1,327 results match your criteria: "CEA-CNRS-ENSICAEN-Université de Caen Normandie[Affiliation]"

Time to reconsider the use of synthetic mesh in immediate prepectoral implant-based breast reconstruction: Impact of their use on short-term outcomes.

Eur J Surg Oncol

December 2024

Department of Surgical Oncology, Université de Caen Normandie, François Baclesse Centre, 3 avenue Général Harris, 14000, Caen, France. Electronic address:

Background: Breast reconstruction practices, predominantly implant-based, have evolved, with meshes aiding in overcoming traditional limitations. However, data comparing mesh-assisted prepectoral reconstruction with implants alone are lacking. This study aimed to assess whether synthetic meshes in prepectoral reconstruction impact postoperative complications.

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Usefulness of dynamic perfusion SPECT with quantitative assessment of myocardial perfusion reserve for the detection of myocardial ischaemia in patients with presumed new left bundle branch block.

Eur Heart J Imaging Methods Pract

July 2024

Department of Nuclear Medicine, CHU de Caen Normandie, Normandie Univ, UNICAEN UR  4650 PSIR, Avenue Cote de Nacre, 14000 Caen, France.

Article Synopsis
  • The study aimed to assess how well dynamic SPECT with quantitative analysis of myocardial blood flow (MBF) and myocardial flow reserve (MFR) can detect coronary artery disease (CAD) in patients with new left bundle branch block (LBBB).
  • The evaluation involved 174 patients with LBBB, finding SPECT abnormalities in only a small percentage, and highlighting a correlation between reduced MFR and fixed defects, although only a few patients had significant CAD after further examination.
  • The conclusion suggests that routine screening for CAD in patients with presumed new LBBB may not be necessary, given the low incidence of actual CAD found.
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Background: Proton therapy (PRT) is an innovative radiotherapeutic modality for the treatment of cancer with unique ballistic properties. The depth-dose distribution of a proton beam reduces exposure of healthy tissues to radiations, compared with photon-therapy (XRT). To date, only few indications for proton-therapy, like pediatric cancers, chordomas, or intra-ocular neoplasms, are reimbursed by Health systems.

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The Zika virus (ZIKV), an arbovirus within the Flavivirus genus, is associated with severe neurological complications, including Guillain-Barré syndrome in affected individuals and microcephaly in infants born to infected mothers. With no approved vaccines or antiviral treatments available, there is an urgent need for effective therapeutic options. This study aimed to identify new natural compounds with inhibitory potential against the NS2B-NS3 protease (PDB ID: 5LC0), an essential enzyme in viral replication.

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Purpose: Mucormycosis is a rare but emerging and life-threatening infection caused by environmental mold, with a mortality rate of 30-70% despite progress in management. A better understanding could improve its management.

Method: We conducted a single-center retrospective study of all cases of mucormycosis observed over a decade at the University Hospital of Caen.

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Mycobacterium chelonae cutaneous infections unrelated to invasive procedures: A multicentre retrospective case series.

J Eur Acad Dermatol Venereol

December 2024

Gridist, Groupe Infectiologie Dermatologique - Infections Sexuellement Transmissibles, Société Française, de Dermatologie, Paris, France.

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Are causing recurrent cystitis just ordinary uropathogenic (UPEC) strains?

Virulence

December 2025

Department of Infectious Diseases, Univ Rouen Normandie, Université de Caen Normandie, INSERM, Normandie Univ, DYNAMICURE UMR 1311, CHU Rouen, Rouen, France.

Specific determinants associated with Uropathogenic (UPEC) causing recurrent cystitis are still poorly characterized. Using strains from a previous clinical study (Vitale study, clinicaltrials.gov, identifier NCT02292160) the aims of this study were (i) to describe genomic and phenotypic traits associated with recurrence using a large collection of recurrent and paired sporadic UPEC isolates and (ii) to explore within-host genomic adaptation associated with recurrence using series of 2 to 5 sequential UPEC isolates.

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Hairy cell proliferations represent very different entities. They include hairy cell leukemia in its classic form (HCL), a well-defined entity, but also the variant form of HCL (LT-V ou HCL-V), whose presentation is far from HCL and whose prognosis is poorer. Other hairy cell proliferations include splenic red pulp lymphoma (SDRPL) and splenic marginal zone lymphomas (SMZL) with circulating villous cells.

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["Projet doré": Screening for ocular pathologies in nursing home residents].

J Fr Ophtalmol

December 2024

Centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France; Unité de recherche UMR-S 1075 Inserm-Unicaen, CHU de Caen-Normandie, Normandie université, Unicaen, 14000 Caen, France.

For several years, our society has been experiencing an aging of the population. Concurrently, there has been an observable increase in the population of nursing homes (EHPAD). The context of a global epidemic and the public health measures implemented to address it have underscored the vulnerability of our elderly population and the need for remote consultations to ensure continuity of care.

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Narration of a collective traumatic event according to the presence of PTSD and considering the social function.

Front Psychiatry

November 2024

Université de Caen Normandie, PSL, EPHE, INSERM, U1077, CHU de Caen, Neuropsychologie et Imagerie de la Mémoire Humaine, GIP Cyceron, Caen, France.

Introduction: Individuals suffering from PTSD recount the traumatic event using perceptual, emotional and sensory details. Memorization and recall of individual events are influenced by the individual's social function, i.e.

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Article Synopsis
  • The study aims to assess the safety and efficacy of using expanded CD34+ cells for treating patients with acute myocardial infarction (AMI) and reduced left ventricular function, crucial for improving patient outcomes.
  • Patients with severe AMI (left ventricular ejection fraction <50%) are randomly assigned to receive either CD34+ cell treatment alongside standard care or standard care only, with a focus on monitoring major adverse cardiac events over six months.
  • This trial is groundbreaking as it explores the automated expansion and administration of autologous CD34+ cells, addressing current technological limitations in cell therapy for heart recovery post-AMI.
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Interferon signaling is enhanced by ATR inhibition in glioblastoma cells irradiated with X-rays, protons or carbon ions.

Radiother Oncol

December 2024

Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, 0379 Oslo, Norway. Electronic address:

Background And Purpose: Interferon (IFN) signaling plays an important role in antitumor immune responses. Inhibitors of the DNA damage response, such as ATR inhibitors, can increase IFN signaling upon conventional radiotherapy with X-rays. However, it is not known whether such inhibitors also enhance IFN signaling after irradiation with high linear energy transfer (LET) particles.

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Maintaining physical function is crucial for independent living in older adults, with gait speed being a key predictor of health outcomes. Blood biomarkers may potentially monitor older adults' mobility, yet their association with slow gait speed still needs to be explored. This study aimed to investigate the relationship between blood biomarkers and gait speed using the Midlife in the United States (MIDUS) study biomarker dataset.

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Systemic lupus erythematosus (SLE) is an autoimmune disease whose pathophysiology remains incompletely understood, involving genetic and epigenetic factors. However, an increasing small subset of patients present with monogenic lupus, providing insight into the pathogenesis of the disease. This systematic review focuses on SLE associated with A20 haploinsufficiency (HA20), a monogenic disorder associated with tumor necrosis factor alpha-induced protein 3 gene (TNFAIP3) variants.

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The relationship between the vestibular system and the circadian timing system: A review.

Sleep Med

December 2024

Université de Caen Normandie, INSERM, Normandie Université, COMETE UMR-S 1075, GIP Cyceron, Caen, F-14000, France.

This review attempts to analyze the relationship between the vestibular system and the circadian timing system. The activity of the biological clock allows an organism to optimally perform its tasks throughout the nychtemeron. To achieve this, the biological clock is subjected to exogenous factors that entrain it to a 24h period.

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BackgroundWithin the International Health Regulations framework, the French High Council for Public Health was mandated in 2022 by health authorities to establish a list of priority infectious diseases for public health, surveillance and research in mainland and overseas France.AimOur objective was to establish this list.MethodsA multi-criteria decision analysis was used, as recommended by the European Centre for Disease Prevention and Control.

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The International Francophone ENT Society (SIFORL): A dynamic and ambitious society.

Eur Ann Otorhinolaryngol Head Neck Dis

December 2024

Service ORL-CCF, CHU Grenoble Alpes (CHUGA), université Grenoble Alpes (UGA), Grenoble, France. Electronic address:

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Trigeminal malignant peripheral nerve-sheath tumor: Systematic review, and case report treated by proton-beam therapy.

Neurochirurgie

December 2024

CHU de Caen Normandie, Department of Neurosurgery, Caen F-14000, France; INSERM, UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Caen, F-14000, France.

Background: Malignant peripheral nerve-sheath tumor (MPNST) is rare, occurring in approximately 0.001% of the general population. Cases involving cranial nerves, and particularly the trigeminal nerve (V), are exceptionally rare, with only 36 cases reported in a literature review in 2013.

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Introduction: Several cases of radio-induced neurotrophic keratitis had been observed after proton therapy delivering a mean corneal dose of ≥50 GyRBE. We conducted a prospective exploratory study to assess corneal sensitivity in subsequent patients undergoing proton therapy for cephalic extraocular tumors.

Material And Methods: Forty-three patients (85 eyes) treated with high-energy proton therapy were included in this prospective, single-center, observational cohort study.

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Background: Knee proprioception may be compromised after anterior cruciate ligament reconstruction (ACLR), but associated factors and impact remain unclear. This study evaluated knee proprioception 4 months after primary ACLR, compared with healthy controls, and explored the impacts of leg dominance, anterolateral procedures (AEAPs), and their association with psychological readiness to return to sports.

Methods: This prospective cohort study included 30 ACLR participants and 20 healthy controls.

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Sunlight-activated composite TiO-F-V-Mo materials for photodegradation of the organic pollutant methylene blue.

Heliyon

November 2024

Laboratory of Materials, Catalysis, Environment, and Analytical Methods (MCEMA), EDST, Lebanese University, Hadath, Beirut, Lebanon.

F-doped TiO photocatalyst materials were prepared using solid-state and sol-gel synthesis with varying weight percentages of LiF or NHF. Subsequently, molybdate and vanadium oxide were added to the prepared powders to create composite photocatalysts with reduced bandgap energy, enhancing light absorption in the visible region of the spectrum, which is essential for effective photocatalytic activity using sunlight. The synthesized powders were characterized by thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and specific surface area using the BET method.

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The gastrointestinal tract (GIT) plays a pivotal role in the absorption of orally administered drugs, with the small intestine serving as the primary site due to its extensive surface area and specialized cell types, including enterocytes and M cells. After oral administration, drugs are generally transported via the portal vein to the liver, where they undergo first-pass metabolism. This process involves various enzymatic reactions, including glucuronidation, facilitated by uridine diphosphate-glucuronosyltransferase (UGT), a major phase 2 reaction in mammalian metabolism.

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A new species of the Aulopidae is described from the waters of southern Ecuador and northern Peru. Aulopus chirichignoae sp. nov.

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