26,748 results match your criteria: "VU University Medical Center & Academic Centre for Dentistry Amsterdam ACTA[Affiliation]"

Article Synopsis
  • Cardiac pressure overload can lead to problems for patients with congenital heart defects, and using stem cell-derived heart cells might help improve heart function alongside surgery.
  • Researchers successfully implanted human stem cell-derived heart cells into the hearts of rhesus macaques facing induced pressure overload, achieving good integration with the existing heart tissue.
  • Although some monkeys experienced episodes of ventricular tachycardia after the cell transplant, these events generally resolved within a few weeks, indicating a need for monitoring but also promising potential for this treatment approach.
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The precise spatiotemporal expression of the hematopoietic ETS transcription factor PU.1, a key determinant of hematopoietic cell fates, is tightly regulated at the chromatin level. However, how chromatin signatures are linked to this dynamic expression pattern across different blood cell lineages remains uncharacterized.

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Introduction: Delirium, a clinical manifestation of acute encephalopathy, is associated with extended hospitalisation, long-term cognitive dysfunction, increased mortality and high healthcare costs. Despite intensive research, there is still no targeted treatment. Delirium is characterised by electroencephalography (EEG) slowing, increased relative delta power and decreased functional connectivity.

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Background: Fractional flow reserve (FFR) or non-hyperaemic pressure ratios are recommended to assess functional relevance of intermediate coronary stenosis. Both diagnostic methods require the placement of a pressure wire in the coronary artery during invasive coronary angiography. Quantitative flow ratio (QFR) is an angiography-based computational method for the estimation of FFR that does not require the use of pressure wires.

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  • * Six focus groups with 16 patients were conducted to understand their experiences and coping mechanisms to find meaning following their treatment.
  • * Four key themes emerged: reliance on existing meaning sources, distress from impacted sources, the search for new meanings, and utilizing adapted sources, indicating that enhancing awareness of these sources could support patients in their recovery process.
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  • The study investigates the relationship between graft-versus-host disease (GVHD) and graft-versus-leukemia (GVL) effects in acute myeloid leukemia (AML) patients after stem-cell transplantation (SCT), specifically comparing standard and post-transplant cyclophosphamide (PTCy) methods.
  • Results show that while GVHD correlates with lower relapse rates and higher non-relapse mortality (NRM) and lower overall survival (OS) in standard cases, following PTCy, GVHD does not reduce relapse.
  • The findings indicate that although GVHD remains a significant factor in SCT outcomes, its role changes depending on the type of prophylaxis used, particularly diminishing its association with relapse in the PTC
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Transcatheter Valve Replacement in Severe Tricuspid Regurgitation.

N Engl J Med

January 2025

From Columbia University Irving Medical Center, New York (R.T.H., M.B.L., S.K.K.); Cedars-Sinai Medical Center, Los Angeles (R.M., M.M.), and Stanford University, Stanford (R.P.S., C.H.) - both in California; Piedmont Heart Institute, Marcus Heart Valve Center, Atlanta (V.H.T., P.Y.); Northwestern University Feinberg School of Medicine, Chicago (C.J.D., A.N.); Henry Ford Hospital, Detroit (B.O., J.L.); Oregon Health and Science University, Portland (F.Z., S.C.); Mayo Clinic, Rochester, MN (M.E., S.P.); Baylor Scott and White Heart Hospital Plano (R.S., M.S., P.A.G., M.J.M.) and Baylor Scott and White Research Institute Cardiac Imaging Core Laboratory (P.A.G., A.S.) - both in Plano, TX; Intermountain Medical Center, Murray, UT (B.W., N.K.S.); Christ Hospital, Cincinnati (S.G., T.S.-D.), and the Cleveland Clinic Foundation, Cleveland (S.K., S.C.H.); Heart Center Leipzig at Leipzig University, Leipzig (H.T.), and University Medical Center Mainz, Mainz (P.L.) - both in Germany; Morristown Medical Center, Morristown, NJ (R.K., K.K.); and the University of Virginia, Charlottesville (D.S.L., D.F.).

Article Synopsis
  • A clinical trial was conducted with 400 patients suffering from severe tricuspid regurgitation, comparing outcomes between those who received transcatheter tricuspid-valve replacement alongside medical therapy and those who received medical therapy alone.
  • The primary outcome measured included death rates, hospitalizations due to heart failure, and improvements in quality of life and functional capacity, showing a significant advantage for the valve-replacement group.
  • After one year, the valve-replacement group demonstrated better overall health outcomes, although there was a higher incidence of severe bleeding compared to the control group.
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Article Synopsis
  • The study investigates the frequency and reasons for changes in ticagrelor treatment among patients with acute coronary syndrome (ACS), revealing that many patients discontinue it prematurely.
  • Data from over 4,200 patients showed that 26.7% had physician-recommended discontinuations and 20.1% had alterations in their treatment within a year.
  • Treatment interruptions and disruptions significantly increased the risk of serious heart-related issues, while discontinuation and alterations did not show the same level of risk.
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Preventing in-prison violence and maintaining a safe environment is an important goal within prison settings. Screening for violence risk may provide a valuable addition to reach this goal. Within the Dutch prison system, the Risk Screener Violence (RS-V) has become an important new element in overall risk management.

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Randomized Controlled Feasibility Trial of Late 8-Hour Time-Restricted Eating for Adolescents With Type 2 Diabetes.

J Acad Nutr Diet

August 2024

Children's Hospital Los Angeles and Keck School of Medicine of USC, Department of Pediatrics, Center for Endocrinology, Diabetes and Metabolism.

Background: No trial to date has tested the effects of late time-restricted eating (lTRE) on glycemic control or body composition in adolescents with type 2 diabetes (T2D).

Objective: The objective of the current study was to examine the feasibility, acceptability, and preliminary efficacy of lTRE compared to a prolonged eating window in adolescents with T2D.

Design: A 12-week, randomized, controlled, feasibility study of lTRE compared to control in adolescents with obesity and new onset T2D was conducted.

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Polymicrobial communities are often recalcitrant to antibiotic treatment because interactions between different microbes can dramatically alter their responses and susceptibility to antimicrobials. However, the mechanisms of evolving antimicrobial resistance in such polymicrobial environments are poorly understood. We previously reported that Mg depletion caused by the fungus can enable to acquire significant resistance to colistin, a last-resort antibiotic targeting bacterial membrane.

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Article Synopsis
  • * In a study with 55 pregnant smokers, vitamin C improved umbilical blood flow compared to a placebo, bringing levels closer to those of nonsmokers.
  • * RNA-sequencing results indicated that vitamin C altered gene expression related to vascular and cardiac development, hinting at its potential benefits for baby health in situations of prenatal nicotine exposure.
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Sexual education and development after early childhood sexual abuse: A qualitative study of experiences of parents and children.

Child Abuse Negl

December 2024

Amsterdam University Medical Centers, Department of Child and Adolescent Psychiatry, University of Amsterdam, Amsterdam, the Netherlands; Levvel, Academic Center for Child and Adolescent Psychiatry, Amsterdam, the Netherlands.

Background: In the Amsterdam Sexual Abuse Case (ASAC), infants and toddlers experienced childhood sexual abuse (CSA). The perpetrator was convicted, and psychosocial care was offered to children and families. A research project was established to investigate the impact of CSA at an early age, with this study specifically focusing on sexual education and development.

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Article Synopsis
  • This study aimed to assess the reliability of a short food frequency questionnaire designed to evaluate dietary patterns associated with type 2 diabetes risk and to create a Diabetes Dietary Quality Index.
  • Healthy participants completed the questionnaire, and the results indicated good reproducibility, showing consistent correlation in responses.
  • Findings revealed that a higher Diabetes Dietary Quality Index score was linked to improved metabolic health, including lower post-meal glucose and insulin levels, as well as better cholesterol profiles.
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Overcoming Irinotecan Resistance by Targeting Its Downstream Signaling Pathways in Colon Cancer.

Cancers (Basel)

October 2024

Division of Hematology and Oncology, Department of Medicine, UAB Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35233, USA.

Among the most popular chemotherapeutic agents, irinotecan, regarded as a prodrug belonging to the camptothecin family that inhibits topoisomerase I, is widely used to treat metastatic colorectal cancer (CRC). Although immunotherapy is promising for several cancer types, only microsatellite-instable (~7%) and not microsatellite-stable CRCs are responsive to it. Therefore, it is important to investigate the mechanism of irinotecan function to identify cellular proteins and/or pathways that could be targeted for combination therapy.

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  • Chorioamnionitis (HCA) and funisitis (FUN) are linked to preterm birth, and their combined effects can negatively influence an infant's respiratory drive after birth.* -
  • A study involving 186 infants found that those with HCA and FUN had significantly lower gestational ages and birthweights compared to those without these conditions.* -
  • While HCA and FUN were associated with reduced breathing effort in the first five minutes of life, subclinical HCA and FUN showed no significant impact on breathing metrics.*
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The effectiveness of Problem Management Plus at 1-year follow-up for Syrian refugees in a high-income setting.

Epidemiol Psychiatr Sci

October 2024

Department of Clinical, Neuro- and Developmental Psychology, WHO Collaborating Center for Research and Dissemination of Psychological Interventions, Amsterdam Public Health Research Institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.

Aims: Problem Management Plus (PM+) has been effective in reducing mental health problems among refugees at three-month follow-up, but there is a lack of research on its long-term effectiveness. This study examined the effectiveness of PM+ in reducing symptoms of common mental disorders at 12-month follow-up among Syrian refugees in the Netherlands.

Methods: This single-blind, parallel, controlled trial randomised 206 adult Syrians who screened positive for psychological distress and impaired functioning to either PM+ in addition to care as usual (PM+/CAU) or CAU alone.

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Purpose: To identify which features of Sturge-Weber syndrome (SWS) were most associated with glaucoma onset, severity, and treatment failure at a tertiary care center.

Design: Retrospective cross-sectional study.

Subjects: Children who had SWS with and without glaucoma.

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Objective: Paramagnetic rim lesions (PRLs) are a biomarker of chronic active lesions (CALs), and an important driver of neurological disability in multiple sclerosis (MS). The reason subtending some acute lesions evolvement into CALs is not known. Here we ask whether a relatively lower oxygen content is linked to CALs.

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The Myelodysplastic syndromes (MDS) are a heterogenous group of clonal bone marrow (BM) stem cell myeloid neoplasms, characterized by bone marrow (BM) dysplasia, macrocytic anemia or cytopenia with a tendency for leukemic transformation. The suspicion of MDS is raised by a typical but not specific clinical picture and routine labs, but the gold standard for MDS diagnosis is still BM examination with the presence of uni-or multi-lineage dysplasia and blast percentage, together with exclusion of other reasons. Cytogenetics is also a part of the diagnostic process.

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Spinal epidural hematoma (SEDH) is a rare but serious complication associated with spinal anesthesia (SA). We present an unusual case of cervical SEDH occurring 24 h after a lumbar puncture for a cesarean section. The patient, who was on low-dose aspirin due to preeclampsia, initially exhibited neurological symptoms resembling a stroke.

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A deep brain stimulation-conditioned RF coil for 3T MRI.

Magn Reson Med

March 2025

Institute of Medical Physics and Radiation Protection, Department of Life Science Engineering, TH-Mittelhessen University of Applied Sciences, Giessen, Germany.

Purpose: To develop and test an MRI coil assembly for imaging deep brain stimulation (DBS) at 3 T with a reduced level of local specific absorption rate of RF fields near the implant.

Methods: A mechanical rotatable linearly polarized birdcage transmitter outfitted with a 32-channel receive array was constructed. The coil performance and image quality were systematically evaluated using bench-level measurements and imaging performance tests, including SNR maps, array element noise correlation, and acceleration capabilities.

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Musculoskeletal Pain in Adolescents Engaged in Impact and Nonimpact Sports-ABCD Growth Study.

Pediatr Exerc Sci

October 2024

Post Graduate Program in Movement Sciences, Department of Physical Education, Sao Paulo State University (UNESP), Presidente Prudente, SP,Brazil.

Purpose: This study aimed to identify, through a 28-week follow-up, the association between pain and engagement in different sports among adolescents.

Methods: In total, 63 adolescents reported the occurrence of pain, which was tracked weekly. Participants were categorized into 2 groups based on their sports participation: "swimming group" and "other sports group.

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Effectiveness of Scrambler Therapy for Alleviating Phantom Limb Pain: A Case Report.

A A Pract

August 2024

Department of Pain Medicine, Division of Anesthesiology, Critical Care & Pain Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas.

Among the 2 million amputees in the United States, 60% to 90% will experience phantom limb pain (PLP). Managing PLP presents challenges with current evidence-based pharmacological and interventional therapies yielding varied results. In recent years, advancements in neuromodulation, such as scrambler therapy (ST), have demonstrated effectiveness in addressing various chronic and neuropathic pain syndromes.

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