1,199,502 results match your criteria: "Canada; University of Ottawa Brain and Mind Research Institute[Affiliation]"

Introduction: Research on listening to podcasts while driving suggested no significant difference compared to undistracted listening. However, these studies were conducted in non-controlled driving environments, limiting the evaluation of the environment's impact. This study aimed to compare knowledge acquisition and retention among resident physicians and undergraduate students while listening to medical education podcasts in a controlled, simulator-based, driving environment versus an undistracted listening condition.

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Large B cell lymphoma microenvironment archetype profiles.

Cancer Cell

July 2025

Department of Lymphoma and Myeloma, University of Texas (UT) MD Anderson Cancer Center, Houston, TX, USA; Lymphoid Malignancies Program, UT MD Anderson Cancer Center, Houston, TX, USA; Department of Genomic Medicine, UT MD Anderson Cancer Center, Houston, TX, USA. Electronic address: mgreen5@mdander

Large B cell lymphomas (LBCL) are clinically and biologically heterogeneous lymphoid malignancies with complex microenvironments that are central to disease etiology. Here, we have employed single-nucleus multiome profiling of 232 tumor and control biopsies to characterize diverse cell types and subsets that are present in LBCL tumors, effectively capturing the lymphoid, myeloid, and non-hematopoietic cell compartments. Cell subsets co-occurred in stereotypical lymphoma microenvironment archetype profiles (LymphoMAPs) defined by; (1) a sparsity of T cells and high frequencies of cancer-associated fibroblasts and tumor-associated macrophages (FMAC); (2) lymph node architectural cell types with naive and memory T cells (LN); or (3) activated macrophages and exhausted CD8 T cells (TEX).

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Background: South Africa faces emerging resistance to TB drugs like bedaquiline. Phenotypic drug susceptibility testing (DST), the current reference standard for bedaquiline DST, has long turnaround times. Targeted next-generation sequencing (tNGS) offers a comprehensive alternative, potentially delivering faster results.

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The integration of digital health and informatics competencies into health care education in Canada is essential for preparing a workforce capable of leveraging health care technologies to enhance care delivery and patient outcomes. Despite significant advancements, the current educational landscape in digital health remains inconsistent, characterized by fragmented curricula and uneven competency attainment. Addressing these gaps requires an innovative reframing of digital health competencies guided by a robust, outcomes-oriented framework.

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Introduction: Current commercial cerebral oximeters only monitor the frontal lobes, however, some cerebrovascular territories may experience ischemia while others remain well perfused. This pilot study used a novel, high-density, dual-wavelength, time-resolved functional cerebral oximeter (Kernel Flow) with 2000 channels to assess the regional differences of cerebral oxygenation (StO2) in response to hypotension across different vascular territories during shoulder surgery in the beach chair position.

Methods: Twenty-seven adult patients were monitored, recording blood pressure, heart rate, regional cerebral oxygen saturation, and other vital parameters.

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Alterations in the structure of the Golgi apparatus play a pivotal role in cancer progression and invasion. A better understanding of how Golgi morphology regulates the metastatic potential of cancer cells could help identify potential treatment strategies. In this study, we investigated how specific structural variations in the Golgi, particularly fragmentation and condensation, influence the malignancy of gastric cancer using human cell lines, xenograft mouse models, and human patient tissue samples.

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Importance: Neonatal intensive care has advanced over recent decades, yet premature birth remains associated with increased neonatal mortality and morbidity.

Objective: To describe health service use, morbidity, and medication needs up to age 5 years in a contemporary cohort of children born preterm.

Design, Setting, And Participants: This population-based cohort study was conducted in British Columbia (BC), Canada, using health service and pharmacy data linked using provincial administrative databases.

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Lasting Burden of Preterm Birth on Health and Health Services.

JAMA Pediatr

September 2025

Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.

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Importance: There is an unmet need for long-term, safe, effective, and hormone-free treatments for menopausal symptoms, including vasomotor symptoms (VMS) and sleep disturbances.

Objective: To evaluate the 52-week efficacy and safety of elinzanetant, a dual neurokinin-targeted therapy, for treating moderate to severe VMS associated with menopause.

Design, Setting, And Participants: OASIS-3 was a double-blind, placebo-controlled, randomized phase 3 clinical trial that was conducted at 83 sites in North America and Europe from August 27, 2021, to February 12, 2024, and included postmenopausal women aged 40 to 65 years who were seeking treatment for moderate to severe VMS (no requirement for a minimum number of VMS events per week).

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Timely and accurate assessment of wounds during the healing process is crucial for proper diagnosis and treatment. Conventional wound dressings lack both real-time monitoring capabilities and active therapeutic functionalities, limiting their effectiveness in dynamic wound environments. Herein, we report our proof-of-concept approach exploring the unique emission properties and antimicrobial activities of carbon nanodots (CNDs) for simultaneous detection and treatment of bacteria.

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Importance: The cost-effectiveness of adding early in-bed cycling to usual physiotherapy among adults receiving mechanical ventilation in the intensive care unit (ICU) compared with usual physiotherapy alone is unknown.

Objective: To evaluate the cost-effectiveness of in-bed cycling plus usual physiotherapy compared with usual therapy alone in the Critical Care Cycling to Improve Lower Extremity Strength (CYCLE) randomized clinical trial.

Design, Setting, And Participants: This trial-based economic evaluation with a 90-day time horizon compared early cycling plus usual physiotherapy vs usual physiotherapy alone from a societal perspective.

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Importance: Youth living with type 1 diabetes (T1D) are increasingly choosing automated insulin delivery (AID) systems to manage their blood glucose. Few systematic reviews meta-analyzing results from randomized clinical trials (RCTs) are available to guide decision-making.

Objective: To study the association of prolonged AID system use in an outpatient setting with measures of glucose management and quality of life in youth with T1D.

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In pig production, weaning is a critical period where piglets face several environmental stressors. This transition leads to a significant growth reduction and can result in digestive disorders, including diarrhea. To formulate a feed that meets zinc (Zn) and copper (Cu) requirements during the weaning period while minimizing their release into the environment, it became evident that a more bioavailable micro-mineral supplement is necessary.

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Background And Aims: Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), remain heterogeneous disorders with variable response to biologics. Post-operative recurrence in CD is common despite surgery and prophylactic biotherapies. Understanding the inflammatory mediators associated with recurrence and treatment response could pave the way for personalized strategies.

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The emergence of antimicrobial resistance (AMR) Escherichia coli in poultry farming is a growing global public health concern, particularly in Bangladesh, where the use of antibiotics remains largely unregulated. This study aimed to determine the prevalence and AMR patterns of E. coli isolated from broiler chickens in Sylhet district of Bangladesh and to investigate the network of coexisting resistance traits among the isolates.

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Background: Few data are available on the impact of primary sclerosing cholangitis (PSC) on inflammatory bowel disease (IBD).

Objective: We conducted a retrospective study using TriNetX to compare the outcomes of patients with IBD and those with concomitant IBD and PSC.

Methods: All patients with a confirmed diagnosis of Crohn's disease (CD), ulcerative colitis (UC), or indeterminate colitis with or without PSC were eligible.

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Gender inequalities in authorship have extensively been investigated, yet evidence on ethnic inequalities remains limited, with even fewer studies examining the intersections of the two. Our study aims to identify and measure the magnitude of intersectional (gender-by-ethnicity) inequalities among United Kingdom (U.K.

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Introduction: No head-to-head studies comparing the efficacy of avalglucosidase alfa (AVA) with cipaglucosidase alfa + miglustat (Cipa+mig) have been conducted in patients with late-onset Pompe disease (LOPD). Two indirect treatment comparisons (ITCs) were conducted to estimate the effects of AVA versus Cipa+mig.

Methods: ITCs were conducted using simulated treatment comparisons (STCs), adjusting for differences in prognostic factors and treatment effect modifiers.

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To summarize the evidence examining the outcomes of Descemet membrane endothelial keratoplasty (DMEK) using eye bank pre-stripped versus surgeon prepared grafts. Systematic review and meta-analysis. This study was conducted following the preferred reporting items for systematic reviews and meta-analyses consensus statement (PROSPERO ID: CRD42023457120).

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Background and purposeThis study presents our initial experience using Obtura, a novel nonadhesive liquid embolic agent with extra-low viscosity variants, in transvenous curative embolization of brain arteriovenous malformations (bAVMs). We assess the agent's performance and compare its advantages with other extra-low viscosity options currently available.Materials and methodsFive patients (three females, two males; mean age, 33 years; range, 20-55 years) with ruptured bAVMs were treated using the transvenous retrograde pressure cooker technique (TVRPCT).

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Objective: We sought to measure whether receipt of an enhanced 18-month well-baby visit with use of a developmental screening tool versus a routine 18-month well-baby visit (which typically involves developmental surveillance without screening) is associated with time to identification of developmental delays.

Method: We conducted a cohort study of children (17-22 months) in Ontario who received an 18-month well-baby visit (March 2020‒March 2022), followed to September 2022 using linked health administrative datasets. Visits were categorized as enhanced (n = 83,554) or routine (n = 15,723).

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