183,885 results match your criteria: "University of Toronto[Affiliation]"
SAGE Open Med Case Rep
January 2025
Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
Atopic dermatitis is a chronic inflammatory skin disease associated with immune dysregulation, particularly overexpression of T helper 2 cytokines. Cytotoxic T lymphocyte-associated antigen 4 deficiency, a primary immune disorder, can exacerbate atopic dermatitis. Dupilumab, an IL-4 and IL-13 receptor antagonist, has demonstrated efficacy in controlling severe, recalcitrant atopic dermatitis by mitigating T helper 2-driven inflammation.
View Article and Find Full Text PDFGlob Ment Health (Camb)
December 2024
Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, ON, Canada.
Background: There is a high prevalence of depression among refugee youth in low- and middle-income countries, yet depression trajectories are understudied. This study examined depression trajectories, and factors associated with trajectories, among urban refugee youth in Kampala, Uganda.
Methods: We conducted a longitudinal cohort study with refugee youth aged 16-24 in Kampala, Uganda.
Ther Adv Med Oncol
January 2025
Cross Cancer Institute, University of Alberta, Edmonton, AB, Canada.
Non-small-cell lung cancer (NSCLC) is a highly heterogeneous disease that is frequently associated with a host of known oncogenic alterations. Advances in molecular diagnostics and drug development have facilitated the targeting of novel alterations such that the majority of NSCLC patients have driver mutations that are now clinically actionable. The goal of this review is to gain insights into clinical research and development principles by summary, analysis, and discussion of data on agents targeting known alterations in oncogene-driven, advanced NSCLC beyond those in the and the .
View Article and Find Full Text PDFOrthod Craniofac Res
January 2025
Oral and Maxillofacial Pathology and Oral Medicine, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada.
Objectives: Radiographs are routinely acquired for orthodontic evaluation, and incidental findings (IFs) may be detected early as part of this routine care. This study aimed to assess the prevalence of IFs on panoramic radiographs taken for orthodontic assessment and evaluate the ability of orthodontists to detect, interpret and recommend management for IFs.
Materials And Methods: A retrospective analysis of 1756 patients aged 7-21 with a panoramic image taken for orthodontic evaluation was performed.
J Neurol
January 2025
Department of Neurology and Institute of Neurology, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China.
Background: Bilateral deep brain stimulation (DBS) of subthalamic nucleus (STN) has demonstrated efficacy for ameliorating medication-refractory isolated dystonia. Nonetheless, the paucity of evidence regarding its long-term impact on quality-of-life (QoL) necessitates further investigation.
Objectives: This study aimed to elucidate the longitudinal effects of chronic STN stimulation on QoL in patients suffering from isolated dystonia.
Cancer Discov
January 2025
Princess Margaret Cancer Centre, Toronto, ON, Canada.
Epigenetic therapies facilitate transcription of immunogenic repetitive elements that cull cancer cells through 'viral mimicry' responses. Paradoxically, cancer-initiating events also facilitate transcription of repetitive elements. Contributions of repetitive element transcription towards cancer initiation, and the mechanisms by which cancer cells evade lethal viral mimicry responses during tumor initiation remain poorly understood.
View Article and Find Full Text PDFPediatr Transplant
February 2025
Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.
Background: The COVID-19 pandemic led to widespread adoption of virtual communication platforms. Virtual study visits were implemented in the pilot cluster randomized trial (CRT) stage of Teen Adherence in KidnEy transplant Improving Tracking To Optimize Outcomes (TAKE-IT TOO). The present study aimed to understand study coordinators' perspectives on conducting a behavioral intervention with adolescent kidney transplant recipients using virtual conferencing platforms.
View Article and Find Full Text PDFMagn Reson Med
January 2025
Mouse Imaging Centre (MICe), Hospital for Sick Children, Toronto, Ontario, Canada.
Purpose: Brain temperature is tightly regulated and reflects a balance between cerebral metabolic heat production and heat transfer between the brain, blood, and external environment. Blood temperature and flow are critical to the regulation of brain temperature. Current methods for measuring in vivo brain and blood temperature are invasive and impractical for use in small animals.
View Article and Find Full Text PDFNeuro Oncol
January 2025
MacFeeters Hamilton Neuro-Oncology Program, Princess Margaret Cancer Centre, University Health Network and University of Toronto, Toronto, ON, Canada.
Background: Meningiomas exhibit considerable clinical and biological heterogeneity. We previously identified four distinct molecular groups (immunogenic, NF2-wildtype, hypermetabolic, proliferative) that address much of this heterogeneity. Despite the utility of these groups, the stochasticity of clustering methods and the use of multi-omics data for discovery limits the potential for classifying prospective cases.
View Article and Find Full Text PDFPaediatr Perinat Epidemiol
January 2025
Division of Research, Kaiser Permanente Northern California, Pleasanton, California, USA.
Crit Care Sci
January 2025
Intensive Care Department, Hospital Privado de Comunidad - Mar del Plata, Argentina.
Objective: To compare the effectiveness of the awake-prone position on relevant clinical outcomes in patients with COVID-19-related acute respiratory failure requiring high-flow nasal oxygen between different waves in Argentina.
Methods: This multicenter, prospective cohort study included adult patients with COVID-19-related acute respiratory failure requiring high-flow nasal oxygen. The main exposure position was the awake-prone position (≥ 6 hours/day) compared to the non-prone position.
Community Ment Health J
January 2025
Faculty of Social Work, University of Calgary, 2500 University Dr NW, Calgary, AB, T2N 1N4, Canada.
To mitigate barriers to care among youth (12-25 years), community-based organizations have increasingly integrated peer support as a complement to clinical mental health care; however, information regarding the integration process is lacking. To explore organizational perspectives regarding the contexts and mechanisms underlying integration of peer support for youth accessing mental health services from community-based, youth-serving organizations. Representatives from community-based youth-serving organizations completed a survey describing the contexts in which they are located and their experiences integrating peer support.
View Article and Find Full Text PDFPLoS One
December 2024
Department of Radiation Oncology, Seoul National University Hospital, Seoul, Republic of Korea.
This paper presents a novel approach for generating virtual non-contrast planning computed tomography (VNC-pCT) images from contrast-enhanced planning CT (CE-pCT) scans using a deep learning model. Unlike previous studies, which often lacked sufficient data pairs of contrast-enhanced and non-contrast CT images, we trained our model on dual-energy CT (DECT) images, using virtual non-contrast CT (VNC CT) images as outputs instead of true non-contrast CT images. We used a deterministic method to convert CE-pCT images into pseudo DECT images for model application.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada.
Background: Individuals with opioid use disorder (OUD) have a high prevalence of co-occurring mental health disorders; however, there exists little information on mental health service use for this population. We aimed to determine the prevalence of non-substance use-related mental health emergency department (ED) visits, hospitalizations, and outpatient physician visits for individuals receiving treatment for OUD over one year. We also explored individual-level characteristics associated with mental health care service use and estimated the costs of this care.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Health Research, Evidence, and Impact, McMaster University, Hamilton, Canada.
Background: Creativity fuels societal progress and innovation, particularly in the field of medicine. The scientific study of creativity in medicine is critical to understanding how creativity contributes to medical practice, processes, and outcomes. An appraisal of the current scientific literature on the topic, and its gaps, will expand our understanding of how creativity and medicine interact, and guide future research.
View Article and Find Full Text PDFSleep Breath
January 2025
Division of Respiratory Medicine, Department of Pediatrics, University of California San Diego, Rady Children's Hospital, 9500 Gillman Drive, La Jolla, CA, 92093, USA.
Background: Reduced forced vital capacity (FVC) is associated with morbidity and mortality in individuals with Duchenne muscular dystrophy (DMD). Non-invasive ventilation (NIV) is often prescribed for the treatment of sleep-disordered breathing (SDB), and chronic respiratory insufficiency. Despite the common practice of initiating NIV later in the progression of DMD, the factors influencing FVC subsequent to the commencement of NIV remain unclear.
View Article and Find Full Text PDFSci Rep
January 2025
Physical Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada.
Sonodynamic therapy is an emerging therapeutic approach against brain tumours. However, the treatment scheme and ultrasound parameters have yet to be explored for clinical translation. Our study aimed to optimize ultrasound parameters for sonodynamic therapy (SDT) with 5-ALA as a sonosensitizing agent and to evaluate its therapeutic outcome on the rodent 9L gliosarcoma and the human U87 glioblastoma models.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Electrical, Computer, and Biomedical Engineering, Toronto Metropolitan University, Toronto, ON, Canada.
Pathology provides the definitive diagnosis, and Artificial Intelligence (AI) tools are poised to improve accuracy, inter-rater agreement, and turn-around time (TAT) of pathologists, leading to improved quality of care. A high value clinical application is the grading of Lymph Node Metastasis (LNM) which is used for breast cancer staging and guides treatment decisions. A challenge of implementing AI tools widely for LNM classification is domain shift, where Out-of-Distribution (OOD) data has a different distribution than the In-Distribution (ID) data used to train the model, resulting in a drop in performance in OOD data.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Otolaryngology-Head & Neck Surgery, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.
Background: Despite several studies having correlated Alzheimer's disease with mental health conditions, the extent to which they have been incorporated into Alzheimer's disease clinical trials remains unclear.
Objective: This study aimed to assess the temporal trends in mental health-related terminology in Alzheimer's disease clinical trials as a proxy measure of research interest. Additionally, it sought to determine the effect of the COVID-19 pandemic on the frequency of these terms through pre-pandemic and post-pandemic trend assessment.
Intensive Care Med
January 2025
Centre for Inflammation Research, Institute For Regeneration and Repair, University of Edinburgh, Edinburgh, Scotland, UK.
Purpose: We hypothesised that the biological heterogeneity of sepsis may highlight sepsis subtypes with differences in response to intravenous vitamin C treatment in the Lessening Organ Dysfunction with VITamin C (LOVIT) trial. Our aims were to identify sepsis subtypes and to test whether sepsis subtypes have differences in treatment effect to vitamin C and describe putative biological effects of vitamin C treatment.
Methods: We measured biomarkers of inflammation, at baseline and at 7 days post-randomisation, in 457/863 (53.
J Neuroophthalmol
January 2025
Departments of Ophthalmology and Visual Sciences (HMM, AH, EM), and Radiology (DMM), University of Toronto, Toronto, Canada; Department of Ophthalmology (LD), McMaster University, Hamilton, Canada; Departments of Ophthalmology and Visual Sciences, and Neurology (JDT), University of Michigan, Ann Arbor, Michigan; Department of Neurology (JDT), University of Michigan, Ann Arbor, Michigan; Division of Neurology, Department of Medicine (EM), University of Toronto, Toronto, Canada.
Background: Chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) is a rare and poorly understood inflammatory disorder of the central nervous system centered on the pons. It has a characteristic imaging appearance with enhancing and T2-hyperintense punctate and curvilinear lesions in the pons. The lesions lack restricted diffusion and have relatively little perilesional edema.
View Article and Find Full Text PDFAesthet Surg J
January 2025
Department of Pediatrics, McMaster University, Hamilton, ON, Canada.
Background: FACE-Q Aesthetics scales assess patient-important outcomes following both surgical/nonsurgical facial cosmetic interventions. Convergent validity is the degree to which the scores of one measurement relate to another measuring a similar construct.
Objectives: This study aims to establish the convergent validity of 11 FACE-Q Aesthetics appearance scales using the MERZ Aesthetics scales.
PLoS One
January 2025
Department of Medicine, University of Toronto, Toronto, ON, Canada.
Background And Aims: The expanded use of virtual care may worsen pre-existing disparities in use and delivery of end-of-life care among certain groups of people. We measured the use of virtual care in the last three months of life before and after the introduction of virtual care fee codes that funded care delivery at the start of COVID-19 on March 14, 2020, and identified changes in the characteristics of people using it.
Methods: We used linked clinical and administrative datasets to study use of virtual care in the last three months of life among 411,564 adults who died between January 25, 2018, and November 30, 2022.
PLoS One
January 2025
Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
Background: Mental health and substance use challenges are highly correlated in youth and have been speculated to be associated with COVID-19 vaccine hesitancy. Literature has also suggested that mental health challenges in youth have increased during the COVID-19 pandemic. However, the longitudinal relationship between mental health challenges in youth and COVID-19 vaccine hesitancy is not well established.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Epidemiology and Biostatistics, University of Western Ontario, London, Ontario, Canada.
The microbiome is increasingly regarded as a key component of human health, and analysis of microbiome data can aid in the development of precision medicine. Due to the high cost of shotgun metagenomic sequencing (SM-seq), microbiome analyses can be done cost-effectively in two phases: Phase 1-sequencing of 16S ribosomal RNA, and Phase 2-SM-seq of an informative subsample. Existing research suggests strategies to select the subsample based on biological diversity and dissimilarity metrics calculated using operational taxonomic units (OTUs).
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