3,365 results match your criteria: "Medical Center of the Johannes-Gutenberg-University Mainz[Affiliation]"

Article Synopsis
  • Memory impairment often affects individuals with neurodegenerative disorders like Parkinson's disease, prompting the study to explore how deep brain stimulation during sleep might enhance memory consolidation.
  • In a pilot study involving 24 Parkinson's patients, low frequency (4 Hz) and high frequency (130 Hz) deep brain stimulation were administered during early NREM sleep, with only patients receiving low frequency stimulation showing significant improvements in overnight memory retention.
  • The findings suggest that memory can be influenced by the frequency of deep brain stimulation applied during sleep, with improved retention linked to increased low frequency brain activity measurable by electroencephalography.
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Article Synopsis
  • The text reviews advancements in dual-source photon-counting detector CT (PCD-CT) technology for cardiovascular imaging since its approval in 2021, focusing on innovative applications and research.
  • A structured literature review identified studies that highlighted benefits such as improved image quality, better radiation dose management, and feasibility for non-invasive diagnostics in diverse patient populations.
  • Despite these advantages, there are ongoing challenges like high costs, extensive data handling, slower reconstruction times, and the need for more clinical evidence to validate the technology's superiority.
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Background: The EXCELLENT registry aimed to evaluate the effectiveness of the EMBOTRAP Revascularization Device in an all-comer population in a real-world setting, with a focus on the composition of retrieved clots.

Methods: EXCELLENT is a prospective, global registry of patients with acute ischemic stroke treated with EMBOTRAP as the first-line mechanical thrombectomy device conducted at 34 sites (25 sites contributing clot) from September 2018 to March 2021, utilizing core imaging and central histology laboratories blinded to clinical data, independent 90-day modified Rankin Scale assessment and Clinical Events Committee.

Results: After screening 3799 patients, a total of 997 subjects (mean age, 70.

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Our prospective study investigates the 3-year trajectory of disease-specific quality of life (QoL) using the PEmb-QoL questionnaire, functional performance via 6-min walk tests, and the 5-year survival following acute pulmonary embolism (PE) and explores their association with patient demographics and clinical characteristics. We highlight that PE-specific QoL improves over time despite no significant changes in cardiopulmonary performance.

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Current evidence suggests that ontogeny may account for the functional heterogeneity of some tissue macrophages, but not others. Here, we asked whether developmental origin drives different functions of skin Langerhans cells (LCs), an embryo-derived mononuclear phagocyte with features of both tissue macrophages and dendritic cells. Using time-course analyses, bone marrow chimeras, and fate tracing models, we found that the complete elimination of embryo-derived LCs at steady state results in their repopulation from circulating monocytes.

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The exposome encompasses the full range of environmental exposures throughout a person's lifetime and plays an important role in cardiovascular health. Interactions with the social, natural, and built components of the exposome significantly impact cardiovascular disease prevalence and mortality. Robust data analytics, including machine learning and geospatial analysis, have advanced our understanding of how these factors converge to influence cardiovascular disease risk.

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Epidermal maintenance of Langerhans cells relies on autophagy-regulated lipid metabolism.

J Cell Biol

February 2025

Laboratory CNRS I2CT/UPR3572 Immunology, Immunopathology and Therapeutic Chemistry, Strasbourg Drug Discovery and Development Institute (IMS), Institut de Biologie Moléculaire et Cellulaire , Strasbourg, France.

Macroautophagy (often-named autophagy), a catabolic process involving autophagy-related (Atg) genes, prevents the accumulation of harmful cytoplasmic components and mobilizes energy reserves in long-lived and self-renewing cells. Autophagy deficiency affects antigen presentation in conventional dendritic cells (DCs) without impacting their survival. However, previous studies did not address epidermal Langerhans cells (LCs).

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Differential contributions of the gut microbiota and metabolome to pathomechanisms in ulcerative colitis: an analysis.

Gut Microbes

November 2024

Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium.

The gut microbiota has been implicated in onset and progression of ulcerative colitis (UC). Here, we assess potential causal involvement of the microbiota and -associated fecal water (FW) metabolome in altering key functional parameters of the colonic epithelium. Fecal samples were collected from  = 51 healthy controls (HC),  = 36 patients with active UC (UC-A), and  = 41 subjects in remission  = 41 (UC-R).

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Introduction: Men are generally more susceptible to bacterial infections than women. Central venous catheters (CVCs), often used to administer systemic treatment in patients with cancer, are an important source of infection. However, little is known about sex-specific differences of CVC-related bloodstream infections (CRBSIs) in patients with cancer.

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Meta-Analysis of Renal Denervation Therapy During Pulmonary Vein Isolation in Atrial Fibrillation.

Am J Cardiol

February 2025

Division of Cardiology, Department of Medicine, Duke University School of Medicine, Durham, North Carolina; Duke Clinical Research Institute, Durham, North Carolina. Electronic address:

Pulmonary vein isolation (PVI) has been established as a first-line therapy for symptomatic atrial fibrillation (AF) in selected patients with symptomatic AF and in those whose antiarrhythmic drug treatment failed. However, AF recurrence rates after PVI remain high, prompting the exploration of adjunct therapies, such as renal denervation (RDN), to improve outcomes. This meta-analysis aimed to assess the efficacy of RDN as an adjunct to PVI in reducing AF recurrence.

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Undifferentiated embryonal sarcoma of the liver is a rare mesenchymal malignancy that predominantly occurs in children. The relationship between this tumor entity and germline pathogenic variants (PVs) remains undefined. Here, we present the clinical case of a male patient diagnosed with undifferentiated embryonal sarcoma of the liver.

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Background: Head and neck squamous cell carcinomas (HNSCCs) are heterogeneous in terms of origin and aetiology. In addition, there is uncertainty about the genetic evolution from initial diagnosis to recurrence after primary treatments and further disease progression following systemic treatment. Changes in the genetic profile have implications on the selection of appropriate treatments for patients, especially in the era of targeted therapies and immunotherapies.

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Automated blood vessel segmentation is critical for biomedical image analysis, as vessel morphology changes are associated with numerous pathologies. Still, precise segmentation is difficult due to the complexity of vascular structures, anatomical variations across patients, the scarcity of annotated public datasets, and the quality of images. Our goal is to provide a foundation on the topic and identify a robust baseline model for application to vascular segmentation using a new imaging modality, Hierarchical Phase-Contrast Tomography (HiP-CT).

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Article Synopsis
  • The study investigates how different pain syndromes influence levels of pain catastrophizing in patients.
  • A total of 727 chronic pain patients were categorized into groups based on their pain syndrome: breast cancer survivors, fibromyalgia, complex regional pain syndrome, and HIV.
  • Results revealed three distinct clusters of pain catastrophizing: low (mostly breast cancer patients), moderate (predominantly fibromyalgia patients), and high (mainly HIV and CRPS patients), with helplessness being a significant factor in the high catastrophizing group.
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Objective: This case report illustrates a clinical scenario of a patient with insufficient crowns, gold onlays and localized tooth pain in the posterior teeth, treated with partial and full coverage lithium disilicate restorations.

Clinical Considerations: A female patient presented in the clinics, complaining about tooth pain and unesthetic metal restorations. After a thorough examination, diagnosis and treatment plan, the existing restorations were removed, and a defect-oriented preparation was done to preserve as much as possible of the remaining tooth structure.

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: Prolonged Grief Disorder (PGD) has been recognized as a mental health disorder and was added to the ICD-11 and DSM-5-TR. Despite the same name, both versions of PGD differ in symptom count, content, and diagnostic algorithm. A single instrument to screen for both PGD diagnoses is critical for bereavement research and care.

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Aim: Enterostomy takedown is common in neonates with Hirschsprung's disease, anorectal malformations, or necrotizing enterocolitis. Stapled bowel anastomosis has become routine in adults, but size of up to 12 mm diameter precludes performing enterostomy takedown in young infants using regular intestinal staplers. After the introduction of miniature (5 mm diameter) staplers, we increasingly used them for enterostomy takedown.

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Article Synopsis
  • This study explores the challenges of multitasking in the operating room (OR), focusing on how various distractions impact surgical performance in a virtual reality (VR) setting.
  • Researchers created an immersive virtual reality environment that simulates an OR, incorporating different types of distractions (auditory, visual, and audio-visual) while participants practice laparoscopic skills.
  • Participants, consisting of medical students and surgical residents, underwent a series of controlled tasks while their stress, heart rate, and perceptions of time were tracked, along with feedback collected through questionnaires to evaluate usability and immersion.
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Disentangling Neurodegeneration From Aging in Multiple Sclerosis Using Deep Learning: The Brain-Predicted Disease Duration Gap.

Neurology

November 2024

From the Queen Square Multiple Sclerosis Centre (G.P., F.P., J.C., B.K., O.A.-M., S.A.-A., A. Bianchi, W.J.B., R. Christensen, E.C., S. Collorone, M.A.F., Y.H., A.H., S. Mohamud, R.N., A.T.T., J.W., C.Y., O.C., F.B.), Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, United Kingdom; MS Center Amsterdam (G.P., H.V., F.B.), Radiology and Nuclear Medicine, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, Amsterdam UMC location VUmc, the Netherlands; Departments of Advanced Biomedical Sciences and Electrical Engineering and Information Technology (G.P., A. Brunetti, S. Cocozza), University of Naples "Federico II," Italy; Centre for Medical Image Computing (F.P., B.K., F.B.), Department of Medical Physics and Biomedical Engineering, University College London, United Kingdom; E-Health Center (F.P.), Universitat Oberta de Catalunya, Barcelona, Spain; Institute of Neuroradiology (B.B., C.L.), St. Josef Hospital, Ruhr-University Bochum, Germany; Department of Advanced Medical and Surgical Sciences (A. Bisecco, A.G.), University of Campania "Luigi Vanvitelli," Naples, Italy; Translational Imaging in Neurology (ThINK) Basel (A.C., C. Granziera), Department of Biomedical Engineering, Faculty of Medicine, University Hospital Basel, University of Basel; Neurologic Clinic and Policlinic (A.C., C. Granziera, J.K.), MS Center and Research Center for Clinical Neuroimmunology and Neuroscience Basel (RC2NB), University Hospital Basel, University of Basel, Switzerland; Department of Neurosciences, Biomedicine and Movement Sciences (M. Calabrese, M. Castellaro), University of Verona; Department of Information Engineering (M. Castellaro), University of Padova; Department of Medicine, Surgery and Neuroscience (R. Cortese, N.D.S.), University of Siena, Italy; Department of Neurology (C.E., D.P.), Medical University of Graz, Austria; Neuroimaging Research Unit (M.F., M.A.R., P.V.), Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Neurology Unit, Neurorehabilitation Unit, Neurophysiology Service, IRCCS San Raffaele Scientific Institute; Vita-Salute San Raffaele University (M.F., M.A.R., P.V.), Milan; Department of Neurosciences (C. Gasperini, S.R.), San Camillo-Forlanini Hospital, Rome, Italy; Department of Neurology (G.G.-E., S.G.), Focus Program Translational Neuroscience (FTN) and Immunotherapy (FZI), Rhine Main Neuroscience Network (rmn2), University Medical Center of the Johannes Gutenberg University Mainz, Germany; Department of Neurology (H.F.F.H., E.A.H., G.O.N.), Oslo University Hospital; Institute of Clinical Medicine (H.F.F.H., E.A.H., G.O.N.), and Department of Psychology (E.A.H.), University of Oslo, Norway; Neuroimmunology and Multiple Sclerosis Unit Laboratory of Advanced Imaging in Neuroimmunological Diseases (ImaginEM) (S.L., E.M.-H.), Hospital Clinic Barcelona, Fundació de Recerca Clínic Barcelona-Institut d'Investigacions Biomèdiques August Pi i Su, Barcelona, Spain; Department of Neurology (C.L.), St. Josef Hospital, Ruhr-University Bochum, Germany; Nuffield Department of Clinical Neurosciences (S. Messina, J.P.), University of Oxford, United Kingdom; Department of Molecular Medicine and Medical Biotechnology (M.M.), and Department of Neurosciences and Reproductive and Odontostomatological Sciences (M.P.), University of Naples "Federico II"; Department of Human Neurosciences (M.P.), Sapienza University of Rome, Italy; Section of Neuroradiology (A.R.), Department of Radiology, and Centre d'Esclerosi Múltiple de Catalunya (Cemcat) (J.S.-G.), Department of Neurology/Neuroimmunology, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; MS Center Amsterdam (E.M.M.S.), Neurology, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, Amsterdam UMC location VUmc, the Netherlands; Department of Neurology and Center of Clinical Neuroscience (T.U.), and Department of Radiology (M.V.), First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic; MS Center Amsterdam (M.M.S.), Anatomy and Neurosciences, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, Amsterdam UMC location VUmc, the Netherlands; Centre for Medical Image Computing (J.H.C.), Department of Computer Science, and Dementia Research Centre (J.H.C., F.B.), UCL Queen Square Institute of Neurology, University College London, United Kingdom.

Background And Objectives: Disentangling brain aging from disease-related neurodegeneration in patients with multiple sclerosis (PwMS) is increasingly topical. The brain-age paradigm offers a window into this problem but may miss disease-specific effects. In this study, we investigated whether a disease-specific model might complement the brain-age gap (BAG) by capturing aspects unique to MS.

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Article Synopsis
  • Interferon-beta (IFN-β) remains crucial for managing multiple sclerosis (MS), with pegylated (PEG) IFN-β offering less frequent dosing for patients with relapsing-remitting MS (RRMS).
  • A study examined laboratory results and side effects between two forms of IFN-β treatment (PEG-IFN-β-1a and IFN-β-1a) among patients with clinically isolated syndrome (CIS) or RRMS over nine years.
  • Findings indicated that PEG-IFN-β-1a led to lower leukocyte counts and higher rates of leukopenia and neutropenia compared to IFN-β-1a, though both treatments had similar disease activity outcomes
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Implementing verifiable oncological imaging by quality assurance and optimization (i‑Violin) : Protocol for a European multicenter study.

Radiologie (Heidelb)

November 2024

Institute of Medical Technology, Faculty for electrical engineering and Information Technology, Otto-von-Guericke-University Magdeburg, Otto-Hahn-Str. 2, 39106, Magdeburg, Germany.

Background: Advanced imaging techniques play a pivotal role in oncology. A large variety of computed tomography (CT) scanners, scan protocols, and acquisition techniques have led to a wide range in image quality and radiation exposure. This study aims at implementing verifiable oncological imaging by quality assurance and optimization (i-Violin) through harmonizing image quality and radiation dose across Europe.

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