5,142,440 results match your criteria: "United States; William S Middleton Memorial Veterans Hospital[Affiliation]"

NORDIC denoising on VASO data.

Front Neurosci

January 2025

Functional Magnetic Resonance Imaging (FMRI) Core, NIH, National Institute of Mental Health, Bethesda, MD, United States.

The use of submillimeter resolution functional magnetic resonance imaging (fMRI) is increasing in popularity due to the prospect of studying human brain activation non-invasively at the scale of cortical layers and columns. This method, known as laminar fMRI, is inherently signal-to-noise ratio (SNR)-limited, especially at lower field strengths, with the dominant noise source being of thermal origin. Furthermore, laminar fMRI is challenged with signal displacements due to draining vein effects in conventional gradient-echo blood oxygen level-dependent (BOLD) imaging contrasts.

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Purpose: To investigate the changes in cerebral hemispheric functional connections in patients with acute acquired concomitant esotropia (AACE) and their relationship with clinical manifestations, utilizing voxel-mirrored homotopic connectivity (VMHC).

Methods: A prospective, observational study was conducted involving 32 AACE patients and 31 age-, sex-, and education-matched healthy controls (HC). The resting-state functional magnetic resonance imaging (rs-fMRI) signals, binocular vision function, and psychometric scale scores were collected rs-fMRI data and structural image data were analyzed for VMHC, and a two-sample -test was used to analyze the differences in VMHC between groups.

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Quantitative evaluation of hindlimb grip strength in mice as a measure of neuromuscular function.

MethodsX

June 2025

Regenerative Bioscience Center, Department of Animal and Dairy Science, College of Agricultural and Environmental Science, University of Georgia, Athens, GA 30602, United States.

Muscle strength is a crucial metric for assessing motor function, with significant diagnostic and prognostic value. It is widely used in clinical and preclinical studies as a phenotypic indicator. In mouse models of neuromuscular disorders, grip strength provides a direct, repeatable measure of motor function changes throughout disease progression.

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Optical character recognition (OCR) is vital in digitizing printed data into a digital format, which can be conveniently used for various purposes. A significant amount of work has been done in OCR for well-resourced languages like English. However, languages like Urdu, spoken by a large community, face limitations in OCR due to a lack of resources and the complexity and diversity of handwritten scripts.

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Background Communication and teamwork are essential in medicine. Established standards emphasise the importance of collaboration and access to support. Some departments divide doctors into teams; however, inter-team communication is not always efficient.

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Favorable response to ketogenic diet therapy in a patient with -related epilepsy.

Epilepsy Behav Rep

March 2025

Section of Pediatric Neurology, Department of Pediatrics, The University of Chicago, Chicago, IL, United States.

Dynein Cytoplasmic 1 Heavy chain 1 (-related disorders are a spectrum of conditions including neurodevelopmental disorders, congenital brain malformations, and neuromuscular diseases. These clinical features may co-occur, with four main disease entities including epilepsy with developmental epileptic encephalopathy such as infantile epileptic spasms syndrome (IESS) and Lennox-Gastaut syndrome (LGS), axonal Charcot-Marie-Tooth disease type 2O, spinal muscular atrophy with lower extremity-predominance (SMALED), and congenital cortical malformations. Epilepsy associated with this disorder often becomes drug-resistant and requires multiple medications and, in some cases, non-pharmacological treatments.

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Many biological fibrous tissues exhibit distinctive mechanical properties arising from their highly organized fibrous structure. In disease conditions, alterations in the primary components of these fibers, such as type I collagen molecules in bone, tendons, and ligaments, assembly into a disorganized fibers architecture generating a weak and/or brittle material. Being able to quantitatively assess the fibers orientation and organization in biological tissue may help improve our understanding of their contribution to the tissue and organ mechanical integrity, and assess disease progress and therapy effect.

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and mRNA expression-based risk stratification of acute Myeloid Leukemia.

Leuk Res Rep

December 2024

Independent Researcher, Gimpo-si, Gyeonggi-do 10090, South Korea.

Prognostication of acute myeloid leukemia (AML) at initial diagnosis relies on identification of pre-determined underlying genetic abnormalities. Nevertheless, the disease course of AML remains highly unpredictable and robust reliable prognostic biomarkers for newly diagnosed AML are lacking. We retrospectively explored two publicly available AML RNA-Seq datasets and found that inferior overall survival was associated with high- and low- transcript levels (" / ") compared to low- and high- transcript levels (" / ") in adult AML patients, with a hazard ratio for death of at least 2.

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Dynamic retinal vessel analysis: flickering a light into the brain.

Front Aging Neurosci

January 2025

Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences, Oklahoma City, OK, United States.

Introduction: Growing aging populations pose new challenges to public health as the number of people living with dementia grows in tandem. To alleviate the burden of dementia, prodromal signs of cognitive impairment must be recognized and risk factors reduced. In this context, non-invasive techniques may be used to identify early changes and monitor disease progression.

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Introduction: Antiretroviral therapy (ART) increases the life expectancy of persons living with HIV (PLWH), but not without potentially serious adverse effects. Tenofovir disoproxil fumarate (TDF) can cause nephrotoxicity, manifesting as acute kidney injury (AKI) that may persist after treatment discontinuation. Kidney injury biomarkers such as kidney injury molecule-1 (KIM-1), retinol-binding protein-4 (RBP-4), interleukin-18 (IL-18), and neutrophil gelatinase-associated lipocalin (NGAL) can aid early diagnosis and predict TDF-associated nephrotoxicity.

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Purpose: To assess agreement between CT volumetry change classifications derived from Quantitative Imaging Biomarker Alliance Profile cut-points (ie, QIBA CTvol classifications) and the Response Evaluation Criteria in Solid Tumors (RECIST) categories.

Materials And Methods: Target lesions in lung, liver, and lymph nodes were randomly chosen from patients in 10 historical clinical trials for various cancers, ensuring a balanced representation of lesion types, diameter ranges described in the QIBA Profile, and variations in change magnitudes. Three radiologists independently segmented these lesions at baseline and follow-up scans using 2 software tools.

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Sickle Cell Anemia Treatment With Hydroxyurea in Low-Resource Settings: Challenges and Opportunities for Global North-South Collaboration.

Int J Public Health

January 2025

Division of Hematology, Cincinnati Children's Hospital Medical Center Global Health Center, Cincinnati Children's Hospital Medical Center Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States.

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Objectives: This study analyzes survey data across 21 countries to explore correlations between delays in blood testing and the prevalence of seven health conditions: thalassaemias, sickle cell disorders, malaria, HIV, high fasting plasma glucose, impaired kidney function, and high LDL cholesterol.

Methods: We analyzed Pandemic Recovery Survey data via multivariable logistic regression to compare blood test delays between individuals with and without medical conditions, while adjusting for sociodemographic factors. We also examined the disease burden using disability-adjusted life years (DALYs) and summary exposure values (SEV) rates.

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Case report: Recurrence of psychosis after the surgical resection and radiation of a temporal lobe astrocytoma.

Front Psychiatry

January 2025

Department of Psychiatry and Behavioral Sciences, University of California, Davis Medical Center, Sacramento, CA, United States.

It is estimated that the incidence of first episode psychotic disorder is about 33 people out of 100,000 each year. Beyond primary psychotic illness (e.g.

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Introduction: Stem cells derived from adipose tissue are gaining popularity in the field of regenerative medicine due to their adaptability and clinical potential. Their rapid growth, ability to differentiate, and easy extraction with minimal complications make adipose-derived stem cells (ADSCs) a promising option for many treatments, particularly those targeting bone-related diseases. This study analyzed gene expression in canine ADSCs subjected to long-term culture and osteogenic differentiation.

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Social media sites like X (formerly Twitter) increasingly serve as spaces for the public to discuss controversial topics. Social media can spark extreme viewpoints and spread biased or inaccurate information while simultaneously allowing for debate around policy-relevant topics. The arrest of Joseph J.

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The prevalence of urinary incontinence (UI) in older women in low- and middle-income countries (LMICs) is not well understood. We conducted a rapid literature review to assess the burden of UI in this population and contextualize findings from a household survey of women aged 40 and older in Nouna, in northwestern Burkina Faso. The rapid review included 21 survey articles.

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RhoA/ROCK2 signaling pathway regulates Mn-induced alterations in tight junction proteins leading to cognitive dysfunction in mice.

Curr Res Toxicol

December 2024

Department of Occupational & Environmental Health and the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Chang Le Xi Road, Xi'an,Shaanxi 710032, China.

Elevated manganese (Mn) exposure has been implicated in a broad spectrum of neurological disorders, including motor dysfunction and cognitive deficits. Previous studies have demonstrated that Mn induces neurotoxicity by disrupting the integrity of the blood-brain barrier (BBB), a critical regulator in maintaining central nervous system homeostasis and a contributing factor in the pathogenesis of numerous neurological disorders. However, the precise molecular mechanisms underlying Mn-induced BBB disruption and its role in facilitating neurotoxicity remain incompletely understood.

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Background: Chordoma is a rare bone cancer arising from the embryonic notochord with special predilection to the axial skeleton. The locally destructive nature and metastatic potential of chordomas can lead to devastating outcomes in terms of survival. The purpose of this study was to examine potential risk factors predictive of metastatic disease at presentation and prognostic factors in patients with metastasis.

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Background: Scalable evidence-based treatments for anxiety and depression, such as blended care therapy (BCT) that integrate digital tools are effective, but reporting on long-term outcomes is limited.

Method: This pragmatic observational study examined the symptom stability and trajectories of individuals in the year following engagement in a BCT program. Participants included adults with clinical anxiety and/or depression measured by the Generalized Anxiety Disorder-7 (GAD-7) or Patient Health Questionnaire-9 (PHQ-9).

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Gallbladder cancers (GBC) are insidious, malignant, and associated with poor prognosis, with a 5-year survival rate of 5%. Long-term survival in advanced GBC is rare. Here, we report a case of a 45-year-old female who presented with intermittent right upper quadrant pain for 1 month.

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