of patient survival in cost-effectiveness studies.

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This guideline has been written on behalf of the International Council for Standardisation in Haematology (ICSH) and focuses on two point of care haematology tests used within primary care, namely International Normalised Ratio (INR) and D-dimer. Primary care covers out of hospital settings and can include General Practice (GP), Pharmacy and other non-hospital settings (although these guidelines would also be applicable to hospital out-patient settings). The recommendations are based on published data in peer reviewed literature and expert opinion; they should supplement regional requirements, regulations or standards.

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When updated clinical trial data becomes available reassessing the cost-effectiveness of technologies may modify estimates and influence decision-making. We investigated the impact of updated trial outcomes on the cost-effectiveness of percutaneous mitral repair (PR) for secondary mitral regurgitation. We updated our previous three-state time-varying Markov model to assess the cost-effectiveness of PR + guideline directed medical treatment (GDMT) versus GDMT alone.

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Objectives: Whether the effects of therapies may wane over time is a matter of debate, especially when considering their long-term cost-effectiveness. Here, we examined how the assumption of the waning of treatment effect was applied across the National Institute for Health and Care Excellence (NICE) appraisals for disease-modifying therapies (DMTs) used in multiple sclerosis.

Methods: We undertook a document analysis following a search of the NICE website.

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Article Synopsis
  • - The significance of real-world data (RWD) in health technology assessments is increasing, as advancements in connected devices and data collection methods allow for better insights into treatment effects, potentially surpassing traditional clinical trial data in relevance.
  • - A round table of experts aimed to clarify the current role of RWD by identifying its main purposes, evaluation timing, and the stakeholders involved in RWD studies.
  • - The discussion concluded with six recommendations to enhance the application of RWD in health technology assessment and decision-making processes.
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Background: Differences in procedural success rates have been proposed to explain the divergent results between the MITRA-FR trial (Percutaneous Repair with the MitraClip Device for Severe Functional/Secondary Mitral Regurgitation) and the COAPT trial (Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for Heart Failure Patients with Functional Mitral Regurgitation).

Aim: To examine whether MITRA-FR patients who had successful clip implantation achieved a better outcome than the control group.

Methods: Based on the per protocol population of MITRA-FR, we compared the outcome in 71 patients in whom optimal clip implantation was achieved (group 1: mitral regurgitation grade ≤ 1 + at discharge) with that in 23 patients with non-optimal clip implantation (group 2: mitral regurgitation grade ≥ 2 + at discharge) and that in 137 patients in the control group (group 3).

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Article Synopsis
  • Severe primary graft dysfunction is a major cause of death within 30 days after heart transplantation, and this study evaluates the use of venoarterial extracorporeal membrane oxygenation (VA-ECMO) in these cases.
  • Out of 397 heart transplant patients studied, 15.1% experienced severe primary graft dysfunction needing VA-ECMO, with a significant portion (53.3%) surviving to discharge.
  • Key factors influencing in-hospital mortality included pre-transplant inotropic support, total ischemic time, and blood transfusion within 48 hours, indicating areas for improving patient outcomes.
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Background: In the MITRA-FR trial, transcatheter mitral valve repair (TMVR) was not associated with a 2-year clinical benefit in patients with secondary mitral regurgitation (SMR).

Aims: This landmark analysis aimed at investigating a potential reduction of the hospitalisation rate for heart failure (HF) between 12 and 24 months after inclusion in the MITRA-FR trial in patients randomised to the intervention group (TMVR with the MitraClip device), as compared with patients randomised to the control group (guideline-directed medical therapy [GDMT]).

Methods: The MITRA-FR trial randomised 307 patients with SMR for TMVR on top of GDMT (TMVR group; n=152) or for GDMT alone (control group; n=155).

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Background And Aim Of The Study: Acute cardiovascular failure remains a leading cause of death in severe poisonings. Veno-arterial extracorporeal membrane oxygenation (VA-ECMO) has been increasingly used as a rescue therapeutic option for those cases refractory to optimal conventional treatment. We sought to evaluate the outcomes after VA-ECMO used for drug intoxications in a single-center experience.

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Background: Percutaneous mitral valve repair (pMVR) is reimbursed in France for severe secondary mitral regurgitation (SMR), but French data regarding the hospitalization index stay are lacking.

Aims: Our objectives were to describe the index hospitalization stay and to evaluate the cost of hospital stay for pMVR used in SMR.

Methods: A secondary evaluation based on patients who were randomized to the intervention group of the MITRA-FR study was undertaken.

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Introduction: Given the complexity of the therapeutic management of irritable bowel syndrome (IBS), alternative non-pharmacological therapies are frequently offered to patients. The aim of this study was to conduct a systematic review in order to establish the current evidence base for non-pharmacological interventions (body-directed and mind-body therapies) in the management of IBS.

Materials And Methods: The literature was searched in several electronic databases (PubMed (including Medline), Web of Science (Clarivate Analytics), Scopus (Elsevier), ScienceDirect (Elsevier), Cochrane Library (Wiley), and Wiley Online Library (Wiley)) for randomized controlled trials (RCTs) published in the English language from 1990 to 2020.

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Objective: To analyze the impact of the modification of the authors' institutional protocol on outcomes after extracorporeal cardiopulmonary resuscitation (ECPR) for out-of-hospital cardiac arrest (OHCA).

Design: An observational analysis. The protocol complied with national recommendations.

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