23,547 results match your criteria: "Radboud university medical center.[Affiliation]"

Article Synopsis
  • Portable spirometers are becoming popular for measuring lung function at home, but there are concerns about their accuracy, which impacts the management of chronic respiratory diseases.
  • The study aimed to evaluate the accuracy, repeatability, and responsiveness of home spirometry for cystic fibrosis patients in both children and adults across multiple Dutch centers.
  • Results indicated that home spirometry measurements consistently showed lower values than clinic measurements, suggesting potential limitations in using these devices for accurate lung function assessment.
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Background: It is unknown how visual decision aids support communication and shared decision-making in everyday clinical practice, and how they are perceived by patients with varying levels of health literacy and their healthcare providers. Recently, three visual decision aids have been developed for renal replacement treatment, osteoarthritis of the knee, and osteoarthritis of the hip. This study aims to explore how patients and healthcare providers use and value these visual decision aids.

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Purpose: Optical coherence tomography (OCT)-derived measurements of the optic nerve head (ONH) from different devices are not interchangeable. This poses challenges to patient follow-up and collaborative studies. Here, we present a device-agnostic method for the extraction of OCT biomarkers using artificial intelligence.

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Article Synopsis
  • - The study aimed to develop a deep learning segmentation model to locate basal cell carcinoma (BCC) on Mohs surgery (MMS) frozen section slides, which is crucial for precise tumor removal.
  • - Researchers utilized a dataset of 348 tissue slides and trained the model using the Ultralytics YOLOv8 framework, achieving varying sensitivity and specificity rates by BCC subtype.
  • - Results indicated good overall performance with a sensitivity of 71% and specificity of 75%, but highlighted the need for improved performance metrics for clinical application in segmentation studies.
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Inappropriate Therapy and Shock Rates Between the Subcutaneous and Transvenous Implantable Cardiac Defibrillator: A Secondary Analysis of the PRAETORIAN Trial.

Circ Arrhythm Electrophysiol

December 2024

Department of Cardiology, Amsterdam UMC Location University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences Heart failure and Arrhythmias, the Netherlands (L.R.A.O.N., S.P., L.V.A.B., T.F.B., A.-F.B.E.Q., W.v.d.S., L.S., J.A.d.V., J.G.P.T., N.R.B., J.R.d.G., K.M.K., A.d.W., A.A.M.W., R.E.K.).

Article Synopsis
  • Inappropriate therapy (IAT) is a significant issue associated with implantable cardiac defibrillator (ICD) therapy, particularly highlighted in early subcutaneous ICD (S-ICD) studies which showed high rates of inappropriate shocks (IAS).
  • The PRAETORIAN trial, an international study with 849 patients, found no major differences in IAT and IAS rates between S-ICD and transvenous ICD (TV-ICD) groups, as both groups had similar cumulative incidences.
  • Key predictors for IAT varied between the two groups, with TV-ICD patients experiencing IAT mainly from supraventricular tachycardias, while S-ICD patients faced issues from cardiac oversensing
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Background: Tumor Budding (TB) and Immunoscore are independent prognostic markers in colon cancer (CC). Given their respective representation of tumor aggressiveness and immune response, we examined their combination in association with patient disease-free survival (DFS) in pTNM stage I-III CC.

Methods: In a series of pTNM stage I-III CCs (n = 654), the Immunoscore was computed and TB detected automatically using a deep learning network.

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Article Synopsis
  • * A secondary analysis found that patients in the CPPopt-targeted group had better autoregulation, indicated by a significantly lower median ΔPRx during preserved autoregulation periods compared to the control group.
  • * The study concludes that while there was no noticeable difference in overall PRx averages, targeting CPPopt appears to enhance cerebrovascular reactivity in TBI patients.
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Article Synopsis
  • - The study evaluated the use of computer-assisted history taking (CAHT) systems to collect orthopedic patients' medical histories before their first outpatient consultations to improve efficiency and patient engagement.
  • - A multicenter implementation study saw a 92.7% completion rate for the CAHT questionnaires, with patients rating the ease of use and satisfaction with their consultations at 8.0 out of 10.
  • - Physicians recognized significant benefits from the use of CAHT, scoring its added value at 7.8, citing improved efficiency and enhanced medical record completeness when patient responses were utilized during consultations.
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Introduction: In high tuberculosis (TB) burden countries, the private sector manages a large proportion of initial visits by presumptive patients with TB. In Indonesia, the second largest contributor of TB cases globally, private practitioners (PPs) often do not adhere to national TB guidelines. A district public-private mix programme to mitigate this issue was started in 2019, yet engagement remains low.

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Action observation with motor simulation of reactive stepping: A randomized study in older adults with a history of falls.

Exp Gerontol

January 2025

Radboud University Medical Center, Donders Institute for Brain, Cognition and Behavior, Department of Rehabilitation, Nijmegen, the Netherlands; Sint Maartenskliniek Research, Nijmegen, the Netherlands.

Background: Perturbation-based training improves reactive stepping responses to prevent falling following a loss-of-balance. As there is currently no safe and feasible method for home-based practice, this randomized study investigated whether action observation with motor simulation (AOMS) of balance recovery improves reactive stepping in older adults with a history of falls. Additionally, we evaluated whether effects differ between AOMS of a human actor in the same experimental context or of an avatar in a virtual world.

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Toward automated small bowel capsule endoscopy reporting using a summarizing machine learning algorithm: The SUM UP study.

Clin Res Hepatol Gastroenterol

January 2025

Équipes Traitement de l'Information et Systèmes, ETIS UMR 8051, CY Paris Cergy University, ENSEA, CNRS, 95000 Cergy, France.

Article Synopsis
  • Deep learning (DL) algorithms effectively detect vascular lesions in small bowel capsule endoscopy (CE), improving diagnostic performance and reducing reading time.
  • A machine learning (ML) classifier was used to enhance the DL algorithm's performance by categorizing vascular abnormalities and selecting the most relevant images for reporting.
  • The random forest (RF) method achieved high specificity (91.1%) and accuracy (84.2%) in distinguishing significant lesions while dramatically reducing the number of images reported, demonstrating potential for automated CE reporting without sacrificing diagnostic quality.
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Patient-Relevant Digital-Motor Outcomes for Clinical Trials in Hereditary Spastic Paraplegia Type 7: A Multicenter PROSPAX Study.

Neurology

December 2024

Division Translational Genomics of Neurodegenerative Diseases (L.B., A.T., D.M., M.S.), Hertie-Institute for Clinical Brain Research and Center for Neurology, and German Center for Neurodegenerative Diseases (DZNE) (L.B., A.T., D.M., K.D.-J., M.S., R.S.), University of Tübingen; Section Computational Sensomotorics (J.S., W.I.), Hertie Institute for Clinical Brain Research; Centre for Integrative Neuroscience (CIN) (J.S., W.I.); Department of Neurodegenerative Diseases (C.K.), Hertie-Institute for Clinical Brain Research and Center for Neurology, University of Tübingen; Center for Neurology and Hertie Institute for Clinical Brain Research (K.D.-J., R.S.), University Hospital Tübingen, Germany; Molecular Medicine (I.R., S.S.), IRCCS Fondazione Stella Maris, Pisa, Italy; Koç University (N.A.B.), Translational Medicine Research Center, KUTTAM-NDAL, Istanbul, Turkey; Sorbonne Université (G.C.), Paris Brain Institute, INSERM, CNRS, APHP, France; Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (D.T.), University Hospital Essen, University of Duisburg-Essen, Germany; Groupe de recherche interdisciplinaire sur les maladies neuromusculaires (GRIMN) (C.G.), Centre intégré universitaire de santé et de services sociaux du Saguenay-Lac-St-Jean; Centre de recherche du Centre intégré universitaire de santé et de services sociaux du Saguenay-Lac-St-Jean (C.G.); Faculté de médecine et des sciences de la santé (C.G.), Université de Sherbrooke, Québec, Canada; Department of Neurology (B.P.C.v.d.W.), Radboud University Medical Center, Nijmegen, the Netherlands; and Division of Neurodegenerative Diseases (R.S.), Department of Neurology, Heidelberg University Hospital, Germany.

Article Synopsis
  • The study focuses on identifying valid digital-motor outcome measures using wearable sensors for spastic paraplegia type 7 (SPG7), a common spastic ataxia, aiming to reflect health aspects relevant to patients in early disease stages and suitable for multicenter trials.
  • Gait analysis was performed in 65 SPG7 patients and 50 healthy controls, where 18 out of 30 analyzed gait measures effectively discriminated between the two groups, even in mild disease stages.
  • Key findings highlighted that specific spatiotemporal variability measures strongly correlate with functional mobility and overall disease severity, indicating their potential as sensitive outcome measures for future trials.
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  • This review explores how antidepressants affect gut microbiota composition and function, suggesting that gut bacteria may influence how well antidepressants work.
  • Antidepressant users typically show increased β-diversity and notable changes in specific gut bacteria, such as higher levels of Bacteroidetes and decreases in Firmicutes.
  • The study also identifies potential biomarkers, like certain gut bacteria populations, that could predict response to antidepressant treatment, emphasizing the necessity for more research to better understand these interactions.
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Background: Severe fatigue and cognitive complaints are frequently reported after SARS-CoV-2 infection and may be accompanied by depressive symptoms and/or limitations in physical functioning. The long-term sequelae of COVID-19 may be influenced by biomedical, psychological, and social factors, the interplay of which is largely understudied over time. We aimed to investigate how the interplay of these factors contribute to the persistence of symptoms after COVID-19.

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Author's Response to Letter to the Editor Titled "Potential Biases in Post-stroke Health Utility Estimates by Modified Rankin Scale Scores".

Value Health

November 2024

Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands; Department of Health Services Research, Maastricht University, Maastricht, The Netherlands; Centre of Economic Evaluation and Machine Learning, Trimbos Institute, Utrecht, The Netherlands.

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Introduction: Recovery from substance use disorder (SUD) is increasingly recognized as a personal journey, necessitating an approach that considers individual goals and priorities. Research on recovery priorities in inpatient settings is limited. Our study employs Q-methodology to explore recovery priorities among clients with multimorbid SUD, aiming to guide targeted, recovery-oriented care.

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Patient satisfaction with prescription opioid education in primary care.

Patient Educ Couns

February 2025

Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, the Netherlands. Electronic address:

Objectives: This study explores patients' satisfaction with opioid education, identifies areas for improvement, and assesses differences between those more or less satisfied with their opioid education.

Methods: A cross-sectional survey of adults with prescription opioid experience. Respondents reported opioid details, demographics, and pain coping.

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The lived experience of patients with bipolar disorder with adapting their lifestyle to their condition.

Arch Psychiatr Nurs

December 2024

Dimence Mental Health Center for Bipolar Disorders, Pikeursbaan 3, 7411 GT Deventer, Netherlands; Radboud Institute for Health Sciences IQ Healthcare, Radboud University Medical Center, Nijmegen, Netherlands. Electronic address:

Background: An important element of self-management strategies for people with bipolar disorder is adapting their lifestyle to their condition, since this improves their quality of life. However, not all people with bipolar disorder succeed in lifestyle adaptation. Knowledge about their lived experience with adaptation would enhance understanding about how healthcare providers optimize support.

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Innate Immune Cell Functions Contribute to Spontaneous HIV Control.

Curr HIV/AIDS Rep

November 2024

Department of Internal Medicine and Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA, Nijmegen, The Netherlands.

Purpose Of Review: To review the role of innate immune cells in shaping the viral reservoir and maintenance of long-term viral control of spontaneous Elite and Viremic HIV controllers.

Recent Findings: HIV controllers exhibit a smaller and transcriptionally suppressed viral reservoir. Different studies report that early responses from innate cells play a pivotal role in this reservoir configuration.

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Article Synopsis
  • - The study examined survival scenarios for pancreatic adenocarcinoma (PAC) patients over 16 years, highlighting best-case, typical, and worst-case survival estimates based on data from the Netherlands Cancer Registry.
  • - Patients with localized PAC showed statistically significant improvements in best-case and typical survival scenarios, with gains averaging 1.54 and 0.24 months annually, respectively, while those with metastatic PAC experienced smaller but significant improvements.
  • - Factors like age, aggressive treatments, and fewer comorbidities were linked to better survival outcomes, suggesting that recent advancements in care may offer hopeful prospects for PAC patients, despite small absolute survival gains.
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Background: A lack of serotonin (also known as 5-hydroxytryptamine, 5-HT) in the brain due to deficiency of the rate-limiting enzyme in 5-HT synthesis, tryptophan hydroxylase 2 (TPH2), was recently reported to result in impaired maternal affiliation across species, including mice, rats, and monkeys. In rodents, this was reflected in a lack of preference for maternal odors and reduced levels of isolation-induced ultrasonic vocalizations (USV), possibly contributing to a severe growth retardation phenotype.

Methods: Here, we tested whether growth retardation, maternal affiliation deficits, and/or impairments in socio-affective communication caused by Tph2 deficiency can be rescued through early social enrichment in rats.

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Purpose Of Review: In this narrative review, we discuss evidence for psilocybin- and LSD-assisted treatment of alcohol use disorder (AUD) and major depressive disorder (MDD). We describe limitations of psychedelic research and posit methodological considerations when designing a trial in patients with both disorders.

Recent Findings: In AUD, a growing evidence base for psilocybin treatment shows a promising beneficial and sustained effect on measures of drinking frequency.

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This paper is a study of the decisions that researchers take during the execution of a research plan: their researcher discretion. Flexible research methods are generally seen as undesirable, and many methodologists urge to eliminate these so-called 'researcher degrees of freedom' from the research practice. However, what this looks like in practice is unclear.

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Purpose: The ability to perceive assessments as learning instruments calls upon flexible perspective taking and flexible responding. We investigated the maturation of the student perspective on assessment as learning and explored the (in)flexibility of student responses during their development towards graduation.

Methods: In a longitudinal study with an extensive 6-year timeframe, we tracked the development of 12 medical students.

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During major long-term crises, such as the COVID-19 pandemic, news media are crucial sources of information for the public. This study aimed to explore the frequency of COVID-19-related news consumption based on (1) phase of the pandemic, (2) socio-demographic characteristics, and (3) news information channels. The study used a dynamic cohort design with 18 rounds of data collection, including 306,692 responses from 83,180 unique respondents in the Netherlands from 17 April 2020 to 11 September 2022.

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