3,372 results match your criteria: "University of Paris VI Pitié-Salpêtrière Hospital[Affiliation]"

Introduction: Mechanical thrombectomy (MT) efficacy in medium vessel occlusion (MeVO) stroke, particularly in patients with low Alberta Stroke Program Early Computed Tomography Score (ASPECTS), remains less explored.

Methods: This retrospective study analyzed data from 443 AIS patients treated with MT for MeVO and low ASPECTS (4-7) at 37 centers across North America, Asia, and Europe, from September 2017 to July 2021. Patients were categorized into ASPECTS of 4-5 and 6-7.

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Background: Doravirine is licensed in patients living with HIV (PWH) harbouring no prior resistance to any NNRTIs. We aimed to evaluate in real life the efficacy of doravirine with prior NNRTI virological failure and NNRTI resistance-associated mutations (RAMs).

Methods: This observational study included PWH switched to a doravirine-containing regimen between 30 September 2019 and 1 May 2022, with an HIV-1 RNA of ≤50 copies/mL and past NNRTI-RAMs.

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Background: In cases of maternal primary infection with cytomegalovirus (CMV-MPI) maternal treatment with oral valaciclovir 8 g/day has been shown to reduce the risk of fetal infection. The pharmacological profile of this high dosage during pregnancy is not yet known.

Objectives: To quantify maternal-fetal exposure to valaciclovir 8 g/day in a population pharmacokinetic (popPK) study.

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[Recommendations for clinical practice: Prevention and management of varicella zoster virus (VZV) infection during pregnancy and the perinatal period (extended version)].

Gynecol Obstet Fertil Senol

January 2025

Division of Virology, WHO Rubella National Reference Laboratory, Paris Saclay University Hospital, APHP, Paris, France; Université Paris-Saclay, INSERM U1184, CEA, Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Fontenay-aux-Roses, France.

The Société de Pathologie Infectieuse de Langue Française released in 2024 a new national recommendation for clinical practice on the prevention and management of varicella zoster virus (VZV) infection during pregnancy and the perinatal period. The previous recommendation was issued in 1998, at a time of anti-VZV immunoglobulins shortage; it has hence become obsolete. This recommendation is a formalized expert consensus focusing on infectious diseases management; it is drawn up by a multidisciplinary working group (infectiologists, obstetricians, pediatricians, microbiologists, midwives, hygienists).

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I-motif formation in the promoter region of the B-MYB proto-oncogene.

Int J Biol Macromol

January 2025

CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal; RISE-Health, Departamento de Química, Faculdade de Ciências, Universidade da Beira Interior, Rua Marquês d'Ávila e Bolama, 6201-001 Covilhã, Portugal; Departamento de Química, Universidade da Beira Interior, Rua Marquês de Ávila e Bolama, 6201-001 Covilhã, Portugal. Electronic address:

Understanding the mechanisms of carcinogenesis is essential to combat cancer. The search for alternative targets for anticancer therapy has gained interest, particularly when focused on upstream pathways. This strategy is particularly relevant when the encoded target proteins are known - or believed - to be "undruggable", as has been reported for the B-MYB oncogene.

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Breast cancer presents a significant global health challenge, necessitating continued innovation in diagnostic and therapeutic approaches. Recent advances have led to the identification of cancer-associated fibroblasts, which are highly prevalent in breast cancers and express fibroblast activation proteins (FAPs), as critical targets. FAP-specific radiotracers, when used with PET/CT and SPECT/CT, have significant potential for improving early breast cancer detection, staging, treatment response monitoring, and therapeutic intervention.

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T cell malignancies after CAR T cell therapy in the DESCAR-T registry.

Nat Med

January 2025

Department of Hematology, University Hospital of Rennes, UMR U1236, INSERM, University of Rennes, French Blood Establishment, Rennes, France.

The risk of T cell malignancies after chimeric antigen receptor (CAR) T cell therapy is a concern, although the true incidence remains unclear. Here we analyzed the DESCAR-T registry database, encompassing all pediatric and adult patients with hematologic malignancies who received CAR T cell therapy in France since 1 July 2018. Of the 3,066 patients included (2,536 B cell lymphoma, 162 B cell acute lymphoblastic leukemia (ALL) and 368 multiple myeloma), 1,680 (54.

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Comparison of the lethal triad and the lethal diamond in severe trauma patients: a multicenter cohort.

World J Emerg Surg

January 2025

Federation of Anesthesiology, Intensive Care Unit, Burns and Operating Theater, Percy Military Training Hospital, 2 Rue Lieutenant Raoul Batany, 92140, Clamart, France.

Background: To reduce the number of deaths caused by exsanguination, the initial management of severe trauma aims to prevent, if not limit, the lethal triad, which consists of acidosis, coagulopathy, and hypothermia. Recently, several studies have suggested adding hypocalcemia to the lethal triad to form the lethal diamond, but the evidence supporting this change is limited. Therefore, the aim of this study was to compare the lethal triad and lethal diamond for their respective associations with 24-h mortality in severe trauma patients receiving transfusion.

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Impact of gender on self-assessment accuracy among fourth-year French medical students on faculty's online Objective Structured Clinical Examinations.

BMC Med Educ

December 2024

Department of Infectious and Tropical Diseases, Hôpital Saint-Louis Et Lariboisière, AP-HP, Université Paris Cité, 1 Avenue Claude Vellefaux, Paris, F-75010, France.

Background: Historically, women have been shown to underestimate their abilities, while men often assess themselves more accurately or overestimate. This study aims to determine self-assessment accuracy during online Objective Structured Clinical Examinations (OSCEs) according to gender.

Methods: A prospective study was conducted among fourth-year medical students at Paris Cité University during faculty training OSCEs, utilizing Zoom® software for remote participation.

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Article Synopsis
  • The text discusses the impact of pneumococcal conjugate vaccines (PCVs), specifically PCV10 and PCV13, on invasive pneumococcal disease (IPD) globally, highlighting how these vaccines have reduced the prevalence of disease caused by vaccine-type serotypes after extensive use.
  • It describes the methodology of data collection from various surveillance sites, which aimed to evaluate IPD cases that occurred five years after the vaccines were implemented, focusing on different age groups for analysis.
  • Findings indicate significant differences in serotype distribution between PCV10 and PCV13 sites; notably, certain serotypes, such as 19A and serotype 3, were prevalent in specific age groups, signaling ongoing challenges in controlling
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Background: Pneumococcal conjugate vaccines (PCVs) that are ten-valent (PCV10) and 13-valent (PCV13) became available in 2010. We evaluated their global impact on invasive pneumococcal disease (IPD) incidence in all ages.

Methods: Serotype-specific IPD cases and population denominators were obtained directly from surveillance sites using PCV10 or PCV13 in their national immunisation programmes and with a primary series uptake of at least 50%.

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Article Synopsis
  • Adolescents living with HIV (ALHIV) in rural Tanzania show a viral suppression rate of 78%, but this falls short of the UNAIDS 95% target.
  • Factors positively influencing viral suppression include having a CD4 cell count of ≥500 cells/mm3 and receiving a dolutegravir-based ART regimen, while female gender correlates with lower suppression odds.
  • There is only a weak to moderate consistency between different measures of treatment adherence and actual viral load suppression.
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Autosomal recessive deficiency of the IFNAR1 or IFNAR2 chain of the human type I IFN receptor abolishes cellular responses to IFN-α, -β, and -ω, underlies severe viral diseases, and is globally very rare, except for IFNAR1 and IFNAR2 deficiency in Western Polynesia and the Arctic, respectively. We report 11 human IFNAR1 alleles, the products of which impair but do not abolish responses to IFN-α and -ω without affecting responses to IFN-β. Ten of these alleles are rare in all populations studied, but the remaining allele (P335del) is common in Southern China (minor allele frequency ≈2%).

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Voice Quality After Anterior Commissure Cordectomy Versus Marginal Cordectomy for cT1 Glottic Carcinoma: A Case-Series.

Otolaryngol Head Neck Surg

December 2024

Research Committee, Young Otolaryngologists of the International Federation of Otorhinolaryngological Societies (IFOS), Paris, France.

Objectives: To compare the presurgical to postsurgical voice quality (VQ) outcomes of types I, II, III, and VI transoral laser cordectomies (TLC).

Study Design: Prospective uncontrolled study.

Setting: Multicenter study.

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Revisiting diagnostics: multiplex PCR system for rapid diagnosis of respiratory virus infections: can we do better?

Clin Microbiol Infect

December 2024

Virulence Bactérienne et Infections Chroniques, INSERM U1047, Univ Montpellier, Service des Maladies Infectieuses et Tropicales, CHU Nîmes, Nîmes, France. Electronic address:

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Differential HBV RNA and HBcrAg patterns in untreated patients with chronic hepatitis delta.

J Hepatol

December 2024

Division of Gastroenterology and Hepatology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; CRC "A. M. and A. Migliavacca" Center for Liver Disease, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy; D-SOLVE consortium, an EU Horizon Europe funded project (No 101057917). Electronic address:

Background And Aim: Serum HBV RNA and HBcrAg levels have been proposed as useful biomarkers in the management of HBV patients, however their role in chronic hepatitis Delta (CHD) is currently unknown.

Methods: Consecutive untreated CHD patients were enrolled in a cross-sectional study in three EU centers. Clinical and virological characteristics were collected.

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The COVID-19 pandemic, driven by SARS-CoV-2, led authorities to recommend halting assisted reproductive technology programs, focusing instead on fertility preservation, for cancer patients. The presence of SARS-CoV-2 in semen remains controversial. This multicentric prospective cohort study, conducted across 12 university medical centers, aimed to determine if SARS-CoV-2 is present in spermatozoa/seminal plasma in cancer patients by RT-PCR and to assess its impact on standard semen parameters.

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Background: Sickle cell disease, a debilitating, inherited haemolytic anaemia with premature morbidity and mortality, affects millions globally. Mitapivat, a first-in-class, oral, allosteric activator of pyruvate kinase, improves red blood cell survival by increasing ATP and diminishes sickling by decreasing 2,3-diphosphoglycerate. We aimed to evaluate the efficacy and safety of mitapivat in patients with sickle cell disease.

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Article Synopsis
  • - The text emphasizes that new antiretroviral drugs and formulations are continuously being developed for HIV prevention and treatment, highlighting the importance of updated strategies to manage the virus effectively.
  • - A panel of expert physician scientists has compiled updated recommendations for 2024 based on extensive literature reviews and data from scientific conferences, focusing on treatment protocols tailored to specific patient needs.
  • - Current recommendations advocate for antiretroviral therapy for all individuals with HIV, primarily using integrase strand transfer inhibitors, while also offering alternatives for those with unique circumstances, and suggesting both oral and injectable options for HIV prevention.
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Robotization in microbiology.

Ann Biol Clin (Paris)

November 2024

Laboratory of Microbiology. Faculty of Medicine and Pharmacy (University Mohammed the First), Oujda, Morocco, Laboratory of Microbiology, Mohammed VI University Hospital, Oujda, Morocco, Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, University Mohammed the First, 60000 Oujda, Morocco.

Article Synopsis
  • Williams and Trotman aimed to automate bacteriology processes since 1960, but faced challenges like high costs and traditional methods that delayed progress.
  • Automation started with blood culture incubators and eventually improved efficiency in various bacteriology areas, such as cytology and antibiotic testing, leading to faster lab results and enhanced quality.
  • The integration of artificial intelligence in bacteriological analyses signifies a further transformation, resulting in fully automated labs with less human involvement, ultimately impacting healthcare quality.
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Background: Postextubation respiratory failure (PRF) frequently complicates weaning from mechanical ventilation and may increase morbidity/mortality. Noninvasive ventilation (NIV) alternating with high-flow nasal oxygen (HFNO) may prevent PRF.

Methods: Ventilated patients without chronic obstructive pulmonary disease (COPD) and at high-risk of PRF defined as a lung ultrasound score (LUS) ≥ 14 assessed during the spontaneous breathing trial, were included in a French-Chinese randomised controlled trial.

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Heterozygous BTNL8 variants in individuals with multisystem inflammatory syndrome in children (MIS-C).

J Exp Med

December 2024

Section of Paediatric Infectious Disease, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK.

Multisystem inflammatory syndrome in children (MIS-C) is a rare condition following SARS-CoV-2 infection associated with intestinal manifestations. Genetic predisposition, including inborn errors of the OAS-RNAseL pathway, has been reported. We sequenced 154 MIS-C patients and utilized a novel statistical framework of gene burden analysis, "burdenMC," which identified an enrichment for rare predicted-deleterious variants in BTNL8 (OR = 4.

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Genetic defects of brain immunity in childhood herpes simplex encephalitis.

Nature

November 2024

St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA.

Article Synopsis
  • Herpes simplex virus 1 (HSV-1) encephalitis (HSE) is a serious viral brain infection that primarily affects children, with genetic factors playing a significant role in some cases.
  • About 8-10% of childhood HSE cases are linked to specific genetic mutations, allowing for innovative diagnostic and treatment strategies.
  • The review highlights how the brain's antiviral defense mechanisms, including both known and newly discovered pathways, are compromised in HSE, emphasizing the importance of neuron-specific immunity beyond just traditional immune cells.
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