174 results match your criteria: "Amsterdam UMC University of Amsterdam[Affiliation]"

Sports participation and lifestyle in middle-aged adults with congenital heart disease.

Int J Cardiol Congenit Heart Dis

September 2024

Department of Cardiology, Erasmus MC, Rotterdam, the Netherlands.

Background: Sports are associated with numerous physiological and psychological benefits. However, it is unclear to what extent adults with congenital heart disease(CHD) participate in sports and whether this is safe. Furthermore, little is known about lifestyle habits in this group.

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Cyclosporine A combined with mycophenolate mofetil (CsA/MMF) has become an established regimen for the prevention of graft-versus-host disease (GVHD) following non-myeloablative (NMA) allogeneic hematopoietic stem cell transplantation (alloHSCT). However, the optimal duration of immunosuppression (IS) has not yet been defined and overtreatment is of concern. We hypothesized that time-restricted IS with CsA/MMF would increase the proportion of patients with non-severe GVHD compared to standard-duration IS, thereby resulting in reduction of the relapse rate and improvement of progression-free survival (PFS) and overall survival (OS).

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Mapping challenges in the accessibility of treatment products for urea cycle disorders: A survey of European healthcare professionals.

J Inherit Metab Dis

January 2025

Department of Pediatrics, Division of Metabolic Diseases, Emma Children's Hospital, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM), Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands.

Current management guidelines for urea cycle disorders (UCDs) offer clear strategies, incorporating both authorized and non-authorized medicinal products (including intravenous formulations and products regulated as food). These varying product categories are subject to specific accessibility challenges related to availability, reimbursement, and pricing. The aim of this study is to identify potential obstacles to optimal UCD treatment implementation in European clinical practice.

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Our study aimed to provide a description of the early childhood development of pediatric burn patients relative to Dutch reference values, using both pre- and post-burn data from the Dutch Development Instrument and the -score. Data from the Dutch Development Instrument were used to calculate the -score and age-standardized -score. Similar to a growth chart, the -score was used to plot pediatric burn patients' development relative to Dutch reference values for their age.

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Causes of death among patients diagnosed with chronic lymphocytic leukemia: A population-based study in the Netherlands, 1996-2020.

Hemasphere

November 2024

Department of Research and Development Netherlands Comprehensive Cancer Organisation (IKNL) Utrecht The Netherlands.

Chronic lymphocytic leukemia (CLL) manifests heterogeneously with varying outcomes. This population-based study examined causes of death (CODs), as registered by the physician who established the death, among 20,588 CLL patients diagnosed in the Netherlands between 1996 and 2020. Utilizing cause-specific flexible parametric survival models, we estimated cause-specific hazard ratios (HRs) and cumulative incidences of death due to CLL, solid malignancies, other hematological malignancies, infections, and other causes.

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Background: The administration of home parenteral nutrition improves quality of life for patients with intestinal failure, thus fostering their will to actively participate to social activities. Nevertheless, sports participation can be risky for patients with a central venous catheter (CVC). Despite literature thoroughly proving the positive impact of sports on motor-psychosocial development, no consistent evidence assessing its role on central-line complications is available.

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Background: Guideline development on testing is known to be difficult for guideline developers. It requires consideration of various aspects, such as accuracy, purpose of testing, and consequences on management and people-important outcomes. This can be outlined in a test-management pathway.

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Article Synopsis
  • Stimulation of mammalian cells with inflammatory inducers, like lipopolysaccharide (LPS), alters cellular metabolic pathways, particularly affecting enzymes in the tricarboxylic acid (TCA) cycle, which is crucial for releasing pro-inflammatory cytokines.
  • The study found that patients with certain genetic variants affecting fatty acid oxidation exhibited inadequate inflammatory responses to LPS due to issues with TLR4 expression and signaling.
  • The findings suggest that genes involved in fatty acid metabolism are essential not just for energy production but also for proper immune responses, shedding light on disease mechanisms in conditions like long-chain fatty acid oxidation disorders (lcFAODs).
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Article Synopsis
  • The text talks about a medical study comparing two procedures for patients who have both bile duct and stomach blockages at the same time.
  • In the study, 20 patients were treated, and it showed that one procedure (EUS-CDS) had more problems and shorter time without issues compared to the other procedure (EUS-HGS).
  • The results suggest that EUS-CDS may not be as good as EUS-HGS for these patients because it can lead to more complications and less chance of staying healthy longer without issues.
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Post-COVID-19 condition in children: epidemiological evidence stratified by acute disease severity.

Pediatr Res

September 2024

Department of Pediatric Pulmonology and Allergy, Emma Children's Hospital, Amsterdam University Medical Centre (Amsterdam UMC), University of Amsterdam (UvA), Amsterdam, The Netherlands.

Article Synopsis
  • The study aimed to investigate the prevalence of Pediatric Post-COVID-19 Condition (PPCC), identify associated risk factors, and evaluate the quality of life in children based on the severity of their acute COVID-19 illness.
  • A total of 579 children participated, with 260 experiencing mild COVID-19, 60 with severe disease, and 259 as a control group; results indicated that those with severe COVID-19 had a significantly higher prevalence of PPCC compared to mild cases and controls.
  • Findings showed that while prevalence of PPCC decreased over time, children exhibiting PPCC had worse physical health-related quality of life and fatigue, with risk factors including prior health issues, hospitalizations, and ongoing fatigue one month post-infection.
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Development and validation of prediction models for fetal growth restriction and birthweight: an individual participant data meta-analysis.

Health Technol Assess

August 2024

WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK.

Background: Fetal growth restriction is associated with perinatal morbidity and mortality. Early identification of women having at-risk fetuses can reduce perinatal adverse outcomes.

Objectives: To assess the predictive performance of existing models predicting fetal growth restriction and birthweight, and if needed, to develop and validate new multivariable models using individual participant data.

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Article Synopsis
  • * Data were compared from two periods: pre-VFC (2018) with 101 patients and post-VFC (2022) with 113 patients, showing a decrease in average wait time from 8.9 days to 7.6 days.
  • * Additionally, the percentage of surgeries delayed beyond 14 days dropped from 7% to 5%, indicating improved surgical planning and efficiency after VFC implementation.
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Over the past 10 years, institutional and national molecular tumor boards have been implemented for relapsed or refractory pediatric cancer to prioritize targeted drugs for individualized treatment based on actionable oncogenic lesions, including the Dutch iTHER platform. Hematological malignancies form a minority in precision medicine studies. Here, we report on 56 iTHER leukemia/lymphoma patients for which we considered cell surface markers and oncogenic aberrations as actionable events, supplemented with ex vivo drug sensitivity for six patients.

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Development, validation and long-term evaluation of a liquid chromatography-tandem mass spectrometry method for simultaneous quantification of amiodarone, desethylamiodarone and mexiletine in human plasma and serum.

J Chromatogr B Analyt Technol Biomed Life Sci

August 2024

Department of Pharmacy and Clinical Pharmacology, University of Amsterdam, Amsterdam UMC Location AMC, Amsterdam, The Netherlands; Medicines for Society Platform, Amsterdam UMC - University of Amsterdam, Amsterdam, The Netherlands.

Amiodarone and mexiletine are used for ventricular arrhythmias, for which a combination therapy of both anti-arrhythmic drugs (AADs) is not uncommon. Therapeutic drug monitoring (TDM) can be beneficial for clinical guidance of therapy, especially to correctly identify adverse events. Desethylamiodarone, the active metabolite of amiodarone, accumulates over time and is associated with serious adverse events.

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Extracellular vesicles (EVs) are membranous structures released by cells into the extracellular space and are thought to be involved in cell-to-cell communication. While EVs and their cargo are promising biomarker candidates, sorting mechanisms of proteins to EVs remain unclear. In this study, we ask if it is possible to determine EV association based on the protein sequence.

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Required knowledge for guideline panel members to develop healthcare related testing recommendations: a developmental study.

J Clin Epidemiol

September 2024

Department Epidemiology and Data Science, Amsterdam UMC/University of Amsterdam, Amsterdam, The Netherlands; Amsterdam Public Health Research Institute, Methodology Program, Amsterdam, The Netherlands.

Objectives: To define the minimum knowledge required for guideline panel members (healthcare professionals and consumers) involved in developing recommendations about healthcare related testing.

Study Design And Setting: A developmental study with a multistaged approach. We derived a first set of knowledge components from literature and subsequently performed semistructured interviews with 9 experts.

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Europe and North America are the 2 largest recipients of international migrants from low-resource regions in the world. Here, large differences in cardiovascular disease (CVD) morbidity and death exist between migrants and the host populations. This review discusses the CVD burden and its most important contributors among the largest migrant groups in Europe and North America as well as the consequences of migration to high-income countries on CVD diagnosis and therapy.

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Article Synopsis
  • Electrical storm (ES) is a serious condition characterized by repeated episodes of dangerous heart rhythms (ventricular arrhythmias) occurring within 24 hours, requiring medical intervention.
  • It mainly affects patients with existing heart issues or those with implantable cardioverter-defibrillators (ICDs), and it poses significant health risks despite advanced treatments.
  • The increasing number of older patients with heart conditions and ICDs suggests that the incidence of ES is likely to rise, prompting the need for comprehensive management strategies and a multi-disciplinary approach.
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Article Synopsis
  • Venous thromboembolism (VTE) significantly impacts cancer patients' health but education and awareness about it are severely lacking, with 63.5% of surveyed patients receiving inadequate information.
  • A study of 2262 cancer patients from 42 countries revealed that many felt unprepared to recognize VTE risks, with only 67.8% receiving guidance on seeking medical help when needed.
  • The research highlights critical gaps in VTE education and support, emphasizing the need for improved patient-centered care in managing cancer-associated VTE risks.
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Objectives: Abnormalities of gastric function in children with esophageal atresia (EA) could potentially contribute to gastrointestinal symptoms and reduced quality of life (QOL). Therefore, we aimed to determine the feasibility and clinical usefulness of gastric function testing in children with EA.

Methods: The validated PedsQL Gastrointestinal Symptoms Questionnaire (PedsQL-GI) was completed to assess gastrointestinal symptoms and symptom-related QOL.

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Background: Mouthguards are used to prevent players from orodental injuries in field hockey. However, such injuries are still a common problem. This study describes the prevalence of orodental injury and the related mouthguard usage in field hockey.

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Background And Aims: Decisions and learning processes are under metacognitive control, where confidence in one's actions guides future behaviour. Indeed, studies have shown that being more confident results in less action updating and learning, and vice versa. This coupling between action and confidence can be disrupted, as has been found in individuals with high compulsivity symptoms.

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Article Synopsis
  • Percutaneous coronary intervention using second-generation drug-eluting stents (DES), especially Everolimus-eluting stents (EES), is an effective treatment for obstructive coronary artery disease, improving patient outcomes.
  • EES are widely used due to strong evidence supporting their effectiveness, even in patients with complex coronary issues.
  • While newer biodegradable polymer DES may reduce inflammation, they haven't yet proven to be more effective or safer than Xience stents, which are part of the EES family discussed in the article.
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Studying the topology of peroxisomal acyl-CoA synthetases using self-assembling split sfGFP.

Histochem Cell Biol

February 2024

Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam UMC-University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.

Peroxisomes are membrane-bounded organelles that contain enzymes involved in multiple lipid metabolic pathways. Several of these pathways require (re-)activation of fatty acids to coenzyme A (CoA) esters by acyl-CoA synthetases, which may take place inside the peroxisomal lumen or extraperoxisomal. The acyl-CoA synthetases SLC27A2, SLC27A4, ACSL1, and ACSL4 have different but overlapping substrate specificities and were previously reported to be localized in the peroxisomal membrane in addition to other subcellular locations.

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Article Synopsis
  • The study explores the lesser-known role of the cerebellum in PTSD by analyzing cerebellar volume differences in a large sample of 4,215 adults, with 1,642 diagnosed with PTSD and 2,573 as healthy controls.
  • Using advanced deep-learning techniques, researchers assessed the total cerebellum volume and 28 subregions, revealing significant reductions in both gray and white matter in individuals with PTSD, especially in specific posterior lobe and vermis areas.
  • The results suggest that changes in cerebellar structure are linked to cognitive and emotional dysfunctions in PTSD, highlighting the cerebellum's importance beyond its traditional role in motor control.
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