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Association between hypertension status and severity and tinnitus: a cross-sectional analysis of the Fasa adult cohort study

Por: Najibi · A. · Bazmi · S. · Moradi · M. · Mohammadi · Z. · Al Kamel · A. · Yazdanpanah · M. H. · Farjam · M.
Background

Previous studies and meta-analyses suggest an association between hypertension and tinnitus; however, the influence of hypertension severity and control status remains unclear.

Objective

We aimed to investigate the association between hypertension and tinnitus in detail using a large, population-based dataset from a rural setting.

Design

Observational cross-sectional study.

Setting

Sheshdeh, Fasa, Iran.

Participants

We analysed data from 9775 individuals in the general population, aged 35–70 years, excluding those with a history of cancer, pregnancy or medical conditions known to cause tinnitus, such as stroke, seizures or multiple sclerosis. Additionally, although the study design aimed to exclude participants using aminoglycosides because of their significant ototoxic effects, no such users were identified during the study period.

Primary and secondary outcomes

Hypertension was defined as a systolic blood pressure (SBP) of ≥140 mm Hg or a diastolic blood pressure (DBP) of ≥90 mm Hg on at least two separate measurements or as current use of antihypertensive medications following a prior diagnosis. These medications included ACE inhibitors, angiotensin receptor blockers, diuretics, aldosterone antagonists and atenolol. Stage I hypertension was classified as an SBP of 140–159 mm Hg or a DBP of 90–99 mm Hg, while stage II was defined as an SBP of ≥160 mm Hg or a DBP of ≥100 mm Hg. Controlled blood pressure was defined as values below these thresholds. Tinnitus, assessed by a self-reported questionnaire, was defined as a continuous wheezing sound in the ear persisting for more than 1 week.

Results

Among participants (4446 males, 5309 females; mean age 48.55 (SD 9.53) years), the prevalence of tinnitus and hypertension was 7.4% and 19.3%, respectively. Hypertension was significantly associated with higher odds of tinnitus (adjusted OR=1.34; 95% CI 1.10 to 1.62). Notably, even participants with controlled hypertension had a 27% increased odds (OR=1.27; 95% CI 1.02 to 1.59) compared with normotensive individuals. The odds were highest in those with uncontrolled grade II hypertension (OR=2.08; 95% CI 1.25 to 3.47), demonstrating a dose-response relationship.

Conclusions

Our findings suggest a positive association between hypertension and tinnitus, with odds increasing alongside the severity and poor control of hypertension. Importantly, even controlled hypertension was associated with elevated odds, indicating that tinnitus screening may be warranted in all hypertensive patients, regardless of control status. These results underscore the need for heightened clinical awareness and further research into the pathophysiological mechanisms linking vascular health and auditory symptoms.

Assessing the Outcomes and Complications of Skin Allografts in Healing Diabetic Foot and Venous Leg Ulcers: A Systematic Review of Randomised Controlled Trials

ABSTRACT

Chronic diabetic foot ulcers and venous leg ulcers remain difficult to treat due to delayed healing and high complication rates. Biologic skin allografts derived from living or amniotic tissue provide extracellular matrix components, cytokines, growth factors and viable cells that facilitate tissue repair. This investigation systematically reviewed randomised controlled trials comparing Apligraf, Theraskin, Amnioband, Amnioexcel, EpiCord and Epifix for chronic lower extremity wounds. Searches were conducted in PubMed, Embase and Cochrane databases. Primary outcomes included complete wound closure at 12 weeks, time to healing and percent area reduction. Secondary outcomes included infection, amputation and recurrence rates. Nineteen trials with a total of 1303 participants met inclusion criteria. Analysis demonstrated statistical significance in 12-week wound closure (p = 0.0394), with Theraskin achieving the highest mean closure (84.7%) and Amnioexcel the lowest (37.5%). Epifix and Amnioband showed faster healing trends and greater closure advantages compared with standard care. Reported complications were uncommon and inconsistently defined. While no single graft demonstrated statistically superior outcomes, descriptive trends suggest Theraskin, Epifix and Amnioband may offer greater clinical benefit. These findings provide comparative insight to guide clinical selection of skin substitutes and highlight the need for large-scale head-to-head trials to establish relative efficacy.

Accessing and Administering Anticipatory Medications for Community End‐of‐Life Symptom Control: A Qualitative Focus Group Study

ABSTRACT

Aim

To understand healthcare professionals' perspectives of what works well and what can be improved in the supply and administration of anticipatory medications at the end of life in the community.

Design

Qualitative interpretive study using focus groups.

Methods

Semi-structured focus groups included healthcare professionals with experience of using anticipatory medications, and public contributors with lived experiences of relatives' end-of-life care. Participants' demographic information was elicited in a brief questionnaire. Transcripts were analysed inductively using thematic analysis. Data were collected in September 2022.

Setting and Participants

Eight focus groups involved 58 UK-based participants. Each group included people with a variety of professional roles from diverse geographical areas, and public contributors with relevant lived experiences.

Results

The administration of anticipatory prescriptions was widely perceived to be a valuable intervention, but extensive operational challenges were identified, with three interconnected themes arising from the data: (a) Communication between healthcare teams; (b) Intuitive documentation; (c) Accessibility of medications. Addressing these challenges was perceived to be onerous, particularly for nurses and families.

Conclusions

Operational barriers to the timely and appropriate administration of anticipatory medications risk were perceived as adversely affecting patient care and patients' and families' experiences.

Implications for the Profession and/or Patient Care

System-level improvements are needed to streamline care processes and ensure equitable, appropriate, and timely access to end-of-life symptom control medications in the community.

Reporting Method

This study adheres to relevant EQUATOR guidelines and follows the appropriate Standards for Reporting Qualitative Research (SRQR).

Patient or Public Contribution

Our Public and Clinician Advisory Group helped shape questions and commented on findings. Focus groups included public participants with lived experience of end-of-life care in the community.

Impact of long COVID on diverse Australian populations: a multi-site, longitudinal prospective cohort study protocol

Por: Luo · S. · Zheng · Z. · Karimi · L. · Plebanski · M. · Anderson · K. L. M. · Jovanovski · N. · Lankatillake · C. · Cockshaw · W. · Wollersheim · D. · Sheahan · J. · Seal · E.-L. · Butler-Henderson · K. · Campbell · D. · Clarke · A. · Cleary · S. · Danaher · J. · El-Ansary · D. · Figueire
Background

Long COVID is a complex, multisystem chronic condition that may persist or fluctuate for months to years after SARS-CoV-2 infection. Despite emerging international research, significant gaps remain in understanding the full breadth of long COVID’s impacts in Australia. No study has yet prospectively examined these multidimensional impacts using a culturally appropriate, user-validated toolkit. Our study aims to characterise symptom profiles, functional outcomes and psychological, social, financial and behavioural impacts of long COVID in Australian adults; identify factors associated with recovery trajectories; and validate a set of measures to support research and clinical care.

Methods

This national, multi-site, longitudinal prospective cohort study comprises three phases: (1) survey selection and user-testing; (2) psychometric validation; and (3) a longitudinal cohort study. Survey selection was informed by literature review, Australian parliament inquiry reports and international recommendations, and refined through iterative user-testing and expert review. A total of 1000 participants aged ≥18 years from diverse cultural backgrounds with ongoing symptoms following COVID-19 infection will be divided into three cohorts based on time since infection. Surveys will be administered at seven time points over 24 months, with optional follow-up to 36 months. Data linkage to state and national health datasets will enable an objective assessment of healthcare utilisation and associated costs. Psychometric properties of the tools will be evaluated using baseline responses from the initial 300 participants, including assessments of structural/construct validity, convergent validity, known-groups validity, cross-validity, internal reliability, responsiveness and test–retest reliability. Other data analyses will include descriptive statistics, repeated-measures analysis of variance, linear mixed-effects modelling and multivariable regression models.

Ethics and dissemination

Ethics approval was obtained from The St Vincent’s Hospital Melbourne Human Research Ethics Committee (HREC) (112108/2024/PID00364) and RMIT University HREC (28124). Research findings will be disseminated at conferences and in peer-reviewed publications.

Trial registration number

Australian New Zealand Clinical Trials Registry (ACTRN12625001415493).

Candida Drug Resistance in Patients With Diabetic Foot Ulcers: A Systematic Review and Meta‐Analysis

ABSTRACT

Diabetic foot ulcers (DFUs) are one of the most serious and common complications that, if not treated properly, can lead to potential damage and even amputation. The aim of this systematic review and meta-analysis was to assess the drug-resistant Candida species in DFU. PubMed, Web of Science, Scopus and Google Scholar databases were systematically searched for eligible articles up to 22 June 2024. All articles on Candida diabetic foot infections that reported data on drug resistance were included in the study. In addition to general information, data on the type and number of fungi and the percentage of resistance to each drug were collected for analysis. A total of 238 studies were screened and finally, 16 articles were selected and analysed. Candida albicans was the most frequently isolated species in DFUs, followed by Candida tropicalis and Candida parapsilosis. For antifungal agents, the highest resistance was reported to Nystatin (32.48%, p-value = 0.30), Itraconazole (19.46%, p-value = 0.001) and Fluconazole (16.4%, p-value = 0.001). Miconazole (1.18%, p-value = 0.54) and Caspofungin (4.69%, p-value = 0.01) had the lowest resistance rates. For all drugs, resistance was higher in C. albicans than in non-albicans. This study found that antifungal drug resistance in Candida species is high in patients with DFUs, especially to itraconazole and fluconazole. Caspofungin, micafungin and voriconazole were more effective. Antifungal treatment in these patients should prioritize agents with lower resistance rates to improve outcomes and reduce the risk of treatment failure.

Protocol Registration: PROSPERO—CRD42024567133.

Occupational exposure to cadmium: protocol for a scoping review

Por: Paulo · M. S. · Martins · C. · Riesenberger · B. · Cordeiro · J. · Cervantes · R. · Palmont · P. · Bhoonah · R. · Ndaw · S. · Viegas · S.
Introduction

Cadmium is a metal that poses significant health risks, particularly in occupational environments where exposure can happen. The main objective of this scoping review is to review the cadmium exposure levels in the different occupational settings in the European Union (EU), considering the regulatory measures currently in place. The secondary objectives, depending on the availability of data, are (a) to identify the occupational settings where higher exposure levels occur, (b) to identify any geographical and temporal differences and trends within the EU and (c) to identify the most relevant co-exposures reported.

Methods and analysis

A scoping review will be conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews reporting guidelines. Studies reporting quantitative occupational data on cadmium exposure obtained through human biomonitoring and/or air monitoring will be included. A descriptive analysis of the findings will be performed.

Ethics and dissemination

This protocol for a scoping review does not require ethical approval as it is based on secondary data. The dissemination plan of the scoping review includes its publication in a scientific journal of reference, as it is expected that it will provide important knowledge to support ongoing and future occupational health interventions in the EU, at the technical and regulatory levels.

Registration

This study is registered at the Open Science Framework (OSF), 7 April osf.f2w3h.

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.

Using flow cytometry for paediatric leukaemia diagnosis in Kenya: a protocol for mixed methods study

Por: Severance · T. · Lotodo · T. · Serem · E. · Njuguna · F. · Melly · B. · Orido · M. · Tonui · R. · Olbara · G. · Koima · R. · Kigen · N. · Kussick · S. · Ratliff · V. · Holl · E. · Monahan · P. O. · Boova · T. · Vik · T.
Introduction

Each year, an estimated 1700 children should be diagnosed with cancer in western Kenya, with leukaemia making up nearly one-third of cases. However, far fewer are actually diagnosed, highlighting significant delays or errors in diagnosis. Flow cytometry, which the WHO considers essential for leukaemia diagnosis, remains underused across sub-Saharan Africa due to high costs, outdated equipment and a lack of trained personnel. In Kenya, decades-old cytometers have been adapted for leukaemia detection, but these systems are now outdated. Newer platforms, such as simplified single-tube multiparametric assays, provide a scalable and sustainable alternative. This study presents a protocol to evaluate the accuracy of diagnosis and the potential for implementing a streamlined flow cytometry assay using peripheral blood, supported by a regional educational initiative.

Methods and analysis

This prospective, mixed-methods implementation study has three aims: (1) to assess the concordance between the Beckman Coulter ClearLLab 10C gold standard 4-tube assay and the streamlined ClearLLab LS 1-tube assay using paired bone marrow and peripheral blood samples; (2) to evaluate the feasibility of peripheral facility referrals and transport logistics with couriered peripheral blood samples from referring sites across western Kenya; and (3) to measure training effectiveness and knowledge gain through a multimodal educational programme using the Project ECHO (Extension for Community Healthcare Outcomes) model. Up to 300 patients at Moi Teaching and Referral Hospital in Eldoret, Kenya, will be enrolled in Aim 1. A separate sample of 100 patients from peripheral facilities will be included in Aim 2. Surveys, knowledge assessments and structured interviews will be used to evaluate training impact under Aim 3. Diagnostic concordance, sensitivity, specificity and knowledge gain will be measured through appropriate quantitative and qualitative methods.

Ethics and dissemination

The protocol has received approval from institutional ethics committees at Moi University, MTRH and Indiana University. De-identified data will be analysed and shared through peer-reviewed publications, stakeholder presentations and educational platforms.

The Use of Triage in Primary Care in the UK: An Integrative Review and Narrative Synthesis

ABSTRACT

Aims

To examine the use of triage systems in primary care in the UK.

Design

Integrative literature review and narrative synthesis.

Data Sources

PubMed, EMBASE, CINAHL and Cochrane Library were searched in October 2024.

Methods

An integrative literature review was conducted following Whittemore and Knafl's (2005) five-step process. Of 1440 articles retrieved, 305 duplicates were removed, and 1086 excluded after title and abstract screening. Two additional articles were identified through citation and hand searches. Twenty studies were quality-assessed using the Mixed Methods Appraisal Tool, and data were extracted for narrative synthesis.

Results

Twenty studies were selected, including four randomised controlled trials, three quasi-experimental studies, eleven descriptive studies and two qualitative studies. The most common type of triage was telephone triage, most frequently performed by nurses. The most common health outcomes included subsequent patient re-contacts after triage, patient symptoms or complaints, current health status and patient safety. The benefits of triage included high patient satisfaction, workload redistribution, reduced GP workload and emergency department crowding, improved resource utilisation, access to care and communication. The challenges of triage included increased overall contact time, mis-triage issues, recruitment and retention challenges, the unsuitability of the decision support tool for the primary care setting and lower usage among older and less affluent groups.

Conclusions

This review examined the current use of triage in primary care in the UK, identifying common patterns in triage processes and classifications. Several benefits were identified, though some ongoing concerns about triage remain.

Impact

This paper provides essential evidence about the current use, effectiveness and challenges of triage in UK primary care. The findings can support healthcare policymakers, practitioners and researchers in planning and improving triage systems.

No Patient or Public Contribution

Integrative review.

Using a Modified Delphi Process to Develop an Intervention to Support Care Coordination of Patient Social Needs in Primary Care

ABSTRACT

Aims

To identify implementation strategies that effectively facilitate the adoption of social needs care coordination activities using enabling technologies among care management teams serving patients in community-based health centres.

Design

Modified Delphi process.

Methods

Discrete, feasible implementation strategies were identified through literature review and semi-structured interviews with care management staff and subject matter experts in clinical informatics, workflow redesign, and product engineering. A modified Delphi was conducted with eight subject matter experts and nine health centre care management staff. Iterative rounds of online surveys were used to achieve consensus on the most relevant implementation strategies and their delivery methods.

Results

The modified Delphi process achieved consensus on nine discrete implementation strategies needed to advance care management teams' ability to screen, refer and track social needs. Prioritised strategies included developing champions, enhancing quality improvement capacity, training staff on using enabling technologies and providing tailored technical assistance for workflow refinement. Consensus was also reached on a monthly cadence for most of the implementation strategies.

Conclusions

Consensus was reached on strategies to enhance care management teams' implementation of social needs screening, referrals and tracking using enabling technologies. These strategies will comprise an intervention to be pilot tested, refined and assessed in a cluster randomised clinical trial.

Implications for the Profession and/or Patient Care

Findings from this study will inform the development of strategies to further the adoption of enabling technologies to support social needs care coordination.

Impact

This work is key to the design of a type 2 hybrid implementation-effectiveness trial that will assess whether user-informed, evidence-based implementation strategies can improve care management teams' adoption of enabling technologies to facilitate social needs care coordination for patients.

Patient or Public Contribution

The research team includes a patient advisor with community-based nursing expertise and a nurse practitioner-clinical informaticist leader who was involved in data collection and interpretation of findings.

Trial registration: Clinicaltrials.gov registration # NCT06489002. Registered July 5, 2024, https://clinicaltrials.gov/study/NCT06489002?term=NCT06489002&rank=1.

Maternity Care Providers Perspectives and Experiences of Obstetric Violence in Low‐, Middle‐ and High‐Income Countries: An Integrative Review

ABSTRACT

Aim

To explore the perspectives and experiences of maternity care providers regarding obstetric violence across low-, middle-, and high-income countries.

Design

An integrative review of the literature.

Methods

A systematic literature search in CINAHL, Medline (via Ovid), SCOPUS, and the Cochrane Library was conducted from 2014 to 2024. Further papers were identified through a review of the reference lists of identified studies and through email alerts from searched databases. Articles were appraised using the applicable Joanna Briggs Institute qualitative or cross-sectional critical appraisal tool.

Results

Title and abstract screen were undertaken on 2748 records. Fifty-four studies using qualitative, quantitative, and mixed-methods designs were included. Maternity providers across all socio-economic levels described witnessing, and/or involvement in both respectful care and incidents of obstetric violence. The most common forms of obstetric violence were verbal and physical abuse, coercion, unconsented and unnecessary interventions, and violations of privacy and autonomy. Women who were socially marginalised, impoverished, and illiterate were vulnerable to obstetric violence. Differences were noted between low- and high-income countries, with detention of women for non-payment, privacy violations due to building design and lack of space, mistreatment due to HIV status, and women who were considered non-compliant being more vulnerable to obstetric violence in low-and low-middle-income countries. Obstetric violence was justified and normalised in the name of saving the baby, with less focus on the psychological health of the mother.

Conclusion

Our findings demonstrate that obstetric violence is a gender-based violence enabled through patriarchal structures and power imbalances. Maternity providers are witnessing or enacting obstetric violence across low-, middle- and high-income countries, with significant impacts on women and maternity care providers alike. This review highlights opportunities for further research and action to develop health and legal frameworks to prevent instances of obstetric violence and improve outcomes for women and maternity care providers.

Impact

A woman-centred approach underpinned by respectful maternity care has benefits for pregnant and birthing women. Obstetric violence, including verbal and physical abuse, coercion, and overmedicalisation, is prevalent in maternity services globally. This integrative review explored the perspectives and experiences of maternity care providers regarding obstetric violence across low-, middle-, and high-income countries. This review highlights the similarities and differences of witnessed, enacted, and perceived obstetric violence from the experience of maternity care providers. This review identifies the covert and overt nature of obstetric violence across low-, middle- and high-income countries. Gaining insight into provider perspectives across low-, middle-, and high-income countries may inform policy and practice reforms to eliminate obstetric violence and advance the provision of respectful maternity care.

Reporting Method

This integrative review adheres to the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines.

Patient or Public Contribution

No patient or public contribution.

Availability, acceptability and adoption of decision aids for HIV prevention and contraception for young people: a scoping review protocol

Por: Kabonga · I. · Kuguyo · O. · Mancitshana · L. · Chidhanguro · K. · Munhenzva · S. · Masiyambiri · F. · Ruhode · N. · Mangenah · C. · Sibanda · E.
Introduction

Young people face challenges in accessing information on HIV and sexual and reproductive health services, with corresponding suboptimal uptake. Decision aids can provide information and decisional support to improve young people’s engagement with health interventions. However, they have not been widely implemented among young people. The availability of different choices for HIV and pregnancy prevention means that it is important to implement interventions that facilitate informed choices for these methods. We describe a protocol for a scoping review that aims to explore the availability, acceptability and use of decision aids for HIV prevention and contraception for young people.

Methods and analysis

We will identify relevant studies from the following electronic databases from inception to current date: PubMed, Scopus and Global Health; and grey literature databases, namely medRxiv and Open Access Theses and Dissertations. Eligible studies will report on HIV prevention and/or contraception decision aids and be written in English. Data extraction will be done by two reviewers independently using templates, with discrepancies resolved by consensus. Analysis will be done narratively, and separate for HIV prevention and contraception decision aids. Analysis will also include determination of the suitability of each decision aid for use by young people aged 15–24 years. The Preferred Reporting Items for Systematic Reviews and Meta-Analysis extension for Scoping Reviews will be employed to present results.

Ethics and dissemination

This review does not require ethics approval. The findings from this work will be disseminated through peer-reviewed publications and presentations at local and international conferences.

Trial registration number

This scoping review protocol is registered in Open Science Framework with Project DOI: 10.17605/OSF/IO/46YWG (accessible via: https://doi.org/10.17605/OSF.IO/46YWG).

Development of a lifelong core outcome set for oesophageal atresia {+/-} tracheoesophageal fistula: the OCELOT study

Por: Thursfield · R. · Gorst · S. · Teunisson · N. · Lansdale · N. · Faulkner · J. · Krishnan · U. · Kovesi · T. · Slater · G. · Cullis · P. · Bray · L. · Donne · A. · Teague · W. · Losty · P. D. · Carr · S. · Gray · V. · Gutierrez-Gammino · L. · Nah · S. A. · Hall · N. J.
Background

Despite anatomical correction, people born with oesophageal atresia±tracheoesophageal fistula (OA-TOF) experience lifelong morbidity. Core outcome sets (COSs) are recognised as a means of improving research quality and, as a consequence, improving patient outcomes; one was not available for this population.

Objective

The scope of the study was to develop a COS for people born with OA-TOF that would be applicable regardless of age or geographic location.

Study design

Patient input was paramount to this study. For long-list generation, in addition to the systematic review (SR), patients and representatives were invited to participate in focus groups, interviews or complete activity packs to ascertain outcomes that matter most to them. International consensus was then sought using a two-step Delphi survey followed by an online consensus meeting.

Results

Eight outcomes were identified through patient events that had not been picked up from SR. 175 people completed the Delphi survey from 26 countries and health care professionals from 13 different disciplines. 24 outcomes met predefined criteria for inclusion and following discussion and voting in the consensus meeting, and 14/24 outcomes were agreed for inclusion in the COS.

Conclusion

14 outcomes have been agreed on to form the COS. 12 of these outcomes are relevant to people of all ages, 1 to paediatric population and 1 to adult cohorts. The COS is, therefore, truly applicable lifelong, which was the scope of the project. This COS will help reduce research heterogeneity, enabling better quality research outcomes and more comparable data.

Integrating sequence-based GWAS and comparative genomic analysis reveals conservation and species-specificity of putative functional variants influencing tail length and tail abnormalities in pigs and sheep

by Xuying Zhang, Johanna Mainzer, Isabella Giambra, Tong Yin, Petra Engel, Hannah Hümmelchen, Henrik Wagner, Axel Wehrend, Christiane Egerer, Katharina Gerhards, Gerald Reiner, Sven König

Long tails trigger tail biting in pigs and increase the risk of flystrike infections in sheep. Tail docking has been a common management practice in both species for decades, but increasingly conflicts with legal animal welfare guidelines. Sustainable solutions require breeding strategies targeting shorter tails. In consequence, the aims were to conduct whole-genome sequencing (WGS)-based genome-wide association studies (GWAS) and comparative genomic analyses (CGA) to explore functional elements influencing tail traits. Phenotypically divergent experimental populations of pigs and sheep were established through unified selection and mating experiments. Tail traits included tail length (TL) measured at birth, and tail abnormalities (TA) assessed radiographically at 14 weeks of age. WGS-based GWAS identified a significant locus on SSC18 in pigs and suggestive loci for TL in both species, which, together with previously reported loci for TA, were further analyzed by CGA. The genomic windows of the significant locus on SSC18 in pigs and the TL GWAS locus on OAR4 in sheep were found to be conserved, harboring six common genes with predicted functional variants. These variants were jointly associated with TL (Plm) in both species in linear regression models adjusted for sex, age of the dam, body length, and body weight. In other GWAS locus windows (±1 Mb), species-specific TL candidate genes were identified in sheep (HOXB13, MUC5B, EPB41L3, MTCL1, PIEZO2, MPPE1, and LOXHD1) and in pigs (KNL1, DISP2, SPRED1, TGFB2, and HAND1), each harboring associated putative functional variants. For TA, sheep-specific candidates (PGM2, LRRC66, CRACD, LOC105601916, and SH2D4B) and pig-specific candidates (MYOT, TMCO6, and PCDHAC2) were revealed using logistic regression models (Pglm). GO analyses of candidate genes predicted shared biological processes between sheep and pigs, whereas pathway analyses indicated that common carbohydrate metabolism pathways, along with species-specific immune and inflammatory signaling, and pig-specific TGF-β signaling and endochondral ossification, may contribute to tail length variation and abnormalities. These findings provided deeper insights into the genetic basis of differential embryonic tail morphogenesis and perinatal tail development across species.

COVID-19 knowledge, attitudes, and practices among people vulnerable to HIV in Uganda: A cross-sectional cohort analysis

by Job Kasule, Julius L. Tonzel, Natalie Burns, Tyler Hamby, Roger Ying, Grace Mirembe, Immaculate Nakabuye, Hannah Kibuuka, Margaret Yacovone, Betty Mwesigwa, Trevor A. Crowell, for the Multinational Observational Cohort of HIV and other Infections (MOCHI) Study Group

Background

People with behavioral vulnerability to HIV face barriers to healthcare engagement that may impede uptake of non-pharmaceutical and other interventions to prevent COVID-19. Understanding COVID-19 knowledge, attitudes, and practices in this population can inform disease prevention efforts during future pandemics.

Materials and methods

From October 2022 to September 2024, we enrolled participants aged 14–55 years without HIV who endorsed recent sexually transmitted infection, injection drug use, transactional sex, condomless sex, and/or anal sex with male partners. At enrollment, we collected socio-behavioral data, including assessments of COVID-19 knowledge, attitudes, and practices. Robust Poisson regression with purposeful variable selection was used to estimate prevalence ratios with 95% confidence intervals for factors associated with COVID-19 preventive practices.

Results

Among 418 participants, 228 (56.9%) were female, the median age was 21 years (interquartile range 19−24), and 362 (84.9%) reported sex work. Knowledge about SARS-CoV-2 transmission routes was high (95.4%) but lower for the consequences of genetic variants (48.5%−69.7%) and possibility for asymptomatic infection or transmission (66.7%−80.8%). Handwashing was practiced by 90.8% of participants in the preceding month, whereas mask-wearing (76.5%), avoiding symptomatic people (73.7%), and any history of COVID-19 vaccination (46.9%) were less prevalent. Males were more likely to report avoiding symptomatic people (adjusted prevalence ratio 1.16 [95% confidence interval 1.03–1.31]) and COVID-19 vaccination (1.30 [1.05–1.60]). Enrollment during the BQ.1/BQ.1.1 Omicron wave was associated with less mask-wearing (0.81 [0.67–0.99]) but more vaccination (1.59 [1.29–1.95]).

Discussion

We observed variable COVID-19 knowledge and attitudes among Ugandan adolescents and adults with little impact on COVID-19 preventive practices. Efforts to address suboptimal uptake of disease preventive practices during this and future disease outbreaks will require more than just improving knowledge.

Associations between indices of body composition and metabolic status in normal-weight adults: a cross-sectional study of the Tehran Lipid and Glucose Study

Por: Maleki · S. · Hosseinpanah · F. · Mahdavi · M. · Momenan · A. A. · Ebadi · S. A. · Rahmani · F. · Azizi · F. · Valizadeh · M.
Objective

To investigate associations between body composition indices and metabolic status among normal-weight adults.

Design

Cross-sectional study using data from the Tehran Lipid and Glucose Study (phaseVII: 2019–2021).

Setting

Primary care and community health services in an urban Tehran population.

Participants

1298 adults (40.5% men, 59.5% women), aged 18–80years, body mass index (BMI) 18.5–24.9 kg/m². Exclusions: known diabetes, cardiovascular disease, kidney failure, malignancy, pregnancy or lactation, diuretic or glucocorticoid use. Participants were classified as metabolically healthy normal weight (MHNW) or unhealthy (MUHNW).

Primary and secondary outcome measures

The primary outcome was the association between body composition and anthropometric indices with metabolic status. The secondary outcome was identification of the strongest predictors of MUHNW. Body composition was assessed by bioelectrical impedance analysis to obtain fat mass (FM), body fat percentage (BFP), skeletal muscle mass percentage (SMM%), fat mass index (FMI), fat-free mass index, skeletal muscle indices and the fat-to-muscle mass ratio (FMR). Anthropometric measures included waist circumference (WC) and waist-to-hip ratio (WHR). Associations were examined using logistic regression adjusted for age, smoking and physical activity.

Results

Mean age: 37.5±12.8 y; MUHNW participants were older than MHNW (44.5±13.2 vs 35.8±12.1 years, p

Conclusions

BMI, WC, WHR and body fat indices were positively associated with metabolically unhealthy status among normal-weight adults of both sexes. WHR was the strongest predictor, highlighting its value for identifying at-risk individuals where advanced body composition tools are unavailable.

Factors Affecting Patient Safety Near Miss Reporting: A Systematic Review

ABSTRACT

Aim

To explore individual and organisational factors affecting near-miss reporting in healthcare settings.

Design

Systematic review following the PRISMA 2020 guidelines.

Data Sources

Five electronic databases from 2013 to 2024 studies published were searched.

Methods

A comprehensive search was conducted across PubMed, Web of Science, MEDLINE, Scopus and OpenAlex, covering English, full-text literature from 2013 to 2024. Inclusion criteria focused on studies investigating factors influencing near-miss reporting in healthcare. The risk of bias was assessed using the Risk of Bias in Non-randomised Studies of Interventions tool. Data were synthesised using the Health Belief Model and the Hospital Patient Safety Culture framework.

Results

A total of 20 studies were included. Key individual barriers to near-miss reporting included a lack of knowledge and negative perceptions. Organisational factors, including hospital safety culture, leadership support, error communication, and non-punitive responses to reporting, significantly impacted reporting behaviours.

Conclusion

Promoting a structured and supportive reporting culture, educational initiatives, and simplified reporting mechanisms can improve near-miss reporting practices.

Implications for the Profession and/or Patient Care

Improving near-miss reporting practices by addressing identified barriers can lead to safer healthcare environments and better patient outcomes.

Impact

This paper addresses a gap in the literature regarding near-miss underreporting. The findings will have an impact on healthcare administrators, healthcare professionals, and ultimately, patients. Implementing strategies such as peer mentoring and constructive feedback, targeted training and simplified reporting systems can encourage consistent near-miss reporting. These efforts will ultimately lead to safer healthcare environments and improved patient outcomes.

Reporting Method

The review methodology, including data selection, extraction and synthesis, follows PRISMA standards to ensure clarity, transparency and reproducibility.

Patient or Public Contribution

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

Trial Registration

This systematic review has been registered with the OSF and is publicly available at https://doi.org/10.17605/OSF.IO/EJGY2

Implementation Outcomes and Their Determinants for Hospital‐Led Care Coordination Interventions Targeting Patients With Complex Care Needs: A Qualitative Systematic Review

ABSTRACT

Aim

To describe the implementation determinants for care coordination interventions in a hospital context.

Design

Systematic review.

Methods

This review was guided by the Consolidated Framework of Implementation Research (CFIR), assessed for quality using the Mixed Methods Appraisal Tool and reported with the PRISMA guidelines.

Data Sources

CINHAL Complete, EMBASE, MEDLINE Complete, PsychINFO (between January 1, 2013, and December 31, 2022, and updated May 09, 2024) and a manual reference list search of all included studies.

Results

The search returned 5614 articles after duplicates were removed. After title and abstract screening, 264 articles underwent full-text review. Sixteen studies (15 care coordination models) met the inclusion criteria. The CFIR inner setting domain and the implementation process domain were the most prominent domains and ‘Partnerships & Connections’, ‘Work Infrastructure’, ‘Capability’ and ‘Reflecting and Evaluating’ subdomains emerged as important determinants across the included studies.

Conclusion

Inconsistent findings relating to care coordination outcomes are likely to be substantially influenced by the complexity and heterogeneity of the interventions and variations in implementation and contextual factors. Intra- and inter-organisational relationships were important to connect previously disconnected parts of the health system and were facilitated by experienced care coordinators. Continual improvement was also important to increase fit with contextual factors. More high-quality studies are needed to identify commonalities and provide generalisable principles and characteristics associated with high-performance implementation.

Implications for the Profession and/or Patient Care

Review findings will provide practitioners, policymakers, and researchers with a comprehensive synthesis of evidence underpinning implementation of effective community care coordination from hospital settings.

Impact

These review findings will inform the effective implementation of care coordination interventions in a hospital context for patients with complex multimorbidity.

Reporting Methods

Preferred Reporting Items for Systematic reviews and Meta-Analysis.

Trial and Registration

PROSPERO Registration: CRD42022376642.

Patient or Public Contribution

No patient or public Contribution.

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