4,474 results match your criteria: "Copenhagen University Hospital-Rigshospitalet.[Affiliation]"

It is not well investigated whether exposure to specific drug classes is associated with COVID-19. We investigated the risk of SARS-CoV-2 infection and severe COVID-19 among healthcare workers according to prescription drug use. We conducted an observational study among Danish healthcare workers.

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The superiority of TBI-based versus chemotherapy-conditioning for allo-HSCT in children with ALL has been established in the international, prospective phase-III FORUM study (#NCT01949129), randomizing 417 patients ≤ 18 years at diagnosis (4-21 years at HSCT) in CR, transplanted from HLA-matched sibling or unrelated donors. Due to the unavailability of TBI in some regions and to accommodate individual contraindications, this study reports the pre-specified comparison of outcomes of patients receiving busulfan-based (BU) or treosulfan-based (TREO) regimens from 2013 to 2018. 180 and 128 patients (median age 9.

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Introduction: Both liraglutide and colesevelam improve bile acid diarrhea symptoms. Colesevelam binds excess amounts of diarrhea-causing bile acids in the colon, whereas the mode of action for liraglutide remains elusive. In this article, we examined the impact of colesevelam and liraglutide treatment on the concentrations of bile acids in serum and feces and the fecal microbiota composition to better understand the 2 drugs' modes of action.

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Article Synopsis
  • The study analyzes sudden cardiac death (SCD) trends in young people (1-35 years) in Denmark from 2000 to 2019, finding a significant overall decline in SCD incidence, decreasing by 3.31% annually.
  • It highlights that while witnessed SCD rates dropped significantly, unwitnessed cases remained stable, leading to a 79% increase in the proportion of unwitnessed SCDs.
  • Additionally, survival rates after out-of-hospital cardiac arrest (OHCA) improved from 3.9% to 28% primarily due to more bystander CPR and defibrillator use.
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In recent years, the national Gender Identity Service for individuals under 18 years of age in Denmark has seen a considerable increase in referrals of youngsters during puberty. Given this development, it is important to deepen our understanding of the characteristics of contemporary youngsters seeking help for gender incongruence. This understanding can serve as the foundation for improving current treatment regimens by ensuring optimal individual assessment and care.

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Background/objectives: Migraine is a disease that stands out for its high prevalence and socioeconomic costs. It involves the entire trigeminovascular system, the signaling substances, and their targets. However, the role of meningeal mast cells in migraine is still unclear.

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Background: The molecular composition of cerebrospinal fluid (CSF) is often used as a key indicator of biochemical alterations within distinct brain and spinal cord fluid compartments. The CSF protein content in lumbar CSF samples is widely employed as a biomarker matrix for diagnosing brain-related pathological conditions. CSF lipid profiles may serve as promising complementary diagnostics, but it remains unresolved if the lipid distribution is consistent along the neuroaxis.

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The ribotoxic stress response drives acute inflammation, cell death, and epidermal thickening in UV-irradiated skin in vivo.

Mol Cell

December 2024

Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Blegdamsvej 3, 2200 Copenhagen, Denmark; Center for Gene Expression, Department of Cellular and Molecular Medicine, University of Copenhagen, Blegdamsvej 3, 2200 Copenhagen, Denmark. Electronic address:

Solar UVB light causes damage to the outermost layer of skin. This insult induces rapid local responses, such as dermal inflammation, keratinocyte cell death, and epidermal thickening, all of which have traditionally been associated with DNA damage response signaling. Another stress response that is activated by UVB light is the ribotoxic stress response (RSR), which depends on the ribosome-associated mitogen-activated protein 3 kinases (MAP3K) ZAKα and culminates in p38 and JNK activation.

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The frequency and duration of imaging surveillance in children and adolescents with pediatric low-grade gliomas (pLGGs) aims for the early detection of recurrence or progression. Although surveillance of pLGGs is performed routinely, it is not yet standardized. The aim of the current review is to provide a comprehensive synthesis of published studies regarding the optimal frequency, intervals, and duration of surveillance.

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Multiple Endocrine Neoplasia type 1 (MEN1) Clinical Practice Guidelines (2012) are predominantly based on expert opinion due to limited available evidence at the time, leaving room for interpretation and variation in practices. Evidence on the natural course of MEN1-related neuroendocrine tumours (NET) and the value of screening programs has increased and new imaging techniques have emerged. The aim of this study is to provide insight in the current practices of screening and surveillance for MEN1-related NETs in ENETS Centers of Excellence (CoEs).

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Aims: The left atrial appendage (LAA) produces natriuretic peptides and its removal or occlusion might increase the risk of heart failure (HF). We aimed to investigate the incidence of HF after LAA occlusion or removal (LAAO) in the Left Atrial Appendage Occlusion Study (LAAOS III).

Methods And Results: Patients (n = 4811) with atrial fibrillation (AF) and a CHADS-VASc score ≥2, who were having cardiac surgery for another indication, were randomized to undergo surgical LAAO or not.

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Article Synopsis
  • Incidental uptake of tracers in or near the thyroid gland was found in a small percentage of patients undergoing specific PET scans for neuroendocrine neoplasms (NENs), raising questions about its significance.
  • Out of 1808 patients, 42 showed abnormal thyroid uptake, with 5 diagnosed with thyroid malignancies and 13 suggesting possible parathyroid adenomas.
  • The findings indicate a low overall prevalence but notable rates of malignancy and parathyroid conditions, highlighting the need for further studies to establish the best approaches for managing these incidental findings.
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It is common practice that allograft tissues for knee multiligament reconstruction, meniscus transplantation, cartilage replacement and other advanced procedures are made available through commercial banks. The aim was to present the 10-year experience with a local, non-commercial tissue bank, established in 2014. The allograft bank was connected to an existing organ donor program.

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Influence of cholecalciferol supplementation on changes in total 25OHD, free 25OHD, and free 25OHD % in relation to calcium, bone, and glucose homeostasis in young, infertile men.

J Steroid Biochem Mol Biol

February 2025

Division of Translational Endocrinology, Department of Endocrinology and Internal Medicine, Copenhagen University Hospital - Herlev and Gentofte, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark. Electronic address:

Background And Objective: While all types of vitamin D metabolites are bound to vitamin D binding protein and albumin leaving only a small fraction in its free active form, only serum concentrations of total 25-hydroxy vitamin D (25OHD) are used to determine vitamin D status in clinical practice. This study aimed to describe the association of total 25-hydroxy vitamin D (25OHD), calculated free 25OHD, and free 25OHD% (free 25OHD × 100 %/total 25OHD) with mineral, bone, and metabolic variables and assess the impact of cholecalciferol supplementation.

Research Design And Methods: Secondary data from a single-center, double-blinded, randomized, placebo-controlled clinical trial (NCT01304927) in 307 infertile men.

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Neurofilament light in serum: Reference values and effect of risk factors for multiple sclerosis.

Mult Scler Relat Disord

December 2024

Danish Multiple Sclerosis Center, Department of Neurology, Copenhagen University Hospital - Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark. Electronic address:

Background: The measurement of neurofilament light (NFL) in blood samples has been established as a sensitive measure of neuroaxonal damage in a wide range of diseases in the peripheral and central nervous system, including multiple sclerosis (MS). Previous studies have identified confounding factors that may influence the serum concentration of NFL.

Aim: We aimed at investigating the relationship between known confounders (age, body mass index, blood volume) and risk factors for MS (smoking and human leukocyte antigen (HLA)) on serum concentrations of NFL in control subjects.

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Article Synopsis
  • The study investigates the prevalence of omphalocele, a serious congenital defect, in a large cohort of live births in Denmark from 1997-2021.
  • More than half of the infants with omphalocele were found to have additional major malformations, indicating a significant risk for complications.
  • These findings emphasize the need to consider the long-term healthcare requirements for infants with omphalocele and associated syndromes.
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Introduction: Studies have shown varying patient adherence to long-term non-invasive positive airway pressure therapy (nPAP). We aimed to investigate adherence to long-term nPAP in a Danish cohort of patients with chronic respiratory insufficiency and/or sleep-disordered breathing (SDB) due to neuromuscular disorders (NMD), obesity-hypoventilation syndrome (OHS) or other reasons.

Methods: This cohort study included all adult patients with association to the Respiratory Center East treated with long-term nPAP: bilevel (BiPAP), automatic (APAP) and continuous (CPAP) or adaptive servo-ventilation (ASV) with a remote monitoring system in April 2022.

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  • Atrial fibrillation (AF) is a known stroke risk factor, but recent studies highlight that atrial cardiomyopathy could also raise stroke risk even without AF.
  • This study assessed genetic factors related to left atrial function and volume in over 380,000 individuals, finding that lower polygenic scores (PGS) for left atrial passive emptying were linked to a higher risk of ischemic stroke.
  • The results indicate that impaired left atrial function may independently contribute to stroke risk, suggesting a broader range of factors influencing stroke beyond just AF.
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Background: It is well-established that spermatogenesis, semen quality, and reproductive hormones are interlinked. It is, however, less well-described how various specific testicular histopathologies are linked to reproductive hormones and semen quality.

Objectives: To describe the detailed relationship between specific testicular histopathologies and the serum concentrations of reproductive hormones and semen quality.

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Primary Progressive Aphasia Across Languages: Prevalence and Presentation of Phenotypes Are Shaped by Language-Specific Features.

Neurology

December 2024

From the Danish Dementia Research Centre (T.R.N., D.K.), Department of Neurology, Copenhagen University Hospital - Rigshospitalet, and Department of Psychology (T.R.N.), University of Copenhagen, Denmark.

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Infections in sickle cell disease.

Haematologica

November 2024

Department of Haematological Medicine, King's College Hospital NHS Foundation Trust, London, UK; Red Cell Haematology, Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, King's College London, London.

Sickle cell disease (SCD) is one of the commonest severe inherited disorders in the world. Infection accounts for a significant amount of the morbidity and mortality, particularly in sub- Saharan Africa, but is relatively poorly studied and characterized. Patients with SCD have significant immunodeficiency and are more likely to suffer severe and life-threatening complications of infection, and additionally infections can trigger complications of SCD itself.

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Aims: Beta-blockers may inhibit neprilysin activity and conversely, neprilysin inhibition may have a sympatho-inhibitory action. Consequently, sacubitril/valsartan may have a greater effect in patients not receiving a beta-blocker compared to those treated with a beta-blocker.

Methods And Results: We examined the effect of sacubitril/valsartan compared to enalapril on outcomes according to background beta-blocker treatment in the 8399 patients with heart failure with reduced ejection fraction enrolled in PARADIGM-HF.

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The association between salivary oxytocin, age, and puberty in children with and without OCD.

Sci Rep

November 2024

Child and Adolescent Mental Health Center, Copenhagen University Hospital - Mental Health Services CPH, Gentofte Hospitalsvej 3A, Hellerup, 2900, Copenhagen, Denmark.

The oxytocin system has been thought to contribute to obsessive-compulsive disorder (OCD). Few studies, only involving adults, have investigated this hypothesis and have found inconsistent results regarding oxytocin system activity and OCD. We investigated whether salivary oxytocin concentrations differed between children and adolescents with and without OCD and qualified our comparative analysis by investigating the possible covariates age, pubertal stage, and sex.

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