10,673 results match your criteria: "Radcliffe Department of Medicine ; University of Oxford ; Oxford[Affiliation]"

Cerebral near-infrared spectroscopy guided neonatal intensive care management for the preterm infant.

Pediatr Res

November 2024

University of Groningen, University Medical Center Groningen, Beatrix Children's Hospital, Division of Neonatology, Groningen, The Netherlands.

Infants requiring admission to the neonatal intensive care unit (NICU) are particularly vulnerable to developing brain injury. The severity of the underlying clinical conditions and the complexity of care call for continuous, cot-side, non-invasive monitoring tools. Near-infrared spectroscopy (NIRS) measures the regional tissue oxygen saturation of hemoglobin (rStO) and provides continuous information on the net-result of several factors.

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Background: takotsubo syndrome (TTS) is an acute heart failure syndrome characterized by a relevant comorbid background, including chronic obstructive pulmonary disease (COPD). However, TTS patients with COPD are still not well characterized.

Aim: to describe the clinical characteristics and outcomes of patients with TTS and COPD.

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Cardiovascular diseases are the leading cause of death among women, and the incidence among younger women has shown the greatest increase over the last decades, in particular for acute myocardial infarction (AMI). Moreover, the prognosis of women post-AMI is poor when compared with men of similar ages. Since the 1990s, an abundant literature has highlighted the existing differences between sexes with regard to presentation, burden, and impact of traditional risk factors and of risk factors pertaining predominantly to women, the perception of risk by women and men, and the pathophysiological causations, their treatment, and prognosis.

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This good practice paper (GPP) is intended to support clinicians in assessing patient fitness for bleomycin and in management of bleomycin pulmonary toxicity (BPT) where it occurs. Bleomycin, originally developed as an antibiotic in the 1960s, has been a cornerstone of therapy for classical Hodgkin lymphoma (CHL) since results of its use in combination with doxorubicin, vincristine and dacarbazine (ABVD) were first published by Bonadonna et al in 1975 1. The same author recognised high rates of respiratory morbidity in these patients 2, and bleomycin-;related pulmonary toxicity (BPT) is now a well-;recognised and feared complication with its use.

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Background: The win ratio (WR) is an emerging alternative for reporting composite outcomes, prioritizing clinically significant events such as mortality while incorporating surrogate measures. However, its benefits should be weighed against limitations, particularly the influence of lower hierarchical outcomes. This secondary analysis of the PARAGLIDE-HF trial performed a WR sensitivity analysis using a modified hierarchical composite outcome to assess the utility of WR sensitivity analysis and the efficacy of sacubitril/valsartan versus valsartan.

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Background: Eosinophilic granulomatosis with polyangiitis (EGPA) is a rare vasculitis associated with significant cardiac morbidity and mortality. This case report presents the diagnostic and management challenges of EGPA-related arrhythmias in a remote general hospital setting.

Case Summary: A 64-year-old Caucasian male presented with an indolent prodrome of fatigue, shortness of breath and anorexia, that culminated in an acute presentation with pulmonary embolism.

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Objective: To evaluate implementation of a patient decision aid for symptomatic uterine fibroid management to improve shared decision-making at five clinical settings across the United States.

Methods: We used a type 3 hybrid effectiveness-implementation stepped-wedge design and the Reach, Effectiveness, Adoption, Implementation, Maintenance (RE-AIM) planning and evaluation framework. We conducted clinician training, monthly reach tracking with feedback to site clinical leads, patient and clinician surveys, and visit audio-recordings.

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People are self-biased for rewards. We place a higher value on rewards if we receive them than if other people do. However, existing work has ignored one of the most powerful theorems from behavioural ecology of how animals seek resources in everyday life, the Marginal Value Theorem (MVT), which accounts for optimal behaviour for maximising resources intake rate.

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Protein Biomarkers of Adverse Clinical Features and Events in Sarcomeric Hypertrophic Cardiomyopathy.

Circ Heart Fail

December 2024

Departments of Medicine, Radiology, and Pathology, Brigham and Women's Hospital, Boston, MA (R.Y.K., M.J.-H., P.J., C.Y.H.).

Background: Hypertrophic cardiomyopathy (HCM) is a heterogeneous condition that can lead to atrial fibrillation, heart failure, and sudden cardiac death in many individuals but mild clinical impact in others. The mechanisms underlying this phenotypic heterogeneity are not well defined. The aim of this study was to use plasma proteomic profiling to help illuminate biomarkers that reflect or inform the heterogeneity observed in HCM.

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Background: The Global Polio Eradication Initiative (GPEI) has drastically reduced the global incidence of poliomyelitis since its launch in 1988 thanks to effective vaccines and strong global surveillance systems. However, detections of wild-type as well as vaccine-derived poliovirus (VDPV) still occur, also in the WHO European Region. This study aims to describe the poliovirus detection via the acute flaccid paralysis (AFP), clinical enterovirus, and environmental surveillance systems.

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In recent years, a small number of people with rare diseases caused by unique genetic variants have been treated with therapies developed specifically for them. This pioneering field of genetic N-of-1 therapies is evolving rapidly, giving hope for the individualized treatment of people living with very rare diseases. In this Review, we outline the concept of N-of-1 individualized therapies, focusing on genetic therapies, and illustrate advances and challenges in the field using cases for which therapies have been successfully developed.

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Background: Oritavancin is a lipoglycopeptide antibacterial agent used to treat infections caused by Gram-positive organisms. It is FDA-approved for the treatment of acute bacterial skin and soft tissue infections (ABSSIs) but is increasingly being used off-label to treat invasive bacterial infections such as osteomyelitis, prosthetic joint infection and infective endocarditis.

Objectives: This study describes the clinical outcomes and adverse reactions related to oritavancin.

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Recent advancements in research have significantly enhanced our comprehension of the intricate immune components that contribute to multiple sclerosis (MS) pathogenesis. By conducting an in-depth analysis of complex molecular interactions involved in the immunological cascade of the disease, researchers have successfully identified novel therapeutic targets, leading to the development of innovative therapies. Leveraging pioneering technologies in proteomics, genomics, and the assessment of environmental factors has expedited our understanding of the vulnerability and impact of these factors on the progression of MS.

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Association of coronary inflammation with plaque vulnerability and fractional flow reserve in coronary artery disease.

J Cardiovasc Comput Tomogr

November 2024

Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, South Korea; Institute on Aging, Seoul National University, Seoul, South Korea. Electronic address:

Background: The fat attenuation index (FAI) measured using coronary computed tomography angiography (CCTA) enables the direct evaluation of pericoronary adipose tissue composition and vascular inflammation. We aimed to investigate the association of fractional flow reserve (FFR) and plaque vulnerability with coronary inflammation.

Methods: Patients with suspected coronary artery disease (CAD) who underwent CCTA and invasive FFR measurements within 90-day were included.

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Contemporary epidemiology of hospitalised heart failure with reduced versus preserved ejection fraction in England: a retrospective, cohort study of whole-population electronic health records.

Lancet Public Health

November 2024

British Heart Foundation Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK; Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK; British Heart Foundation Centre of Research Excellence, University of Cambridge, Cambridge, UK; National Institute for Health Research Blood and Transplant Research Unit in Donor Health and Behaviour, University of Cambridge, Cambridge, UK; Health Data Research UK Cambridge, Wellcome Genome Campus, University of Cambridge, Cambridge, UK; Cambridge Centre for Artificial Intelligence in Medicine, University of Cambridge, Cambridge, UK; British Heart Foundation Data Science Centre, London, UK. Electronic address:

Background: Heart failure is common, complex, and often associated with coexisting chronic medical conditions and a high mortality. We aimed to assess the epidemiology of people admitted to hospital with heart failure with reduced ejection fraction (HFrEF) and heart failure with preserved ejection fraction (HFpEF), including the period covering the COVID-19 pandemic, which was previously not well characterised.

Methods: In this retrospective, cohort study, we used whole-population electronic health records with 57 million individuals in England to identify patients hospitalised with heart failure as the primary diagnosis in any consultant episode of an in-patient admission to a National Health Service (NHS) hospital.

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Article Synopsis
  • * Researchers studied a Caucasian family with a history of AFFs and identified a rare genetic variant in the LOXL4 gene that may be associated with increased susceptibility to these fractures.
  • * The LOXL4 gene is involved in collagen production, and the variant may disrupt collagen metabolism, leading to microdamage in bones and poor healing, as indicated by tests on cells from affected individuals.
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Article Synopsis
  • Cardiac amyloidosis (CA) is an often overlooked cause of heart failure (HF), highlighting the importance of early detection and timely therapy for better patient outcomes.
  • A global survey with 1,460 physicians revealed that while many have experience diagnosing CA in patients with preserved ejection fraction (HFpEF), systematic screening is not widely practiced, with only 10% conducting routine checks.
  • There is significant variability in screening and management strategies for CA, indicating a need for better education and access to disease-modifying therapies within the HF community.
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Article Synopsis
  • Adding vitamin C-rich fruits like guava to iron-containing meals, such as mungbean dal, may help improve hemoglobin levels and reduce anemia in children.
  • A study with 200 rural school children in India found that eating mungbean dal with guava led to significant increases in hemoglobin and a decrease in anemia prevalence compared to eating mungbean dal alone.
  • Although there was a positive effect on hemoglobin and anemia rates, the addition of guava did not significantly improve the overall body iron stores of the children.
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Over the past decades, there have been great advancements in the antithrombotic management of patients undergoing percutaneous interventions, but most of the available evidence derives from studies conducted in the setting of cardiac interventions. Antithrombotic treatment regimens used in patients undergoing percutaneous cardiac interventions, in particular coronary, are frequently extrapolated to patients undergoing noncardiac interventions. However, the differences in risk profile of the population treated and the types of interventions performed may translate into differences is the safety and efficacy associated with antithrombotic therapy.

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Using QALYs as an Outcome for Assessing Global Prediction Accuracy in Diabetes Simulation Models.

Med Decis Making

January 2025

Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, UK.

Objectives: (1) To demonstrate the use of quality-adjusted life-years (QALYs) as an outcome measure for comparing performance between simulation models and identifying the most accurate model for economic evaluation and health technology assessment. QALYs relate directly to decision making and combine mortality and diverse clinical events into a single measure using evidence-based weights that reflect population preferences. (2) To explore the usefulness of Q, the proportional reduction in error, as a model performance metric and compare it with other metrics: mean squared error (MSE), mean absolute error, bias (mean residual), and .

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Targeted hematopoietic stem cell depletion through SCF-blockade.

Stem Cell Res Ther

October 2024

Division of Hematology, Oncology, Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA.

Article Synopsis
  • HSCT is a potentially curative treatment for blood and immune diseases but often involves harmful chemotherapy or radiation, leading to serious side effects like infections and secondary cancers.
  • Research has shown that using targeted monoclonal antibodies (mAbs) against αCD117 can offer a safer alternative for HSCT preparations, with promising results in SCID mouse models.
  • The study identifies that the ACK2 mAb effectively inhibits HSC proliferation and enhances engraftment after HSCT, and when combined with the αCD47 mAb, it significantly improves outcomes in wildtype mouse models.
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Article Synopsis
  • The study explored genetic links to neuropathic pain by comparing individuals with the condition to those who had injuries but did not experience neuropathic pain.
  • Key findings included significant associations with the KCNT2 gene and pain intensity, as well as other genes like LHX8 and TCF7L2 connected to neuropathic pain.
  • The research also highlighted the influence of polygenic risk scores related to depression and inflammation on neuropathic pain, while discovering novel genetic variants tied to specific sensory profiles.
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Article Synopsis
  • Identifying early events in neurodegenerative disorders, like Huntington's disease (HD), is essential for creating preventive treatments, particularly focusing on the role of dysfunctional indirect pathway spiny projection neurons (iSPNs) and increased dopamine levels.
  • The study reveals that genetic disruption of iSPN function in mice leads to heightened levels of striatal dopamine, potentially causing early symptoms like hyperkinesia, before observable dysfunction occurs.
  • By analyzing iSPNs, researchers found that reducing the protein GSTO2 could prevent dopaminergic issues and delay hyperkinetic symptoms, highlighting the significance of maintaining dopamine balance in HD progression.
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