Publications by authors named "Severac F"

Introduction: Transthyretin cardiac amyloidosis is a pathology increasingly encountered in all hospital departments, including internal medicine. The aim of our study is to describe the characteristics and care pathway of patients with transthyretin cardiac amyloidosis in internal medicine and to show that the number of patients diagnosed is increasing.

Methods: Descriptive, retrospective, non-interventional, single-center study at Strasbourg University Hospitals (HUS).

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Background: Glanzmann thrombasthenia (GT) is a very rare autosomal inherited bleeding disease affecting megakaryocyte lineage with impacts on oral health such as gingival bleeding, which requires specific management protocols. Very few clinical cases have been published in the dental and hematologic literature.

Objectives: This study focuses on a series of 21 patients affected specifically by GT and their hemorrhagic prophylaxis management with the use of recombinant activated factor VII (rFVIIa) for dental extractions and full-mouth debridement.

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  • The study aims to determine how rod characteristics, screw density, and cages affect mechanical complications in spinal surgeries compared to patient-related factors and alignment in adult spinal deformity cases.
  • Data from 302 patients was analyzed using different statistical models to measure outcomes like pseudarthrosis and screw loosening and understand the impact of surgical techniques versus patient demographics.
  • Key findings include that using four rods reduces the risk of pseudarthrosis, postoperative malalignment significantly increases the risk of complications, and high screw density leads to a lower risk of screw loosening, while age has a secondary impact on outcomes.
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  • - Patients with tachycardia-induced cardiomyopathy (TIC) show better left atrial (LA) health, evidenced by lower LA volume, higher voltage, and fewer low-voltage zones (LVZs) compared to those without TIC.
  • - In a study of 139 persistent atrial fibrillation patients undergoing catheter ablation, those with TIC had less atrial remodeling and a 36-month follow-up showed no significant difference in the rate of atrial tachyarrhythmia (AT) recurrence between TIC and non-TIC groups.
  • - Overall, the findings suggest TIC patients have similar, if not improved, outcomes following ablation procedures, despite possessing a less remodeled atrial substrate.
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  • This study explored a new diagnostic approach for acute coronary syndrome (ACS) in the emergency department, which combines a non-ischemic ECG, a normal troponin test, and chest CT to detect coronary calcifications.
  • The research involved 280 patients over 18 with chest pain who had both non-ischemic ECG and negative troponin tests; it found a very high negative predictive value of 99.8% for ruling out ACS using this combined strategy.
  • Among those without calcifications, only a small percentage were hospitalized, and none experienced an acute coronary event, suggesting the strategy could effectively reduce unnecessary hospital admissions in similar patients.
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Background: CHADS-VASc score-related differences have been reported in atrial fibrotic remodeling and prognosis of atrial fibrillation (AF) patients after ablation. There are currently no data on the efficacy of low voltage zone (LVZ)-guided ablation in persistent AF patients according to CHADS-VASc score. We assessed in a cohort of persistent AF patients the extent of LVZ, the regional distribution of LA voltage and the outcome of LA voltage-guided substrate ablation in addition to PVI according to CHADS-VASc score.

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Background: Healthcare workers' mental health has been impacted by the COVID-19 pandemic, emphasizing the need for mental health interventions in this population. Online cognitive behavioral therapy (CBT) is efficient to reduce stress and may reach numerous professionals. We developed "MyHealthToo", an online CBT program to help reduce stress among healthcare workers during the COVID-19 pandemic.

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Organophosphorus compounds or organophosphates (OPs) are widely used as flame retardants, plasticizers, lubricants and pesticides. This contributes to their ubiquitous presence in the environment and to the risk of human exposure. The persistence of OPs and their bioaccumulative characteristics raise serious concerns regarding environmental and human health impacts.

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  • ECMO (extracorporeal membrane oxygenation) is linked to a high risk of bleeding, and this study aimed to explore how ECMO affects fibrinolysis markers over time in these patients.
  • In the study involving 30 patients, key fibrinolysis markers like tPA and D-dimer increased significantly in bleeding patients before a hemorrhagic event, while nonbleeding patients showed a decreasing trend in these markers.
  • Results indicated that higher tPA levels were associated with bleeding events, suggesting that monitoring these fibrinolytic markers could be crucial in managing patients on ECMO.
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Background: Perivascular epithelioid cell neoplasms (PEComas) encompass a heterogeneous family of mesenchymal tumors. Previously described clinicopathologic features aimed at distinguishing benign from malignant variants but lacked prognostic value.

Methods: This retrospective analysis examined clinicopathologic data from patients who had localized PEComa across French Sarcoma Network centers.

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  • * Out of 350 patients analyzed, those with DIC had a higher incidence of AKI (86.8%) compared to those without DIC (74.2%), and their AKI was generally more severe.
  • * After controlling for other factors, the presence of DIC significantly raised the risk of severe AKI and the need for renal replacement therapy, with odds ratios indicating a more than twofold increased risk.
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Introduction: Thoracolumbar adolescent idiopathic scoliosis can continue to progress beyond skeletal maturity. Ideal timing of surgery remains undefined. Earlier intervention, with shorter instrumentation, incurs early partial loss of lumbar motion.

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Chest radiography remains the most frequently used examination in emergency departments (ED) for the diagnosis of community-acquired pneumonia (CAP), despite its poor diagnostic accuracy compared with ultra-low-dose (ULD) chest computed tomography (CT). However, although ULD CT appears to be an attractive alternative to radiography, its organizational impact in ED remains unknown. Our objective was to compare the relevant timepoints in ED management of CT and chest radiography.

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  • Some myopathies can cause dropped head or bent spine syndrome (DH/BS), but its significance in inflammatory myopathies (IM) hasn't been thoroughly explored.
  • A study compared 49 patients with DH/BS related to IM to 98 control IM patients, finding that those with DH/BS were older and had more severe symptoms, including upper limb weakness, dysphagia, and muscle atrophy.
  • The results suggest that DH/BS serves as a marker for the severity of IM and is often linked to complications related to systemic sclerosis, highlighting its clinical importance.
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Flexible strain sensors based on nanoparticle (NP) arrays show great potential for future applications such as electronic skin, flexible touchscreens, healthcare sensors, and robotics. However, even though these sensors can exhibit high sensitivity, they are usually not very stable under mechanical cycling and often exhibit large hysteresis, making them unsuitable for practical applications. In this work, strain sensors based on silica nanohelix (NH) arrays grafted with gold nanoparticles (AuNPs) can overcome these critical aspects.

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Objectives: AmpC β-lactamase-hyperproducing Enterobacterales (ABLHE) bloodstream infections (BSI) are emerging and leading to therapeutic challenges worldwide. Prescriptions of carbapenems may lead to the emergence of resistance. This study aimed to compare cefepime with carbapenems for the treatment of third-generation cephalosporin-resistant ABLHE BSI.

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Aim: Patients with systemic sclerosis (SSc) present various clinical and radiological oral manifestations. However, precise evaluation of the oral features associated with diffuse cutaneous SSc (dcSSc) and limited cutaneous SSc (lcSSc) is limited. The objective of this study was to evaluate the periodontal ligament (PDL) surface in SSc patients in comparison with controls.

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Psychological distress among students is a growing concern in medical education, even more so with the advent of COVID-19 pandemic. Anxiety is among students' mental health issues. High and persistent anxiety has many negative impacts on students' academic and personal life.

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Background: Non-ST elevation acute coronary syndrome (NSTE-ACS) is one of the most frequent manifestations of coronary artery disease. The occurrence of serious heart rhythm disorders (SHRDs) in NSTE-ACS is not well documented. However, continuous heart rhythm monitoring is recommended during the initial management of NSTE-ACS.

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  • The study investigated the incidence rate of inflammatory myopathies (IM) using refined methods, estimating a rate of 8.22 cases per million annually in Alsace, France.
  • The research included data from multiple sources over a 6-year period and corrected for missed cases through capture-recapture analysis.
  • Findings showed no variations in incidence over time or space, with other systemic manifestations frequently observed in patients alongside muscle symptoms.
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Objectives: We aimed to evaluate (1) whether sedation analgesia (SA) used during therapeutic hypothermia (TH) was efficient to support the wellbeing of neonates with hypoxic-ischemic encephalopathy, (2) the SA level and its adjustment to clinical pain scores, and (3) the impact of inadequate SA on short-term neonatal outcomes evaluated at discharge.

Methods: This was an observational retrospective study performed between 2011 and 2018 in two level III centers in Alsace, France. We analyzed the wellbeing of infants by using the COMFORT-Behavior (COMFORT-B) clinical score and SA level during TH, according to which we classified infants into four groups: those with excess SA, adequate SA, lack of SA, and variability of SA.

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Objective: Variations of the cavernous Internal Carotid Artery (ICA) angulation (C4-bend) have been classified into 4 anatomical subtypes with particular surgical relevance, as a very angulated ICA comes in closest contact with the pituitary gland leading to higher risk of iatrogenic vascular injury. This study aimed to validate this classification using current routine imaging techniques.

Methods: The different cavernous ICA bending angles were measured on 109 MRI TOF sequences, within a retrospective database of patients with no sellar lesions.

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