8,480 results match your criteria: "Geneva Medical Faculty & University Hospitals of Geneva[Affiliation]"

Prioritising at-risk adults in vaccine coadministration trials.

Lancet Infect Dis

November 2024

Center for Vaccinology, University Hospitals Geneva, Geneva, Switzerland; Department of Pediatrics, Gynecology and Obstetrics, and Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland.

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Article Synopsis
  • - The study investigates the retinal phenotype in two siblings with new genetic variants linked to hereditary spastic paraplegia type 56 (HSP 56), which resemble type 2 macular telangiectasis (MacTel).
  • - Five family members underwent extensive ophthalmic evaluations and genetic testing, revealing that the affected siblings exhibited specific retinal anomalies, including loss of retinal transparency and abnormal pigment distribution.
  • - The findings suggest a potential connection between the observed retinal issues and the genetic variants, indicating a shared pathway in the development of both MacTel and the hereditary condition.
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Scientific discoveries often hinge on synthesizing decades of research, a task that potentially outstrips human information processing capacities. Large language models (LLMs) offer a solution. LLMs trained on the vast scientific literature could potentially integrate noisy yet interrelated findings to forecast novel results better than human experts.

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Updated cancer burden in oldest old: A population-based study using 2022 Globocan estimates.

Cancer Epidemiol

November 2024

Ageing, Cancer, and Disparities Research Unit, Department of Precision Health, Luxembourg Institute of Health, 1A-B, rue Thomas Edison, Strassen 1445, Luxembourg. Electronic address:

Background: The global population aged 80 years or older is expected to triple by 2050, leading to an increased cancer burden in the oldest population. This study describes the estimated cancer incidence and mortality in 2022 and projections for 2050 in the oldest old, analyzed globally and by world regions and World Bank income levels, for all sexes combined, as well as separately for males and females.

Methods: Using GLOBOCAN 2022 estimates, we reported the estimated number of new cancer cases (excluding non-melanoma skin cancers), deaths, and truncated age-standardized incidence (ASIR) and mortality rates (ASMR) (per 100,000 individuals aged 80 years or older).

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Abbreviated or Standard Antiplatelet Therapy After PCI in Diabetic Patients at High Bleeding Risk.

JACC Cardiovasc Interv

November 2024

Cardiocentro Ticino Institute, Ente Ospedaliero Cantonale, Lugano, Switzerland; Faculty of Biomedical Sciences, University of Italian Switzerland, Lugano, Switzerland; University of Bern, Bern, Switzerland. Electronic address:

Background: Abbreviated antiplatelet therapy (APT) reduces bleeding without increasing ischemic events in largely unselected high bleeding risk (HBR) patients undergoing percutaneous coronary intervention (PCI). Diabetes mellitus (DM) is associated with higher ischemic risk, and its impact on the safety and effectiveness of abbreviated APT in HBR PCI patients remains unknown.

Objectives: This study sought to investigate the comparative effectiveness of abbreviated (1 month) vs standard (≥3 months) APT in HBR patients with and without DM after biodegradable polymer sirolimus-eluting coronary stent implantation.

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Objective: To compare the effectiveness of interventions for the management of long covid (post-covid condition).

Design: Living systematic review.

Data Sources: Medline, Embase, CINAHL, PsycInfo, Allied and Complementary Medicine Database, and Cochrane Central Register of Controlled Trials from inception to December 2023.

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Metabolic dysfunction-associated fatty liver disease (MASLD) is a common liver and health issue associated with heightened cardiovascular disease (CVD) risk, with Cytokeratin 18 (CK-18) as a marker of liver injury across the MASLD to cirrhosis spectrum. Autoantibodies against apolipoprotein A-1 (AAA-1s) predict increased CVD risk, promoting atherosclerosis and liver steatosis in apoE-/- mice, though their impact on liver inflammation and fibrosis remains unclear. This study examined AAA-1s' impact on low-grade inflammation, liver steatosis, and fibrosis using a MASLD mouse model exposed to AAA-1s passive immunization (PI).

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Route to Measure Exact Parameters of Bio-Nanostructures Self-Assembly.

Biomolecules

October 2024

Department of Cell Physiology and Metabolism, Faculty of Medicine, University of Geneva, Rue Michel Servet 1, CH-1211 Geneva, Switzerland.

Artificial bio-nanocoatings, primarily composed of proteins, offer a broad range of applications across various fields thanks to their unique properties. Proteins, as major components of these structures, enable a high degree of customization, such as mutations, conjugation with other molecules or nanoparticles, or the inclusion of an enzymatic activity. Their ability to self-assembly simplifies the production of bio-nanocoatings, making this process efficient and environment-friendly.

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Background: Persons with schizophrenia are excluded from psychedelic-assisted therapy due to concerns about the risk of triggering or worsening psychosis. However, there is limited meta-analytic data on the risk of psychedelic-induced psychosis in individuals with pre-existing psychotic disorders.

Methods: We conducted a systematic review, meta-analysis, and overview of reviews to assess the incidence of psychedelic-induced psychosis and symptom exacerbation in schizophrenia.

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Article Synopsis
  • * In 2019, approximately 236.6 million people required treatment for schistosomiasis, highlighting its significant impact on fishing and agricultural communities.
  • * The Vaccine Value Profile (VVP) is a comprehensive assessment created by a group of experts to evaluate the public health and economic potential of new vaccines targeting schistosomiasis, emphasizing the need to address existing research gaps.
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: The Measles-Rubella Microarray Patch (MR-MAP) is an important technology that is expected to reduce coverage and equity gaps for measles-containing vaccines (MCVs), reach zero-dose children, and contribute to elimination of measles and rubella. MR-MAPs are anticipated to be easier to deploy programmatically and could be delivered by lesser-trained health workers, thereby increasing immunization coverage. The most advanced MR-MAP has reached clinical proof-of-concept through a Phase I/II trial in the target population of infants and young children.

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Purpose: Overproduction of the intrinsic chromosomally-encoded AmpC β-lactamase is one of the main mechanisms responsible for broad-spectrum β-lactam resistance in Pseudomonas aeruginosa. Our study aimed to evaluate the in-vitro activity of anti-pseudomonal β-lactam molecules associated with the recently-developed and commercially-available β-lactamase inhibitors, namely avibactam, relebactam and vaborbactam, against P. aeruginosa isolates overproducing their AmpC.

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  • Blood presence in the fourth ventricle significantly predicts poor outcomes for patients with aneurysmal subarachnoid hemorrhage (aSAH), particularly those with higher severity grades (grade 3 and 4).
  • The study analyzed 817 aSAH patients using a fourth ventricular hemorrhage scale and found that the introduction of active blood clearance and delayed cerebral ischemia prevention (ABCD) improved patient outcomes, especially in those with severe hemorrhages.
  • Ultimately, patients with grade 4 hemorrhage who received ABCD showed a notable reduction in poor outcomes, improving from 93% to 76%, and an increase in those achieving functional independence after six months.
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Background: Health guideline developers engage with interested people and groups to ensure that guidelines and their recommendations are relevant and useful to those who will be affected by them. These 'interest-holders' include patients, payers/purchasers of health services, payers of health research, peer review editors, product makers, programme managers, policymakers, providers, principal investigators, and the public. The Guidelines International Network (GIN) and McMaster University Guideline Development Checklist describes 146 steps of the guideline process organized into 18 topics.

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Concurrent and prospective associations of social media usage with binge eating symptoms in early adolescence.

Obesity (Silver Spring)

November 2024

Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.

Objective: This study investigated longitudinal relationships between social media usage and binge eating (BE) in early adolescence and explored potential moderating effects of sex and BMI.

Methods: Data from the Adolescent Brain Cognitive Development (ABCD) Study, including 1940 participants aged 11 to 12 years at Wave 1, were analyzed over three annual waves. Social media addiction (SMA) scores and time spent on social media were calculated from self-report questionnaires.

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Thyroidectomy without radioiodine in patients with low-risk thyroid cancer: 5 years of follow-up of the prospective randomised ESTIMABL2 trial.

Lancet Diabetes Endocrinol

January 2025

Department of Biostatistics and Epidemiology, Gustave Roussy, Paris, France; University Paris-Saclay, Paris, France; Office of Biostatistics and Epidemiology, Gustave Roussy, Université Paris-Saclay, Villejuif, France; Inserm, Université Paris-Saclay, CESP U1018, Oncostat, labelled Ligue Contre le Cancer, Villejuif, France.

Background: ESTIMABL2, a multicentre randomised phase 3 trial in patients with low-risk differentiated thyroid cancer (ie, pT1am or pT1b, N0 [no evidence of regional nodal involvement] or Nx [involvement of regional lymph nodes that cannot be assessed in the absence of neck dissection]), showed the non-inferiority of a follow-up strategy without radioactive iodine (I) administration compared with a postoperative I administration at 3 years post-randomisation. Here, we report a pre-specified analysis after 5 years of follow-up.

Methods: Patients treated with total thyroidectomy with or without prophylactic neck lymph node dissection, without postoperative suspicious findings on neck ultrasonography, were randomly assigned to the no-radioiodine group or to the radioiodine group (1·1 GBq-30 mCi after recombinant human thyrotropin-stimulating hormone).

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In Vivo Tau and Neurodegeneration Imaging in a Family With the Presenilin 1 Met146Leu Pathogenic Variant.

Neurology

December 2024

From the Laboratory of Neuroimaging and Innovative Molecular Tracers (NIMTlab) (C.B.), Geneva University Neurocenter and Faculty of Medicine, University of Geneva, Switzerland; Center for Mind/Brain Sciences (A.D.), CIMeC, University of Trento, Italy; Division of Radiology (M.S.), Geneva University Hospitals, Switzerland; Department of Primary Care (V.L., A.C.B., R.C.), Regional Neurogenetic Centre, ASP Catanzaro, Lamezia Terme; Institute of Neurology (E.F.), Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy; Geneva Memory Center (G.B.F.), Geneva University Hospitals, Switzerland; Nuclear Medicine Unit (D.P.), San Raffaele Hospital, Milan; Vita-Salute San Raffaele University (D.P.), Milan, Italy; and Division of Nuclear Medicine and Molecular Imaging (V.G.), Geneva University Hospitals, Switzerland.

Objectives: We investigated tau and neurodegeneration patterns and clinical phenotypes in carriers of a specific pathogenic variant in the PSEN1 gene and 1 nonaffected relative.

Methods: We included 3 symptomatic carriers of the c.436 A>C, p.

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Peripheral modification is often the main approach to optimize natural products for improved biological activity or desired physicochemical properties. This procedure inevitably increases molecular weight, often accompanied by undesired increased lipophilicity. Removing structural elements from natural products is not always tolerated.

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Background: Our aim is to investigate the association of treatment with survival in patients with diffuse intrinsic pontine glioma (DIPG) by examining 6 historical treatment paths.

Methods: We retrospectively analyzed data from 409 patients with radiologically centrally reviewed DIPG, sourced from the German Society of Pediatric Oncology and Hematology HIT-HGG trial database and the SIOPE-DIPG/DMG Registry. Survival outcomes were estimated using the Kaplan-Meier method, and univariable and multivariable Cox proportional hazard models were estimated to study treatment effects.

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BK polyomavirus (BKPyV) causes premature renal failure in 10% to 30% of kidney transplant recipients (KTRs). Current guidelines recommend screening for new-onset BKPyV-DNAemia/nephropathy and reducing immunosuppression to regain BKPyV-specific immune control. Because BKPyV encompasses 4 major genotype (gt)-encoded serotypes (st1,-2,-3,-4), st-specific antibodies may inform the risk and course of BKPyV-DNAemia/nephropathy.

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D-PRISM: a global survey-based study to assess diagnostic and treatment approaches in pneumonia managed in intensive care.

Crit Care

November 2024

Division of Perioperative, Acute, Critical Care and Emergency Medicine, Department of Medicine, University of Cambridge, Level 4, Addenbrooke's Hospital, Hills Road, Cambridge, UK.

Article Synopsis
  • The D-PRISM study investigated global practices for diagnosing and treating pneumonia in ICU settings, focusing on community-acquired, hospital-acquired, and ventilator-associated pneumonia across different countries.
  • A survey gathered responses from 1,296 ICU clinicians across 72 countries, revealing varied diagnostic processes and a lack of standardized microbiological testing, particularly in lower-income regions.
  • Findings indicated that the typical antibiotic treatment duration was 5-7 days, with shorter durations linked to effective antimicrobial stewardship programs in higher-income countries.
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Identifying relationships between structural and functional networks is crucial for understanding the large-scale organization of the human brain. The potential contribution of emerging techniques like functional near-infrared spectroscopy to investigate the structure-functional relationship has yet to be explored. In our study, using simultaneous Electroencephalography (EEG) and Functional near-infrared spectroscopy (fNIRS) recordings from 18 subjects, we characterize global and local structure-function coupling using source-reconstructed EEG and fNIRS signals in both resting state and motor imagery tasks, as this relationship during task periods remains underexplored.

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Mechanisms by which G-patch activators tune the processive multi-tasking ATP-dependent RNA helicase Prp43 (DHX15 in humans) to productively remodel diverse RNA:protein complexes remain elusive. Here, a comparative study between a herein and previously characterized activators, Tma23 and Pxr1, respectively, defines segments that organize Prp43 function during ribosome assembly. In addition to the activating G-patch, we discover an inhibitory segment within Tma23 and Pxr1, I-patch, that restrains Prp43 ATPase activity.

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