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Exercise-focused wellness interventions for middle-aged adults: a scoping review

Por: Park · J. · Lee · H. · Lee · S. · Kim · Y.
Objectives

Middle-aged adults face multifaceted physical and psychosocial challenges that impact their overall wellness. Exercise has become a key component of wellness interventions due to its positive impacts on physical and psychosocial health. However, the understanding of exercise-focused wellness interventions for this age group remains limited. Therefore, this scoping review aimed to identify and map the existing literature on exercise-focused wellness interventions for middle-aged adults and to summarise their characteristics and reported outcomes.

Design

Scoping review.

Data sources

Six databases, including PubMed, EMBASE, CINAHL, Cochrane Library, Web of Science and PsycInfo, were initially searched on 29 July 2024, and the search was updated on 12 October 2025, with no restrictions on publication date. The reference lists of articles selected in the database search were also screened for further relevant studies.

Eligibility criteria

We included interventional studies, specifically randomised controlled trials (RCTs) and quasi-experimental designs, that examined exercise-focused wellness interventions for middle-aged adults.

Data extraction and synthesis

Two independent reviewers extracted data on study characteristics and intervention details and outcomes, and assessed the risk of bias. Any discrepancies were resolved by a third reviewer.

Results

A total of 15 studies were included in the review, of which 9 were RCTs and 6 were quasi-experimental studies. Most interventions targeted middle-aged women and were implemented in community settings. Exercise was often combined with diet and stress management. The majority of the interventions lasted for 3 months with weekly sessions. Additionally, various delivery modes were employed, including face-to-face, online, individual and group-based approaches. Outcome variables were categorised into exercise and physical activity, dietary intake, anthropometry and body composition, cardiovascular health, biochemical markers, menopausal symptoms, psychosocial health and wellness. Only one study assessed wellness as an outcome of the intervention. Across the included studies, improvements were commonly reported for physical and psychosocial health, whereas changes in biochemical markers were limited.

Conclusions

Exercise-focused wellness interventions for middle-aged adults encompass varied content and outcome variables, contributing to improvements in physical, psychological and social dimensions of health. Delivery modes are diverse, demonstrating flexibility and adaptability for tailored interventions. There is a need to develop a validated, midlife-specific measurement tool that reflects the multidimensional nature of wellness. Moreover, exercise-focused interventions tailored for middle-aged men, particularly in workplace settings, should be developed.

Cohort study of older adults receiving home-based primary care in South Korea: cohort profile

Por: Lee · J. · Choi · B. · Shin · Y. · Choi · E. · Choi · J. · Kim · C.-O. · Jang · S.-n.
Purpose

The home-based primary care cohort was set up to identify the characteristics of Home-Based Primary Care (HBPC) users across three domains: health-related information, utility of healthcare service and care-related information.

Participants

A total of 407 patients enrolled in five HBPC centres were recruited between January 2023 and March 2024. The baseline survey was conducted among 332 participants who provided informed consent for both study participation and home visits. The second wave of data collection is scheduled to take place 6 months after enrolment, while the third wave will be conducted 12 months post-enrolment. During each home visit, trained interviewers administered structured survey questionnaires. On completion of the 12-month follow-up period, the dataset will include survey data, intervention records from the five participating HBPC centres, home mortality status and institutionalisation risk linked to each participant.

Findings to date

This study examines HBPC in Korea, integrating the Widely Integrated Services in Home model with the long-term care insurance system. Among participants, 30.1% lived alone, and 74.1% were homebound, showing similarities to findings from a US HBPC study. Analysing cohort data, this study evaluates the impact of HBPC on healthcare utilisation, aligning with international findings on reduced hospitalisations and costs. As the first HBPC effectiveness study in Korea, it highlights its role in enhancing care for homebound older adults and shaping national health policies.

Future plans

Data on the number of interventions by profession, institutionalisation and hospitalisation status and duration, and death at home occurrence are being separately collected from five HBPC centres and will be included in the analysis. The analysis will examine associations between these variables to identify risk factors influencing institutionalisation. Additionally, this study plans to link the dataset with the National Health Insurance Service-Senior (NHIS-Senior) customised cohort for further analysis.

Pharmacokinetic profiles of Moutan Cortex after single and repeated administration in a dinitrobenzene sulfonic acid-induced colitis model

by Jin-Hwa Kim, Ji-Soo Jeong, Jeong-Won Kim, Eun-Hye Chung, Su-Ha Lee, Je-Won Ko, Youn-Hwan Hwang, Tae-Won Kim

Moutan Cortex (MC), the dried root bark of Paeonia suffruticosa, is used in traditional Chinese and Korean medicine to treat enteritis for its anti-inflammatory properties. This study compared the pharmacokinetic (PK) profiles of paeonol and paeoniflorin in normal and dinitrobenzene sulfonic acid (DNBS)-induced colitis rats, and to determine how repeated low-dose MC [MC(L), 0.5 g/kg] or high-dose MC [MC(H), 2.5 g/kg] alters PK and disease severity. Using ultra-performance liquid chromatography–tandem mass spectrometry, we found that DNBS modestly increased paeonol AUClast (NC: 247.8 ± 63.7 vs DNBS: 337.0 ± 120.8 hr*ng/mL) and decreased paeoniflorin (NC: 474.1 ± 11.7 vs DNBS: 463.7 ± 106.8 hr*ng/mL) compared to controls (ns). After repeated dosing, the maximum plasma concentration (Cmax) of paeonol was higher in the MC(H) than that in the MC(L) group (MC(L): 63.81 ± 29.74 vs MC(H): 4221.5 ± 1579.2 ng/mL, p max in the MC(H) group was also higher than MC(L) group (MC(L): 60.5 ± 15.3 vs MC(H): 164.7 ± 74.7 ng/mL, p 

‘Giving and Receiving’—Peer Volunteers' Experiences of Online Perinatal Support: A Qualitative Study

ABSTRACT

Aim

To explore peer volunteers' experiences of delivering online support through SMART to at-risk mothers during the perinatal period, to inform future improvements to mobile-health-application (mHealth app) based peer-support interventions.

Design

Descriptive qualitative research.

Methods

The study was conducted between February 2024 and June 2025 in a tertiary public healthcare institution in Singapore. Twenty peer volunteers were recruited via convenience and snowball sampling and participated in individual semi-structured interviews. Interviews were audio-recorded, transcribed verbatim and analysed using thematic analysis.

Results

Four themes were identified: (a) Giving and receiving: the inner world of peer volunteers; (b) Navigating relational complexity in digital peer support; (c) Facilitating connection and continuity in digital peer support; and (d) Building better connections through supportive ecosystems.

Conclusion

Peers reported experiencing reciprocal benefits, such as a sense of fulfilment and achievement, while supporting mothers. Shared experiences and psychosocial vulnerabilities enhanced relatability, reassurance and rapport, which sustained supportive relationships. Challenges encountered by peers highlighted the need for strengthening both intervention design and peer training.

Implications for Patient Care

Regular check-ins by programme facilitators, alongside clear information, flexible guidelines and reassurance, can improve peer volunteers' motivation and resilience, thereby ensuring consistent and sustainable support for at-risk mothers.

Impact

Examined peer volunteers' experiences in providing online perinatal support to mothers with diverse psychosocial vulnerabilities. Peers offered emotional, informational and practical support, while mothers benefited from learning how peers had coped with their psychosocial vulnerabilities. Shared experiences fostered confidence and reassurance among mothers that they, too could overcome similar adversities. Valuable in providing both medically accurate perinatal information and meaningful social support to perinatal mothers.

Reporting Method

The reporting of the study adheres to the standards outlined in the Consolidated Criteria for Reporting Qualitative Research (COREQ) checklist.

Patient or Public Contribution

Mothers and peer volunteers contributed valuable insights and suggestions that helped in the design of the intervention.

Development of explainable machine learning models to predict side effects in patients with rheumatoid arthritis taking methotrexate treatment: a nationwide multicentre cohort study

Por: Jang · J. · Kim · W. J. · Park · S. W. · Moon · K. W. W.
Objectives

Methotrexate (MTX) effectively controls rheumatoid arthritis (RA) but often leads to side effects (SE) such as gastrointestinal (GI) issues, liver toxicity and bone marrow suppression. To develop clinically interpretable machine learning (ML) models that accurately predict MTX-related SE in patients with RA taking MTX. The aim was to enhance predictive accuracy and to identify patient-specific risk factors using explainable artificial intelligence (XAI), thereby enabling transparent clinical interpretation. We specifically sought to address the unmet need for individualised risk stratification using real-world, multicentre observational data.

Design

Retrospective case-control study.

Setting

Across 23 rheumatology clinics in South Korea, based on data from a nationwide multicentre cohort.

Participants

A total of 5077 patients with RA were initially enrolled from the Korean Observational Study Network for Arthritis. After excluding those with missing clinical, demographic or prescription data and those not receiving MTX, 2375 patients remained eligible. Among these, 1654 and 1218 patients were included in the overall SE and GI SE analysis groups, respectively, after 1:1 propensity score matching. All patients were aged ≥18 years and met the 1987 American College of Rheumatology classification criteria.

Primary and secondary outcome measures

The primary outcome was the presence of SE in patients with RA taking MTX, categorised into overall SE and GI SE, based on standardised patient questionnaires and clinical assessments. The secondary outcome was the identification of key predictors using SHapley Additive exPlanations (SHAP) to enhance the interpretability of ML predictions.

Results

Among six ML classifiers, extreme gradient boosting demonstrated the highest performance in predicting overall SE (area under the curve (AUC) 0.781, F1 score 0.672, area under the precision-recall curve (AUPRC) 0.757) and GI SE (AUC 0.701, F1 score 0.690, AUPRC 0.670). SHAP analysis identified key predictive features including age, physician visual analogue scale score, alanine aminotransferase, Health Assessment Questionnaire score, celecoxib use and drug adherence. Logistic regression confirmed statistical significance for multiple variables (eg, OR 4.63; 95% CI 1.41 to 20.90 for non-adherence >30 days; OR 1.45; 95% CI 1.14 to 1.85 for celecoxib use). DeLong’s test indicated that boosting models significantly outperformed support vector machine (p

Conclusions

Interpretable ML models using real-world clinical data can accurately predict SE in patients with RA taking MTX. These models may facilitate early identification of high-risk individuals and inform personalised treatment strategies. Integration into clinical decision support systems could improve MTX safety monitoring. Further prospective validation in external cohorts is warranted.

Machine learning-based prediction of dissatisfaction after occupational injury: a retrospective cohort study using the nationwide Korean workers compensation insurance database

Por: Lee · Y. · Kim · T. · Koo · D. · Park · D.
Objectives

To develop a machine learning (ML)-based predictive model to determine the key predictors of dissatisfaction after occupational injury (OI).

Design

A retrospective cohort study.

Setting

Nationwide 5-year panel data (2018–2022) from the Panel Study of Workers’ Compensation Insurance in South Korea.

Participants

A total of 2298 workers who completed compensation-related medical care in 2017.

Methods

Predictive modelling was conducted with extreme gradient (XG) Boost, light gradient boosting machine (GBM), CatBoost and random forest. SHapley Additive Explanations (SHAPs) analysis was conducted to interpret the feature importance. Further, logistic regression was conducted for comparison.

Primary outcome measures

This study evaluated postinjury satisfaction among workers using survey items associated with satisfaction levels. We adopted a 5-year follow-up period.

Results

Of the 2298 participants, 570 were dissatisfied. The logistic regression model indicated that dissatisfaction was significantly associated with unemployment (adjusted OR (aOR) 1.701; 95% CI: 1.296 to 2.233), lack of private health insurance (aOR 1.347; 95% CI 1.042 to 1.741) and lower perceived socioeconomic status (aOR 2.097; 95% CI 1.109 to 3.965). Among the ML models, light GBM exhibited the highest area under the receiver operating characteristics curve (0.770 (95% CI 0.718 to 0.819)), followed by CatBoost (0.768 (95% CI 0.718 to 0.815)), random forest (0.766 (95% CI 0.715 to 0.814)) and XGBoost (0.765 (95% CI 0.717 to 0.811)). The SHAP analysis demonstrated the total number of household members, extent of pain interference with daily life, perceived health status before injury and financial factors as the strongest predictors.

Conclusion

This study developed and demonstrated robust predictive performance of an ML-based model for determining dissatisfaction after OI. The key features included employment status, financial stability, chronic pain and cognitive function, highlighting the multifaceted nature of worker satisfaction.

Role of recruitment bias in stepped-wedge cluster randomised controlled trials: a systematic review

Por: Yakimova · A. · Wiggins · F. · Kanaan · M. · Keding · A. · Torgerson · D.
Objectives

Increased popularity of stepped-wedge cluster randomised trials (SW-CRT) highlights the importance of understanding and appropriate mitigation of sources of bias within this trial design. While current evidence suggests that ‘conventional’ cluster randomised controlled trials (RCTs) are at a higher risk of recruitment bias than individually randomised trials, this review aims to estimate the risk of recruitment bias in SW-CRTs.

Design

Systematic review with search conducted on four databases. Risk of bias (RoB) was assessed using subdomain 1a (randomisation process) and 1b (timing of identification or recruitment of participants) of the Cochrane RoB tool 2.0 (extension for cluster RCTs).

Data sources

MEDLINE, Embase, CINAHL, Cochrane Library were searched on 9 February 2024.

Eligibility criteria for selecting studies

SW-CRTs published in 2023 were included.

Data extraction and synthesis

Two independent reviewers screened and extracted all eligible papers. RoB was assessed with the Cochrane RoB tool.

Results

Overall, 808 papers were screened, and 64 studies were included in the review. Most studies were deemed to have a high RoB (n=35, 55%), some concerns were noticed in 20 studies (31%), and 9 (14%) were considered to have a low RoB. The description of the randomisation process in the included papers was sometimes poorly reported (in 15 studies (23%) problems with the randomisation process were identified), and 21 studies (33%) had issues with sampling strategy (recruiting participants after randomisation by unmasked staff).

Conclusions

The review revealed that SW-CRTs are prone to recruitment bias, but the risks are comparable to cluster RCTs. When SW-CRTs are unable to recruit prior to randomisation, mitigation strategies could be implemented to reduce bias. A separate tool for RoB assessment in SW-CRTs is required to address the complexities of this trial design.

Timely Implementation of Patient‐Reported Outcomes in Clinical Care: Insights From Clinicians and Health Informatics Experts

ABSTRACT

Aim

To explore the optimal timing of patient-reported outcome assessment, defined as the collection and use of patient-reported outcomes at clinically meaningful points such as before or during encounters, treatment initiation and follow-up, and to identify the facilitators and barriers to timely use.

Design

A qualitative analysis of semi-structured interviews with healthcare professionals across diverse US health systems.

Methods

Thematic analysis was used to identify key themes related to the timing and implementation of patient-reported outcomes assessments. Interviews were analysed iteratively to develop a coding framework and synthesise overarching themes.

Results

Fourteen healthcare professionals, including nurse practitioners, cardiologists and health informatics experts across seven U.S. health systems from academic and community hospitals, were interviewed in February 2024. Three major themes emerged: (1) value proposition of timely patient-reported outcome data collection (2) key facilitators for timely implementation and (3) multilevel barriers. The value proposition focused on the use of patient-reported outcomes for prevention and active disease management. Critical facilitators for the timely implementation of patient-reported outcomes included the involvement of research and clinical coordinators, strategies for pre-visit and on-site patient-reported outcome collection, the use of standardised templates within EHRs and the alignment of patient-reported outcome collection with patients' long-term treatment goals. Finally, multilevel barriers included time constraints, patient-level challenges (e.g., fatigue, literacy, language) and systemic issues (e.g., technical limitations, lack of reimbursement and unclear guidelines).

Conclusion

Timely collection and use of patient-reported outcomes is critical for improving symptom monitoring and supporting patient-centered clinical decision-making. However, multilevel barriers hinder consistent implementation across health care settings.

Implications for the Profession and/or Patient Care

Integrating patient-reported outcomes into clinical workflows can improve the patient-centeredness of patient-healthcare professional interactions, and provide a more holistic picture of a patient's health status. Addressing barriers to patient-reported outcome implementation, including lack of time, poor health literacy and workflow integration barriers, is crucial for improving clinical outcomes.

Reporting Method

This study adhered to the COREQ (Consolidated Criteria for Reporting Qualitative Research) checklist, in accordance with EQUATOR Network guidelines.

Patient or Public Contribution

No patient or public involvement: This study did not include patient or public involvement in its design, conduct or reporting.

A Mixed‐Methods Exploration of Staff Needs for Coping With Grief and Loss in Residential Aged Care

ABSTRACT

Aims

To examine residential aged care staff's experience of death and grief, and their support needs.

Methods

A mixed-methods sequential explanatory design, using an online cross-sectional survey that included the Texas Revised Inventory of Grief and the Grief Support in Health Care Scale. Followed by semi-structured interviews with direct care workers and managers working in residential aged care homes were conducted.

Results

Over 60% of participants experienced five or more resident deaths in the previous 12 months. Although, different levels of grief were experienced among different roles, the importance of open communication and opportunities for farewells after resident death was highlighted. Participants suggested support and education to normalise grief and promote self-care.

Conclusion

Recognising staff grief following the resident death is important. Providing support and education may help improve staff wellbeing and contribute to the delivery of high-quality care for both residents and their families.

Implication for the Profession and/or Patient Care

Staff grief after a resident death needs to be recognised, and continuing education and support are required for their wellbeing.

Reporting Method

The STROBE and SRQR checklists were applied.

Patient or Public Contribution

No Patient or Public contribution.

Comparative outcomes of swing segment revisions of radiocephalic arteriovenous fistula between endovascular and surgical approaches

by Suehyun Park, Sangho Lee, Hyeon Ju Kim, Hyung-Kee Kim, Seung Huh, Deokbi Hwang

Objective

Regarding revision of vascular access (VA), endovascular methods are commonly employed owing to their procedural simplicity, yet their durability remains uncertain. This study aimed to compare clinical outcomes of swing segment (SwS) revision of radiocephalic arteriovenous fistula (RC-AVF) between endovascular and surgical approaches.

Materials and methods

A retrospective cohort study comparing two groups was conducted at one tertiary hospital in South Korea. A total of 131 patients underwent endovascular or surgical revision of SwS in RC-AVF for the first time after AVF creation between 2016 and 2023. Endovascular and surgical revisions were performed in 114 and 17 patients, respectively (interposition, n = 10; patch angioplasty, n = 5; transposition, n = 1; proximalization, n = 1). Kaplan-Meier survival analysis was used to assess post-intervention primary patency (PP) and post-intervention secondary patency (SP). Multivariable Cox regression analysis was performed to adjust for potential confounders, and a subgroup analysis was conducted based on whether the SwS was in stenosis or occlusion.

Results

The median minimal diameter of SwS was 1.3 mm in the endovascular group and 1.4 mm in the surgical group, and the median lesion length was 2.5 cm and 4.0 cm, respectively. Twelve-month PP was 63.5% vs 73.7% (endo vs surgical, P = 0.79). While PP did not differ in the stenosis subgroup, the occlusion subgroup showed significantly higher PP after surgical revision (P = 0.002), with surgery associated with a markedly lower risk of loss of PP events (HR 0.073).

Conclusion

Surgical revision may be preferentially considered for long-segment occlusive lesions, given its superior early PP and the longer lesions typically associated with occlusions, whereas percutaneous transluminal angioplasty (PTA) remains appropriate for focal or stenotic lesions within the SwS. Consistent follow-up is essential to enable timely interventions, thereby maximizing the functionality of RC-AVF.

Safety profile of metformin in adolescents with type 2 diabetes: A pharmacovigilance analysis of the FDA Adverse Event Reporting System

by Mengsi Peng, Peng Shen, Kyung-In Joung, Kwang Joon Kim

Background

Although metformin is the first-line medicine for type 2 diabetes (T2D), its safety profile in adolescents remains poorly understood. This study seeks to investigate the adverse events linked to metformin use in adolescents diagnosed with T2D.

Methods

Data from the Food and Drug Administration Adverse Event Reporting System (FAERS), spanning Q1 2004 to Q2 2024, were retrospectively analyzed in this study. Adverse reactions were standardized using the Medical Dictionary for Regulatory Activities, then significant adverse drug reaction signals were identified through disproportionality analysis employing reporting odds ratio (ROR) and information component (IC) methods.

Results

Of 17,956,653 FAERS reports, 80,187 involved metformin, including 973 in adolescents (10–19 years), with 174 cases were identified with a T2D indication. Analysis at the system organ class level revealed that congenital, familial, and genetic disorders [ROR: 8.8 (4.0, 19.3); IC: 2.2 (1.1, 2.9)] and pregnancy conditions [ROR: 4.9 (2.5, 9.5); IC: 1.8 (0.8, 2.5)] showed the most significant signals. At the preferred term (PT) level, three signals were identified across all sexes and subgroups: treatment noncompliance [ROR: overall 4.14 (2.44, 7.02), male 4.27 (2.00, 9.12), and female 4.65 (2.22, 9.74); IC: overall 1.67 (0.88, 2.22), male 1.60 (0.46, 2.36), and female 1.74 (0.60, 2.50)], lactic acidosis [IC: overall 2.99 (1.91, 3.72), male 2.53 (0.76, 3.61), and female 2.76 (1.34, 3.67)], and gastrointestinal disorder [ROR: overall 13.09 (4.73, 36.23), male 54.33 (6.05, 487.96), female 5.34 (1.10, 25.84)]. Neurological disorders were observed only in males, while pregnancy-related adverse effects and renal disorders occurred exclusively in females. Additionally, the study identified potential new signals not documented in metformin labeling, including areflexia, muscle weakness, ataxia, decreased vibratory sense, rhabdomyolysis, substance use, and axillary pain.

Conclusion

The study reveals a complex safety profile of metformin in adolescents with T2D, warranting further research to confirm risks.

Clinical impact of prophylactic antibiotics in kidney transplantation: A retrospective observational cohort study with historical comparison

by Sang Ah Lee, Jin-Myung Kim, Hye Eun Kwon, Youngmin Ko, Joo Hee Jung, Sung Shin, Young Hoon Kim, Sung-Han Kim, Hyunwook Kwon

Purpose

Optimal perioperative antibiotic prophylaxis in kidney transplantation remains undefined despite routine antibiotic administration to prevent infections. In this retrospective observational cohort study with historical comparison, we compared the clinical efficacy of 6 days of ampicillin/sulbactam vs. a single dose of cefazolin.

Materials and methods

We retrospectively analyzed 2322 kidney transplantation recipients at a single center, with the evaluation period spanning from 2015 through 2021. Patients were divided into 2 groups based on the perioperative antibiotic regimen received: 971 patients received ampicillin/sulbactam, and 1351 received cefazolin. This study focused on evaluating the impact of these regimens on postoperative infection incidence and the 6-month acute rejection (AR) rates.

Results

The cefazolin group exhibited a tendency toward higher urinary tract infection rates within 1 month after transplantation (3.4% vs. 2.2%, p= = 0.078). There were no significant differences in surgical site infections between the groups. The 6-month AR rates were significantly lower in the cefazolin group than in the ampicillin/sulbactam group (5.1% vs. 7.9%, p= = 0.009). Cefazolin was also confirmed to be significantly associated with reduced 6-month AR rates in the multivariable logistic regression analysis (odds ratio 0.63, 95% confidence interval [0.45-0.89], p= = 0.009).

Conclusion

In this study, we observed that a single dose of cefazolin as perioperative antibiotic prophylaxis may lead to higher rates of postoperative urinary tract infections, but it could potentially lower the incidence of acute rejection within six months.

Effect of fascial closure using barbed sutures on incisional hernias in midline laparotomy for gynecological diseases: A multicenter randomized controlled trial (KGOG 4001)

by Yong Jae Lee, Nam Kyeong Kim, Kidong Kim, Chel Hun Choi, Keun Ho Lee, Jong-Min Lee, Kwang Beom Lee, Dong Hoon Suh, Sunghoon Kim, Min Kyu Kim, Seok Ju Seong, Myong Cheol Lim

Objective

To identify the effect of fascial closure using barbed sutures on the incidence of incisional hernia in patients undergoing elective midline laparotomy for gynecological diseases.

Methods

In this multicenter, non-blind randomized controlled trial conducted from February to December 2021, patients with a BMI 2 and aged >18 years, scheduled for midline laparotomy, were randomly assigned to receive either barbed (experimental) or non-barbed sutures (control) for fascial closure. The primary outcome was the cumulative incidence rate of incisional hernia up to 1-year post-surgery. Secondary outcomes included incisional hernia up to 2-years post-surgery, wound complications, and postoperative pain assessed by Brief Pain Inventory-Korean scores, and Numeric Rating Scale.

Results

Out of 174 patients (experimental, 86; control, 88), 36 were excluded due to dropout or loss to follow-up, leaving 138 patients (experimental, 67; control, 71) included in the analysis. The groups were balanced in terms of cancer surgeries, mean wound length, and mean surgery time. The cumulative incidence rates of incisional hernia up to 1-year (0.0% vs. 1.4%; p > 0.999) and 2-years (0.0% vs. 3.4%, p = 0.496) post-surgery did not differ significantly between the experimental and control groups. Additionally, no significant differences were observed in the incidence of wound dehiscence 4 weeks post-surgery, cumulative incidences of wound dehiscence and wound infection up to 4 weeks post-surgery, or postoperative pain scores between the groups.

Conclusions

Fascial closure using barbed sutures resulted in no cases of incisional hernia up to 2-years post-surgery, but did not demonstrate a significant reduction in incisional hernia rates compared with the non-barbed suture.

Trial registration

ClinicalTrials.gov NCT04643197

State of Ohio Adversity and Resilience (SOAR) study protocol: a comprehensive, multimodal, family-based, longitudinal observational investigation of risk and resilience in mental health and substance use disorders

Por: King · A. P. · Langenecker · S. · Gorka · S. M. · Turner · J. · Wang · L. · Wastler · H. · Gonzalez · M. · Christian · L. M. · Keck · C. · Olsen · R. · Kim · H. · Klamer · B. · Fernandez · S. · Adler · C. · Andari · E. · Barrenger · S. L. · Bonfine · N. · Bozzay · M. · Brown · S. L. · Browni
Introduction

Deaths related to drug overdose and suicide in the USA have increased 500% and 35%, respectively, over the last two decades. The human and economic costs to society associated with these ‘deaths of despair’ are immense. Great efforts and substantial investments have been made in treatment and prevention, yet these efforts have not abated these increasing trajectories of deaths over time. The COVID-19 pandemic has exacerbated and highlighted these problems. Notably, some geographical areas (eg, Appalachia, farmland) and some communities (eg, low-income persons, ‘essential workers’, minoritised populations) have been disproportionately affected. Risk factors have been identified for substance use and suicide deaths: forms of adversity, neglect, opportunity indexes and trauma. Yet, the biological, psychological and social mechanisms driving risk are not uniform. Notably, most people exposed to risk factors do not become symptomatic and could broadly be considered resilient. Achieving a better understanding of biological, psychological and social mechanisms underlying both pathology and resilience will be crucial for improving approaches for prevention and treatment and creating precision medicine approaches for more efficient and effective treatment.

Methods and analysis

The State of Ohio Adversity and Resilience (SOAR) study is a prospective, longitudinal, multimodal, integrated familial study designed to identify biological, psychological and social risk and resilience factors and processes leading to mental health disorders, substance use disorders, substance overdose, suicide and associated psychological/medical comorbidities which reduce life expectancy and quality of life. It includes two nested longitudinal samples: (1) WD Survey: an address-based random population epidemiological sample of 15 000 individuals (unique households) representative of the state of Ohio assessed for psychosocial, psychiatric, behavioural health and substance use factors and (2) Brain Health Study: a family-based, multimodal, deep-phenotyping study conducted in 1200 families (up to 3600 persons aged 12–72 years) including MRI, electroencephalography, blood biomarkers and psychiatric diagnostic interviews, as well as neuropsychological, psychosocial functioning and family/community history, dynamics and support assessments. SOAR is designed to discover, develop and deploy advanced predictive analytics and interventions to transform mental health prevention, diagnosis, treatment and recovery.

Ethics and dissemination

All participants will provide written informed consent (or parental permission and assent for minors). The study was approved by The Ohio State University Institutional Review Board (study numbers 2023H0316 (Brain Health) and 2023H0350 (Wellness Survey). The Brain Health study was also approved by institutional review boards at each partnering institution involved in conducting participant assessments. Findings will be disseminated to academic peers, clinicians and healthcare consumers, policymakers and the general public, using local and international academic channels (academic journals, evidence briefs and conferences) and outreach (workshops and seminars).

Nurses' Perceptions and Behaviours Regarding Climate Change and Health: A Quantile Regression Analysis

ABSTRACT

Aims

The aim of this study is to identify the factors associated with nurses' perceptions and behaviours related to climate change and health (PBCH) according to their PBCH levels.

Design

A cross-sectional study was used.

Methods

This study included a sample of 499 Korean nurses and adhered to the STROBE checklist. Data were collected from March 23 to May 10, 2023. Quantile regression analysis was performed, and PBCH levels were measured using the Korean version of the Climate Health and Nursing Tool.

Results

Across all quantile groups, the experience of extreme weather events and awareness of climate change-coping facilitators were associated with PBCH. Differences were observed in factors associated with PBCH levels. Significant associations with PBCH were observed within the 75th percentile group, for having a religion, household income, and workplace climate friendliness. In the 25th percentile group, having a child, the number of sources for climate change–health-related information, and experience in setting climate change–health goals and strategies significantly influenced PBCH.

Conclusion

We propose a differentiated strategy by elucidating the factors associated with high and low quantiles of PBCH levels.

Implications

By verifying specific factors associated with PBCH levels, nurses can enhance their preparedness to respond to the health risks posed by climate change in their clients.

Impact

Identifying common factors associated with all quantiles of nurses is important for establishing universal PBCH characteristics. Recognising the distinctions between high and low PBCH levels can aid in developing tailored nursing strategies to enhance PBCH among nurses.

Reporting Method

This study adhered to the STROBE guidelines.

Patient or Public Contribution

No Patient or Public Contribution.

Use of the National Health Insurance among beneficiaries in Maluku province, Indonesia: a cross-sectional analysis of the 2021 social health insurance sample data

Por: Titaley · C. R. · Ariawan · I. · Wahyuningsih · W. · Iwan · R. F. · Malakauseya · M. L. V. · Kimberly · V. D. · Tando · Y.
Objectives

This study examined factors associated with the use of Indonesia’s National Health Insurance (NHI) among its beneficiaries in Maluku province.

Design

Cross-sectional study.

Setting

The individual-level data were derived from the 2021 Social Health Insurance Sample Data. National health reports of Indonesia were used to provide the district-level variables. We performed multivariable logistic regression analyses to identify factors associated with NHI use among its beneficiaries in Maluku province.

Participant

Data were collected from 31 517 NHI beneficiaries registered in Maluku.

Primary outcome

The primary outcome was the use of NHI insurance when accessing healthcare services (yes/no).

Results

Only 14.79% of NHI beneficiaries in Maluku had ever used their insurance for healthcare services. Individual factors associated with higher NHI use included being under 60 years, females (adjusted OR (aOR)=1.29, p

Conclusion

Strengthening primary healthcare accessibility, improving the distribution of healthcare workers and addressing socioeconomic and geographical disparities are essential to ensure that the NHI scheme achieves equitable use across all regions in Maluku and other areas with similar settings.

Scar Quality After Burns in Relation to Skin Type, Classified by Device‐Based Colour Measurement, as an Alternative for the Fitzpatrick Questionnaire

ABSTRACT

This study aimed to determine if skin types can be accurately assessed via melanin scores measured with a colormeter, and whether scar characteristics of people with different skin types are different at various stages of healing. Melanin scores of a Cortex DSM Colormeter were validated against the Fitzpatrick skin type questionnaire in healthy volunteers and unaffected skin of burn and scar patients (N = 137) to determine melanin index cut-offs per skin type. Scar quality in children and adults at 3, 6, and 12 months post-burn using DSM Colormeter and the Patient and Observer Scar Assessment Scale (POSAS) was analysed in a cohort of > 1000 patients. Data from 137 individuals showed good correlation between melanin index and Fitzpatrick skin types (Spearman's rho: 0.72 Dermaspectrometer, 0.69 DSM II; p < 0.0001). Scar characteristics varied by skin type for erythema, pigmentation, vascularization, and overall POSAS scores. Children had significantly thicker scars than adults, regardless of skin type, varying from 0.3 to 1.4 points difference on the observer scale at 12 months post burn. We conclude that skin type can be objectively classified using the melanin index, showing a strong correlation with the Fitzpatrick questionnaire. Skin type influences scar outcomes, especially pigmentation and vascularization. Children, particularly those with lighter skin, tend to develop thicker scars than adults. Recognising these differences can improve scar management and patient education.

Prognostic role of effective radiation dose to immune cells in esophageal cancer treated with definitive chemoradiation

by Yoo Kyung Choi, Seok Hyun Son, Hong Seok Jang, In-Ho Kim, Sea-Won Lee, Soo-Yoon Sung

Background

Radiotherapy for locally advanced esophageal cancer can induce lymphopenia, potentially worsening outcomes. This study examines the association between clinical outcomes and the effective dose to the immune cells (EDIC), a measure of lymphocyte radiation exposure.

Methods

We retrospectively analyzed 107 patients with locally advanced esophageal squamous cell carcinoma treated with definitive concurrent chemoradiotherapy (CCRT). The EDIC was calculated based on the mean lung dose, mean heart dose, and integral total body dose using established models. Patients were stratified into high (n = 42) and low (n = 65) effective dose to the immune cells (EDIC) groups using a cut-off value of 4.28 Gy. Survival outcomes, including overall survival (OS), progression-free survival (PFS), locoregional failure-free survival (LRFS), and distant metastasis-free survival (DMFS), were assessed.

Results

The 5-year OS and PFS rates were significantly lower in the high EDIC group than in the low EDIC group (51.9% vs. 66.6%, p = 0.043; 20.8% vs. 31.8%, p = 0.002, respectively). Multivariate analysis identified high EDIC as an independent predictor of poorer OS (hazard ratio (HR): 2.06, 95% confidence interval (CI): 1.1–3.86, p = 0.024) and PFS (HR: 1.7, 95% CI: 1.04–2.78, p = 0.034). Similarly, the 5-year LRFS and DMFS rates were significantly lower in the high EDIC group than in the low EDIC group (24.1% vs. 34.9%, p = 0.003; 29.0% vs. 44.0%, p = 0.018, respectively).

Conclusion

A higher EDIC is an independent predictor of poor survival in patients with esophageal squamous cell carcinoma undergoing CCRT. Reducing radiation exposure to the immune system through optimized radiation planning and lymphocyte-sparing techniques may improve patient outcomes.

Safety and efficacy of quick-soluble gelatin microparticles for transarterial embolization of the lower urinary tract: Preclinical study in a rabbit urinary bladder embolization model

by Sunghoon Jeon, Keunho Kim, Cheolwon Choe, Juil Choi, Gun Lee, Chung-Do Lee, Hyeon-Jeong Moon, Jun-Gyu Park, Jin-kyung Kim, Namsoon Lee, Dongwoo Chang

Quick-soluble gelatin microparticles (QS-GMP) are emerging embolic agents under investigation for temporary vascular occlusion, offering reduced ischemic risk compared to permanent materials. The aim of this preclinical study was to evaluate the safety and efficacy of QS-GMP for transarterial embolization in a rabbit model of urinary bladder embolization. Twelve male New Zealand White rabbits underwent bilateral umbilical artery embolization using QS-GMP. Animals were assigned to four time-points (immediately, 3, 7, and 14 days post-embolization), with comprehensive assessments including clinical observations, hematologic and serum biochemical analysis, angiography, and histopathology. The procedure was technically feasible in all animals without intraoperative complications. Temporary hematuria and a transient decrease in body weight were observed post-procedure, both of which resolved spontaneously. Complete occlusion of the cranial vesical artery and absence of bladder wall perfusion were achieved immediately after embolization, followed by full recanalization at 3 days. Angiographic imaging at 7 and 14 days revealed transient hypervascularization of the bladder wall. Histopathological analysis showed marked edema, epithelial necrosis, and inflammatory infiltration at 3 and 7 days, with full urothelial regeneration observed at 14 days. No signs of ureteral or renal injury, or adverse systemic responses were detected. These findings suggest that QS-GMP may serve as a feasible option for temporary arterial occlusion in future veterinary lower urinary tract applications, although further long-term evaluation is warranted.
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