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Ayer — Octubre 2nd 2025Tus fuentes RSS

Assessing the Effectiveness of Interventions Implemented by Nurses to Reduce Medication Administration Errors in Hospitalised Acute Adult Patient Settings: Systematic Review and Meta‐Analysis

ABSTRACT

Background

Medication administration errors are high-risk patient safety issues that could potentially cause harm to patients, thereby delaying recovery and increasing length of hospital stay with additional healthcare costs. Nurses are pivotal to the medication administration process and are considered to be in the position to recognize and prevent these errors. However, the effectiveness of interventions implemented by nurses to reduce medication administration errors in acute hospital settings is less reported.

Aim

To identify and quantify the effectiveness of interventions by nurses in reducing medication administration errors in adults' inpatient acute hospital.

Methods

A systematic review and meta-analysis was conducted up to 03/24. Six databases were searched. Study methodology quality assessment was conducted using the Joanna Briggs Institute (JBI) critical appraisal tools, and data extraction was conducted. Meta-analysis was performed to combine effect sizes from the studies, and synthesis without meta-analysis was adopted for studies that were not included in the meta-analysis to aggregate and re-examine results from studies.

Results

Searches identified 878 articles with 26 studies meeting the inclusion criteria. Five types of interventions were identified: (1) educational program, (2) workflow smart technologies, (3) protocolised improvement strategy, (4) low resource ward-based interventions, and (5) electronic medication management. The overall results from 14 studies included in meta-analysis showed interventions implemented by nurses are effective in reducing medication administration errors (Z = 2.15 (p = 0.03); odds ratio = 95% CI 0.70 [0.51, 0.97], I 2 = 94%). Sub-group analysis showed workflow smart technologies to be the most effective intervention compared to usual care. Findings demonstrate that nurse-led interventions can significantly reduce medication administration errors compared to usual care. The effectiveness of individual interventions varied, suggesting a bundle approach may be more beneficial. This provides valuable insights for clinical practice, emphasizing the importance of tailored, evidence-based approaches to improving medication safety.

Reporting Method

PRISMA guided the review and JBI critical appraisal tools were used for quality appraisal of included studies.

Confidential Conversations in Palliative Care: An Ethnographic Exploration of Trust and Interpersonal Relationship Between Nurse and Patient

ABSTRACT

Aim

To explore aspects of interpersonal relationships in palliative care nursing, focusing on confidential conversations between patients and registered nurses (RN).

Design

A qualitative study employing focused ethnography.

Methods

Data were collected through unstructured participant observations, field notes and interviews with patients and RN in specialist palliative care. Data were analysed using reflective thematic analysis.

Findings

Confidential conversations in palliative care are founded on trust that is fragile and develops dynamically through consistent interactions. Small talk, presence and silence are essential for initiating and maintaining trust and the interpersonal relationship. The environment, patient condition and RN emotional presence and competence shape these conversations. As the relationship evolves, conversations adapt to the patient's changing needs. Missed signals or interruptions can disrupt flow, but the potential for repair remains, allowing for restoration and strengthening of trust and connection.

Conclusion

Confidential conversations in palliative care are grounded in fragile, dynamic trust, necessitating ongoing presence, sensitivity and adaptability from RN. To support these interactions, healthcare environments must prioritise privacy, relational continuity and communication training. Future research should investigate how organisational structures and clinical settings influence confidential conversations.

Implications for the Profession and/or Patient Care

Healthcare environments should facilitate confidential conversations by ensuring relational continuity and minimising distractions. Communication training that emphasises presence and management of silence can strengthen nurse–patient relationships, enhancing patient care and emotional support.

Impact

This study explores key aspects of confidential conversations in palliative care, emphasising trust and emotional sensitivity. It addresses a research gap in palliative care using rare observational methods to deepen understanding of nursing relational aspects. The findings offer practical guidance for enhancing communication and relational skills, informing training and policy development and ultimately, improving emotional support and care.

Reporting Method

Findings are reported in accordance with the Consolidated Criteria for Reporting Qualitative Research guidelines.

Patient or Public Contribution

This study did not involve patient or public participation in its design, conduct or reporting.

Glasgow Coma Scale Practice Among Emergency Nurses in China: A Multicenter Cross‐Sectional Study

ABSTRACT

Aim

To analyse current Glasgow Coma Scale practice among emergency nurses in China and identify factors influencing assessment quality.

Design

A quantitative, multicenter cross-sectional design.

Methods

A convenience sample of 1740 emergency nurses from secondary and tertiary hospitals across 21 provinces completed a validated structured questionnaire between March and April 2025. Participants had at least 6 months of emergency nursing experience. Data analysis included descriptive statistics, chi-square tests, and multiple logistic regression to examine factors influencing correct Glasgow Coma Scale application.

Results

Participants had a mean age of 29.8 years (SD = 6.2). Only 52.5% of nurses demonstrated correct Glasgow Coma Scale application despite 97.0% having theoretical knowledge of scoring criteria. While 56.8% had received Glasgow Coma Scale training, significant standardisation deficiencies emerged. Notably, 41.8% of departments lacked operational guidelines, and 53.7% of nurses experienced scoring disagreements with colleagues. Clinical utilisation varied substantially by patient population: traumatic brain injury (97.8%), neurological diseases (96.9%), and systemic critical illness (85.8%). Multivariate analysis identified six significant factors influencing correct application: standardised training (OR = 2.252, 95% CI: 1.789–2.825), manageable workload ≤ 4 patients/shift (OR = 1.652, 95% CI: 1.327–2.057), departmental guidelines (OR = 1.523, 95% CI: 1.233–1.881), extensive work experience ≥ 9 years (OR = 1.534, 95% CI: 1.182–1.992), while multidisciplinary collaboration issues (OR = 0.559, 95% CI: 0.439–0.712) and special patient experience (OR = 0.520, 95% CI: 0.406–0.666) were associated with reduced accuracy.

Conclusion

Substantial standardisation challenges exist in Glasgow Coma Scale practice among Chinese emergency nurses, characterised by significant gaps between theoretical knowledge and clinical application. Major barriers include insufficient standardised guidelines, inconsistent training approaches, and inadequate interdisciplinary collaboration.

Impact

Healthcare administrators should develop national standardised guidelines, implement simulation-based training programs, optimise emergency workflows, and integrate alternative assessment tools to enhance consciousness assessment accuracy and improve patient safety.

Reporting Method

STROBE statement adherence.

Patient or Public Contribution

No patient or public contribution.

Investigating Healthcare Educators' Interprofessional Socialisation Following an Interprofessional Simulation Facilitator Training Programme: A Mixed Methods Study

ABSTRACT

Aim

Interprofessional socialisation can contribute to collaborative patient care. Although there is research regarding interprofessional socialisation of healthcare students and frontline staff, there is limited literature regarding healthcare educators in practice settings. Our aim was to examine interprofessional socialisation of healthcare educators in the practice setting following an interprofessional simulation facilitator training programme.

Design

Explanatory sequential mixed methods study.

Methods

Quantitative provincial simulation programme evaluation data from 2022 and 2023 (n = 87) were analysed and used to inform qualitative interviews (n = 17). Qualitative and quantitative data were integrated following independent analysis.

Results

There was a statistically significant increase in attitudes toward interprofessional socialisation following the simulation facilitator training programme. Qualitative findings revealed themes regarding interprofessional socialisation: (a) benefits gained through interprofessional socialisation, (b) interprofessional, uniprofessional or both, (c) facilitators to interprofessional socialisation, (d) barriers to interprofessional socialisation and (e) opportunities to strengthen interprofessional socialisation.

Conclusion

Despite positive views of interprofessional socialisation, socialisation behaviours may not be consistent in a variety of contexts. Interprofessional education may increase interprofessional socialisation among educators.

Implications for the Profession

It is important to provide interprofessional socialisation opportunities for educators to promote more interprofessional education initiatives.

Impact

The findings of this study provided insights into how to foster interprofessional socialisation in existing structures and how new pathways might be built to connect educators.

Reporting Method

This study is reported in congruence with the Journal Article Reporting Standards—Mixed Methods, Quantitative, and Qualitative Standards provided on the Equator Network.

Public Contribution

Members of the provincial simulation team were consulted regarding study design and data collection to optimise participation.

Barriers and Enablers to Pre‐Registration Nurses Providing Safe Care for Individuals Experiencing Suicidal Distress: A Scoping Review

ABSTRACT

Aims

To identify research gaps by mapping what is known about the barriers and enablers to pre-registration nursing students identifying signs of suicidal distress in healthcare consumers and providing clear pathways of support.

Design

Scoping review.

Methods

This scoping review was conducted using Arksey and O'Malley's (2005) five stage framework and the Levec et al. (2010) extensions of this framework.

Data Sources

The Cumulative Index of Nursing and Allied Health Literature (CINAHL) Complete and Ovid MEDLINE databases were searched to identify relevant articles, keywords and search terms to inform the full search strategy for CINAHL. This search strategy was then adapted for Scopus, PsychInfo, Emcare, Medline and ERIC, searched in November 2024.

Results

Studies eligible for inclusion (N = 28) represented research from 14 countries; most (53.5%, n = 15) used a quantitative design, 11 (39.3%) were qualitative and two (7.1%) used a mixed-methods design. Barriers found from the scoping review included a low level of knowledge of suicidality, stigma preventing students from assessing and acting on suicidal ideation, and a lack of confidence in providing care to healthcare consumers expressing suicidality. Enablers included lived experience, exposure to individuals expressing suicidal ideation and education, simulation and role play. This review also contributes to the existing literature about the relationship of nursing to existing suicide prevention frameworks and suggests revision of these frameworks to address staff attitudes and beliefs, as well as lived and living experience.

Conclusion

Nurses are ideally placed to assess and respond to suicidality among healthcare consumers, and preparation should begin during pre-registration studies. Our scoping review indicates that further research work is needed to address the barriers to working with healthcare consumers expressing suicidality and to enhance the enablers to provide safe care.

Implications for the Profession and/or Patient Care

Addressing the barriers and enablers to pre-registration nursing students providing safe care for healthcare consumers expressing suicidality is essential. Further research is required to address the barriers and enhance the enablers identified in this scoping review.

Impact

What problem did the study address? This scoping review summarised the literature on pre-registration student ability to work with healthcare consumers expressing suicidality, identifying barriers and enablers. What were the main findings? Barriers include poor knowledge of suicidality, stigma, fear and a lack of confidence in working with healthcare consumers expressing suicidality. Enablers include lived experience, exposure to clinical settings where healthcare consumers express suicidality and simulation and education. Where and on whom will the research have an impact? The research will have an impact on providers of pre-registration nursing degrees, where the inclusion of content addressing suicidality and exposure to settings where individuals express suicidal ideation is shown to improve attitudes and knowledge of suicidality assessment.

Reporting Method

PRISMA checklist for scoping reviews.

Patient or Public Involvement

This study did not include patient or public involvement in its design, conduct or reporting.

The Protective Efficacy of a New Soft Silicone Multi‐Layer Dressing in Reducing the Heel Pressure Ulcer Risk

ABSTRACT

Soft silicone multi-layer dressings are commonly used for pressure ulcer (pressure injury) prevention, yet their effectiveness varies based on design, construct, and material properties. This study evaluated the protective efficacy of a new multi-layer dressing, ALLEVYN COMPLETE CARE (ACC, Smith & Nephew Limited), which incorporates an advanced structure facilitating the dissipation of shear forces through internal layer-on-layer frictional sliding within the dressing. Using a combination of experimental frictional energy absorber effectiveness (FEAE) testing and computational finite element modelling, we quantified the capacity of this dressing to mitigate strain and stress concentrations in the soft tissues of the supported posterior heel. The dressing demonstrated considerable frictional sliding between its adjacent layers, resulting in FEAE = 93% under simulated, clinically relevant usage conditions. This was associated with the dissipation of shear forces and alleviation of strain/stress concentrations in the skin and underlying soft tissues below the dressing. The dressing completely eliminated the stress and strain peaks at the top quartiles of the strain/stress domain (with reference to a no-dressing case). This work provided valuable insights into advanced testing methods and beneficial design principles for pressure ulcer prevention dressings. Earlier investigations concluded that a previous-generation ALLEVYN LIFE dressing achieved high levels of FEAE and thus provided protection. Our findings here establish that the next-generation dressing, ACC, demonstrates even greater protective capacity.

International Competencies of Advanced Practice Nurses in Critical Care: An Integrative Review

ABSTRACT

Aim

This review explores the roles, competencies, and scope of practice of APNs in critical care based on international literature. It also derives implications for the development of advanced nursing roles in Austria.

Design

Integrative review.

Data Sources

The research team conducted a systematic search of PubMed, CINAHL, and Web of Science to identify relevant peer-reviewed publications from 2007 to 2023.

Review Methods

A systematic search of electronic databases was undertaken, following Whittemore and Knafl's five-step methodology. The included publications met the defined inclusion criteria and were appraised for quality using the Joanna Briggs Institute critical appraisal checklists. Relevant data were extracted and thematically analysed.

Results

The analysis of 14 international studies revealed recurring themes related to APN core competencies and scope of practice in critical care. These were structured according to Hamric's model. However, Austria faces several challenges, including limited legal frameworks, missing educational structures, and a lack of role clarity. These factors hinder the implementation of APN roles.

Conclusions

Internationally, APNs demonstrate advanced clinical skills, provide leadership in team-based care, and integrate evidence-based practice. These attributes enhance patient outcomes and system efficiency. In Austria, restrictive regulations, limited education, and unclear roles hinder these competencies. Reform is needed to align with international standards, and further research should explore their implementation in Austria.

Implications

A gap exists between internationally demonstrated APN competencies and the current state of advanced nursing practice in Austria. This highlights the need for clearer role definitions, regulatory frameworks, and educational strategies. Addressing this gap would strengthen APN roles and improve healthcare quality. This study highlights the need to bridge this disparity.

Reporting Method

This review follows the PRISMA 2020 guidelines for systematic reviews Page et al. (2021).

Patient or Public Contribution

No patient or public contribution.

Master's Degree Nurses: A Mixed‐Methods Study on Supply, Demand, and Utilisation

ABSTRACT

Aims

To assess the supply, demand, and utilisation of master's degree nurses in China's top-tier hospitals and identify recruitment and retention challenges.

Design

A convergent parallel mixed-methods design.

Methods

From January and September 2022, eight top-tier hospitals in mainland China were selected using convenience sampling. The proportion of master's degree nurses, turnover rates, and recruitment outcomes were investigated and analysed using descriptive statistics. Concurrently, seven nursing administrators from these eight hospitals were interviewed using semi-structured interviews, and transcribed data were thematically analysed through inductive content analysis.

Results

Among the eight hospitals surveyed, the average proportion of master's degree nurses was 3.58% (range: 0.58%–9.43%). The average ratio of planned to actual recruitment was 3.28, with four hospitals showing near parity (approximately 1:1) and three institutions failing to recruit any master's degree nurses. The annual turnover rate of master's degree nurses was 1.18%. Three themes emerged from the qualitative analysis: (1) shortages coexisting with oversupply; (2) nursing leaders' retention efforts versus limited institutional policy support; and (3) prioritisation of research and management over advanced clinical roles.

Conclusion

In China, even among top-tier hospitals, the proportion of master's degree nurses remains relatively low. There is an overall shortage of these nurses, juxtaposed with localised oversupply in specific institutions. Promotion to nursing supervisor or administrative roles is the only developmental pathway, while structured career progression pathways for advanced nursing practice remain conspicuously absent.

Implications for the Profession and/or Patient Care

The study highlights the need to develop targeted policies that support the career advancement of master's degree nurses, particularly by expanding career options in Advanced Practice Nurses (APNs) rather than limiting roles to nursing management or education. This shift would better leverage their clinical expertise and strengthen healthcare systems through specialised practice and innovation.

Impact

What problem did the study address?: This study maps the supply–demand dynamics of master's degree nurses in leading hospitals and identifies retention, utilisation, and motivation policies and strategies from the perspective of nursing administrators. What were the main findings?: The proportion of master's degree nurses is low in China's top hospitals. There is both an oversupply and a shortage of master's degree nurses. Neither the government nor hospitals have policies in place to encourage the clinical involvement of master's degree nurses, and their career progression is limited to managerial roles. Where and on whom will the research have an impact?: Nursing administrators and other health policy makers in China and comparable global health systems will be affected. It will also influence nursing associations, nursing educators, and general nurses.

Reporting Methods

This study adhered to the Mixed Methods Article Reporting Standards.

Patient or Public Contribution

No contributions from patients or the public were involved in this study.

Stemming the Tide: Tackling Retention and Attrition Challenges in Rural and Northern Healthcare to Sustain Canada's Nursing Workforce

ABSTRACT

Aim

This study was an investigation of the key factors influencing nurse retention and attrition focusing on the perspectives of current and former nurses within the context of the ongoing nursing shortage exacerbated by the COVID-19 pandemic.

Design

This descriptive, cross-sectional study was designed to explore the complex dynamics of nurse retention and attrition in a rural and northern academic hospital in northwestern Ontario.

Methods

An online survey was administered to current and former nurses to compare the perspectives of those with no intention of leaving the organisation, those contemplating departure within the next year, and those who had reduced their work hours in the past 5 years.

Results

Of the 288 respondents, 47% indicated no intention to leave and 17% reported having already left the organisation. The primary reasons for attrition included excessive workload demands, challenges maintaining a healthy work-life balance and dissatisfaction with management practices and organisational support. Respondents recommended improving leadership effectiveness, increasing staffing levels and implementing retention-focused initiatives to enhance job satisfaction and reduce turnover.

Conclusion

This study underscored the urgent need for strategic interventions tailored to retain nursing staff, particularly in rural and northern communities already facing significant recruitment and retention challenges. By addressing workload pressures, enhancing work-life balance, strengthening leadership and offering retention initiatives, health care organisations can improve job satisfaction and reduce attrition. System-level changes are essential to creating a sustainable and supportive environment for nursing professionals.

Impact

The findings highlight the critical need for immediate action to address the nursing crisis in rural and northern health care settings. They emphasise the importance of systemic interventions aimed at improving staffing levels, leadership practices and overall work conditions to safeguard the future of nursing in these underserved regions.

Patient or Public Contribution

No patient or public contribution.

Implications for the Profession and/or Patient Care

This research will contribute to the extant literature on the retention and attrition levels of nursing by offering a unique perspective from a rural and northern academ. The findings may help to guide hospital administrators to develop targeted strategies to enhance nurse retention rates within their organisations. By prioritising nurse satisfaction, these efforts will foster positive nurse–patient interactions and improve overall care outcomes.

Reporting Method

This study is reported according to STROBE guidelines.

Perspectives of Healthcare Professionals, Patients and Family Members on Managing Regular Medications Across the Perioperative Pathway: An Exploratory Qualitative Study

ABSTRACT

Aim

To explore healthcare professionals', patients', and family members' experiences of managing regular medications across the perioperative pathway in a specialist cancer hospital in Melbourne.

Design

An exploratory qualitative study using a descriptive-interpretive approach.

Methods

Interviews were conducted with 11 patients and seven family members, and focus groups with 10 anaesthetists, seven surgeons, four nurses, and 10 pharmacists (N = 49) between October 2024 and April 2025. Transcripts were analysed using Braun and Clarke's reflexive thematic approach and mapped into the Systems Engineering Initiative for Patient Safety (SEIPS) 2.0 human factors framework.

Results

Three interrelated themes were constructed: (1) Work system elements shaping perioperative medication management, encompassing medication and surgical contexts, documentation gaps, reliable medication information, communication infrastructures, roles and responsibilities, and perioperative area resources; (2) Processes influencing medication management practice, characterised by continuity of care at transition points and flagging processes, interdisciplinary collaboration and role interpretation in medication management, patient involvement, family member involvement, and healthcare professional perspectives; and (3) Outcomes of medication management, including patient and organisational outcomes, such as workflow inefficiencies, procedure cancellations, and unplanned readmissions.

Conclusion

Findings indicated that addressing the complexity of perioperative medication safety demands coordinated contributions across multiple professional disciplines. Strengthening interdisciplinary collaboration, clarifying shared responsibilities, embedding structured reconciliation processes at transitions of care, standardizing communication protocols, and involving patients and families are all critical strategies.

Implications for the Profession and/or Patient Care

This study highlights the need for interdisciplinary coordination and clear role definitions, with nurses as the key contributor, to support collaborative medication decisions in perioperative cancer care.

Impact

This study explored challenges in managing regular medications during cancer surgery, offering insights to guide safer practices for perioperative teams, patients, and families in cancer care settings.

Reporting Method

COREQ (Consolidated Criteria for Reporting Qualitative Research) guidelines.

Patient or Public Contribution

None.

Emotions in Nursing Care Prioritisation Decisions: A Critical Incident Debriefing Study of Missed Nursing Care

ABSTRACT

Aim

To examine the decision-making processes underlying missed nursing care.

Design

A qualitative study using Critical Incident Debriefing interviews.

Methods

Fifteen nurses from inpatient wards in a general hospital participated in semi-structured interviews following their morning shifts. Interviews focused on care prioritisation incidents leading to missed nursing care. Data were analysed using thematic analysis.

Results

Analysis revealed a central theme of emotions as crucial determinants in care prioritisation decisions. Two subthemes emerged: emotions as drivers of care prioritisation decisions and emotions as responses to these decisions. Positive emotions motivated nurses to prioritise care for specific patients, while negative emotions sometimes led to care delays. Successful care completion generated professional satisfaction, while care omissions produced complex emotional responses, including guilt, frustration and helplessness.

Conclusion

The dual emotional processes identified in this study—emotions functioning as both drivers and responses in care decisions—challenge purely structural explanations of missed nursing care. This perspective reframes nurses as emotionally engaged decision-makers who actively navigate care priorities rather than passively react to contextual constraints, offering a more comprehensive framework for understanding the complexity of clinical judgement in real-world settings.

Implications for the Profession and/or Patient Care

This study positions emotions as legitimate components of clinical decision-making rather than cognitive biases. For nursing practice, this necessitates integrating emotional awareness into professional development. For patient care, recognising emotional underpinnings may promote equitable care distribution through interventions that engage with the emotional realities of nursing work.

Impact

This study addressed limited understanding of decision-making in missed nursing care, particularly emotions' role. Findings reveal how emotions influence nurses' prioritisation decisions and wellbeing, with implications for nurses, educators and administrators seeking interventions addressing structural and emotional dimensions.

Reporting Method

This study adhered to the Standards for Reporting Qualitative Research (SRQR) guidelines (Appendix S1).

Patient or Public Contribution

No patient or public contribution.

The Relationship Between Chinese Nurses' Subjective Age and Career Satisfaction: The Mediating Role of Role Breadth Self‐Efficacy

ABSTRACT

Aim(s)

To assess career satisfaction among Chinese nurses, explore influencing factors, and examine the mediating role of role breadth self-efficacy (RBSE) in the relationship between subjective age and career satisfaction.

Design

A multi-centre, cross-sectional study.

Methods

Between June and October 2024, 2033 questionnaires were distributed to nurses across seven geographic regions in China, collecting data on demographics, subjective age, RBSE, and career satisfaction. Descriptive statistics, Pearson correlation analysis, multiple linear stepwise regression, and path analysis were used to identify determinants of career satisfaction and test the mediating effect of RBSE.

Results

The effective response rate was 97%. Chinese nurses reported moderate-to-high career satisfaction, younger subjective age relative to chronological age, and moderate RBSE levels. Multivariate linear regression analysis identified education level, work institution, salary, weekly working hours, subjective age, and RBSE as significant predictors of career satisfaction. Path analysis revealed a significant negative association between subjective age and career satisfaction (β = −0.23, p < 0.001), which was partially mediated by RBSE (indirect effect = −0.11, 95% CI: −0.18 to −0.05).

Conclusions

The career satisfaction of Chinese nurses is at a moderately high level; the influencing factors include the intensity of nursing work and salary levels. There is a certain difference between the subjective age and the chronological age of Chinese nurses. RBSE partly mediates the relationship between subjective age and career satisfaction.

Implications for the Profession and/or Patent Care

Valuing the breadth of nurses' roles, self-efficacy, and subjective age may help improve job satisfaction.

Impact

What problem did the study address?: This study elucidates the present level of career satisfaction among nurses in China and the variables affecting it. What were the main findings?: The subjective age of Chinese nurses influences career satisfaction, with RBSE partly mediating the connection between subjective age and career satisfaction. Where and on whom will the research have an impact?: This study presents novel variables of subjective age and RBSE in the investigation of factors influencing career satisfaction among Chinese nurses, offering new avenues for enhancing career satisfaction in this demographic in the future.

Reporting Method

We adhered to STROBE guidelines for cross-sectional research.

Patient or Public Contribution

This study did not include patient or public involvement in its design, conduct, or reporting.

The decision uncertainty toolkit: Risk measures and visual outputs to support decision making during public health crises

by Megan Wiggins, Marie Varughese, Ellen Rafferty, Sasha van Katwyk, Christopher McCabe, Jeff Round, Erin Kirwin

Background

During public health crises such as the COVID-19 pandemic, decision-makers relied on infectious disease models to evaluate policy options. Often, there is a high degree of uncertainty in the evidence base underpinning these models. When there is increased uncertainty, the risk of selecting a policy option that does not align with the intended policy objective also increases; we term this decision risk. Even when models adequately capture uncertainty, the tools used to communicate their outcomes, underlying uncertainty, and associated decision risk have often been insufficient. Our aim is to support infectious disease modellers and decision-makers in interpreting and communicating decision risk when evaluating multiple policy options.

Methods

We developed the Decision Uncertainty Toolkit by adapting methods from health economics and infectious disease modelling to improve the interpretation and communication of uncertainty. Specifically, we developed a quantitative measure of decision risk as well as a suite of risk visualizations. We refined the toolkit contents based on feedback from early dissemination through conferences and workshops.

Results

The Decision Uncertainty Toolkit: (i) adapts and extends existing health economics methods for characterization, estimation, and communication of uncertainty to infectious disease modelling, (ii) introduces a novel risk measure that quantitatively captures the downside risk of policy alternatives, (iii) provides visual outputs for dissemination and communication of uncertainty and decision risk, and (iv) includes instructions on how to use the toolkit, standard text descriptions and examples for each component. The use of the toolkit is demonstrated through a hypothetical example.

Conclusion

The Decision Uncertainty Toolkit improves existing methods for communicating infectious disease model results by providing additional information regarding uncertainty and decision risk associated with policy alternatives. This empowers decision-makers to consider and evaluate decision risk more effectively when making policy decisions. Improved understanding of decision risk can improve outcomes in future public health crises.

“<i>Skills for Resilience in Farming</i>”; an evidence-based, theory driven educational intervention to increase mental health literacy and help-seeking intentions among Irish farmers

by Siobhán O’Connor, Sandra M. Malone, Joseph Firnhaber, Sinéad O’Keeffe, John McNamara, Anna Donnla O’Hagan

While mental health literacy is an important component to successful help-seeking, rural populations often face gaps in both knowledge and service provision. Informed by the Theory of Planned Behaviour and Self-Efficacy Theory, we designed the ‘Skills for Resilience’ as a brief, once-off, community-based educational intervention to increase Irish farmers’ mental health literacy and help-seeking intentions. We adopted a quasi-experimental between (group: intervention and control) and within-group design (time: baseline [T1], immediately post-intervention [T2], and ≥ 1 month post-intervention [T3]). A total of 72 participants (intervention n = 37; control n = 35) were recruited from knowledge-sharing discussion groups. Although recruitment was also open to women, all discussion groups consisted of men. A trained facilitator delivered a discussion lasting between 30 and 90 minutes. Five intervention participants also participated in a qualitative interview after T3. Our results identified intervention participants’ mental health literacy increased significantly at T2 and T3 compared to T1, but did not increase between T2 and T3. Mental health literacy was also significantly greater in the intervention group compared to the control group at T2 and T3. Help-seeking intentions and self-efficacy in seeking mental healthcare also increased significantly at T2 compared to T1, but did not increase between T1 and T3 or T2 and T3. There were no significant changes in outcome measures for the control group at any time point. Through reflexive thematic analysis we identified that the intervention also addressed stigma against mental health (Theme 1) and provided important resources for participants and their community’s present and future coping (Theme 2). At T3, 100% of participants enjoyed the discussion and would recommend the intervention to other farmers. This intervention provides a successful example of integrating the Theory of Planned Behaviour and Self-Efficacy Theory to improve mental health literacy in farmers using a brief, educational intervention.

Methodological issues in visible LED therapy dermatological research and reporting

by David Robert Grimes

Background

The advent of mass-market Light Emitting Diodes (LEDs) has seen considerable interest in potential dermatological applications of LED light photobiomodulation (PBM) for a range of conditions, with a thriving market for direct-to-consumer LED treatments, including red light, blue light, and yellow light wavelengths. Evidence of efficacy is however mixed, and studies report a wide range of irradiances and wavelengths as well as outcome measures, rendering interpretation, comparison, and even efficacy evaluation prohibitive and impeding evidence synthesis.

Methods

This work establishes a model for comparing patient received doses, applying this to existent studies to ascertain potential inhomogeneity in reported doses and wavelengths employed. Patient doses were contrasted to equivalent solar exposure time needed to achieve fluences reported at specified wavelengths in the red light (RL), blue light (BL), and yellow light (YL) portion of the spectrum, yielding a comparison of reported doses to typical solar irradiance at the Earth’s surface. Methodological aspects including dose validation, blinding, and bias were also analysed.

Results

27 relevant studies for dermatological conditions including acne vulgaris (n=9, 33.3%), wrinkle-reduction (n=5, 18.5%), wound-healing (n=3, 11.1%), psoriasis severity (n=3, 11.1%), and erythemal index (n=7, 25.9%) were assessed. Outcome measures were highly heterogeneous between studies, with total patients ranging from 14 – 105 (median: 26). Fluences and wavelengths used in treatment differed over three orders of magnitude across studies even for the same conditions (0.1 J cm−2−126 J cm−2, median: 40.5 J cm−2). Derived equivalent solar time ranged from 0.01-19.35 hours (median: 3.3 hours), with central wavelengths between 405nm (BL) - 660nm (RL). No studies reported any dose validation, 10 (37.0%) were sponsored by the device manufacturer with a further 3 (11.1%) conducted by commercial dermatology practices offering the therapy under investigation. Assessors were unblinded to the treatment/ control groups in 33.3% (n=9), while a further 9 (33.3%) did not have any non-light control group, leaving only 33.3% (n=9) with both control group and blinded outcome assessment.

Conclusions

Results of this analysis suggest that fluences, wavelengths, and effective dose vary inconsistently between studies with often scant biological justification. This analysis suggests that better dose quantification and understanding of the underlying biophysics as well as plausible biological justifications for various wavelengths and fluences are imperative if LED therapy studies for dermatology are to be informative and research replicability improved.

Environment and weight class linked to skin microbiome structure of juvenile Eastern hellbenders (<i>Cryptobranchus alleganiensis alleganiensis</i>) in human care

by Andrea C. Aplasca, Peter B. Johantgen, Christopher Madden, Kilmer Soares, Randall E. Junge, Vanessa L. Hale, Mark Flint

Amphibian skin is integral to promoting normal physiological processes in the body and promotes both innate and adaptive immunity against pathogens. The amphibian skin microbiota is comprised of a complex assemblage of microbes and is shaped by internal host characteristics and external influences. Skin disease is a significant source of morbidity and mortality in amphibians, and increasing research has shown that the amphibian skin microbiota is an important component in host health. The Eastern hellbender (Cryptobranchus alleganiensis alleganiensis) is a giant salamander declining in many parts of its range, and captive-rearing programs are important to hellbender recovery efforts. Survival rates of juvenile hellbenders in captive-rearing programs are highly variable, and mortality rates are overall poorly understood. Deceased juvenile hellbenders often present with low body condition and skin abnormalities. To investigate potential links between the skin microbiota and body condition, we collected skin swab samples from 116 juvenile hellbenders and water samples from two holding tanks in a captive-rearing program. We used 16s rRNA gene sequencing to characterize the skin and water microbiota and observed significant differences in the skin microbiota by weight class and tank. The skin microbiota of hellbenders that were housed in tanks in close proximity were generally more similar than those housed physically distant. A single taxa, Parcubacteria, was differentially abundant by weight class only and observed in higher abundance in low weight hellbenders. These results suggest a specific association between this taxa and Low weight hellbenders. Additional research is needed to investigate how husbandry factors and potential pathogenic organisms, such as Parcubacteria, impact the skin microbiota of hellbenders and ultimately morbidity and mortality in the species.

Treatment and monitoring of a high-density population of bare-nosed wombats for sarcoptic mange

by Tanya N. Leary, Lyn Kaye, Olivia Chin, Kar Yee Phoon, David Phalen

Sarcoptes scabiei causes a fatal disease (mange) in bare-nosed wombats (BNWs) (Vombatus ursinus) across their range and can threaten isolated populations with extinction. Repeated dosing of moxidectin (Cydectin®) at a dosage rate of 0.5 mg/kg is effective at treating individual BNWs but is difficult to administer on a population basis where treatment success has varied. This paper documents the temporary (~20 month) eradication of mange from a semi-isolated population of BNWs using repeated dosing of Cydectin® administered by burrow flaps. Treated BNWs were marked with nontoxic paint and selected burrows were monitored with camera traps demonstrating that 64–96% of wombats in the population were treated with each dosage. Treatment success was attributed to the installation of burrow flaps on all burrows in the treated area. This treatment program shows that isolated high-density populations can be successfully treated for S. scabiei infection with repeated dosages of Cydectin® (0.5 mg/kg) and questions the need for higher dosages that have been advocated. Mange returned to the population of BNWs after 20 months possibly as the result of migration of an infected BNW from a nearby population, suggesting mange affected populations may require periodic retreatment. Monitoring of burrow entrances confirmed that burrows provide habitat used by many species of birds, reptiles, and mammals, and suggest burrows could be occasional sites of mange spillover among species. Camera trap monitoring also showed when BNWs in this population leave and return to their burrows; how many BNWs enter a burrow and explore the burrow entrances each night; and how these parameters are impacted by season and mange status; variables that are valuable to know when treating populations of BNW for mange.

A blueprint of synergistic effect in Crataegus pinnatifida and obesity-related gut microbiota against obesity via systems biology concept

by Jinghui Xie, Haofang Guan, Maohui Liu, Weijun Ding

Background

Current obesity treatments include behavioral interventions, pharmacotherapy and surgery. Recently, the combination of ‘medicinal food’ products such as the plant Crataegus pinnatifida and its interaction with the gut microbiota has shown promise as an alternative therapeutic strategy to treat obesity.

Methods

We obtained secondary metabolites (SMs) of obesity-related gut microbiota and Crataegus pinnatifida from gutMGene database and NAPSS database. bioinformatics analysis was used to elucidate key target and signaling pathways, whereas molecular docking (MD), molecular dynamics simulation and quantum chemical calculations identified crucial SMs involved in these pathways. The toxicity and physicochemical properties of these SMs were also assessed.

Results

Phosphoinositide-3-kinase regulatory subunit 1 (PIK3R1), a key mediator in the phosphoinositide 3-kinase (PI3K)/ Protein Kinase B (Akt) pathway that is crucial for regulating insulin signaling and adipogenesis, emerged as the central hub within the PPI network. Strong binders to PIK3R1 were predicted to be quercetin, kaempferol and naringenin chalcone, suggesting their potential as therapeutic agents to treat obesity.

Conclusion

The synergistic combination of Crataegus pinnatifida and the obesity-related gut microbiota holds promise as a novel therapeutic strategy for obesity by targeting PIK3R1 and modulating the PI3K/Akt signaling pathway. Further experimental validation is necessary to confirm these findings.

Bacteria isolated from the grape phyllosphere capable of degrading guaiacol, a main volatile phenol associated with smoke taint in wine

by Claudia Castro, Jacquelyn Badillo, Melissa Tumen-Velasquez, Adam M. Guss, Thomas S. Collins, Frank Harmon, Devin Coleman-Derr

Recent wildfires near vineyards in the Pacific United States have caused devastating financial losses due to smoke taint in wine. When wine grapes (Vitis vinifera) are exposed to wildfire smoke, their berries absorb volatile phenols derived from the lignin of burning plant material. Volatile phenols are released during the winemaking process giving the finished wine an unpleasant, smokey, and ashy taste known as smoke taint. Bacteria are capable of undergoing a wide variety of metabolic processes and therefore present great potential for bioremediation applications in many industries. In this study, we identify two strains of the same species that colonize the grape phyllosphere and are able to degrade guaiacol, a main volatile phenol responsible for smoke taint in wine. We identify the suite of genes that enable guaiacol degradation in Gordonia alkanivorans via RNAseq of cells growing on guaiacol as a sole carbon source. Additionally, we knockout guaA, a cytochrome P450 gene involved in the conversion of guaiacol to catechol; ΔguaA cells cannot catabolize guaiacol in vitro, providing evidence that GuaA is necessary for this process. Furthermore, we analyze the microbiome of berries and leaves exposed to smoke in the vineyard to investigate the impact of smoke on the grape microbial community. We found smoke has a significant but small effect on the microbial community, leading to an enrichment of several genera belonging to the Bacilli class. Collectively, this research shows that studying microbes and their enzymes has the potential to identify novel tools for alleviating smoke taint.

A new program for systematically enhancing cognitive reserve in healthy adults: A pilot randomized active-controlled clinical trial

by Carol Kotliar, Lisandro Olmos, Martín Koretzky, Ricardo Jauregui, Tomás Delía, Oscar Cingolani

Objective

To evaluate the effectiveness of the Mental Training Tech 24.5 (MTT24.5) cognitive stimulation program, designed to enhance cognitive performance and neuroplasticity in healthy adults.

Background

Cognitive decline is a significant concern in aging populations, with research suggesting that neuroplasticity and cognitive reserve can be enhanced through targeted cognitive training. The MTT24.5 program aims to stimulate brain function through a combination of new knowledge acquisition (DATA) and learning techniques (TECHS), organized into a systematic algorithm. This approach may offer a novel way to prevent or mitigate age-related cognitive decline.

Design

Pilot clinical study, active-controlled, open randomization.

Setting

Adults from the general population with no clinical cognitive deterioration, recruited from three sites within the Autonomous City of Buenos Aires and its metropolitan area.

Participants

120 volunteers were enrolled, of which 76 participants (56 in the intervention group, 20 in the control group) met the study requirements and selected a site closest to their residence.

Methods

The MTT24.5 program consists of 12 weekly in-person sessions (totaling 24.5 hours), during which participants learned 40 knowledge units (DATA) and 100 learning techniques (TECHS). These were organized into binomials, where each unit of DATA was paired with 3–4 TECHS. Pre- and post-intervention assessments included medical history, lifestyle factors, cognitive reserve scale, Addenbrooke’s Cognitive Examination-Revised (ACE-R), and Mini-Mental State Examination (MMSE).

Results

The mean age was 59 years for both groups. Baseline ACE-R scores were comparable (91.3). The global cognitive score increased by 4.6 points (5%) in the intervention group compared to a decrease of 0.5 points in the control group (p  Conclusions

The MTT24.5 program, based on a systematic algorithm for acquiring new knowledge and skills, significantly enhances cognitive reserve and overall cognitive performance, particularly in individuals with lower baseline cognitive scores. These findings suggest that structured cognitive stimulation could play a critical role in preventing cognitive decline and promoting cognitive health in healthy adults. Given the promising results, future studies involving larger populations and long-term follow-up are essential to validate these effects and explore the potential for mitigating age-related cognitive decline and enhancing quality of life.

Registration

The study was registered in accordance with local regulations at the National Council for Scientific and Technological Research (CONICET) – Institute of Biomedical Research (BIOMED), and also in the National Ethics Committee, and at clinicaltrials.gov (NCT06549517).

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