565 results match your criteria: "PELLEGRIN Hospital[Affiliation]"

Pan-neurofascin autoimmune nodoparanodopathy: A case report and literature review.

Medicine (Baltimore)

January 2025

Department of Neurology (Nerve-Muscle Unit), Reference Center for Neuromuscular Diseases "AOC," ALS Reference Center, University Hospitals of Bordeaux (Pellegrin Hospital), University of Bordeaux, Bordeaux, France.

Rationale: Locked-in syndrome (and its variant, completely locked-in state) generally has a high mortality rate in the acute setting; however, when induced by conditions such as acute inflammatory polyradiculoneuropathy, it may well be curable such that an attempt at cure should be systematically sought by clinicians.

Patient Concerns: A 52-year-old man presented with acute tetraparesia and areflexia, initially diagnosed as Guillain-Barré syndrome. Despite appropriate treatment, his condition deteriorated, evolving into a completely locked-in state.

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Purpose: The choice of the best management for Adult Spine Deformity (ASD) is challenging. Health-related quality of life (HRQoL), comorbidities, symptoms and spine geometry, along with surgical risk and potential residual disability play a role, and a definite algorithm for patient management is lacking. Machine learning allows to analyse complex settings more efficiently than other available statistical tools.

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Introduction: Anakinra has dramatically improved the management of systemic juvenile idiopathic arthritis (SJIA) over the last decade. Nevertheless, management remains inconsistent; corticosteroids are still frequently used. We analyzed the course of SJIA in children treated with anakinra according to the time of treatment initiation after disease onset.

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Background: Medulloblastoma (MB) is one of the most prevalent embryonal malignant brain tumors. Current classification organizes these tumors into four molecular subgroups (WNT, SHH, Group 3, and Group 4 MB). Recently, a comprehensive classification has been established, identifying numerous subtypes, some of which exhibit a poor prognosis.

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Bone lesions of the appendicular skeleton can be caused by primary benign or malignant tumors, metastases, osteomyelitis, or pseudotumors. Conventional radiography plays a crucial role in the initial assessment of osseous lesions and should not be underestimated even in this era of modern complex and advanced imaging technologies. Combined with patient age, clinical symptoms and biology, and lesion features including location, solitary versus multiplicity, density, margin (transitional zone evaluated with Lodwick-Madewell grading score), and, if present, the type of periosteal reaction and matrix mineralization can narrow the differential diagnosis or offer a likely diagnosis.

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In amyotrophic lateral sclerosis (ALS), early mitochondrial dysfunction may contribute to progressive motor neuron loss. Remarkably, the ectopic expression of the Orthobornavirus bornaense type 1 (BoDV-1) X protein in mitochondria blocks apoptosis and protects neurons from degeneration. Therefore, this study examines the neuroprotective effects of X protein in an ALS mouse model.

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Overexpression of Egr1 Transcription Regulator Contributes to Schwann Cell Differentiation Defects in Neural Crest-Specific Knockout Mice.

Cells

November 2024

Laboratory of Embryology and Genetics of Human Malformations, Imagine Institute, INSERM UMR 1163, Université Paris Cité, 24 Boulevard du Montparnasse, 75015 Paris, France.

Adenosine deaminase acting on RNA 1 (ADAR1) is the principal enzyme for the adenosine-to-inosine RNA editing that prevents the aberrant activation of cytosolic nucleic acid sensors by endogenous double stranded RNAs and the activation of interferon-stimulated genes. In mice, the conditional neural crest deletion of reduces the survival of melanocytes and alters the differentiation of Schwann cells that fail to myelinate nerve fibers in the peripheral nervous system. These myelination defects are partially rescued upon the concomitant removal of the Mda5 antiviral dsRNA sensor in vitro, suggesting implication of the Mda5/Mavs pathway and downstream effectors in the genesis of mutant phenotypes.

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ORPHEE: A Real-World Study on rIX-FP Prophylaxis Use in Adolescent/Adult Patients With Hemophilia B.

Eur J Haematol

December 2024

CRH, CRC-MHC (Centre de Référence de l'Hémophilie, Centre de Ressource et de Compétence Des Maladies Hémorragiques Constitutionnelles), University Hospital, Rennes, France.

Objectives: To assess the real-world efficacy and safety of recombinant factor IX albumin fusion protein (rIX-FP) in patients with hemophilia B (HB) in France.

Methods: Data on dosing frequency, weekly consumption, and bleeds before-and-after switching to rIX-FP, were collected from December 2021 to February 2024. Annualized (spontaneous) bleeding rates [A(s)BRs] were calculated only in patients on prophylaxis with a follow-up ≥ 6 months.

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Background: The prognosis for patients with relapse of localized rhabdomyosarcoma (RMS) remains poor, with limited evidence for optimal second-line therapy. This study describes the management and outcomes of relapsed RMS patients in France.

Methods: We retrospectively reviewed all nonmetastatic RMS patients enrolled in France in the RMS 2005 study who relapsed between 2006 and 2019 after achieving complete local control, defined as complete remission or stable residue ≥ 6 months after treatment completion.

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Article Synopsis
  • The study aimed to gather insights from international experts on the efficacy and challenges of two minimally invasive surgical techniques, transoral laser microsurgery (TLM) and transoral robotic surgery (TORS), for treating supraglottic laryngeal tumors.
  • A survey was conducted with 27 head and neck surgeons, finding that TLM generally took less setup time compared to TORS, although both techniques faced concerns about bleeding during surgery, particularly with TLM.
  • Experts viewed TLM and TORS as largely equal in effectiveness, but noted that TORS offered better control over bleeding and improved visibility during the procedure.
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Tracking myasthenia gravis severity over time: Insights from the French health insurance claims database.

Eur J Neurol

January 2025

Neurology and Neuromuscular Diseases Department, Neuromuscular Reference Centre AOC, Pellegrin Hospital, Bordeaux University Hospitals, Bordeaux, France.

Background And Purpose: Few data are available on the course of myasthenia gravis (MG) regarding disease severity and stability over time in real-world settings. This study used the French National Health Insurance Database (SNDS) to assess markers of disease severity in patients with MG longitudinally.

Methods: All patients with MG-related claims in the SNDS between 2013 and 2020 were identified.

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French protocol for the diagnosis and management of giant cell arteritis.

Rev Med Interne

January 2025

Department of Internal Medicine and Clinical Immunology, Referral Centre for Rare Systemic Autoimmune and Autoinflammatory Diseases (MAIS), Dijon Bourgogne University Hospital, Dijon, France; Inserm, EFS BFC, UMR 1098, RIGHT Graft-Host-Tumour Interactions/Cellular and Genetic Engineering, Bourgogne Franche-Comté University, Dijon, France. Electronic address:

Article Synopsis
  • Giant cell arteritis (GCA) primarily affects women over 50, causing symptoms like headaches and jaw pain, and can lead to severe complications like vision loss due to eye involvement.
  • Diagnosis relies on advanced imaging techniques such as FDG-PET and CT scans, while the temporal artery biopsy is considered the gold standard.
  • Urgent treatment with high doses of corticosteroids is critical to prevent vision loss, and long-term management is necessary to monitor for recurrence and potential cardiovascular issues.
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Natural history of salivary gland secretory carcinoma: A REFCOR study.

Surg Oncol

December 2024

Sorbonne University, Tenon Hospital, APHP, ENT and Head and Neck Surgery Department, 4 Rue de la Chine, 75020, Paris, France. Electronic address:

Article Synopsis
  • Salivary gland Secretory Carcinoma (SC) is a rare tumor first described in 2010; a study analyzed 108 cases from the REFCOR database to evaluate diagnosis, treatment, and survival rates up to July 2021.
  • MRI was found to be ineffective for diagnosing malignancy, and while 79% of patients received a diagnosis after two histological readings, 21% needed molecular testing for confirmation.
  • Results showed high survival rates, with 91.4% overall survival and 89% recurrence-free survival at five years, suggesting a generally positive prognosis for SC patients.*
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Objective: To assess the overall survival (OS) of internal cerebrospinal fluid shunt (ICSFS) in the adult population.

Methods: MEDLINE database was searched from 2000 to 2023 to identify studies reporting on ICSFS OS. Only articles reporting on adult ICSFS OS by a Kaplan-Meier (KM) OS curve were included.

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The Banff classification is regularly updated to integrate recent advances in the characterization of kidney allograft rejection, gathering novel diagnostic, prognostic, and theragnostic data into a diagnostic and pathogenesis-based framework. Despite ongoing research on noninvasive biomarkers of kidney rejection, the Banff classification remains, to date, biopsy-centered, primarily relying on a semiquantitative histological scoring system that overall lacks reproducibility and granularity. Besides, the ability of histopathological injuries and transcriptomics analyses from bulk tissue to accurately infer the pathogenesis of rejection is questioned.

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Mesial temporal lobe epilepsy (mTLE) is the most prevalent type of epilepsy in adults. First and subsequent generations of anti-epileptic therapy regimens fail to decrease seizures in a large number of patients suffering from mTLE, leaving surgical ablation of part of the hippocampus as the only therapeutic option to potentially reach seizure freedom. GluK2 has recently been identified as a promising target for the treatment of mTLE using gene therapy.

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Article Synopsis
  • Blue Rubber Bleb Nevus Syndrome (BRBNS) is a rare congenital condition characterized by vascular malformations in the skin and gastrointestinal tract, but it lacks extensive research and descriptive data.
  • A multicenter study in Europe analyzed 44 BRBNS patients, revealing that the syndrome is typically diagnosed around age 12, primarily through clinical symptoms, with a significant number also experiencing gastrointestinal complications.
  • The study suggests that tests for d-dimer, fibrinogen levels, and Tie2/TEK mutations should be conducted when BRBNS is suspected, as they could aid in confirming the diagnosis.
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Purpose: The longest diameter (LD) is a strong prognostic factor for patients with soft-tissue sarcoma (STS). Other dimensional assessments, such as the sum of diameters (SoD), product of diameters (PoD), and volume (3D-COG - proposed by the Children Oncology Group), can be rapidly performed; however, their prognostic values have never been compared to LD. Our goal was to investigate their performance in improving patients' prognostication for STS of the lower limbs.

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Article Synopsis
  • Mechanical thrombectomy using the SOFIA/SOFIA PLUS catheters is being evaluated as a primary treatment for acute ischemic stroke with large vessel occlusion, focusing on its safety and efficacy in a multi-center study involving 246 patients.
  • Results show that primary aspiration with the catheters achieved 72.8% complete recanalization and 63.8% of patients were functionally independent after 90 days, with acceptable complication rates.
  • The study supports using this technique as a first-line approach in stroke treatment, reinforcing the effectiveness of direct aspiration thrombectomy in managing acute ischemic strokes.
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Role of F-FDG-PET/CT in the initial staging of very high-risk Ewing Sarcoma in a prospective multicentric Phase II Study: Is there still a place for bone marrow sampling?

Br J Cancer

November 2024

Adolescents and Young Adults Unit, Medical Oncology and SIREDO (Care, Innovation and Research for Children, Adolescents, and Young Adults with Cancer) Departments, Curie Institute, Paris, France.

Article Synopsis
  • - The Ewing Sarcoma Family of Tumors (ESFT) includes rare cancers, with a significant portion showing metastatic spread, especially affecting bone and bone marrow, which worsens prognosis and necessitates stronger treatments.
  • - The French phase II COMBINAIR3 study compared the effectiveness of PET/CT to traditional bone marrow aspiration and biopsy (BMAB) for staging extra-pulmonary metastatic ESFT in 42 patients.
  • - Results indicated that PET/CT had high specificity (100%) and notable sensitivity (83.3%) in detecting bone marrow involvement, suggesting it can replace BMAB for initial staging, thereby enhancing treatment planning for high-risk ESFT patients.
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Article Synopsis
  • The SOLAR study compared the effectiveness of a long-acting injection treatment (CAB + RPV LA) to a daily oral regimen (BIC/FTC/TAF) for HIV over 12 months, showing that the injection was just as effective in managing the virus.
  • Out of 670 participants, those who switched to CAB + RPV LA reported significantly higher treatment satisfaction and better mental health outcomes compared to those who continued with BIC/FTC/TAF.
  • 90% of participants preferred the long-acting injection, indicating a positive shift in perceptions regarding HIV treatment by reducing psychological challenges associated with daily medication regimens.
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Article Synopsis
  • This study analyzed data from multiple centers to explore how machine learning can help in predicting treatment strategies (surgery vs. conservative) for patients with adult spine deformity (ASD).
  • It found that patients whose initial treatment approach matched the machine learning predictions were more likely to reach meaningful clinical improvement, measured by the Minimum Clinically Important Difference (MCID) in various health indices.
  • The results indicated that different patient clusters (based on conditions like scoliosis and sagittal imbalance) showed varying success rates in achieving MCID, emphasizing the importance of accurate treatment predictions in improving patient outcomes.
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