Publications by authors named "Nicholson V"

Background: Recovery after severe injury may be impacted by a range of psychological factors. This multi-site study investigated the prevalence and impact of anxiety and depression at one year after trauma critical care admission.

Methods: Adult trauma patients admitted to four Level 1 Critical Care Units were prospectively enrolled over 18 months.

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The conformational ensemble and function of intrinsically disordered proteins (IDPs) are sensitive to their solution environment. The inherent malleability of disordered proteins, combined with the exposure of their residues, accounts for this sensitivity. One context in which IDPs play important roles that are concomitant with massive changes to the intracellular environment is during desiccation (extreme drying).

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Question: In stroke rehabilitation, what is the effect of adding non-stimulation-based priming prior to task-specific practice on activity and motor impairment outcomes compared with task-specific practice alone?

Design: Systematic review with meta-analysis.

Participants: Adult stroke survivors.

Intervention: The experimental groups completed a non-stimulation priming intervention prior to task-specific practice.

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Research is needed to better understand factors promoting health and well-being with Indigenous Peoples and people with socioeconomic barriers in Canada, given they face multiple social determinants that are barriers to health. Individual dispositions, sense of purpose and conscientiousness, are known to predict health and well-being in broader samples. In a community-based approach, guided by Indigenous Elders with traditional ways of knowing, we aimed to determine whether these measures correlate with self-rated health and well-being among Indigenous ( = 149) and non-Indigenous ( = 151) Peoples in Vancouver, Canada.

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Objectives: The community-based, longitudinal, Canadian HIV Women's Sexual and Reproductive Health Cohort Study (CHIWOS) explored the experiences of women with HIV in Canada over the past decade. CHIWOS' high-impact publications document significant gaps in the provision of healthcare to women with HIV. We used concept mapping to analyse and present a summary of CHIWOS findings on women's experiences navigating these gaps.

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Tardigrades are microscopic animals that survive desiccation by inducing biostasis. To survive drying tardigrades rely on intrinsically disordered CAHS proteins, which also function to prevent perturbations induced by drying in vitro and in heterologous systems. CAHS proteins have been shown to form gels both in vitro and in vivo, which has been speculated to be linked to their protective capacity.

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The conformational ensemble and function of intrinsically disordered proteins (IDPs) are sensitive to their solution environment. The inherent malleability of disordered proteins combined with the exposure of their residues accounts for this sensitivity. One context in which IDPs play important roles that is concomitant with massive changes to the intracellular environment is during desiccation (extreme drying).

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Article Synopsis
  • The Women-Centred HIV Care (WCHC) Model was created using data from a national study and focus groups to improve healthcare delivery for women living with HIV.* -
  • Two toolkits in English and French were developed for service providers and women with HIV, with extensive outreach through webinars and training sessions, reaching over 300 individuals.* -
  • The initiative showed positive outcomes, with a 29% increase in WCHC knowledge and high confidence in care abilities among participants, along with 7766 downloads of the toolkits by December 2023.*
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Background: Even with the Undetectable equals Untransmittable campaign (U=U) campaign, women living with HIV continue to experience intersecting forms of stigma. We explored how the somatic experiences of viewing a film about U=U and women could help individuals gain deeper understandings of HIV and alter learned prejudices.

Methods: HIV Made Me Fabulous is a film that utilises embodied storytelling to tell the story of a trans woman living through social and historical traumas of HIV.

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Early menopause (<45 years) has significant impacts on bone, cardiovascular, and cognitive health. Several studies have suggested earlier menopause for women living with HIV; however, the current literature is limited by reliance on self-report data. We determined age at menopause in women living with HIV and socio-demographically similar HIV-negative women based on both self-report of menopause status (no menses for ≥12 months) and biochemical confirmation (defined as above plus follicle-stimulating hormone level ≥ 25 IU/mL).

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Mobile phone-based engagement approaches provide potential platforms for improving access to primary healthcare (PHC) services for underserved populations. We held two focus groups (February 2020) with residents ( = 25) from a low-income urban neighbourhood (downtown Vancouver, Canada), to assess recent healthcare experiences and elicit interest in mobile phone-based healthcare engagement for underserved residents. Note-based analysis, guided by interpretative description, was used to explore emerging themes.

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Background: Overall satisfaction with physical therapy care can improve patient adherence and active involvement in their management. However, which individual factors most influence satisfaction with private practice physical therapy care is not well established.

Objective: To identify which aspects of the private practice musculoskeletal physical therapy experience best delineated "completely satisfied" and "dissatisfied patients".

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Biologics, pharmaceuticals containing or derived from living organisms, such as vaccines, antibodies, stem cells, blood, and blood products are a cornerstone of modern medicine. However, nearly all biologics have a major deficiency: they are inherently unstable, requiring storage under constant cold conditions. The so-called 'cold-chain', while effective, represents a serious economic and logistical hurdle for deploying biologics in remote, underdeveloped, or austere settings where access to cold-chain infrastructure ranging from refrigerators and freezers to stable electricity is limited.

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Background: The HIV care cascade is an indicators-framework used to assess achievement of HIV clinical targets including HIV diagnosis, HIV care initiation and retention, initiation of antiretroviral therapy, and attainment of viral suppression for people living with HIV.

Methods: The HIV Care Cascade Research Development Team at the CIHR Canadian HIV Trials Network Clinical Care and Management Core hosted a two-day virtual workshop to present HIV care cascade data collected nationally from local and provincial clinical settings and national cohort studies. The article summarizes the workshop presentations including the indicators used and available findings and presents the discussed challenges and recommendations.

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Little is known about how the co-occurrence of psychosocial factors affect sub-populations of people living with HIV (PLWH). We used cross-sectional data from 999 PLWH, aged ≥19, accessing antiretroviral therapy (ART) in British Columbia, Canada (2007-2010) to examine associations between psychosocial factors and ART-related outcomes separately for trans/cis inclusive women; heterosexual men; and gay, bisexual, and other men who have sex with men (gbMSM). Multivariable logistic regression examined associations between psychosocial factors (0-3): any violence in the past 6 months, depressive symptoms in the past week, and current street drug use (heroin, crack, meth or speedball) with sub-optimal adherence (outcome 1: average annual ART adherence <95% from interview until end of follow-up, death, or December 31st, 2018) and ever viral rebound (outcome 2) adjusting for potential confounders.

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Life expectancy for people living with HIV has increased, but management of HIV is now more complex due to comorbidities. This study aimed to measure the prevalence of comorbidities among women living with HIV in Canada. We conducted a cross-sectional analysis using data from the 18-months survey (2014−2016) of the Canadian HIV Women’s Sexual and Reproductive Health Cohort Study (CHIWOS).

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Background: A greater understanding of physiotherapists' work-life during their first year of work in private practice, and whether their experiences are mediated by personal traits, may provide valuable information to support their transition and retention.

Objectives: Describe the first year of practice for graduate physiotherapists in terms of employee engagement, job satisfaction, performance, and burnout, and evaluate the relationship between these measures and personal traits (resilience, grit, mind-set).

Design: One-year longitudinal mixed-methods study.

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Background: Sexual relationship power (SRP) inequities, including having a controlling partner, have not been widely examined among women living with HIV (WLWH). We measured the prevalence and key outcomes of relationship control among WLWH in Canada.

Methods: Baseline data from WLWH (≥16 years), reporting consensual sex in the last month enrolled in a Canadian community-collaborative cohort study in British Columbia, Ontario, and Quebec, included the relationship control SRP subscale by Pulerwitz (2000).

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Action on the World Health Organization requires evidence-based, equity-oriented, and regionally specific strategies centred on priorities of women living with HIV. Through community-academic partnership, we identified recommendations for developing a national action plan focused on enabling environments that shape sexual and reproductive health and rights by, with, and for women living with HIV in Canada. Between 2017 and 2019, leading Canadian women's HIV community, research, and clinical organizations partnered with the World Health Organization to convene a webinar series to describe the World Health Organization Consolidated guideline, define sexual and reproductive health and rights priorities in Canada, disseminate Canadian research and best practices in sexual and reproductive health and rights, and demonstrate the importance of community-academic partnerships and meaningful engagement of women living with HIV.

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Objectives: People living with human immunodeficiency virus in Canada can face criminal charges for human immunodeficiency virus non-disclosure before sex, unless a condom is used and their viral load is <1500 copies/mL. We measured the reported impact of human immunodeficiency virus non-disclosure case law on violence from sexual partners among women living with human immunodeficiency virus in Canada.

Methods: We used cross-sectional survey data from wave 3 participant visits (2017-2018) within Canadian HIV Women's Sexual and Reproductive Health Cohort Study; a longitudinal, community-based cohort of women living with human immunodeficiency virus in British Columbia, Ontario and Quebec.

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COVID-19 vaccination is recommended for people living with HIV (PLWH), among whom social inequities and co-morbidities may drive risks of COVID-19 infection and outcome severity. Among a provincial (British Columbia) sample, we determined the prevalence of COVID-19 vaccine intention by HIV status and assessed socio-demographic, vaccine hesitancy, and psychological predictors of vaccine intention. Individuals (25-69 years) recruited from province-wide research cohorts and the general public completed an online survey examining COVID-19 impacts (August/2020-March/2021).

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Background: Increasingly, women living with HIV are entering menopause (ie, cessation of menses for ≥1 year) and experiencing midlife symptoms. Menopausal hormone therapy (MHT) is first-line therapy for bothersome hot flashes and early menopause (ie, before age 45 years); however, its use in women living with HIV is poorly described. We conducted a cross-sectional assessment of MHT uptake and barriers to use in this group.

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Introduction: Women living with HIV (WLWH) experience accelerated ageing and an increased risk of age-associated diseases earlier in life, compared with women without HIV. This is likely due to a combination of viral factors, gender differences, hormonal imbalance and psychosocial and structural conditions. This interdisciplinary cohort study aims to understand how biological, clinical and sociostructural determinants of health interact to modulate healthy ageing in WLWH.

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