31 results match your criteria: "University Medical Center of the Johannes Gutenberg-University Mainz Mainz[Affiliation]"

Our prospective study investigates the 3-year trajectory of disease-specific quality of life (QoL) using the PEmb-QoL questionnaire, functional performance via 6-min walk tests, and the 5-year survival following acute pulmonary embolism (PE) and explores their association with patient demographics and clinical characteristics. We highlight that PE-specific QoL improves over time despite no significant changes in cardiopulmonary performance.

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Background: Even after atrial fibrillation (AF) catheter ablation, many patients still experience relevant symptom burden. The objective of the MENTAL AF trial was to determine whether app-based mental training (MT) during the 3 months following pulmonary vein isolation reduces AF-related symptoms.

Methods And Results: Patients scheduled for pulmonary vein isolation were enrolled and randomized 1:1 to either app-based MT or usual care.

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Background: Current interest surrounding large language models (LLMs) will lead to an increase in their use for medical advice. Although LLMs offer huge potential, they also pose potential misinformation hazards.

Objective: This study evaluates three LLMs answering urology-themed clinical case-based questions by comparing the quality of answers to those provided by urology consultants.

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Incidence of childhood cancer in Latin America and the Caribbean: coverage, patterns, and time trends.

Rev Panam Salud Publica

February 2024

International Agency for Research on Cancer Lyon France International Agency for Research on Cancer, Lyon, France.

Objective: To provide a comprehensive overview of geographical patterns (2001-2010) and time trends (1993-2012) of cancer incidence in children aged 0-19 years in Latin America and the Caribbean (LAC) and interpret the findings in the context of global patterns.

Methods: Geographical variations in 2001-2010 and incidence trends over 1993-2012 in the population of LAC younger than 20 years were described using the database of the third volume of the International Incidence of Childhood Cancer study containing comparable data. Age-specific incidence per million person-years (ASR) was calculated for population subgroups and age-standardized (WSR) using the world standard population.

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Article Synopsis
  • The manuscript focuses on real-world evidence (RWE) in pulmonary hypertension (PH), involving experts from the Pulmonary Vascular Research Institute.
  • The goal is to enhance the research community's understanding of RWE to advance clinical research and improve patient care for those with PH.
  • The text reviews sources of real-world data (RWD), highlights challenges and opportunities in using RWD for PH research, and identifies necessary resources to generate impactful RWE for the global PH community.
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Background The CVSS (Cardiac and Vascular Late Sequelae in Long-Term Survivors of Childhood Cancer) study aimed to investigate the prevalence of different stages of heart failure (HF) in childhood cancer survivors (CCSs) compared with the general population. Methods and Results A total of 1002 CCSs (age range, 23-48 years) diagnosed with neoplasia before an age of 15 years underwent a comprehensive cardiovascular screening. An age- and sex-matched sample from the population-based GHS (Gutenberg Health Study) served as a comparison group.

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During the last two decades, large epidemiological studies have shown that the physical environment, including noise, air pollution or heavy metals, have a considerable impact on human health. It is known that the most common cardiovascular risk factors are all associated with endothelial dysfunction. Vascular tone, circulation of blood cells, inflammation, and platelet activity are some of the most essential functions regulated by the endothelium that suffer negative effects as a consequence of environmental pollution, causing endothelial dysfunction.

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Objective: The current study was undertaken to prospectively explore whether having low levels of von Willebrand factor (vWF) antigen and vWF activity reduce the risk for cardiovascular disease and death.

Methods: VWF antigen and vWF activity were measured by enzyme-linked immunosorbent assay and an immunological-based assay, respectively, in a subsample of 4857 individuals aged between 35 and 74 years old, enrolled between April 2007 and October 2008 in the population-based Gutenberg Health Study. VWF antigen and activity below the 20th percentile was set as a measure of "low vWF.

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Background: Allergen immunotherapy (AIT) is an approved treatment for seasonal respiratory allergic diseases. A depigmented polymerized birch pollen extract for subcutaneous allergen immunotherapy (SCIT) has been demonstrated to be efficacious and safe in patients allergic to birch pollen and its homologous group.

Objective: To determine whether SCIT with a birch pollen formulation (5000 depigmented polymerized (DPP) units/mL) shows sustained and long-term efficacy in adults and adolescents with birch-pollen induced allergic rhinitis with or without intermittent asthma.

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Background: Despite over 30 years of clinical experience, high-quality studies on the efficacy of bilateral versus unilateral deep brain stimulation (DBS) of the ventral intermediate (VIM) nucleus of the thalamus for medically refractory essential tremor (ET) remain limited.

Objectives: To compare benefits and risks of bilateral versus unilateral VIM DBS using the largest ET DBS clinical trial dataset available to date.

Methods: Participants from the US St.

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Klippel-Trénaunay syndrome (KTS) is a rare congenital disorder defined by a triad of capillary malformation, venous malformation, and soft tissue or bone hypertrophy most commonly affecting unilateral lower limbs. Due to the rarity of KTS, evidence-based guidelines for the management of pregnancy in people with KTS are still lacking. A 34-year-old woman (gravidity 1; parity 0) presented at 25 weeks of gestation with malformations of the right side of her body.

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Background Regular exercise training represents an important modifier of arterial stiffness (AS). Therefore, sex-specific relations between domains of physical activity (PA; commuting, domestic, and leisure-time PA, including active sport and occupational PA) with AS were investigated. Methods and Results Stiffness index by digital photoplethysmography was investigated in 12 650 subjects from the GHS (Gutenberg Health Study).

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Cardiovascular disease (CVD) is the leading cause of death in patients with nonalcoholic fatty liver disease (NAFLD). The current analysis expands the knowledge on atherogenic lipid profiles in NAFLD by modeling changes in low-density lipoprotein cholesterol (LDL-C) and total cholesterol (TC) in a prospectively enrolling real-life study cohort to inform physicians on the cardiovascular (CV) event risk based on these changes. A total of 304 patients with histologically confirmed NAFLD were included (mean age, 52 years; equal sex distribution).

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Background Endothelial dysfunction is a consequence of type 2 diabetes mellitus, but it is unclear whether endothelial dysfunction of conductance versus resistance vessels may also precede type 2 diabetes mellitus development. Methods and Results In a population-based cohort of 15 010 individuals from the GHS (Gutenberg Health Study) (aged 35-74 years at enrollment in 2007-2012), we identified 1610 cases of incident pre-diabetes mellitus and 386 cases of incident type 2 diabetes mellitus by hemoglobin A (HbA) and/or medical history between 2012 and 2017. Endothelial function of conductance and resistance vessels was measured by flow-mediated dilation and digital volume plethysmography-derived reactive hyperemia index, respectively.

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A functioning mentor-trainee relationship is of high importance in academia. Discrepancies in expectations between principal investigators (PIs) and trainees are a source of misunderstandings and conflicts, endangering scientific progress and career advancement. In this pilot study, we sought to explore the expectations of PIs and trainees, providing consensus data from physician-scientists and junior researchers who attended an educational workshop, entitled "The EASL/AASLD Masterclass," in December 2017.

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Aim: To investigate the influence of the radiographic modalities panoramic radiography (PR) and cone beam computed tomography (CBCT) on selection of implant length and diameter.

Materials And Methods: Potential implant sites (59 sites, 40 patients) with available PRs and CBCTs were selected from the databases of two University dental schools. Six experienced clinicians were asked to select the appropriate implant length and diameter based on PR and CBCT.

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Phenotypic spectrum and diagnostic pitfalls of ABCB4 deficiency depending on age of onset.

Hepatol Commun

May 2018

Hannover Medical School, Division of Pediatric Gastroenterology and Hepatology, Department of Pediatric Kidney, Liver, and Metabolic Diseases Hannover Germany.

Genetic variants in the adenosine triphosphate-binding cassette subfamily B member 4 () gene, which encodes hepatocanalicular phosphatidylcholine floppase, can lead to different phenotypes, such as progressive familial intrahepatic cholestasis (PFIC) type 3, low phospholipid-associated cholelithiasis, and intrahepatic cholestasis of pregnancy. The aim of this multicenter project was to collect information on onset and progression of this entity in different age groups and to assess the relevance of this disease for the differential diagnosis of chronic liver disease. Clinical and laboratory data of 38 patients (17 males, 21 females, from 29 families) with homozygous or (compound) heterozygous mutations were retrospectively collected.

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Background: Familial transthyretin amyloidosis is a life-threatening disease presenting with sensorimotor and autonomic polyneuropathy. Delayed diagnosis has a detrimental effect on treatment and prognosis. To facilitate diagnosis, we analyzed data patterns of patients with transthyretin familial amyloid polyneuropathy (TTR-FAP) and compared them to polyneuropathies of different etiology for clinical and electrophysiological discriminators.

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Proteomic Analysis of Post-synaptic Density Fractions from Mutant Mice Reveals Brain Region Specific Changes Relevant to Autism Spectrum Disorder.

Front Mol Neurosci

February 2017

Institute for Anatomy and Cell Biology, Ulm UniversityUlm, Germany; Division of Neuroanatomy, Institute of Anatomy, Otto-von-Guericke UniversityMagdeburg, Germany; Leibniz Institute for NeurobiologyMagdeburg, Germany.

Disruption of the human gene can cause several neuropsychiatric disease entities including Phelan-McDermid syndrome, autism spectrum disorder (ASD), and intellectual disability. Although, a wide array of neurobiological studies strongly supports a major role for SHANK3 in organizing the post-synaptic protein scaffold, the molecular processes at synapses of individuals harboring mutations are still far from being understood. In this study, we biochemically isolated the post-synaptic density (PSD) fraction from striatum and hippocampus of adult mutant mice and performed ion-mobility enhanced data-independent label-free LC-MS/MS to obtain the corresponding PSD proteomes (Data are available via ProteomeXchange with identifier PXD005192).

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Alzheimer's disease (AD) is ultimately linked to the amyloid precursor protein (APP). However, current research reveals an important synaptic function of APP and APP-like proteins (APLP1 and 2). In this context various neurotrophic and neuroprotective functions have been reported for the APP proteolytic fragments sAPPα, sAPPβ and the monomeric amyloid-beta peptide (Aβ).

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The membrane bound metalloprotease meprin β is important for collagen fibril assembly in connective tissue formation and for the detachment of the intestinal mucus layer for proper barrier function. Recent proteomic studies revealed dozens of putative new substrates of meprin β, including the amyloid precursor protein (APP). It was shown that APP is cleaved by meprin β in distinct ways, either at the β-secretase site resulting in increased levels of Aβ peptides, or at the N-terminus releasing 11 kDa, and 20 kDa peptide fragments.

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Endogenous neurosteroids and neuroactive steroids have potent and widespread actions on the brain via inhibitory GABA receptors. In recombinant receptors and genetic mouse models their actions depend on the α, β, and δ subunits of the receptor, especially on those that form extrasynaptic GABA receptors responsible for non-synaptic (tonic) inhibition, but they also act on synaptically enriched γ2 subunit-containing receptors and even on αβ binary receptors. Here we tested whether behavioral sensitivity to the neuroactive steroid agonist 5β-pregnan-3α-ol-20-one is altered in genetically engineered mouse models that have deficient GABA receptor-mediated synaptic inhibition in selected neuronal populations.

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Adverse Social Experiences in Adolescent Rats Result in Enduring Effects on Social Competence, Pain Sensitivity and Endocannabinoid Signaling.

Front Behav Neurosci

October 2016

Research Group Developmental Neuropsychopharmacology, Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of HeidelbergMannheim, Germany; Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of HeidelbergMannheim, Germany.

Social affiliation is essential for many species and gains significant importance during adolescence. Disturbances in social affiliation, in particular social rejection experiences during adolescence, affect an individual's well-being and are involved in the emergence of psychiatric disorders. The underlying mechanisms are still unknown, partly because of a lack of valid animal models.

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