Conectar
To quantify the carbon footprint of a sample of clinical trials for neurological disorders.
Cross-sectional study.
Two clinical trial registries were searched on 29 December 2022 for phase 2–4 randomised controlled trials led from and recruiting in the UK, enrolling people with any of the 15 neurological disorders with the highest global burden, that had started recruitment or been registered in the preceding 5 years. Eligible trials were invited to share data to estimate emissions in each of the 10 modules of the Low Carbon Clinical Trials footprinting guidance. The primary outcome measure was kg of carbon dioxide equivalent (CO2e).
318 randomised controlled trials were found, nine were eligible and six shared data (three completed and three ongoing). The module with the highest estimated CO2e for each trial was the Clinical Trial Unit staff emissions (median 24 126 kg CO2e, IQR 10 395–78,867; range 45–79% of overall emissions of each trial); commuting accounted for >50% of CO2e in this module. The second and third highest modules were trial-specific participant assessments (median 11 497 kg CO2e, IQR 825–15,682) and trial supplies and equipment (median 1161 kg CO2e, IQR 226–6632). The total carbon footprint of these six trials involving 2248 participants at 239 sites was 2 63 215 kg CO2e.
Emissions by Clinical Trials Unit staff were the top modifiable carbon hotspot in six randomised controlled trials for people with neurological disorders, which had a total carbon footprint equivalent to 1364 passengers’ return aeroplane journeys between London and Edinburgh.
Over the past three decades, research studies on nurses' engagement in evidence-based practice (EBP) have been widely reported, particularly in high-income countries, with studies from these countries dominating literature reviews. As low- and middle-income countries (LMICs) continue to join the EBP movement, primary research has emerged over the past decade about nurses' engagement with EBP.
The aim of this scoping review was to identify the types and extent of published research regarding nurses' knowledge, skills, attitudes, beliefs, and implementation of EBP in LMICs.
The JBI scoping review methodology was used. Eight databases were searched up to November 2023. The review included primary studies (quantitative, qualitative, and mixed methods) that reported the knowledge, skills, attitudes, beliefs, or implementation of EBP among nurses in LMICs. Included studies focused on registered nurses in all healthcare settings within LMICs. Studies published in English were included with no limit on publication date. Two independent reviewers screened titles, abstracts, and full-text articles of published studies. Data were analyzed quantitatively using frequencies and counts. Textual data from qualitative studies were analyzed using descriptive content analysis.
Fifty-three publications were included, involving 20 LMICs. Studies were published between 2007 and 2023, with over 60% published in the past 7 years. Studies that evaluated familiarity/awareness of EBP showed that in general, nurses had low familiarity with or awareness of EBP. Most studies (60%) described nurses' attitudes toward EBP as positive, favorable, or high, and 31% as moderate. However, over 60% of studies described nurses' EBP knowledge/skills as moderate, low, or insufficient. Approximately 84% of studies described EBP implementation in healthcare settings as moderate, low, poor, or suboptimal.
Studies on nursing EBP have been increasing in LMICs for the past two decades, with findings highlighting opportunities for advancing EBP in nursing within LMICs. Health systems and healthcare organization leaders in LMICs should equip nurses with EBP knowledge and skills while providing the needed resources and support to ensure consistent implementation of EBP to improve health outcomes.
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