3,446 results match your criteria: "Faculty of Medicine and University Hospital Cologne.[Affiliation]"

New diagnostic techniques for diagnosing facture-related infections.

Injury

November 2024

Institute for Medical Microbiology, Immunology, and Hygiene, University Hospital Cologne and Faculty of Medicine, University of Cologne, Cologne, Germany; Center for Molecular Medicine Cologne (CMMC), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany. Electronic address:

The diagnosis of fracture-related infections (FRI) is challenging and requires interdisciplinary efforts. Many diagnostic approaches are based on the algorithms established for prosthetic joint infections (PJI). Data specific to FRI are limited.

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Article Synopsis
  • Technological advancements are enhancing the use of computational methods in fields like health care, particularly in neuro-oncology, to improve clinical decision-making through various biomarkers.
  • Artificial intelligence (AI) algorithms, including radiomics, are being increasingly integrated, but challenges like generalizability and validation hinder their widespread application.
  • This Policy Review aims to provide recommendations for standardizing AI practices in health care, focusing on neuro-oncology, while discussing the importance of reliable AI for future clinical trials.
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Artificial Intelligence for Response Assessment in Neuro Oncology (AI-RANO), part 1: review of current advancements.

Lancet Oncol

November 2024

Institute of Neuroscience and Medicine (INM-4), Research Center Juelich (FZJ), Juelich, Germany; Department of Neurology, Faculty of Medicine and University Hospital Cologne, Cologne, Germany.

The development, application, and benchmarking of artificial intelligence (AI) tools to improve diagnosis, prognostication, and therapy in neuro-oncology are increasing at a rapid pace. This Policy Review provides an overview and critical assessment of the work to date in this field, focusing on diagnostic AI models of key genomic markers, predictive AI models of response before and after therapy, and differentiation of true disease progression from treatment-related changes, which is a considerable challenge based on current clinical care in neuro-oncology. Furthermore, promising future directions, including the use of AI for automated response assessment in neuro-oncology, are discussed.

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Recent clinical trials of drugs enhancing cyclic guanosine monophosphate (cGMP) signaling for cardiovascular diseases have renewed interest in cGMP biology within the kidney. However, the role of cGMP signaling in glomerular endothelial cells (GECs) and podocytes remains largely unexplored. Using acute kidney slices from mice expressing the FRET-based cGMP biosensor cGi500 in endothelial cells or podocytes enabled real-time visualization of cGMP.

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Background/aim: The trend in today's surgical gynecological oncology is to provide equal oncological safety with less radical surgery. The SHAPE trial demonstrated the non-inferiority of a simple hysterectomy compared to a radical hysterectomy in low-risk cervical cancer. As a result, the accuracy of preoperative diagnostics has become increasingly important to avoid both under- and overtreatment.

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  • Transcatheter aortic valve implantation (TAVI) via transfemoral access is becoming more common in treating aortic valve disease, though access-related vascular complications still affect about 10% of procedures.
  • This study analyzed patients from Dutch and German hospitals who underwent TF-TAVI between 2017 and 2021, focusing on those who had occlusive complications (OC) versus hemorrhagic complications (HC) requiring further intervention.
  • Results showed that patients with OC had significantly smaller arterial diameters compared to those with HC, while those with HC had a higher tortuosity index, highlighting the need for careful preoperative imaging to tailor prevention strategies.
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Impairments in personality functioning in adolescents with anorexia nervosa.

Eur Eat Disord Rev

October 2024

University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland.

Objective: Impairments in personality functioning (PF) according to the Alternative Model of Personality Disorders (AMPD) may affect anorexia nervosa (AN) and its treatment. However, PF impairments in adolescents with AN have not been studied. This case-control study analysed PF impairments in adolescent inpatients suffering from AN compared to a clinical control group (CC) and investigated the relationship of PF with AN severity.

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  • The study evaluates a new imaging technique called Relaxation-Enhanced Angiography without Contrast and Triggering (REACT) for visualizing abdominal arteries without the use of contrast agents, comparing its effectiveness to traditional 4D contrast-enhanced magnetic resonance angiography (4D CE-MRA).
  • Thirty patients participated, and two radiologists assessed the quality of images and detected any issues like stenosis or vascular anomalies using a structured scale.
  • The results showed that REACT had a longer total scan time than 4D CE-MRA but still performed well, detecting a high percentage of relevant stenoses and other vascular findings with image quality comparable to 4D CE-MRA.
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The Ritvo Autism Asperger Diagnostic Scale-Revised (RAADS-R) demonstrated excellent results in its original study, with a sensitivity of 97% and a specificity of 100% (Ritvo et al. in J Autism Dev Disord 41:1076-1089, 2011). As a result, it was included in the National Institute for Health and Care Excellence (NICE) guidelines (Recommendations | Autism spectrum disorder in adults: diagnosis and management | Guidance | NICE, 2022).

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Physiologists as medical scientists: An early warning from the German academic system.

Physiol Rep

November 2024

Institute for Experimental Cardiovascular Medicine, University Heart Center Freiburg · Bad Krozingen, University of Freiburg, Freiburg, Germany.

"Medical scientists" are postgraduate investigators who are engaged in biomedical research, and either hold a biomedical PhD or are qualified in medicine but do not participate in patient care. Medical scientists constitute ~40% of staff at medical faculties and >90% at nonuniversity medical research institutions in Germany. However, medical scientists in Germany face limited long-term career prospects and a lack of dedicated training and support programmes.

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Objectives: Allergic bronchopulmonary aspergillosis (ABPA) is a complex lung disease associated with significant morbidity. The ABPA Working Group (AWG) of the International Society for Human and Animal Mycology (ISHAM) revised their management guidelines in 2024, but there is currently no standardised tool to assess adherence to these recommendations.

Methods: We extracted key recommendations from the updated 2024 ISHAM-AWG guidelines, focusing on critical areas: screening and diagnosis of ABPA, managing acute and treatment-dependent ABPA, and monitoring treatment response.

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  • * A pathogenic variant was found in 31% of the total cases analyzed, with higher rates in specific conditions like focal cortical dysplasia type II (33%) and hemimegalencephaly (62%), particularly involving the mTOR signaling pathway.
  • * The identification of germline and somatic variants, especially in focal epilepsy genes, provides insights for future analyses on genetic factors related to surgical outcomes, which could enhance patient counseling and treatment plans.
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Selective Extrauterine Placental Perfusion in Monochorionic Twins Is Feasible-A Case Series.

Children (Basel)

October 2024

Division of Neonatology, Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937 Cologne, Germany.

Article Synopsis
  • Monochorionic (MC) twins face risks like twin-to-twin transfusion syndrome (TTTS) and anemia, leading to potential complications during preterm delivery.
  • A study investigated a new method called selective extrauterine placental perfusion (EPP) with delayed umbilical cord clamping (DCC) for the donor twin, aiming to reduce anemia while still managing the recipient's condition.
  • The results showed that using this EPP method in three cases successfully maintained healthy hemoglobin levels in the donor twins without needing blood transfusions, suggesting it could improve outcomes in similar situations.
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ESTRO-EANO guideline on target delineation and radiotherapy for IDH-mutant WHO CNS grade 2 and 3 diffuse glioma.

Radiother Oncol

January 2025

Edinburgh Cancer Centre, Western General Hospital, Edinburgh, UK; Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK.

Purpose: This guideline will discuss radiotherapeutic management of IDH-mutant grade 2 and grade 3 diffuse glioma, using the latest 2021 WHO (5th) classification of brain tumours focusing on: imaging modalities, tumour volume delineation, irradiation dose and fractionation.

Methods: The ESTRO Guidelines Committee, CNS subgroup, nominated 15 European experts who identified questions for this guideline. Four working groups were established addressing specific questions concerning imaging, target volume delineation, radiation techniques and fractionation.

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Sex, Racial/Ethnic, and Regional Disparities in Pulmonary Embolism Mortality Trends in the USA, 1999-2020.

J Racial Ethn Health Disparities

October 2024

Department of Anesthesiology, Montefiore Medical Center, Albert Einstein College of Medicine, 111 East 210Th Street, Bronx, NY, USA.

Background: While the National Institutes of Health emphasize integrating sex as a biological variable into research, specific considerations of sex-related differences in pulmonary embolism (PE) mortality trends remain scarce. This study examines sex-based PE mortality trends across regional and demographic groups in the USA from 1999 to 2020.

Methods: A retrospective analysis of National Center for Health Statistics mortality data from 1999 to 2020 was conducted.

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The effect of subthalamic stimulation (STN-DBS) on patients' personal satisfaction with life and their Parkinson's disease (PD) treatment is understudied, as is its correlation with quality of life (QoL). Therefore, we tested the hypothesis that STN-DBS for PD enhances satisfaction with life and treatment. In a prospective, multicenter study with a 6-month follow-up involving 121 patients, we measured the main outcomes using the Satisfaction with Life and Treatment Scale (SLTS-7).

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Background: Humanized mice transplanted with CD34 hematopoietic cells (HPCs) are broadly used to study human immune responses and infections in vivo and for testing therapies pre-clinically. However, until now, it was not clear whether interactions between the mouse major histocompatibility complexes (MHCs) and/or the human leukocyte antigens (HLAs) were necessary for human T-cell development and immune reactivity.

Methods: We evaluated the long-term (20-week) human hematopoiesis and human T-cell development in NOD Scid Gamma (NSG) mice lacking the expression of MHC class I and II (NSG-DKO).

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Background: Orthostatic intolerance occurs following immobilization in patients on Earth and in astronauts after spaceflight. Head-down tilt bedrest is a terrestrial model for weightlessness and induces orthostatic intolerance. We hypothesized that lower-body negative pressure (LBNP) or cycling followed by wearing venous constrictive thigh cuffs mitigates orthostatic intolerance after head-down tilt bedrest.

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  • A population model was created to analyze the impact of increasing remdesivir use in hospitalized COVID-19 patients, using data from the PINC AI healthcare database collected in 2023.
  • The analysis found that among the 13,233 patients not treated with remdesivir, initiating treatment could have potentially saved 231 lives, with a national estimate of over 800 lives saved.
  • The majority of potential lives saved were elderly patients (89%) and a significant portion were immunocompromised individuals (19%), emphasizing the importance of using remdesivir as a treatment upon hospital admission for COVID-19.
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How the temporal dynamics of social interactions are perceived arguably plays an important role in how one engages in social interactions and how difficulties in establishing smooth social interactions may occur. One aspect of temporal dynamics in social interactions is the mutual coordination of individuals' behaviors during social interaction, otherwise known as behavioral interpersonal synchrony (IPS). Behavioral IPS has been studied increasingly in various contexts, such as a feature of the social interaction difficulties inherent to autism.

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Female BRCA1/2 pathogenic variant (PV) carriers face substantial risks for breast and ovarian cancer. Evidence-based decision aids (DAs) can facilitate these women in their decision-making process on an individually suitable preventive strategy. However, there is a gap in previous literature exploring whether DA effectiveness varies according to women's age.

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