72,123 results match your criteria: "University of Groningen & University Medical Center Groningen[Affiliation]"

Massive hydropyonephrosis on pediatric patient: A case report of management and source control.

Int J Surg Case Rep

January 2025

Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand; Department of Biomedical Science, Faculty of Medicine, Universitas Surabaya, Indonesia.

Introduction And Importance: Dilation and stretching of the collecting system of the kidney due to obstruction of urine flow is called hydronephrosis. This case may be accompanied by the presence of pus known as pyonephrosis. This case report reporting massive pyonephrosis in pediatrics related to management and source of control.

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Objective: Social factors are central in personal recovery (PR) and treatment of psychosis. However, weak associations between social involvement and PR were found. We aimed to replicate this weak association, and test whether it was explained by a moderating effect of neuroticism and extraversion.

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COVID-19 can increase the long-term risk of multiorgan dysfunction. Few studies investigated the long-term risk in Asian populations or investigated the association between viral load and long-term risk. We aimed to investigate the post-discharge rates of hospitalization and association with baseline viral load in all patients with COVID-19 in Hong Kong.

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Food allergies are a global health problem that continues to grow annually, with a prevalence of more than 10%. Shrimp allergy is the most common and life-threatening allergy. There is no cure for food allergies, but shrimp allergen extract (SAE) offers promise as a treatment through allergen-specific immunotherapy (AIT).

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Validation of quantitative [F]NaF PET uptake parameters in bone diseases: a systematic review.

Ann Nucl Med

December 2024

Department of Endocrinology and Metabolism, Rare Bone Disease Center, Amsterdam University Medical Centers (UMC), Vrije Universiteit, Amsterdam Movement Sciences, Amsterdam, The Netherlands.

Purpose: [F]NaF PET has become an increasingly important tool in clinical practice toward understanding and evaluating diseases and conditions in which bone metabolism is disrupted. Full kinetic analysis using nonlinear regression (NLR) with a two-tissue compartment model to determine the net rate of influx (K) of [F]NaF is considered the gold standard for quantification of [F]NaF uptake. However, dynamic scanning often is impractical in a clinical setting, leading to the development of simplified semi-quantitative parameters.

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Background: Nosocomial pneumonia is common in trauma patients and associated with an adverse prognosis. We recently externally validated and recalibrated an existing formula to predict nosocomial pneumonia risk. Identifying more potential predictors could aid in a more accurate prediction of nosocomial pneumonia risk in level-1 trauma patients.

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Evaluation of Neonatal Screening Programs for Tyrosinemia Type 1 Worldwide.

Int J Neonatal Screen

December 2024

Laboratory of Metabolic Diseases, Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, P.O. Box 30 001, 9700 RB Groningen, The Netherlands.

In The Netherlands, newborn screening (NBS) for tyrosinemia type 1 (TT1) uses dried blood spot (DBS) succinylacetone (SUAC) as a biomarker. However, high false-positive (FP) rates and a false-negative (FN) case show that the Dutch TT1 NBS protocol is suboptimal. In search of optimization options, we evaluated the protocols used by other NBS programs and their performance.

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In recent years, synthetic Computed Tomography (CT) images generated from Magnetic Resonance (MR) or Cone Beam Computed Tomography (CBCT) acquisitions have been shown to be comparable to real CT images in terms of dose computation for radiotherapy simulation. However, until now, there has been no independent strategy to assess the quality of each synthetic image in the absence of ground truth. In this work, we propose a Deep Learning (DL)-based framework to predict the accuracy of synthetic CT in terms of Mean Absolute Error (MAE) without the need for a ground truth (GT).

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Chronic kidney disease (CKD) is a chronic disorder characterized by kidney fibrosis and extracellular matrix accumulation that can lead to end-stage kidney disease. Epithelial-to-mesenchymal transition, inflammatory cytokines, the TGF-β pathway, Wnt/β-catenin signaling, the Notch pathway, and the NF-κB pathway all play crucial roles in the progression of fibrosis. Current medications, such as renin-angiotensin-aldosterone system inhibitors, try to delay disease development but do not stop or reverse fibrosis.

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Delayed Diagnosis of Disseminated Invasive Aspergillosis with Purulent Myocarditis in an Immunocompromised Host.

Infect Dis Rep

November 2024

Department of Internal Medicine and Infectious Diseases, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands.

Invasive aspergillosis (IA) is an opportunistic fungal infection that typically occurs in the immunocompromised host and is associated with severe morbidity and mortality. Myocardial abscess formation is seldomly described. We present a case of IA with purulent myocarditis.

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Healthy working-age adults are susceptible to illness or caregiving requirements resulting from annual seasonal influenza, leading to considerable societal and economic impacts. The objective of this targeted narrative review is to understand the societal burden of influenza in terms of absenteeism and productivity loss, based on the current literature. This review includes 48 studies on the impact of influenza and influenza-like illness (ILI) and reports on the effect of influenza vaccination, age, disease severity, caring for others, comorbidities, and antiviral prophylaxis on absenteeism and productivity loss due to influenza/ILI, focusing on publications originating from Canada, Europe, and the United States.

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We are facing a world-wide shortage of clean drinking water which will only be further exacerbated by climate change. The development of reliable and affordable methods for water remediation is thus of utmost importance. Chlorine (which forms active hypochlorites in solution) is the most commonly used disinfectant due to its reliability and low cost.

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Deep dermal and full-thickness burns often result in scar sequelae such as contractures, hypertrophy, pain and itching following split-thickness skin grafting. Dermal substitutes are currently employed alongside split-thickness skin grafting to enhance clinical outcomes, though their indications remain a subject of ongoing debate. This systematic review aims to clarify the indications for the application of dermal substitutes in burn patients, in both acute and reconstructive settings.

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Background: The FAIR (Findable, Accessible, Interoperable, Reusable) data principles are a guideline to improve the reusability of data. However, properly implementing these principles is challenging due to a wide range of barriers.

Objectives: To further the field of FAIR data, this study aimed to systematically identify barriers regarding implementing the FAIR principles in the area of child and adolescent mental health research, define the most challenging barriers, and provide recommendations for these barriers.

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Rapid non-invasive measurement of mitochondrial oxygen tension after microneedle pre-treatment: a feasibility study in human volunteers.

J Clin Monit Comput

December 2024

Department of Critical Care, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.

Mitochondrial oxygen tension (MitoPO2) is a promising novel non-invasive bedside marker of circulatory shock and is associated with organ failure. The measurement of mitoPO2 requires the topical application of 5-aminolevulinc acid (ALA) to induce sufficient concentrations of the fluorescent protein protoporphyrin-IX within (epi)dermal cells. Currently, its clinical potential in guiding resuscitation therapies is limited by the long induction time prior to obtaining a reliable measurement signal.

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Aims: Iron deficiency (ID) is highly prevalent in patients with heart failure (HF) and associated with morbidity and poor prognosis, but pathophysiological mechanisms are unknown. We aimed to identify novel biological pathways affected by ID.

Methods And Results: We studied 881 patients with HF from the BIOSTAT-CHF cohort.

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Aims: In the EMPACT-MI trial, empagliflozin reduced heart failure (HF) hospitalizations but not mortality in acute myocardial infarction (MI). Contemporary reports of clinical event rates with and without type 2 diabetes mellitus (T2DM) in acute MI trials are sparse. The treatment effect of empagliflozin in those with and without T2DM in acute MI is unknown.

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Imaging-based quantitative assessment of biomolecular condensates in vitro and in cells.

J Biol Chem

December 2024

European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands. Electronic address:

The formation of biomolecular condensates contributes to intracellular compartmentalization and plays an important role in many cellular processes. The characterization of condensates is however challenging, requiring advanced biophysical or biochemical methods that are often less suitable for in vivo studies. A particular need for easily accessible yet thorough methods that enable the characterization of condensates across different experimental systems thus remains.

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This work presents strong evidence supporting the use of decellularized human iliac arteries combined with adipose tissue-derived stem cells (hASCs) as a promising alternative for vascular tissue engineering, opening the path to future treatments for peripheral artery disease (PAD). PAD is a progressive condition with high rates of amputation and mortality due to ischemic damage and limited graft options. Traditional synthetic grafts often fail due to poor integration, while autologous grafts may be unsuitable for patients with compromised vascular health.

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Background: Coronary artery disease (CAD) comprises one of the leading causes of morbidity and mortality both in the European population and globally. All established clinical risk stratification scores and models require blood lipids and physical measurements. The latest reports of the European Commission suggest that attracting health professionals to collect these data can be challenging, both from a logistic and cost perspective, which limits the usefulness of established models and makes them unsuitable for population-wide screening in resource-limited settings, i.

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Objective: Effective operating room (OR) learning requires surgical and surgical-educational skills. Current insights into educational skills of surgical educators are derived from general perceptions of supervisors and residents via survey and interview studies. This study aims to provide insight into what educators and residents perceive as good OR supervision behavior based on actual day-to-day collaboration.

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Challenges in Describing Tremor and Dystonia.

Neurology

January 2025

Departments of Neurology, Human Genetics and Pediatrics, Emory University, Atlanta, GA.

Tremor is defined as an oscillatory and rhythmical movement. By contrast, dystonia is defined by sustained or intermittent abnormal postures, repetitive movements, or both. Tremor and dystonia often coexist in the same individual.

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Dual-energy x-ray absorptiometry (DXA) in practice: a clinical centre survey endorsed by the European Association of Nuclear Medicine (EANM).

Eur J Nucl Med Mol Imaging

December 2024

Department of Nuclear Medicine & Molecular Imaging (EB50), University Medical Center Groningen, University of Groningen, Hanzeplein 1, PO, 9700 RB, Groningen, The Netherlands.

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COVID-19 may pose a mental health risk to funeral service workers (FSWs). In this cross-sectional survey, 278 Dutch FSWs were assessed three months after the acute phase of the pandemic ended. The FSWs reported on burnout symptoms (BAT-12), work engagement (UWES-9), wellbeing (MHC-SF) mental health indicators, and retrospectively on work stress and perceived support during the acute phase of the pandemic.

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Despite first-void urine (FVU) being increasingly recognized as a credible specimen for human papillomavirus (HPV) detection, there is a lack of well-validated testing methods providing full quantitative genotyping required for vaccine impact monitoring from FVU samples. The Allplex HPV28 assay, capable of individually detecting 28 HPV genotypes, presents a promising method. We aimed to evaluate its genotype-specific performance on FVU samples, following optimization of FVU preanalytics.

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