126 results match your criteria: "The University of British Columbia Okanagan[Affiliation]"

Objective: Despite knowledge that health outcomes vary according to patient characteristics, identity, and geography, including underrepresented populations in arthritis research remains a challenge. We conducted interviews to explore how researchers in arthritis have used equity, diversity, and inclusion (EDI) principles to inform their research.

Methods: Semi-structured interviews were conducted with individuals who 1) have experience conducting arthritis research studies; 2) reside in and/or conduct their research in Canada; and 3) speak English or French.

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Social media (SM) groups can connect users to similar others and may be particularly valuable for marginalized populations who lack support in their offline lives. Prior research highlights substantial heterogeneity in users' engagement with and experience in SM groups, which may relate to social and emotional health in important ways. The current study used a cross-sectional survey of users of Facebook groups for multiracial people ( = 424) to identify user profiles and test how profiles relate to depressive symptoms and global sense of belonging.

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Effect of a home-based exercise program on subsequent falls among community-dwelling older adults with cognitive frailty: A sub-group analysis of a randomized controlled trial.

Maturitas

January 2025

Aging, Mobility, and Cognitive Neuroscience Laboratory, Department of Physical Therapy, The University of British Columbia, Vancouver, BC, Canada; Djavad Mowafaghian Centre for Brain Health, Vancouver Coastal Health Research Institute, Vancouver, BC, Canada; Centre for Aging Solutions for Mobility, Activity, Rehabilitation, and Technology (SMART) at Vancouver Coastal Health, Vancouver Coastal Health Research Institute, Canada. Electronic address:

Objectives: Cognitive frailty is characterized by concurrent physical frailty and mild cognitive impairment and is associated with increased risk of falls. Exercise is an evidence-based strategy to prevent falls, but whether exercise reduces falls in people with cognitive frailty is unknown. We examined the effects of home-based exercise on subsequent falls among community-dwelling older adults with cognitive frailty who have previously fallen.

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Introduction: One-third of adults aged 65+ fall annually. Injuries from falls can be devastating for individuals and account for 1.5% of annual healthcare spending.

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Water quality modelling in Water Distribution systems (WDS) is frequently affected by uncertainties in input variables such as base demand and decay constants. When utilizing simulation tools like EPANET, which necessitate exact numerical inputs, these uncertainties can result in inaccurate simulations. This study proposes a novel framework that leverages unsupervised machine learning, specifically a Gaussian Mixture Model (GMMs), to represent and integrate these uncertainties in the simulation.

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Three-dimensional (3D) vegetation structure influences animal movements and, consequently, ecosystem functions. Animals disperse the seeds of 60%-90% of trees in tropical rainforests, which are among the most structurally complex ecosystems on Earth. Here, we investigated how 3D rainforest structure influences the movements of large, frugivorous birds and resulting spatial patterns of seed dispersal.

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Vestibular control of standing balance following 24 h of sleep deprivation.

Exp Brain Res

November 2024

School of Health and Exercise Sciences, Faculty of Health and Social Development, The University of British Columbia Okanagan, ART 360 (Arts Building), 1147 Research Road, Kelowna, BC, V1V 1V7, Canada.

Sleep deprivation alters cognitive and sensorimotor function, but its effects on the control of standing balance are inconclusive. The vestibular system is critical for standing balance, and is modified by sleep deprivation; however, how sleep deprivation affects vestibular-evoked balance responses is unknown. Thus, this study aimed to examine the effect of 24 h of sleep deprivation on the vestibular control of standing balance.

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In Dickie et al. (2024), we contrasted the effects of climate and habitat alteration on white-tailed deer density, recognizing the role of both these factors. Barnas et al.

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Direct encounters, in which two or more individuals are physically close to one another, are a topic of increasing interest as more and better movement data become available. Recent progress, including the development of statistical tools for estimating robust measures of changes in animals' space use over time, facilitates opportunities to link direct encounters between individuals with the long-term consequences of those encounters. Working with movement data for coyotes (Canis latrans) and grizzly bears (Ursus arctos horribilis), we investigate whether close intraspecific encounters were associated with spatial shifts in the animals' range distributions, as might be expected if one or both of the individuals involved in an encounter were seeking to reduce or avoid conflict over space.

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Purpose: To evaluate the feasibility of an open-source, semi-automated, and reproducible vertex placement tool to improve the efficiency of lattice radiotherapy (LRT) planning. We used polymer gel dosimetry with a Cone Beam CT (CBCT) readout to commission this LRT technique.

Material And Methods: We generated a volumetric modulated arc therapy (VMAT)-based LRT plan on a 2 L NIPAM polymer gel dosimeter using our Eclipse Acuros version 15.

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Background: During the COVID-19 pandemic, youth had rising mental health needs and changes in service accessibility. Our study investigated changes in use of mental health care services for Canadian youth in Alberta before and during the COVID-19 pandemic. We also investigated how youth utilization patterns differed for subgroups based on social factors (i.

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Demand is emerging for personal health records (PHRs), a patient-centric digital tool for engaging in shared decision-making and healthcare data management. This study uses a RE-AIM framework to explore rural patients and providers' perceptions prior to and following implementation of a PHR. Health care providers and their patients were recruited from early-adopter patient medical home clinics and a local patient advisory group.

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This systematic review evaluates the efficacy of self-care interventions for atrial fibrillation (AF), focusing on strategies for maintenance, monitoring, and management applied individually or in combination. Adhering to the 2020 PRISMA guidelines, the search strategy spanned literature from 2005 to 2023, utilizing keywords and subject headings for "atrial fibrillation" and "self-care" combined with the Boolean operator AND. The databases searched included Medline, Embase, and CINAHL.

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Objective: Clinicians treating patients with patellofemoral pain (PFP) rely on consensus statements to make the best practice recommendations in the absence of definitive evidence on how to manage PFP. However, the methods used to generate and assess agreement for these recommendations have not been examined. Our objective was to map the methods used to generate consensus-based recommendations for PFP and apply four novel questions to assess the rigour of consensus development.

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Seed distribution stability in permanent breast seed implant brachytherapy.

Brachytherapy

July 2024

Department of Medical Physics, BC Cancer - Kelowna, Kelowna, British Columbia, Canada; Department of Computer Science, Mathematics, Physics and Statistics, The University of British Columbia Okanagan, Kelowna, British Columbia, Canada.

Purposes: In this study we aim to quantitatively evaluate the stability of implanted seeds in permanent breast seed implant (PBSI) brachytherapy and assess any impact on treatment quality.

Methods And Materials: Sixty-seven consecutive patients who received PBSI treatment at BC Cancer Kelowna from 2013 to 2021 with post-implant CT images available were included in this study. For each patient, two sets of post-implant CT scans were retrospectively analyzed: Day0, obtained immediately after implant, and Day30, obtained approximately one month following implant.

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Integrating multiple single-cell datasets is essential for the comprehensive understanding of cell heterogeneity. Batch effect is the undesired systematic variations among technologies or experimental laboratories that distort biological signals and hinder the integration of single-cell datasets. However, existing methods typically rely on a selected dataset as a reference, leading to inconsistent integration performance using different references, or embed cells into uninterpretable low-dimensional feature space.

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Anthropogenic habitat alteration and climate change are two well-known contributors to biodiversity loss through changes to species distribution and abundance; yet, disentangling the effects of these two factors is often hindered by their inherent confound across both space and time. We leveraged a contrast in habitat alteration associated with the jurisdictional boundary between two Canadian provinces to evaluate the relative effects of spatial variation in habitat alteration and climate on white-tailed deer (Odocoileus virginianus) densities. White-tailed deer are an invading ungulate across much of North America, whose expansion into Canada's boreal forest is implicated in the decline of boreal caribou (Rangifer tarandus caribou), a species listed as Threatened in Canada.

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Radiation-induced lung injury (RILI) is a dose-limiting toxicity for cancer patients receiving thoracic radiotherapy. As such, it is important to characterize metabolic associations with the early and late stages of RILI, namely pneumonitis and pulmonary fibrosis. Recently, Raman spectroscopy has shown utility for the differentiation of pneumonitic and fibrotic tissue states in a mouse model; however, the specific metabolite-disease associations remain relatively unexplored from a Raman perspective.

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Background And Objective: Cannabis use is increasing among older adults, with use primarily for medicinal purposes. Much of the evidence on perceptions of cannabis is derived from younger populations and current users of cannabis. The purpose of this study was to describe community-dwelling older Canadians' perceptions of cannabis effectiveness, safety and accessibility for medicinal purposes and to identify factors influencing cannabis perceptions.

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Hunting can increase physical activity of Indigenous peoples in Canada: pixem re yecwme'nstut.

Appl Physiol Nutr Metab

June 2024

Esk'etemc Indian Band, Secwépemc First Nation, Alkali Lake, BC, Canada.

This study examined whether Indigenous peoples could achieve the Canadian Physical Activity Guidelines (CPAG) for adults while engaging in the cultural practice of hunting. It was hypothesized that Indigenous hunters would achieve or surpass the physical activity (PA) thresholds set forth by the CPAG on days spent hunting. Step count and heart rate were recorded from six male participants during mule deer hunts and days spent on-reserve.

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Purpose: Deep learning-based auto-segmentation algorithms can improve clinical workflow by defining accurate regions of interest while reducing manual labor. Over the past decade, convolutional neural networks (CNNs) have become prominent in medical image segmentation applications. However, CNNs have limitations in learning long-range spatial dependencies due to the locality of the convolutional layers.

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Purpose: To develop an in-depth understanding of spinal cord injury (SCI) researchers' barriers and facilitators to deciding to use 1) a partnered approach to research and, 2) systematically developed principles for guiding Integrated Knowledge Translation (IKT) in spinal cord injury research (IKT Guiding Principles).

Methods: Qualitative interview study with North American SCI researchers who were interested in using a partnered research approach. The research was conducted using an IKT approach, and interview data were analyzed using reflexive thematic analysis.

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Reprogramming of cellular metabolism is a driving factor of tumour progression and radiation therapy resistance. Identifying biochemical signatures associated with tumour radioresistance may assist with the development of targeted treatment strategies to improve clinical outcomes. Raman spectroscopy (RS) can monitor post-irradiation biomolecular changes and signatures of radiation response in tumour cells in a label-free manner.

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