1,157,844 results match your criteria: "Canada; Saint-Hyacinthe Research and Development Centre[Affiliation]"
Aust Occup Ther J
February 2025
School of Physical and Occupational Therapy, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
Introduction: Mild cognitive impairment (MCI) and Alzheimer's disease (AD) lead to decline in performance in activities of daily living (ADLs). Multiple questionnaires assess this construct among older adults. The objective of this study was to review existing literature studying psychometric properties of questionnaires assessing performance in ADLs of older adults living with MCI and AD specifically.
View Article and Find Full Text PDFClin Transl Gastroenterol
January 2025
Division of Gastroenterology, Kansas City VA Medical Center, Kansas City, Missouri, USA.
Introduction: The performance of a high quality esophagogastroduodenoscopy (EGD) is dependent on the mucosal cleanliness. Recently, the Polprep: Effective Assessment of Cleanliness in EGD (PEACE) scale was created to assess the degree of mucosal cleanliness during EGD. The aim of this study was to validate this scoring system in a cohort of international endoscopists.
View Article and Find Full Text PDFNew Phytol
January 2025
Centre for Functional Biodiversity, School of Life Sciences, University of KwaZulu-Natal Pietermaritzburg, Private Bag X01, Scottsville, 3209, South Africa.
Immobility of flowering plants requires them to engage pollen vectors to outcross, introducing considerable inefficiency in the conversion of pollen production into sired seeds. Whether inefficiencies influence the evolution of the relative resource allocation to female and male functions has been debated for more than 40 years. Whereas early models suggested no effect, negative interspecific relations of mean pollen production and pollen : ovule ratios to the proportion of removed pollen that is exported to stigmas (pollen-transfer efficiency) indicate otherwise.
View Article and Find Full Text PDFCardiopulmonary bypass (CPB) in cardiac surgery is associated with a high risk of postoperative neurological complications. Perioperative use of vasopressors is common to counteract arterial hypotension in this setting. However, use of α-agonist vasopressors has been associated with cerebral desaturations.
View Article and Find Full Text PDFMusculoskeletal Care
March 2025
School of Rehabilitation Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Canada.
Purpose: This systematic review evaluated the efficacy of postoperative rehabilitation for patients at risk of poorer outcomes after total knee arthroplasty.
Methods: Six databases were searched, and only randomised controlled trials were included. Two reviewers independently screened, extracted data, and appraised the quality of the studies.
Updates Surg
January 2025
Department of Surgery, St. Paul's Hospital, 1081 Burrard St., Vancouver, BC, V6Z 1Y6, Canada.
This study aims to analyze the accuracy of human reviewers in identifying scientific abstracts generated by ChatGPT compared to the original abstracts. Participants completed an online survey presenting two research abstracts: one generated by ChatGPT and one original abstract. They had to identify which abstract was generated by AI and provide feedback on their preference and perceptions of AI technology in academic writing.
View Article and Find Full Text PDFCerebellum
January 2025
Department of Human Genetics, McGill University, Montréal, Québec, Canada.
Essential Tremor (ET) is the most common movement disorder and has a worldwide prevalence of 1%, including 5% of the population over 65 years old. It is characterized by an active, postural or kinetic tremor, primarily affecting the upper limbs, and is diagnosed based on clinical characteristics. The pathological mechanisms of ET, however, are mostly unknown.
View Article and Find Full Text PDFClin Pharmacokinet
January 2025
Laboratoire de Pharmacologie et Toxicologie, Department of Pharmacology, UR 3801, Reims University Hospital, University of Reims Champagne-Ardenne, 45 rue Cognacq Jay, 51092, Reims Cedex, France.
Background And Objective: Apixaban is increasingly being used for stroke prevention in patients with end-stage kidney disease with atrial fibrillation undergoing haemodialysis, but no pharmacostatistical model is available for dosage adjustment. This study aimed to develop a population pharmacokinetic model of apixaban in these patients to characterise its dialytic clearance and determine optimal dosing regimens and discontinuation timing before surgery.
Methods: Patients received 2.
Int J Cancer
January 2025
Princess Margaret Cancer Centre, University Health Network, Toronto, Canada.
Prostate cancer is a common malignancy that in 5%-30% leads to treatment-resistant and highly aggressive disease. Metastasis-potential and treatment-resistance is thought to rely on increased plasticity of the cancer cells-a mechanism whereby cancer cells alter their identity to adapt to changing environments or therapeutic pressures to create cellular heterogeneity. To understand the molecular basis of this plasticity, genomic studies have uncovered genetic variants to capture clonal heterogeneity of primary tumors and metastases.
View Article and Find Full Text PDFNew Phytol
January 2025
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, 91011, USA.
A new proliferation of optical instruments that can be attached to towers over or within ecosystems, or 'proximal' remote sensing, enables a comprehensive characterization of terrestrial ecosystem structure, function, and fluxes of energy, water, and carbon. Proximal remote sensing can bridge the gap between individual plants, site-level eddy-covariance fluxes, and airborne and spaceborne remote sensing by providing continuous data at a high-spatiotemporal resolution. Here, we review recent advances in proximal remote sensing for improving our mechanistic understanding of plant and ecosystem processes, model development, and validation of current and upcoming satellite missions.
View Article and Find Full Text PDFCurr Top Behav Neurosci
January 2025
Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
Behavioral and psychological symptoms of dementia (BPSD), such as agitation, apathy, and psychosis, are highly prevalent and have a significant impact on patients and their care partners. The neurobiology of BPSD involves a complex interplay of structural brain changes and alterations in the neurotransmitter system. Various genetic and plasma biomarkers have also been studied.
View Article and Find Full Text PDFActa Neurol Belg
January 2025
Department of Ophthalmology and Vision Sciences, University of Toronto, 2075 Bayview Ave, North York, ON, M4N 3M5, Canada.
Mem Cognit
January 2025
École de Psychologie, Université de Moncton, Moncton, NB, E1A 3E9, Canada.
In short-term ordered recall tasks, phonological similarity impedes item and order recall, while semantic similarity benefits item recall with a weak or null effect on order recall. Ishiguro and Saito recently suggested that these contradictory findings were due to an inadequate assessment of semantic similarity. They proposed a novel measure of semantic similarity based on the distance between items in a three-dimensional space composed of the semantic dimensions of valence, arousal, and dominance.
View Article and Find Full Text PDFRheumatol Int
January 2025
Division of Rheumatology, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, AB, Canada.
Little is known about how patients with antiphospholipid syndrome (APS) or antiphospholipid antibodies (aPL) access and trust health information. This research aimed to: describe the sources of information most frequently accessed/trusted by patients with APS/aPL; identify if individuals with APS/aPL perceived their health had been negatively impacted by various sources and document obstacles to accessing health information. Patients meeting Revised Sapporo Criteria for APS or with ≥1 positive aPL on ≥2 occasions were recruited to an online survey regarding their health information use at diagnosis and within 6 months preceding survey completion.
View Article and Find Full Text PDFChilds Nerv Syst
January 2025
Division of Neurosurgery, Department of Surgery, National University Hospital of Singapore, 5 Lower Kent Ridge Rd, Singapore, 119074, Singapore.
Congenital infantile brainstem high-grade gliomas (HGGs) are extremely rare. Given the limited literature characterizing this disease, management of these tumors remains challenging. Brainstem HGGs are generally associated with extremely poor prognosis.
View Article and Find Full Text PDFEur J Trauma Emerg Surg
January 2025
Division of Traumatology, Surgical Critical Care and Emergency Surgery, Perelman School of Medicine of the University of Pennsylvania, Philadelphia, USA.
Purpose: Our study explores the utilization of objective tools for preoperative assessment of elderly patients by Emergency General Surgeons (EGS).
Methods: A descriptive cross-sectional survey was conducted via the European Society for Trauma and Emergency Surgery (ESTES) Research Committee. EGS were invited through the ESTES members' mailing list and social media platforms.
There remains a scarcity of studies to evaluate the treatment effect of electroconvulsive therapy (ECT). Functional near-infrared spectroscopy (fNIRS) offers a cost-effective method to measure cerebral hemodynamics. This study used fNIRS to evaluate the effect of ECT in patients suffering from schizophrenia or bipolar disorder (manic phase).
View Article and Find Full Text PDFAging (Albany NY)
January 2025
EpiMedTech Global, Singapore 409051, Singapore.
This study introduces EpiAgePublic, a new method to estimate biological age using only three specific sites on the gene known for its connection to aging. Unlike traditional methods that require complex and extensive data, our model uses a simpler approach that is well-suited for next-generation sequencing technology, which is a more advanced method of analyzing DNA methylation. This new model overcomes some of the common challenges found in older methods, such as errors due to sample quality and processing variations.
View Article and Find Full Text PDFAerosp Med Hum Perform
January 2025
Introduction: The introduction of fifth-generation fighter aircraft has raised concerns regarding the impact of high gravitational forces on lung function. This study aimed to investigate the acute effects of controlled +Gz exposure, up to +9 Gz, on lung function in military pilots using impulse oscillometry (IOS).
Methods: These studies, conducted in Canada and the Netherlands, involved military pilots undergoing high G centrifuge training.
Blood Adv
January 2025
Simon Fraser University, Burnaby, British Columbia, Canada.
Comprehensive genetic analysis of tumors with exome or whole genome sequencing has enabled the identification of the genes that are recurrently mutated in cancer. This has stimulated a series of exciting advances over the past 15 years, guiding us to new molecular biomarkers and therapeutic targets among the common mature B-cell neoplasms. In particular, diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL) and Burkitt lymphoma (BL) have each been the subject of considerable attention in this field.
View Article and Find Full Text PDFJ Clin Gastroenterol
January 2025
Department of Medicine, McMaster University, Hamilton, ON, Canada.
Background: We aimed to examine the relationship between disease symptoms and disease phenotype in a large Canadian cohort of persons with Crohn's disease (CD).
Methods: Adults (n=1515) with CD from 14 Canadian centers participated in the Mind And Gut Interactions Cohort (MAGIC) between 2018 and 2023. Disease activity was measured using the 24-item IBD Symptom Inventory-Short-Form (IBDSI-SF).
J Bone Joint Surg Am
October 2024
Department of Orthopaedics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
Background: Fixation of distal femoral fractures remains a challenge, and nonunions are common with standard constructs. Far cortical locking (FCL) constructs have been purported to lead to improved fracture-healing as compared with that achieved with traditional locking bridge plates. We sought to test this hypothesis in a comparative effectiveness clinical trial.
View Article and Find Full Text PDFAm J Speech Lang Pathol
January 2025
School of Communication Sciences and Disorders, McGill University, Montreal, Quebec, Canada.
Purpose: There is a scarcity of language assessment tools properly adapted for use with minimally speaking autistic children. As these children often use nonspoken methods of communication (i.e.
View Article and Find Full Text PDFAm J Speech Lang Pathol
January 2025
School of Rehabilitation Science, McMaster University, Hamilton, Canada.
Purpose: Swallowing difficulties have a substantial impact on the burden experienced by care partners of individuals with neurodegenerative disease. Given this, there is a clear need to easily identify and quantify the unique aspects of swallowing-related burden. The purpose of this study was to establish the validity and reliability of the Caregiver Analysis of Reported Experiences with Swallowing Disorders (CARES) screening tool in care partners of individuals with neurodegenerative disease.
View Article and Find Full Text PDFAm J Speech Lang Pathol
January 2025
Departments of Psychiatry and Rehabilitation Medicine, The University of Texas Health Science Center at San Antonio.
Purpose: The aim of this study was to describe the development of and pilot feasibility outcomes for a strategy-based, brief, intensive cognitive rehabilitation intervention delivered to U.S. service members and veterans with mild traumatic brain injury in a recently completed 3-year pragmatic clinical trial: Symptom-Targeted Approach to Rehabilitation for Concussion (STAR-C).
View Article and Find Full Text PDF