Publications by authors named "Pierre B"

Background: Familial Mediterranean fever (FMF) is the most common monogenic autoinflammatory disease, associated with MEFV mutations. FMF patients can experience liver involvement, potentially leading to cirrhosis.

Objectives: This study aimed to evaluate liver involvement in FMF patients at a French tertiary centre for adult FMF.

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Many communities in southwestern Madagascar rely on a mix of foraging, fishing, farming, and herding, with cattle central to local cultures, rituals, and intergenerational wealth transfer. Today these livelihoods are critically threatened by the intensifying effects of climate change and biodiversity loss. Improved understanding of ancient community-environment dynamics can help identify pathways to livelihood sustainability.

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  • A 49-year-old man had a substernal lead removed 2.5 years after it was implanted.
  • The case report outlines the procedure's workflow and the experiences during the removal.
  • This documentation highlights insights gained from the surgical process.
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Introduction: Coronary heart disease remains one of the leading causes of morbidity and mortality, and is responsible for significant social costs. Resumption of work is an essential objective when this pathology concerns working patients. French data remain patchy and relatively old.

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Aims: In complete atrioventricular block (AVB) with underlying sinus rhythm, it is recommended to implant a dual-chamber pacemaker rather than a single-chamber pacemaker. However, no large-scale study has been able to demonstrate the superiority of this choice on hard clinical criteria such as morbimortality.

Methods And Results: This retrospective observational study included all patients who received a primary pacemaker implantation in the indication of complete AVB with underlying sinus rhythm in France, based on the national administrative database between January 2013 and December 2022.

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  • Pulsed field ablation (PFA) is a new method for treating atrial fibrillation (AF) that focuses on ablating heart tissue while minimizing harm to nearby structures.
  • In the MANIFEST-17K study, data from 106 centers involved 17,642 patients and showed no serious complications like esophageal damage, with only a 1% major complication rate.
  • The results suggest that PFA has a strong safety profile and may change how AF is treated, compared to traditional thermal ablation methods.
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Background: Electrocardiographic screening before subcutaneous implantable cardioverter-defibrillator (S-ICD) implantation is unsuccessful in around 10% of cases. A personalized screening method, by slightly moving the electrodes, to obtain a better R/T ratio has been described to overcome traditional screening failure.

Objective: The objectives of the SIS study were to assess to what extent a personalized screening method improves eligibility for S-ICD implantation and to evaluate the inappropriate shock rate after such screening success.

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In this study, the insertion of fluorine into LiFePO was carried out under molecular fluorine F at different temperatures. The reactivity strongly depends on the applied fluorination temperature, leading to very different products: core delithiation of the material is observed at low temperatures with the formation of a LiF shell around particles, while the material decomposes to gradually form a mixture of α-FeF and α-LiFeF iron fluorides at higher temperatures. A second thermal treatment under N leads to the formation of LiFePOF in a new way that has not been reported before.

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Loss-of-function mutations in the PKP2 gene are associated with arrhythmogenic right ventricular cardiomyopathy (ARVC), a rare cardiac disease associated with a poor prognosis. The search for therapeutics and a better understanding of the molecular mechanisms of the disease require the development of cellular modelling. Using CRISPR/Cas9, we generated a hiPSC line with heterozygous 7-bp deletion in exon 10 of PKP2 (p.

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Aims: Heart failure (HF) is a chronic disease affecting 64 million people worldwide and places a severe burden on society because of its mortality, numerous re-hospitalizations and associated costs. HeartLogic™ is an algorithm programmed into implanted devices incorporating several biometric parameters which aims to predict HF episodes. It provides an index which can be monitored remotely, allowing pre-emptive treatment of congestion to prevent acute decompensation.

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  • This study aimed to compare patient outcomes after undergoing left atrial appendage occlusion (LAAO) versus those who did not have the procedure, focusing on patients with atrial fibrillation (AF) from a national database.
  • After matching 1216 patients who received LAAO with 1216 controls, results showed that those with LAAO had significantly lower rates of major clinical events (ischemic stroke, major bleeding, or death) overall, although they had a higher risk of ischemic stroke specifically.
  • The findings suggest that while LAAO is effective in reducing the risk of death, it is less effective for stroke prevention, especially in patients with a history of stroke or bleeding issues.
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  • The study investigates the effectiveness of adaptive cardiac resynchronisation therapy (CRT) compared to conventional CRT in patients with heart failure and left bundle branch block, aiming to see if adaptive CRT provides better outcomes.
  • Conducted across 227 hospitals in 27 countries, the trial involved 3,797 patients who were randomized into two treatment groups, focusing on primary outcomes related to all-cause death and heart failure interventions.
  • The trial was halted early due to crossing the futility boundary, indicating that adaptive CRT did not demonstrate a significant benefit compared to conventional CRT after analyzing the data.
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  • Very few studies have explored the effectiveness of subcutaneous implantable cardioverter-defibrillators (S-ICDs) in patients with congenital heart disease (CHD), which this research aims to address.
  • In a French cohort study of 4,924 patients implanted with an S-ICD, only 101 were found to have CHD, often presenting at a younger age and more often for secondary prevention compared to non-CHD patients.
  • The study found that while patients with CHD had a higher crude risk of receiving appropriate shocks from their S-ICD, this risk was not significant after adjusting for other factors, indicating that complications and inappropriate shocks were similar across both patient groups.
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Targeting malaria interventions in elimination settings where transmission is heterogeneous is essential to ensure the efficient use of resources. Identifying the most important risk factors among persons experiencing a range of exposure can facilitate such targeting. A cross-sectional household survey was conducted in Artibonite, Haiti, to identify and characterize spatial clustering of malaria infections.

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Background: Fat layers in obese patients can impair R-wave detection and diagnostic performance of a subcutaneous insertable cardiac monitor (ICM). We compared safety and ICM sensing quality between obese patients [body mass index (BMI) ≥ 30 kg/m] and normal-weight controls (BMI <30 kg/m) in terms of R-wave amplitude and time in noise mode (noise burden) detected by a long-sensing-vector ICM.

Materials And Methods: Patients from two multicentre, non-randomized clinical registries are included in the present analysis on January 31, 2022 (data freeze), if the follow-up period was at least 90 days after ICM insertion, including daily remote monitoring.

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Background: Insertable cardiac monitors (ICMs) are increasingly used for cardiac rhythm diagnosis with expanding indications. Little has been reported about their use and efficacy.

Objective: The study sought to evaluate the clinical utility of a novel ICM (Biotronik BIOMONITOR III) including the time to diagnosis in unselected patients with different ICM indications.

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Unlabelled: We registered 1336 incident-validated fractures in a prospective cohort of 3560 postmenopausal (60-85 years) Belgian women (mean follow-up of 9.1 years). The increase of fracture incidence with age varied widely depending on the fracture site and was significantly steeper for central than for peripheral fractures (e.

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  • - This study focuses on patients with repaired tetralogy of Fallot, particularly examining characteristics of those experiencing rapid ventricular tachycardia (VT) and the potential progression from nonrapid VT to rapid VT or ventricular fibrillation (VF).
  • - Researchers analyzed data from a nationwide registry and found that out of 144 patients, 61 experienced VT or VF episodes, with 28 classified as rapid, revealing distinct clinical differences between the rapid and nonrapid groups, such as age at implantation and cardiac history.
  • - The study concludes that patients with rapid VT/VF show specific clinical traits, and the consistent VT cycle lengths over time may indicate a chance for catheter ablation without needing an implantable cardioverter-defibrillator (
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Background: Women with congenital heart disease at high risk for sudden cardiac death have been poorly studied thus far.

Objectives: The aim of this study was to assess sex-related differences in patients with tetralogy of Fallot (TOF) and implantable cardioverter-defibrillators (ICDs).

Methods: Data were analyzed from the DAI-T4F (French National Registry of Patients With Tetralogy of Fallot and Implantable Cardioverter Defibrillator) cohort study, which has prospectively enrolled all patients with TOF with ICDs in France since 2010.

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Background Leadless ventricular permanent pacemakers (leadless VVI or LPM) were designed to reduce lead-related complications of conventional VVI pacemakers (CPM). The aim of our study was to assess and compare real-life clinical outcomes within the first 30 days and during a midterm follow-up with the 2 techniques. Methods and Results This French longitudinal cohort study was based on the national hospitalization database.

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Objective: To describe an arthroscopic technique for giant meniscal cyst excision with preservation of the functional meniscus, report the short- and medium-term outcomes, and assess magnetic resonance imaging (MRI) for follow-up imaging evaluations.

Methods: A total of 54 consecutive patients with symptomatic meniscal cysts were admitted to the Second Xiangya Hospital of Central South University between 2014 and 2019. Nine patients with giant meniscus cysts (six females and three males) were included in this study.

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Background: Insertable cardiac monitors (ICMs) require an invasive procedure and are used for purely diagnostic purposes. Therefore, simplicity of the insertion procedure, low complication rate, long-term patient acceptance, sensing quality, and reliable remote monitoring are of great importance.

Objective: To evaluate a novel ICM (BIOMONITOR III) regarding all these aspects.

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