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Resilience of anaerobic digestion to polypropylene microplastic contamination: Kinetic and structural evidence

by Napapat Sitthikitpanya, Alissara Reungsang

The increasing occurrence of microplastics (MPs) in organic waste streams raises concerns about their impact on anaerobic digestion (AD). This study examined the effect of polypropylene MPs (PP-MPs) on methane production during AD of food waste for 150 days under batch conditions. PP-MPs were added at 10–300 mg g-1 total solids (TS), covering reported MP levels in food waste and food packaging materials and extending to worst-case scenarios. Methane yields ranged from 310.2 to 324.4 mL CH4 g-1 volatile solids (VS) across treatments versus 334.3 ± 5.2 mL CH4 g-1 VS in the control, with no significant differences (p = 0.634). Kinetic modeling confirmed no consistent inhibitory trends. FTIR and SEM analyses indicated minor surface oxidation and cracking on PP-MPs, while the polymer backbone remained intact, suggesting only superficial aging. These results provide critical assurance for waste-to-energy facilities processing plastic-contaminated organic waste streams. Although PP-MPs do not impair AD performance, their persistence and potential fragmentation pose environmental risks. These findings provide critical insight into the resilience of AD systems and emphasize the need for strategies to mitigate secondary MP formation in biogas production from contaminated waste streams.

Patient Safety Culture and Nurses' Turnover Intention: The Serial Mediating Roles of Burnout and Job Satisfaction

ABSTRACT

Aim

To investigate whether patient safety culture is associated with nurses' turnover intention and to examine correlational sequential pathways involving burnout and job satisfaction, drawing on Conservation of Resources theory.

Design

A descriptive, correlational design.

Methods

This study used data collected during 2023 from a hospital-wide patient safety culture survey conducted in four hospitals in South Korea. The sample comprised 3082 nurses from diverse units. Relationships among patient safety culture, burnout, job satisfaction, and turnover intention were examined using a mediation model within a structural equation modelling framework (WLSMV estimator with probit link), controlling for age and hospital tenure.

Results

Patient safety culture was associated with lower burnout and higher job satisfaction. Burnout was associated with lower job satisfaction and with a higher likelihood of turnover intention, whereas job satisfaction was associated with a lower likelihood of turnover intention. When burnout and job satisfaction were considered together, the association between patient safety culture and turnover intention was explained through these two factors rather than by a direct pathway.

Conclusion

Patient safety culture functions as an organizational resource that relates to reduced burnout and enhanced job satisfaction, which together relate to lower intention to leave.

Implications for the Profession

Strengthening patient safety culture—alongside efforts to reduce strain and foster positive job attitudes—may support nurse well-being and improve retention, thereby supporting continuity and safety of patient care.

Impact

This study addresses persistent nurse turnover intention in hospitals and identifies patient safety culture as an organizational lever that operates through reduced burnout and improved job satisfaction. The findings can guide nurse leaders and policymakers in hospitals to implement culture-focused strategies that support staff well-being, enhance retention, and sustain safe patient care.

Reporting Method

STROBE guidelines were followed.

Patient or Public Contribution

No patient or public contribution.

An overlooked source of skin dose perturbation: Commercial tattoo inks in radiotherapy

by Hongjun Park, Beechui Koo, Jungwook Shin, Byoung Hyuck Kim, James J. Sohn

Approximately one-third of US adults have tattoos, yet the dosimetric impact of intradermal tattoo pigments during radiation therapy remains uncharacterized. Commercial tattoo inks contain unregulated metallic impurities including chromium, lead, and nickel, raising concerns about dose perturbations in tattooed skin. This work quantifies radiation dose perturbations induced by high-atomic-number (Z) tattoo pigments under clinically relevant radiotherapy conditions. Monte Carlo simulations (TOPAS) modeled layered skin phantoms with a 0.3-mm intradermal tattoo layer embedded at 1.25–1.55 mm depth. Three commercial inks were evaluated: carbon-based (black) and metal-containing (Fe-rich brown, Al-containing orange) at pigment loadings of 5–100 vol% within the tattoo layer, to establish upper-bound effects. Electron (6, 18 MeV) and photon (6, 18 MV) beams were simulated with standard clinical geometry (1 × 1 cm² field, SSD = 100 cm). Photon irradiation produced pronounced, depth-localized dose enhancement, with peak dose enhancement factor (DEF) reaching 2.5 for brown ink at 18 MV, a 62% mean increase relative to non-tattooed skin driven by high-Z–mediated secondary electron production. Electron beams exhibited energy-dependent behavior: 6 MeV produced modest enhancement (peak DEF ~ 1.07), while 18 MeV unexpectedly generated dose deficits (DEF 

Public Health Nurses' Experiences of Child Maltreatment Preventive Work in Primary Healthcare: A Qualitative Metasynthesis

ABSTRACT

Aim

To explore public health nurses' experiences of child maltreatment preventive work in primary healthcare.

Design

The metasynthesis approach was based on the guidelines by Sandelowski and Barroso for synthesising qualitative research.

Methods

The quality of the included studies was appraised using Joanna Briggs Institute Checklist for Qualitative Research. The analysis followed Braun and Clarke's reflexive thematic analysis.

Data Sources

Searches were conducted in five electronic databases: Cinahl, Medline, PsychINFO, Web of Science and SocINDEX in May and July 2024, and updated in April and December 2025.

Results

Thirteen qualitative studies were included, and five themes were developed: Insufficient knowledge about when and how to act, building a therapeutic relationship with parents, keeping the child's best interest in focus, in need of better interdisciplinary support and ambivalence in addressing child maltreatment.

Conclusion

Public health nurses face challenges in child maltreatment preventive work, including insufficient knowledge and limited interdisciplinary support. Even so, public health nurses demonstrate a strong commitment to children's safety and well-being and to building relations with families.

Implications for the Profession

The findings suggest an increased focus on strengthening public health nurses' knowledge of child maltreatment and improved interdisciplinary collaboration.

Impact

The findings are of interest to healthcare professionals and health authorities to improve child maltreatment preventive work in primary healthcare.

Reporting Method

This review adhered to relevant EQUATOR guidelines.

Patient or Public Contribution

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

Trial and Protocol Registration

PROSPERO registration number: CRD42025637855.

Hepatitis E virus exposure and risk factors among ethnic minority populations in Northern Vietnam

by Vu Nhi Ha, Le Chi Cao, Tran Hai Dang, Dao Thi Huyen, Nguyen Tien Dung, Le Huu Song, Nguyen Linh Toan, Truong Nhat My, Thirumalaisamy P. Velavan

Background

Hepatitis E virus (HEV) causes sporadic outbreaks worldwide, with zoonotic and waterborne genotypes contributing to infections. In Vietnam, HEV genotypes 3 and 4 circulate among humans and swine, but data from remote, ethnic minority populations remain limited.

Methods

A cross-sectional study was conducted among 272 ethnic minority students at Thai Nguyen University of Medicine and Pharmacy (TUMP) to determine HEV infection markers and associated risk factors. Anti-HEV IgM and IgG were tested in serum samples using Wantai ELISA kits, and HEV RNA was detected by nested PCR targeting the ORF1 region. Demographic and exposure data were collected via structured questionnaires. Statistical analyses were performed using binary logistic regression.

Results

One participant (0.37%) tested positive for anti-HEV IgM, and 69 (25%) were positive for anti-HEV IgG, while HEV RNA was undetectable. HEV-IgG seroprevalence increased significantly with age (p = 0.004) but showed no sex-related differences. Consumption of tap or mixed water sources (p = 0.043) and raw or undercooked pork liver (p = 0.018) were significantly associated with HEV-IgG positivity. Multivariate analysis confirmed these factors as independent predictors of prior HEV exposure (adjusted OR = 1.6 and 4.8, respectively).

Conclusions

A moderate HEV seroprevalence among ethnic minorities indicates substantial prior exposure in northern Vietnam. Strengthening water sanitation, food safety awareness, and routine HEV surveillance is recommended to mitigate infection risk in vulnerable communities.

Priorities for the development of a new rapid diagnostic test for patients with fever: a cross-sectional online survey among hospital physicians across Europe

Por: Bonnet · G. · Nielsen · M. J. · Foss · A. M. · Lewin · A. · Nijman · R. G. · Fitchett · E. · Carrol · E. · Yeung · S. · the DIAMONDS consortium · Bonnet · Nielsen · Foss · Lewin · Nijman · Fitchett · Carrol · Yeung
Objective

This study aimed to understand hospital doctors’ priorities (target use cases and aetiologies) for the development of a new rapid diagnostic test for patients with fever.

Design

A cross-sectional online survey.

Setting

Europe-wide.

Participants

Secondary and tertiary care doctors involved in patient assessment and diagnosis across Europe.

Intervention

Online survey from April to September 2024.

Main outcome measures

Importance of developing a new test on a scale of 1–10 for up to 19 ‘use cases’ (types of febrile presentations in specific demographic groups): use case scores and ranks and differences across subgroups of respondents, with free text to capture additional suggestions; respondents’ preferences (multiple choice) regarding which aetiologies should be included in a new test.

Results

265 respondents from 30 European countries (out of 270 starting the survey) were included in the analysis. Top priorities included febrile immunocompromised patients and fever without a focus for both paediatric and adult use cases, and 1–3 months old febrile infants. Rankings were similar across clinician subgroups despite some differences in average scores. 92% (243/263), 95% CI 89% to 95%, of respondents would find a ‘generic’ test for bacterial aetiology useful, even if it does not differentiate between Gram-positive and Gram-negative aetiologies. 54% (63/116), 95% CI 45% to 63%, of respondents would find a ‘generic’ test for inflammatory aetiology useful when seeking to diagnose children for whom Kawasaki’s disease (KD) is on the differential, even in the absence of any KD-specific test, 83% (96/116), 95% CI 75% to 89%, would find such a ‘generic’ test useful if they could use it alongside a KD test when desired.

Conclusion

Clinicians prioritise the most vulnerable patients (because of age or comorbidities) and unclear presentations (fever without a focus) for the development of a new fever diagnostic test. Even relatively simple (eg, bacterial, inflammatory) tests could provide added value to most clinicians.

Experiences of internet addiction among junior college students in Taiwan: a qualitative descriptive phenomenological study

Por: Huang · I.-L. · Li · J.-B. · Chung · M.-h.
Objectives

This study explored the lived experiences of internet addiction among Taiwanese junior college students. Specifically, it examined their perceptions of addiction, experiences of excessive use and attempts to manage their online behaviours.

Design

A descriptive phenomenological approach involving one-on-one, semi-structured, in-depth interviews was employed. Data analysis was conducted using Giorgi’s phenomenological method assisted by NVivo V.12.

Setting

The interviewees were from a junior college with two campuses in northern Taiwan.

Participants

Purposive and snowball sampling of 15 junior college students. All participants met the criteria for internet addiction using the Chen Internet Addiction Scale.

Results

Three main themes and eight subthemes were identified: continuous provocation (childhood exposure and unexpected pandemic), continuous promotion (irresistible immersion and compensatory self-isolation) and continuous resistance (varied self-awareness, dilemmas, perceived insignificance and futility). This study also explored how junior college students with internet addiction repeatedly struggle to resist a seamless virtual world.

Conclusions

From the perspective of adolescents with internet addiction, early exposure to the internet, the boost of the pandemic, the growing demand, and negative beliefs and attitudes all contribute to the inability to overcome internet addiction. These findings offer valuable insights into the underlying mechanisms of internet addiction, providing mental health professionals with a deeper understanding and establishing a foundation for the development of future intervention strategies.

Lobeglitazone and the risk of renal progression in Korean patients with type 2 diabetes mellitus: a retrospective cohort study

Por: Hong · S.-h. · Lee · H. · Lee · S.-y. · Sung · Y.-A. · Hong · Y. S. · Song · D. K. · Jung · H. · Kim · M.-h.
Objective

To evaluate the effect of lobeglitazone on renal disease progression in patients with type 2 diabetes mellitus using longitudinal real-world data.

Design

Retrospective cohort study.

Setting

Hospital-based Common Data Model database.

Participants

A total of 14 712 adults with type 2 diabetes mellitus who visited the Diabetes Center of Ewha Womans University Mokdong Hospital between 2013 and 2019 were identified. A 1:2 propensity score matching was performed to compare patients treated with lobeglitazone plus metformin with those receiving metformin monotherapy, sulfonylurea plus metformin, or a dipeptidyl peptidase-4 (DPP4) inhibitor plus metformin.

Interventions

Treatment with lobeglitazone plus metformin compared with metformin monotherapy, sulfonylurea plus metformin or DPP4 inhibitor plus metformin.

Primary outcome measures

Renal progression, defined as initiation of renal replacement therapy, a sustained ≥30% decline in estimated glomerular filtration rate (eGFR) from baseline, or doubling of serum creatinine with a concurrent eGFR ≤45 mL/min/1.73 m².

Results

The HR of renal progression was 0.84 (95% CI 0.58 to 1.21) in the lobeglitazone plus metformin compared with metformin monotherapy, 1.00 (95% CI 0.79 to 1.27) compared with sulfonylurea plus metformin group, 1.10 (95% CI 0.84 to 1.44) compared with DPP4 inhibitor plus metformin group after adjusting for multiple variables. Subgroup analyses demonstrated significant interactions by sex in the comparison with metformin monotherapy (P for interaction=0.0179) and by glycaemic control in the comparisons with sulfonylurea plus metformin (P for interaction=0.0161) and DPP4 inhibitor plus metformin (P for interaction=0.0006), suggesting potential heterogeneity in treatment effects.

Conclusions

Lobeglitazone showed renal outcomes comparable to those of other antidiabetic medications, with a possible heterogeneity in treatment effects according to sex and glycaemic control.

Autism outcomes and neurobehavioural markers in young children born to mothers with HIV in Kenya: a protocol for the Alama project

Por: Oyungu · E. · Keehn · B. · McHenry · M. S. · Monahan · P. O. · Joseph · R. M. · Yoon · S.-Y. · Carlucci · J. G. · Saina · C. · Khaitan · A. · Baliddawa · J. · McNally Keehn · R.
Introduction

The over 14 million African children who are HIV-exposed but uninfected (CHEU) are at risk for poor health outcomes, including neurodevelopmental conditions such as autism; however, no study to date has examined autism in CHEU in Africa, where the vast majority of these children live. Scalable diagnostic and neurobehavioural tools, including powerful, low-cost approaches such as eye-tracking, for detection and study of mechanistic neural processes are necessary to advance autism research in these settings. The objective of this study is to examine autism diagnostic outcomes and eye-tracking biomarkers in relation to CHEU while at the same time building capacity for neuro-health research in Kenya.

Methods and analysis

This study will leverage a longitudinally assessed cohort of CHEU and children who are HIV-unexposed and uninfected (CHUU) with well characterised HIV-related and contextual exposures. We will first determine and compare autism diagnostic outcomes between young CHEU and CHUU across a large cohort (n=850) of Kenyan children using research-grade autism assessment tools, and, second, determine whether neurobehavioural eye-tracking markers predict autism outcomes across this cohort.

Ethics and dissemination

Human subjects approvals have been obtained from Moi University Institutional Review and Ethics Committee (IREC; IREC/909/2024; Approval #0004835), Kenya’s National Commission for Science, Technology and Innovation (NACOSTI; Reference #NACOSTI/P/25/415028), the Institutional Review Board of the Indiana University School of Medicine (Protocol #23171), with reliance agreements executed with Purdue University and Boston University. Dissemination of findings will occur through multiple channels within the research and clinical community, including peer-reviewed journal publications and conference abstracts and presentations. As part of capacity building efforts, the research team will also communicate study results to policy makers, the lay public and other health systems involved in the care of young children with disabilities via study-hosted workshops and conferences.

PRECISION study: impact of personalised cardiac anaesthesia and cerebral autoregulation on neurological outcomes in patients undergoing cardiac surgery - protocol for an international, multicentre, prospective cohort study

Por: Gomes · N. V. · Edgar-Whelan · H. · Beqiri · E. · Young · J. · Schindler · C. · Gregor · M. · Erb · J. M. · Siegemund · M. · Kuhle · J. · Maleska Maceski · A. · Needham · E. · Cichon · S. · Burger · B. · Monsch · A. U. · Hasemann · W. · Wüest · A. · Fassl · J. · Kaiser · H. A. · Hight · D
Introduction

Adverse neurological complications, including postoperative delirium (POD) and stroke, remain one of the major risks after cardiac surgery. A lack of comprehensive knowledge about their causes and neuroprotective strategies has hindered the development of effective interventions to reduce these events. Personalised cerebral autoregulation (CA)-oriented blood pressure monitoring aims to identify blood pressure targets tailored to each individual patient, thereby reducing brain injury. The PRECISION study aims to assess whether perioperative duration and magnitude of mean arterial pressure (MAP) deviation from an individual’s CA limits are associated with adverse neurological complications.

Methods and analysis

This international, multicentre, prospective cohort study is conducted at two Swiss and one British hospital. Patients aged 65 years or older undergoing elective primary or re-operative coronary artery bypass graft and/or valvular and/or ascending aorta surgery requiring cardiopulmonary bypass are included. Preoperatively, the patient’s baseline of physical, cognitive and mental status is established. Intraoperatively, near-infrared spectroscopy (NIRS) and transcranial Doppler (TCD) are recorded in real-time to generate NIRS-derived and TCD-derived CA indices. The primary endpoint is POD, assessed daily on postoperative days 0 to 7 or up to discharge, whichever occurs earlier with the 3D-Confusion Assessment Method (3D-CAM) or CAM-Intensive Care Unit. Secondary endpoints include a composite neurological outcome of POD and overt stroke, postoperative neurocognitive disorders, major morbidity and mortality. Associations between neurologic outcomes, neurobiomarkers and genetic variation will be explored.

A total of 500 participants is required to achieve 90% power to find a statistically significant effect of the area under the curve MAP

Ethics and dissemination

Ethical approval has been obtained from all responsible ethics committees (Swiss lead ethics committee EKNZ 2022-01457 and Health Research Authority and Health and Care Research Wales, UK, REC 23/SW/0076). Results will be disseminated at national and international conferences and published in peer-reviewed journals.

Trial registration number

NCT05595954.

Sustaining Dignity at Life's End: A Meta‐Ethnographic Study of Nurses' Insights

ABSTRACT

Aim

To systematically synthesise nurses' perspectives on dignified death, providing a culturally informed and comprehensive understanding.

Design

Meta-ethnography.

Methods

This study was conducted using Noblit and Hare's approach, which included reciprocal translation, refutational synthesis, and line-of-argument synthesis. Methodological rigour and credibility were evaluated using the Critical Appraisal Skills Program (CASP) checklist. The review included peer-reviewed qualitative studies published in English or Korean that focused on nurses' or nursing students' views on dignified death in end-of-life care.

Data Sources

A systematic search was conducted in MEDLINE, EMBASE, CINAHL, and the Web of Science in August 2023, with an updated search in August 2024. Seventeen qualitative studies published between 2010 and 2024 met the inclusion criteria.

Results

Four interconnected themes emerged: A death that embraces humanity, a death that preserves personal identity, a death that facilitates connection and reconciliation, and a death that affirms acceptance and spiritual serenity. These themes, including eight sub-themes, highlight cultural influences shaping nurses' approaches to dignified death.

Conclusion

The findings emphasise the influence of cultural context in shaping end-of-life care and support the development of culturally sensitive nursing education and guidelines to enhance care quality.

Implications for the Profession and Patient Care

This research provides culturally grounded strategies to improve end-of-life care and strengthen nurses' competencies in delivering holistic support.

Impact

This study highlights cultural variations in nurses' approaches to balancing autonomy, family expectations, and spiritual needs, offering practical insights for holistic, patient-centred, and culturally sensitive care.

Reporting Method

This review complies with the Equator and improving reporting of meta-ethnography (eMERGe) guidelines.

Patient or Public Contribution

No patient or public contribution.

Dyadic and Triadic Interviewing Techniques in Qualitative Research: Theoretical Underpinnings and Methodical Considerations

ABSTRACT

Aim

To discuss the dyadic and triadic interviewing techniques as distinct approaches to data collection in qualitative research.

Design

Methodological/methodical discussion.

Findings

Underpinned by a layered theoretical basis involving interpretivism, social constructivism and symbolic interactionism, dyadic and triadic interviewing approaches represent a tapestry that seeks to illuminate not only what participants think at the individual level, but also how they think together to generate shared, nuanced meanings. Key methodical considerations include participant recruitment and selection to form the dyads or triads, ethical issues, navigating power dynamics, determining saturation at the dyad or triad level and shifting the unit of analysis from the individual level to the dyad or triad level. Notable challenges to using these approaches include logistical complexity, ethical risks and the great need for skilled moderation.

Conclusion

Dyadic and triadic interviewing techniques occupy a vital methodological niche in qualitative studies, particularly within the contexts of health and social care research where relational dynamics and collaborative decision-making are central. By foregrounding co-constructed narratives and real-time interactions, dyadic and triadic interviewing techniques illuminate the interplay of individual agency, power asymmetries and cultural norms, offering insights that transcend the limitations of individual interviews or focus groups.

Implication for the Profession and Patient Care

The increasing complexity of care, treatment pathways, recovery and family-centered decision making warrants engagement beyond individual interviews. Dyadic and triadic interview techniques facilitate this by combining the in-depth benefit of individual interviews and shared interpretations of focus group discussions to capture meanings and experiences.

Impact

This methodological/methodical discussion offers clarity to employing dyadic or triadic interviewing approaches to improve their uptake in health and social care research.

Reporting Method

Not applicable.

Patient and Public Contribution

No patient or public contribution.

Unlocking the Adoption of a Smartphone Application for High‐Risk Pregnant Women in the Lao People's Democratic Republic: A Mixed‐Methods Study

ABSTRACT

Aims

This study aimed to investigate factors influencing the acceptance of smartphone applications among high-risk pregnant women in the Lao People's Democratic Republic to support continuous care.

Design

An explanatory sequential mixed-methods design.

Methods

The quantitative phase included 167 high-risk pregnant women recruited from four tertiary hospitals in Vientiane, Lao PDR. Validated questionnaires were used to measure demographics, digital technology usage, eHealth literacy and anxiety. Data were analysed using descriptive statistics and multiple regression analysis. In the qualitative phase, in-depth interviews with 20 women were conducted to further explore experiences, perceptions and barriers related to smartphone application usage. Interviews were analysed via direct content analysis.

Results

Quantitative findings indicated that smartphone application acceptance was significantly predicted by eHealth literacy (B = 1.53, 95% CI 1.22–1.84, p < 0.001) and pre-existing non-communicable diseases (B = 4.39, 95% CI 1.05–7.73, p = 0.010). Anxiety negatively impacted acceptance (B = −0.28, 95% CI −0.51 to −0.05, p = 0.019). The model explained 53.9% of the variance in smartphone application acceptance (R 2 = 0.539). Qualitative findings highlighted four key themes: awareness of pregnancy risks, unclear health information, perceived benefits of smartphone applications including accessibility and emotional reassurance and practical barriers such as internet costs and limited digital literacy.

Conclusion

Positive perceptions of smartphone applications regarding accessibility and reassurance were observed, alongside significant barriers, such as limited digital literacy and internet costs. Addressing these factors may enhance the adoption and effective utilisation of digital health technologies among high-risk pregnant populations.

Patient or Public Contribution

No patient or public contribution.

Exploring the Impact of Authentic Leadership on Nurses' Organisational Citizenship Behaviour: Organisational Silence as a Mediator

ABSTRACT

Aim

To investigate the relationship between nurse managers' authentic leadership and staff nurses' organisational citizenship behaviour and to explore the mediating roles of different types of organisational silence in the relationship.

Design

A cross-sectional, correlational, descriptive design.

Methods

Survey data from 216 nurses across five hospitals in South Korea were utilised. We used structural equation modelling to examine the relationships between authentic leadership, organisational silence and organisational citizenship behaviour.

Results

Authentic leadership was positively associated with organisational citizenship behaviour and prosocial silence and was negatively associated with acquiescent and defensive silence. Acquiescent silence negatively impacted organisational citizenship behaviour, whereas prosocial silence had a positive effect. Defensive silence showed no significant relationship with organisational citizenship behaviour. Authentic leadership's indirect effects on organisational citizenship behaviour were mediated by acquiescent and prosocial silence.

Conclusion

Nurse managers' authentic leadership enhances organisational citizenship behaviour by reducing acquiescent and defensive silence and fostering prosocial silence. Although prosocial silence promotes harmony and collaboration, nurse managers must also encourage open communication to maintain a positive and professional organisational culture.

Implications for the Profession and/or Patient Care

Developing authentic leadership in nurse managers can improve nurses' organisational citizenship behaviour by addressing organisational silence, thereby creating a supportive and efficient healthcare environment that benefits staff as well as patients.

Patient or Public Contribution

No patient or public contribution.

Impact

Authentic leaders serve as positive role models who can improve employees' organisational citizenship behaviour by reducing negative forms of organisational silence. However, the mediating effect of organisational silence on the relationship between authentic leadership and organisational citizenship behaviour may vary depending on the type of silence, as different types are induced by distinct underlying motivations. Understanding these dynamics can inform strategies to improve nurses' workplace interactions and patient care outcomes.

Reporting Method

Strengthening the Reporting of Observational Studies in Epidemiology guidelines.

Function‐Focused Care Efficacy in Long‐Term Care: A Concept Analysis Using the Hybrid Model

ABSTRACT

Aim

This study aimed to conceptualise ‘function-focused care efficacy’ for direct care workers in long-term care facilities by identifying the domains and attributes of this concept using a hybrid model.

Design

A hybrid model concept analysis was employed in three stages: theoretical, fieldwork and final analysis.

Methods

Data were collected in South Korea from December 9 to December 20, 2024, through literature reviews and interviews with long-term care professionals and gerontological experts. The study comprised in-depth interviews with five participants from long-term care facilities. Data were analysed utilising content analysis.

Results

The final conceptualisation identified six domains and 13 attributes across three dimensions: plan, action and evaluation. The plan dimension encompassed personalised care (identifying residual function and designing tailored care plans) and collaborative care (communication among staff, multi-team approach and cooperation with family). The action dimension covered daily care (supporting daily activities and integrated care), motivational care (encouraging and praising) and ethical care (positive attitude and respect). The evaluation dimension focused on function evaluation (observing and documenting functional changes).

Conclusion

This study conceptualises function-focused care efficacy as the belief that direct care workers can effectively plan personalised and collaborative care, motivate older adults to maintain independence, provide integrated care in daily activities, deliver ethical care with respect and positive attitudes and assess functional changes. These findings can inform a measurement instrument and training programmes to enhance care workers' efficacy in function-focused care.

Implications for the Profession and/or Patient Care

Enhancing function-focused care efficacy can potentially improve the quality of care provided to older adults, promoting their independence and well-being.

Impact

The study aimed to conceptualise function-focused care efficacy among LTCF direct care workers. It identified six domains and 13 attributes across planning, action and evaluation dimensions. This framework can guide the development of efficacy measurement tools.

Reporting Method

N/A.

Patient or Public Contribution

No patient or public contribution.

Feasibility and Acceptability of the Smarthealth Intervention for Dementia Caregivers. A Qualitative Analysis of a Single‐Group Pilot Study

ABSTRACT

Aim(s)

To explore the feasibility and acceptability of acoustic monitoring and real-time recommendations for stress detection and management (i.e., smarthealth intervention).

Design

This qualitative study used a framework of acceptability for healthcare interventions.

Methods

From January 2021 to December 2023 in the U.S.A., we interviewed 10 family caregivers who had completed the 4-month smarthealth intervention. The caregivers shared their user experiences and feedback on the system's feasibility and acceptability. Data were analysed using abductive thematic analysis, incorporating the framework of acceptability for healthcare interventions and the collected data.

Results

Seven themes and 19 categories emerged: attitudes, burden, ethicality, intervention adherence, intervention coherence, perceived effectiveness and suggestions. Feedback on the smarthealth intervention was mixed. Some found it beneficial, citing accuracy, ease of use and increased awareness. However, others felt burdened during its use, primarily due to time constraints.

Conclusion

The smarthealth intervention can potentially improve caregivers' awareness of themselves and caregiving situations.

Implications for the Profession and/or Patient Care

Future directions should involve adapting the smarthealth intervention to consider diverse caregiving scenarios and incorporating a larger sample of caregivers.

Impact

This is the first study to offer a voice detection system and real-time stress management recommendations to caregivers of people living with dementia. An individualised approach should be considered to improve the system's effectiveness. This includes providing personalised intervention components, considering caregivers' time and establishing a user-friendly system with high accessibility. The findings can be a cornerstone for smarthealth interventions influencing dementia caregivers' self-care and emotional regulation.

Reporting Method

Standards for Reporting Qualitative Research.

Patient or Public Contribution

Members of the public and service users from a memory clinic and social media platforms contributed to the study by reviewing recruitment materials.

Trial Registration: This trial's study protocol was registered with ClinicalTrials.gov (ID No. NCT04536701) on 3 September 2020 (https://classic.clinicaltrials.gov/ct2/show/NCT04536701)

Mealtime Support by Direct Care Workers in Long‐Term Care Facilities: Secondary Behavioural Analysis of Videos

ABSTRACT

Aim

This study aimed to address two objectives: (1) To analyse the meal support behaviours of direct care workers in long-term care facilities in South Korea and (2) to explore associations between mealtime support behaviours and caregiver characteristics.

Design

Secondary analysis of behavioural coding of cross-sectional video recordings.

Methods

Positive and negative staff behaviours at mealtimes were coded using the Mealtime Engagement Scale and Cue Utilization and Engagement in Dementia tool, respectively. Statistical analyses, including t-tests and analysis of variance, were used to examine differences in mealtime support behaviours based on caregiver characteristics.

Results

The average mealtime duration of residents was 19.03 ± 5.30 min. Positive meal support behaviours accounted for 91.1% of the observed interactions, whereas negative interactions accounted for 8.9%. The most frequent positive behaviour observed was ‘providing one-on-one assistance’, whereas the most frequent negative behaviour was ‘leaving the resident alone’. Positive meal support behaviours were observed at significant higher frequencies among caregivers working during day shifts than those working during rotating shifts. Additionally, positive behaviours were associated with a higher carer-resident ratio.

Conclusion

Positive mealtime support behaviours were frequently observed but were concentrated in a few specific actions. Negative behaviours, such as leaving the resident alone, were still observed in a considerable portion of mealtime interactions. Training programmes focusing on diverse positive mealtime support behaviours should be developed to improve the quality of dementia care in long-term care facilities.

Implications for the Profession and/or Patient Care

The findings emphasise the need for targeted training programmes to improve mealtime support and overall care quality in long-term care facilities. This approach signals a transformative shift in caregiver training, fostering more personalised and effective care for older adults with dementia.

Impact

This study quantified positive and negative mealtime support behaviours. These findings contribute to understanding caregiver behaviours during mealtimes in dementia care, offering evidence-based insights for developing targeted training programmes and improving quality of care in long-term care facilities.

Reporting Method

We adhered to the STROBE (Strengthening the Reporting of Observational Studies in Epidemiology) guidelines.

Patient or Public Contribution

No patient or public contribution.

A Conceptual Analysis of Psychological Burnout Among Nurses Providing Terminal Care

ABSTRACT

Aim

To analyse the concept of psychological burnout among nurses in the context of terminal care.

Design

Concept analysis.

Methods

The study was conducted according to the eightstep conceptual analysis procedure suggested by Walker and Avant.

Data Sources

Articles published in English or Korean between January 2014 and 2024 were reviewed in March 2024. A total of eight search engines were used for the literature review, including PubMed, Cumulative Index of Nursing and Allied Health Literature (CINAHL) and PsycINFO. A total of 19 articles were finally selected for the analysis based on criteria.

Results

The attributes of psychological burnout among nurses providing terminal care are depletion of energy, emotional numbness, disengagement, sense of powerlessness and emotional repression. Seven antecedents and six consequences of the concept were identified in this study.

Conclusion

The result of this study provides a foundation for the development of tailored interventions and further research related to the occurrence of psychological burnout among nurses providing terminal care. Additionally, considering the characteristics of terminal care, we suggest additional studies to confirm the attributes of burnout in this context across various cultural and religious backgrounds.

Implication for the Profession and/or Patient Care

This study helps clarify the concept of psychological burnout among nurses in terminal care and informs the development of various interventions, educational programmes and related policies.

Patient or Public Contribution

No patients or public contribution.

Effects of Psychosocial Interventions on Loneliness Amongst Long‐Term Care Residents: A Systematic Review and Meta‐Analysis

ABSTRACT

Background

Loneliness significantly affects the physical and mental health of older adults, particularly those in long-term care settings. Despite the high prevalence of loneliness, comprehensive reviews on psychosocial interventions targeting loneliness in these populations are scarce.

Aims

To evaluate the effects of psychosocial interventions in reducing loneliness among long-term care residents.

Study Design

A systematic review and meta-analysis.

Methods

We conducted a comprehensive search across five databases—CINAHL, EMBASE, PubMed/Medline, PsychINFO and The Cochrane Library—from inception to 14 February 2025. The inclusion criteria encompassed randomised controlled trials, quasi-experimental studies and pilot studies published in English that assessed psychosocial interventions for loneliness amongst long-term care residents. The Effective Public Health Practice Project framework was utilised for the quality assessment.

Results

A total of 19 studies with 1646 participants were included. Results indicated that psychosocial interventions significantly reduced loneliness in long-term care residents. The interventions were categorised into lifestyle and leisure activities, psychological interventions, social support interventions and animal/robot-assisted interventions. Subgroup analyses revealed significant effects for lifestyle and leisure activities, group-based interventions, face-to-face delivery and interventions that less than 8 weeks.

Conclusion

Psychosocial interventions demonstrated a large effect size in reducing loneliness amongst long-term care residents. Interventions that incorporated lifestyle and leisure activities with a physical activity component, delivered face-to-face in group settings and lasted for less than 8 weeks may be particularly effective.

Implication of Practice

This review provides updated evidence that psychosocial interventions could improve loneliness amongst residents in long-term care settings. Consequently, it offers solid information to inform policy changes and intervention strategies.

Reporting Method

The researching results were reported in accordance with the Preferred Reporting Items for Systematic Review and Meta-analysis checklist.

No Patient or Publication Contribution

This study is a systematic review with meta-analysis, and such details do not apply to our work.

Trial Registration: This protocol was registered in the PROSPERO database (ID: CRD42024534009)

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