72,074 results match your criteria: "QC Canada ; Department of Nutrition; Laval University; Quebec City[Affiliation]"

Non-targeted analysis (NTA) using high-resolution mass spectrometry without defined chemical targets has the potential to expand and improve chemical monitoring in many fields. Despite rapid advancements within the research community, NTA methods and data remain underutilized by many potential beneficiaries. To better understand barriers toward widespread adoption, the Best Practices for Non-Targeted Analysis (BP4NTA) working group conducted focus group meetings and follow-up surveys with scientists (n = 61) from various sectors (e.

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Introduction: In high-altitude cities located above 2,500 m, hospitals face a concerning mortality rate of over 50% among intensive care unit (ICU) patients with acute respiratory distress syndrome (ARDS). This elevated mortality rate is largely due to the absence of altitude-specific medical protocols that consider the unique physiological adaptations of high-altitude residents to hypoxic conditions. This study addresses this critical gap by analyzing demographic, clinical, sex-specific, and preclinical data from ICUs in Bogotá, Colombia (2,650 m) and El Alto, Bolivia (4,150 m).

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Background And Aims: Cardiotoxicity from immune checkpoint inhibitor (ICI) therapy is a challenge in clinical practice, and the assessment of ICI-related myocarditis (ICI-M) is often complicated by a variable phenotype. Cardiac magnetic resonance imaging (CMR) is used frequently, but evidence is poor. Here, we aim to assess the role of CMR in the assessment of suspected ICI-M in a real-world clinical setting.

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A database of nutritional strategies of nanoplankton genera present in North American lake surface waters.

J Plankton Res

July 2024

Department of Biological Sciences and Interuniversity Research Group in Limnology/Groupe de Recherche Interuniversitaire en Limnologie (GRIL), University of Quebec at Montreal, Montreal, C.P. 8888, Succ. Centre-Ville, Montréal, QC, H3C 3P8, Canada.

A database of nutritional strategies of nanoplankton genera present in North American lake surface waters is presented. This work represents an integrated and updated database of nutritional strategies for nanoplankton genera commonly found in surface waters of North American lakes. We tabulate the nutritional strategies (autotroph, phago-mixotroph and phago-heterotroph) for nanoplankton genera identified during several pan-continental lake surveys: the EPA-NLA surveys conducted in 2012 and 2017 across the continental USA and the NSERC Canadian Lake Pulse survey campaign conducted from 2017 to 2019.

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Soil salinization, extreme climate conditions, and phytopathogens are abiotic and biotic stressors that remarkably reduce agricultural productivity. Recently, nanomaterials have gained attention as effective agents for agricultural applications to mitigate such stresses. This review aims to critically appraise the available literature on interactions involving nanomaterials, plants, and microorganisms.

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The interactions between sugar maple (, Marshall) and its microbial communities are important for tree fitness, growth, and establishment. Despite recent progress in our understanding of the rhizosphere and phyllosphere microbial communities of sugar maple, many outstanding knowledge gaps remain. This review delves into the relationships between sugar maple and its microbes, as climate change alters plant species distributions.

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Transcranial ultrasound stimulation (TUS) presents challenges in ultrasound wave transmission through the skull, affecting study outcomes due to aberration and attenuation. While planning strategies incorporating 3D computed tomography (CT) scans help mitigate these issues, they expose participants to radiation, which can raise ethical concerns. A solution involves generating skull masks from participants' anatomical magnetic resonance imaging (MRI).

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Primary Cutaneous Marginal Zone Lymphoma and : Still an Open Book.

J Cutan Med Surg

January 2025

Division of Dermatology, Jewish General Hospital/Lady Davis Institute for Medical Research, McGill University, Montreal, QC, Canada.

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Objective: Anomia is defined by difficulty in retrieving content words like nouns and verbs from long-term memory, independent of any impairments related to articulatory movements or motor speech execution. The tools for measuring picture naming, the conventional method for assessing anomia, are very limited in Turkey. The aim of this study was to adapt the Test de Dénomination de Québec-60 images/Quebec picture-naming test-60 pictures (TDQ-60), a color picture-naming test for adults and the elderly into Turkish, establish its validity, and develop normative data adapted to the Turkish population to address this gap.

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Because educational attainment is associated with well-being in the long term, it is important to understand the developmental processes that enhance academic outcomes during adolescence. Also, although the importance of friends is well documented in adolescence, little is known about how close friends' characteristics work together with youth's own characteristics to shape adolescents' educational trajectories. This study fills an important gap in knowledge by focusing on how middle school students' academic achievement and externalizing problems are associated with their friends' achievement and externalizing problems over time, and how these variables predict educational attainment in adulthood.

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Factor structure and measurement invariance of the GAD-7 across time, sex, and language in young adults.

J Affect Disord

January 2025

École de Santé Publique, Université de Montréal, 7101 Avenue du Parc, Montréal, QC H3N 1X9, Canada; Centre de recherche du Centre Hospitalier Universitaire de Montréal, 900 Rue Saint-Denis, Montréal, QC H2X 0A9, Canada.

Introduction: The Generalized Anxiety Disorder-7 Scale (GAD-7) is widely used to measure anxiety symptom severity. One-factor, two-factor, and bifactor latent structures are supported by previous research. Yet, measurement invariance of the GAD-7 across sex and language (i.

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Stabilised hyaluronic acid gel marker versus surgical clips for tumour bed delineation in breast cancer radiotherapy using MRI-simulation.

Radiother Oncol

January 2025

Department of Radiation Oncology Olivia Newton-John Cancer Wellness & Research Centre Austin Health Victoria Australia; Department of Medical Imaging and Radiation Sciences, Monash University Clayton Victoria Australia; Genesis Care, Ringwood Private Hospital Victoria Australia.

Background And Purpose: Compare breast cancer tumour bed (TB) delineation using stabilised hyaluronic acid (sHA) gel and MRI-simulation versus surgical clips and CT-simulation within same patient cohort.

Materials And Methods: Prospective single arm study of patients undergoing breast conserving surgery. Patients had both clips (≥5) and sHA gel markers inserted to define the TB and underwent MRI and CT simulation scans.

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Alpha-1-Antitrypsin (A1AT) deficiency is a common hereditary disorder associated with increased risk of developing chronic obstructive pulmonary disease (COPD). Many individuals with severe A1AT deficiency go undiagnosed, or are diagnosed late, and fail to benefit from disease-specific counseling and modifying care. Since the 2012 Canadian Thoracic Society (CTS) A1AT deficiency clinical practice guideline, new approaches to optimal diagnosis using modern genetic testing and studies of A1AT augmentation therapy have been published.

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Impact of different foot orthoses on gait biomechanics in individuals with chronic metatarsalgia.

Gait Posture

January 2025

Groupe de Recherche sur les Affections Neuromusculosquelettiques, Université du Québec à Trois-Rivières, Canada; Department of Human Kinetics, Université du Québec à Trois-Rivières, Canada; Center for Interdisciplinary Research in Rehabilitation and Social Integration (Cirris), Quebec, QC, Canada.

Background: Foot orthoses (FOs) are commonly prescribed to reduce pain and improve function in individuals with musculoskeletal disorders, including those with chronic metatarsalgia (CM). Reducing the mechanical overload under the metatarsal heads during locomotion is the central point of the treatment for CM. Medially wedged FOs (MWFOs) with a metatarsal pad could further reduce pressure loading under the metatarsal heads and modify foot and ankle biomechanics compared to standard FOs (SFOs).

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Background: Glioblastoma is an aggressive brain cancer with a 5-year survival rate of 5-10%. Current therapeutic options are limited, due in part to drug exclusion by the blood-brain barrier, restricting access of targeted drugs to the tumor. The receptor for the type 1 insulin-like growth factor (IGF-1R) was identified as a therapeutic target in glioblastoma.

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It is well-known that the use of vocabulary in phenotype treatments is often inconsistent. An earlier survey of biologists who create or use phenotypic characters revealed that this lack of standardization leads to ambiguities, frustrating both the consumers and producers of phenotypic data. Such ambiguities are challenging for biologists, and more so for Artificial Intelligence, to resolve.

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Background: Climate change poses a significant risk to kidney health, and countries with lower national wealth are more vulnerable. Yet, citizens from lower-income countries demonstrate less concern for climate change than those from higher-income countries. Education is a key covariate.

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Purpose: To examine the association between blastocyst morphology and chromosomal status utilizing pre-implantation genetic testing for aneuploidy (PGT-A).

Methods: A single-center retrospective cohort study including 169 in-vitro fertilization cycles that underwent PGT-A using Next Generation Sequencing (2017-2022). Blastocysts were morphologically scored based on Gardner and Schoolcraft's criteria.

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Risks and rates, and the mathematical link between them.

Eur J Epidemiol

January 2025

Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, H3A 1G1, Canada.

The risk over a given time span can be calculated as one minus the exponentiated value of the negative of the integral of the incidence density function (or hazard rate function) over that time span. This relationship is widely used but, in the few instances where textbooks have presented it, the derivations of it tend to be purely mathematical. I first review the historical contexts, definitions, distinctions and links.

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The COVID-19 pandemic instigated changes in almost all aspects of youth's life. While numerous studies have been implemented to understand how these changes are related to youth's development, few concerned large representative samples. This study introduces the methodology and initial results of the Quebec (Canada) Resilience Project (QRP), a representative longitudinal study.

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Purpose Of Review: Protein intake is recognized as a key nutritional factor crucial for optimizing Metabolic Bariatric Surgery (MBS) outcomes by preventing protein malnutrition, preserving fat-free mass, and inducing satiety. This paper discusses the current evidence regarding protein intake and its impact on clinical outcomes following MBS.

Recent Findings: There are considerable gaps in the understanding of protein requirements following MBS, as existing guidelines are based on limited and inconsistent reports.

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Introduction: HIV self-testing (HIVST) is an innovative strategy that has been shown to increase uptake of HIV testing compared to conventional facility-based testing. HIVST implementation with digital-based supports may help facilitate testing accessibility and linkage to care after a reactive self-test. Economic evidence around community-based implementation of HIVST is growing; however, economic evidence around digital-based HIVST approaches remains limited.

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