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Hoy — Octubre 2nd 2025Tus fuentes RSS

The impact of wildfires on the diet of <i>Podarcis lusitanicus</i> revealed by DNA metabarcoding

by Catarina Simões, Diana S. Vasconcelos, Raquel Xavier, Xavier Santos, Catarina Rato, D. James Harris

Fire has long been recognized as an important ecological and evolutionary force in plant communities, but its influence on vertebrate community ecology, particularly regarding predator-prey interactions, remains understudied. This study reveals the impact of wildfires on the diet of Podarcis lusitanicus, a lizard species inhabiting a fire-prone region in the Iberian Peninsula. In order to explore diet variability associated with different local burn histories, we evaluated P. lusitanicus diet across three types of sites in Northern Portugal: those had not burned since 2016, those burned in 2016, and those more recently burned in 2022. Podarcis lusitanicus is a generalist arthropod predator with dietary flexibility. Given the turnover of arthropod species after fire, it is expected to find variations in diet caused by different fire histories, especially between unburned and recently burned sites. From DNA metabarcoding of faecal samples, our study revealed that while prey richness remained unaffected by wildfire regime, significant shifts occurred in diet composition between more recently burned and unburned areas. Specifically, we found that differences in diet composition between these two fire regimes were due to the presence of Tapinoma ants and jumping spiders (Salticus scenicus). These prey were present in the diets of lizards occupying unburned areas, while these were absent in areas burned in 2022. Interestingly, diets in unburned areas and areas burned in 2016 showed no significant differences, highlighting the lizards’ ecological flexibility and the habitat’s resilience over time. The ant species T. topitotum was found in dominance in both burned areas, suggesting that this species may be fire tolerant. In addition, families such as Cicadellidae and Noctuidae were found to be more associated with more recently burned areas. The use of DNA metabarcoding in this study was essential to provide a more detailed and accurate view of predator-prey interactions in ecosystems susceptible to fire, and therefore a better understanding of changes in prey consumption in this fire-adapted ecosystem.

Occurrence of advance care planning for persons with dementia, cancer and other chronic-progressive diseases in general practice: longitudinal analysis of data from health records linked with administrative data

Por: Hommel · D. · Azizi · B. · Visser · M. · Bolt · S. R. · Blom · J. W. · Janssen · D. J. A. · van Hout · H. P. J. · Francke · A. L. · Verheij · R. A. · Joling · K. J. · van der Steen · J. T.
Objectives

There are substantial barriers to initiate advance care planning (ACP) for persons with chronic-progressive disease in primary care settings. Some challenges may be disease-specific, such as communicating in case of cognitive impairment. This study assessed and compared the initiation of ACP in primary care with persons with dementia, Parkinson’s disease, cancer, organ failure and stroke.

Design

Longitudinal study linking data from a database of Dutch general practices’ electronic health records with national administrative databases managed by Statistics Netherlands.

Setting and participants

Data from general practice records of 199 034 community-dwelling persons with chronic-progressive disease diagnosed between 2008 and 2016.

Outcome measure

Incidence rate ratio (IRR) of recorded ACP planning conversations per 1000 person-years in persons with a diagnosis of dementia, Parkinson’s disease, organ failure, cancer or stroke, compared with persons without the particular diagnosis. Poisson regression and competing risk analysis were performed, adjusted for age, gender, migration background, living situation, frailty index and income, also for disease subsamples.

Results

In adjusted analyses, the rate of first ACP conversation for persons with organ failure was the lowest (IRR 0.70 (95% CI 0.68 to 0.73)). Persons with cancer had the highest rate (IRR 1.75 (95% CI 1.68 to 1.83)). Within the subsample of persons with organ failure, the subsample of persons with dementia and the subsample of stroke, a comorbid diagnosis of cancer increased the probability of ACP. Further, for those with organ failure or cancer, comorbid dementia decreased the probability of ACP.

Conclusions

Considering the complexity of initiating ACP for persons with organ failure or dementia, general practitioners should prioritise offering it to them and their family caregivers. Policy initiatives should stimulate the implementation of ACP for people with chronic-progressive disease.

Efficacy of a mobile app-based intervention to improve eating behaviours and lifestyle in infants of mothers with metabolic risk factors: study protocol of a randomised controlled trial

Por: Chan · D. · Leong · K. · Ong · C. · Ku · C. W. · Chan · J. K. Y. · Chua · M. C. · Yap · F. · Loy · S. L.
Introduction

Childhood obesity has surged globally, leading to various metabolic comorbidities and increased cardiovascular risks. Early intervention in lifestyle and feeding practices during infancy is crucial to mitigate these risks. This study evaluates the efficacy of a mobile web app-based intervention tool, named the Feeding, Lifestyle, Activity Goals (FLAGs) to promote healthier eating behaviours and lifestyle habits in infants from birth to 12 months.

Methods and analysis

This two-arm randomised controlled trial will enrol 220 caregiver-infant pairs per arm at KK Women’s and Children’s Hospital, Singapore, with recruitment expected from January to December 2025. Eligible participants include women at ≥34 weeks’ gestation or up to 3 days post delivery with pre-pregnancy overweight/obesity (body mass index (BMI) >23 kg/m2) and/or a diagnosis of diabetes. Caregiver-infant pairs will be randomised to the FLAGs intervention or control group. Over 12 months, both groups will receive standard infant care. The intervention group will undergo regular assessments via the FLAGs web app built-in assessment tool, assessing infant feeding practices, sedentary behaviour and physical activity. The intervention group will also receive FLAGs personalised guidance and weekly digital nudges. Maternal and infant data will be collected at baseline and at 12 months. Primary outcomes are infant BMI, weight-for-length and body composition at 12 months. Secondary outcomes include lifestyle behaviours and eating habits assessed through validated questionnaires when the infants are 1 year old. We will perform both intention-to-treat and per protocol analysis.

Ethics and dissemination

Ethical approval has been obtained from the SingHealth Centralised Institutional Review Board (Ref: 2024/3224). Written informed consent will be obtained from all participants. Study findings will be disseminated via peer-reviewed publications and academic conferences, with de-identified data available on reasonable request. This trial is registered on ClinicalTrials.gov (ID: NCT06457750).

Trial registration number

NCT06457750.

Burnout and job stress in healthcare professionals: a single-centre cross-sectional study in an East China tertiary hospital after COVID-19 policy adjustment

Por: Ji · W. · Liu · Y. · Sun · Q. · Wu · D. · Liu · T. · Sun · P.
Objectives

To examine the relationship between job stress and job burnout among healthcare professionals (HPs) in a tertiary hospital in East China following the adjusted COVID-19 prevention policies and to explore the effects of demographic and work environment factors on burnout and its subtypes (emotional exhaustion (EE), depersonalisation (DP), personal accomplishment (PA)).

Design

Cross-sectional, using a questionnaire-based survey method.

Setting

A tertiary hospital located in Qingdao, East China.

Participants

A total of 434 HPs were included, with 138 men (31.8%) and 296 women (68.2%); the mean age was 35.05±7.96 years. Participants included physicians (37.1%), clinical nurses (49.5%), clinical pharmacists (3.9%), medical technicians (5.1%) and administrative staff (4.4%). Demographic factors (age, sex, marital status, education level, professional title, length of employment, income) and work-related factors (weekly working hours, sleep duration) were collected.

Interventions

No specific interventions were implemented; this was an observational study focusing on the burnout assessment and associated factors.

Primary and secondary outcome measures

Primary outcomes: burnout levels assessed via the Chinese version of the Maslach Burnout Inventory—Human Services Survey (MBI-HSS), including three subscales: EE (9 items), DP (5 items) and PA (8 items). Severe burnout was defined as meeting ‘high-level’ criteria for all three subscales (EE ≥27, DP ≥10, PA ≤33).

Secondary outcomes: demographic (sex, professional role, length of employment) and work-related (weekly working hours, daily sleep duration) factors associated with burnout.

Results

Among 434 HPs, 74 (17.1%) experienced severe burnout. The median scores of MBI-HSS subscales were 17 (IQR: 9–27) for EE, 3 (IQR: 0–7) for DP and 37 (IQR: 27.75–43) for PA. Multivariate logistic regression showed that: nurses had a higher risk of high EE than physicians (OR=2.86, 95% CI: 1.32 to 6.21, p40 hours (OR=2.30, 95% CI: 1.32 to 3.99, p

Conclusions

A high prevalence of severe burnout (17.1%) was observed among HPs after COVID-19 policy adjustment. Key risk factors include being a nurse, long working hours (>40 hours/week), short sleep duration (

Understanding structured medication reviews delivered by clinical pharmacists in primary care in England: a national cross-sectional survey

Por: Agwunobi · A. J. · Seeley · A. E. · Tucker · K. L. · Bateman · P. A. · Clark · C. E. · Clegg · A. · Ford · G. · Gadhia · S. · Hobbs · F. D. R. · Khunti · K. · Lip · G. Y. H. · de Lusignan · S. · Mant · J. · McCahon · D. · Payne · R. A. · Perera · R. · Seidu · S. · Sheppard · J. P. · Willia
Objectives

This study explored how Structured Medication Reviews (SMRs) are being undertaken and the challenges to their successful implementation and sustainability.

Design

A cross-sectional mixed methods online survey.

Setting

Primary care in England.

Participants

120 clinical pharmacists with experience in conducting SMRs in primary care.

Results

Survey responses were received from clinical pharmacists working in 15 different regions. The majority were independent prescribers (62%, n=74), and most were employed by Primary Care Networks (65%, n=78), delivering SMRs for one or more general practices. 61% (n=73) had completed, or were currently enrolled in, the approved training pathway. Patient selection was largely driven by the primary care contract specification: care home residents, patients with polypharmacy, patients on medicines commonly associated with medication errors, patients with severe frailty and/or patients using potentially addictive pain management medication. Only 26% (n=36) of respondents reported providing patients with information in advance. The majority of SMRs were undertaken remotely by telephone and were 21–30 min in length. Much variation was reported in approaches to conducting SMRs, with SMRs in care homes being deemed the most challenging due to additional complexities involved. Challenges included not having sufficient time to prepare adequately, address complex polypharmacy and complete follow-up work generated by SMRs, issues relating to organisational support, competing national priorities and lack of ‘buy-in’ from some patients and General Practitioners.

Conclusions

These results offer insights into the role being played by the clinical pharmacy workforce in a new country-wide initiative to improve the quality and safety of care for patients taking multiple medicines. Better patient preparation and trust, alongside continuing professional development, more support and oversight for clinical pharmacists conducting SMRs, could lead to more efficient medication reviews. However, a formal evaluation of the potential of SMRs to optimise safe medicines use for patients in England is now warranted.

Co-designing, evaluating and implementing online supportive care for endometriosis in Australia: study protocol for the hybrid type 1 effectiveness, cost-effectiveness and implementation randomised controlled trial of the CodeEndo program

Por: Mikocka-Walus · A. · Naude · C. · Coitinho Biurra · Y. · Blake · L. · Bowring · J. · De Araugo · S. · Bassili · A. · Bennetts · S. K. · Hutchinson · A. M. · Ng · C. H. M. · Prasertsung · C. · Skvarc · D. · Aras · D. · Ciccia · D. · O · E. · Jacka · F. · Staudacher · H. M. · Varney · J. · A
Introduction

Endometriosis is a chronic condition affecting up to 11% of people presumed female at birth by the age of 44 years, characterised by the growth of tissue similar to the lining of the uterus on other organs. Endometriosis significantly impacts health-related quality of life (HRQoL) and imposes a substantial burden on both individuals and the healthcare system. International guidelines recommend the interdisciplinary management of endometriosis due to its significant biopsychosocial burden; however, research aimed at exploring psychological approaches for endometriosis is limited. This trial aims to evaluate the effectiveness of CodeEndo, an online co-designed interdisciplinary supportive care program, compared with a waitlist control (WLC), on HRQoL and biopsychosocial outcomes in people with a diagnosis of endometriosis.

Methods and analysis

A hybrid type 1 effectiveness and implementation randomised controlled trial (RCT) will be conducted. Eligible participants will be randomly allocated to either the CodeEndo program (n=176) or WLC group (n=176) for 8 weeks. The primary outcome will be HRQoL, and secondary outcomes will include psychological symptoms (anxiety, depression, stress), self-efficacy, menstrual, bladder and gastrointestinal symptoms, pain, fatigue, sleep, exercise, diet, symptom bothersomeness and physical and psychological well-being, measured at 8 weeks post-randomisation (T2) and 6-month follow-up (T3). Cost-effectiveness will also be examined. Longitudinal qualitative individual interviews (up to n=40) will be conducted with participants who complete the CodeEndo program to explore benefits, barriers and facilitators of ongoing use. Additionally, the CodeEndo program will undergo evaluation by a group of endometriosis healthcare providers, who will assess potential barriers and facilitators to its real-world implementation. Various process evaluation strategies will also be measured to inform future implementation. Data analyses will incorporate mixed-effects regression models on an intention-to-treat basis, cost-consequences and cost-utility, dietary and qualitative thematic analysis.

Ethics and dissemination

This protocol received ethics approval from Deakin University Research Ethics Committee (DUREC Ref: 2024-157). Dissemination is expected to include peer-reviewed journal articles, reports, conference presentations as well as websites or social media platforms of relevant chronic pain organisations. Participants will be sent a summary of trial results.

Trial registration number

ACTRN12623000598684p.

Assessing the impact of the COVID-19 pandemic among internally displaced persons in Burkina Faso, Mali and Niger: a cross-sectional study using respondent-driven sampling

Por: Pham · P. N. · Keegan · K. · Johnston · L. G. · Diallo · D. Y. · OMealia · T. · Goh · M. · Vinck · P.
Objectives

Documenting evidence on global health strategies and programmes that provide safeguards for vulnerable populations and strengthen overall pandemic preparedness is essential. This study aimed to identify factors associated with adherence to COVID-19 mitigation measures, COVID-19-related symptoms and testing, as well as pandemic-related income loss among internally displaced persons (IDPs) in urban and remote areas of Burkina Faso, Niger and Mali.

Design

This cross-sectional study used fixed-site respondent-driven sampling (RDS).

Setting

Primary care settings across six urban and remote locations in Burkina Faso, Mali and Niger.

Participants

4144 internally displaced adults, who had been forced from their homes within 5 years of the survey, participated in the study. The survey was conducted between August and October 2021 in two selected locations in three countries: Kaya (n=700) and Ouahigouya (n=715) in Burkina Faso; Bamako (n=707) and Ménaka (n=700) in Mali; and Niamey (n=733), and Diffa (n=589) in Niger. Participants were included if they were born in the study countries, displaced due to conflict, violence or disaster, aged 18 years or older, and living or working in the study site for at least 1 month.

Primary and secondary outcome measures

The primary outcomes measured were adherence to COVID-19 mitigation measures, presence of COVID-19 symptoms, COVID-19 testing and vaccination rates and pandemic-related income loss.

Results

Among 4144 IDPs surveyed across 6 sites in Burkina Faso, Mali and Niger, over half (52%) reported experiencing at least one COVID-19 symptom in the preceding 2 weeks. However, 8% had ever been tested for COVID-19, and fewer than 5% had received a vaccine in all sites except Diffa, where 54% reported vaccination. While willingness to be vaccinated was high (ranging from 56.6% in Bamako to 89.5% in Niamey), access remained limited. Compliance with public health measures varied; for example, 41.7% of IDPs were able to maintain physical distance from non-household members, and just 60.2% reported wearing a mask. Chronic health conditions were consistently associated with higher odds of COVID-19 symptoms (Ménaka OR: 14.65; 95% CI: 7.36 to 29.17). Economic vulnerability was widespread, with more than half of IDPs in Bamako (58.1%) and Niamey (66.4%) reporting income loss due to the pandemic, and average monthly income declining by over 50% in most sites. IDPs in urban areas generally reported greater exposure to COVID-19 risk factors, while those in remote settings reported lower adherence and poorer access to basic preventive measures.

Conclusions

This is the first known RDS study to explore the impact of the COVID-19 pandemic on IDPs. Findings suggest that IDPs in urban areas may face heightened risks of exposure and infection, underscoring the need to prioritise them in public health efforts. Low testing and vaccination rates and significant income loss call for advocacy and economic relief to address these vulnerabilities. Future pandemic responses should integrate health interventions with targeted support, especially mitigating income loss to bolster IDPs’ resilience.

Patient navigation programmes in cancer care in Africa: protocol for a scoping review

Por: Igibah · C. O. · Asogun · D. O. · Okoduwa · B. · Uzoma · V. I. · Agbabi · O. M. · Osinaike · T. · Shittabey · M.-S. K. · Oigiangbe · M. E. · Lawal · Q. O.
Introduction

Cancer remains a major public health concern worldwide. Patient navigation, developed in the 1990s to address disparities in cancer outcomes, aims to guide patients through the complex healthcare system and improve access to timely, quality care. Despite its proven benefits, little is known about the implementation or impact of patient navigation programmes in African settings.

This scoping review aims to map the current evidence on components, procedures, outcomes and impact, as well as barriers and challenges to implementation of patient navigation programmes in cancer care across Africa.

Methods and analysis

This scoping review will follow Arksey and O’Malley’s scoping review framework, as further developed by Levac et al. A systematic search will be conducted across PubMed, African Journals Online and Google Scholar to identify relevant studies published from database inception to the date of the final search, using a combination of relevant keywords and MeSH terms. Eligible studies must be reported in English, have been carried out in Africa, involved patients diagnosed with cancer or navigating the cancer care continuum, and report on the description, implementation or evaluation of patient navigation programmes. Screening will be managed with Rayyan and carried out through a two-stage process: screening by titles and abstracts, then by full-text screening based on the prespecified inclusion and exclusion criteria. Data will be extracted into a structured Excel spreadsheet and synthesised using qualitative content analysis to identify programme characteristics, outcomes, barriers and implementation challenges.

Ethics and dissemination

This scoping review does not require ethical approval. Our findings will be published in a peer-reviewed, open-access journal on completion.

Effect of liposomal bupivacaine combined with bupivacaine hydrochloride for transversus thoracic muscle plane block and pectoral nerves block in modified radical mastectomy for breast cancer: protocol for a randomised controlled trial

Por: Zhou · J. · Zhou · R. · Tang · S.-H. · Chen · Z. · Zhang · J. · Yang · D.
Introduction

The incidence of acute pain subsequent to modified radical mastectomy (MRM) for breast cancer approximates 40%, with more than half of these cases evolving into chronic pain. Currently, the commonly employed analgesic schemes in clinical practice still have inadequacies. Liposomal bupivacaine (LB) is bupivacaine encapsulated in liposomes, and it is reported that its duration of action can extend up to 72 hours. This study will investigate the analgesic efficacy of LB in combination with bupivacaine hydrochloride (BHCl) for transversus thoracic muscle plane (TTP) block and pectoral nerves (PECS) block after MRM for breast cancer.

Methods and analysis

In this prospective, randomised, controlled trial, we will enrol 80 female patients aged 30 to 65 years who are scheduled to undergo MRM under general anaesthesia in combination with nerve block. They will be randomly assigned in a 1:1 ratio to the LB+BHCl group (Group A) and the BHCl group (Group B). All patients will undergo ultrasound-guided TTP+PECS block prior to surgery. The primary outcomes are the cumulative pain visual analogue scale (VAS) scores from 6 to 72 hours post-surgery and the quality of recovery, assessed using the QoR-40 score at 72 hours post-surgery. The secondary outcomes include the time to first analgesic rescue, the consumption of analgesic drugs within 72 hours postoperatively, the occurrence of adverse events and the VAS scores at 6 and 12 months postoperatively.

Ethics and dissemination

Ethical approval was obtained from the Ethics Committee of the Affiliated Hospital of Yangzhou University (2024 Ke Lun Shen (2024-07-01)). All patients will provide written informed consent. The results of this study will be published in a peer-reviewed journal.

Trial registration number

Chinese Clinical Trial Registry (ChiCTR2400089933).

Study protocol for a prospective diagnostic accuracy study to assess the feasibility and diagnostic accuracy of serial ankle handheld Doppler waveform assessment (Ankle HHD) for surveillance after lower-limb revascularisation: WAVE study

Por: Alodayni · H. M. · Smith · S. · Poushpas · S. · Swagell · K. · Mandic · D. · Johnson · N. A. · Jaffer · U. · Davies · A. · Normahani · P.
Introduction

Peripheral arterial disease (PAD) affects approximately one in five people over 60 in the UK. In severe cases, revascularisation, such as surgical bypass or endovascular methods, is often required to restore limb perfusion. Between 2000 and 2019, 527 131 revascularisation procedures were carried out in the UK. Postprocedural surveillance is essential to detect restenosis and maintain vessel patency. However, standard surveillance using duplex ultrasound (DUS) is resource intensive. Ankle Doppler waveform assessment is quick, inexpensive and accurate for PAD diagnosis, yet its role in postrevascularisation surveillance remains unexplored. This study aims to evaluate the diagnostic accuracy of ankle handheld Doppler waveform assessment (ankle HHD) for detecting restenosis after lower limb revascularisation, as compared with formal DUS.

Methods and analysis

This is a prospective diagnostic accuracy study (ClinicalTrials.gov Identifier NCT06619223). We aim to recruit 121 people with PAD undergoing planned lower limb revascularisation at Imperial College Healthcare NHS Trust. Follow-up assessments will take place at 3 months, 6 months and 12 months post revascularisation. At each visit, a vascular scientist will perform the index test (Ankle HHD) followed by DUS as the reference standard. A subset of participants will undergo repeat testing to assess interobserver and intraobserver reliability. Restenosis will be defined as one or more arterial lesions of ≥50% stenosis or tandem lesions with a combined value of ≥50%. The primary outcome is the sensitivity of ankle Doppler waveform assessment for detecting restenosis, compared with DUS.

Ethics and dissemination

The study has received approval from Health Research Authority (HRA) and Health and Care Research Wales (REC reference 24/LO/0462). Results will be disseminated through research presentations and papers.

Trial registration number

ClinicalTrials.gov, NCT06619223.

Time to first optimal glycaemic control and associated factors among adult patients with diabetes at the University of Gondar Comprehensive Specialized Hospital, northwest Ethiopia: a retrospective cohort study

Por: Getahun · A. D. · Ayele · E. M. · Tsega · T. D. · Anberbr · S. S. · Geremew · G. W. · Biyazin · A. A. · Taye · B. M. · Mekonnen · G. A.
Objective

To assess the time to first optimal glycaemic control and its predictors among adult patients with type 1 and type 2 diabetes at the University of Gondar Comprehensive Specialized Hospital in Ethiopia.

Design

A retrospective cohort study.

Setting

University of Gondar Comprehensive Specialized Hospital, northwest, Ethiopia.

Participants

We recruited 423 adult diabetic patients who were diagnosed between 1 January 2018 and 30 December 2022 at the University of Gondar Comprehensive Specialized Hospital.

Outcome measures

The primary outcome was the time from diagnosis to the achievement of the first optimal glycaemic control, measured in months. A Cox proportional hazards regression model was fitted to identify predictors of time to first optimal glycaemic control. Data were collected with KoboToolbox from patient medical charts and exported to Stata V.17. The log-rank test was used to determine the survival difference between subgroups of participants.

Results

Median time to first optimal glycaemic control was 10.6 months. Among 423 adult diabetic patients, 301 (71.16%) achieved the first optimal glycaemic control during the study period. Age category (middle age (adjusted HR (AHR)=0.56, 95% CI 0.41 to 0.76), older age (AHR=0.52, 95% CI 0.33 to 0.82)), comorbidity (AHR=0.52, 95% CI 0.35 to 0.76), therapeutic inertia (AHR=0.20, 95% CI 0.13 to 0.30) and medication non-compliance (AHR=0.49, 95% CI 0.27 to 0.89) were significant predictors of time to optimal glycaemic control.

Conclusion

The median time to first optimal glycaemic control was prolonged. Diabetic care should focus on controlling the identified predictors to achieve optimal glycaemic control early after diagnosis.

MINMON-J: a hybrid implementation pilot study evaluating a low-barrier hepatitis C treatment model in a jail setting

Por: Berk · J. · Fu · E. S. · Murphy · M. · Akiyama · M. J. · Sulkowski · M. · Rich · J. D. · Frank · H. E.
Introduction

Hepatitis C virus (HCV) remains a leading cause of infectious disease-related morbidity in the USA, disproportionately affecting people who inject drugs and people who are incarcerated. Despite the availability of highly effective, highly tolerated direct-acting antivirals, treatment uptake in jails remains limited due to short stays, unpredictable release dates and system-level barriers. The original MINMON trial demonstrated that a low barrier ‘minimal monitoring"’ model can achieve high cure rates in community settings. This study, MINMON-J, aims to adapt and evaluate a modified version of the MINMON model for use in a jail setting, addressing the urgent need for scalable, low-barrier treatment approaches among justice-involved individuals.

Methods and analysis

MINMON-J is a single-arm, hybrid effectiveness-implementation pilot study protocol planned to recruit at the Rhode Island Department of Corrections. 40 people who are incarcerated with positive HCV RNA, who are treatment-naïve, without cirrhosis and awaiting trial, will receive 12 weeks of sofosbuvir/velpatasvir with no required lab monitoring during treatment. If released before treatment completion, participants will receive their remaining medication at discharge. Community health workers will provide post-release support. Mixed-methods evaluation will be guided by the Reach, Effectiveness, Adoption, Implementation and Maintenance/Practical, Robust Implementation and Sustainability Model framework. Primary outcomes include feasibility, acceptability and adherence. Data will be collected through administrative records, surveys (Acceptability of Intervention Measure, Feasibility of Intervention Measure, Brief Adherence Rating Scale) and qualitative interviews with participants and other relevant parties. This study was reviewed and approved by the Brown University Health Institutional Review Board (2240400) and the Rhode Island Department of Corrections Medical Research Advisory Group.

Ethics and dissemination

This study was reviewed and approved by the Brown University Health Institutional Review Board (2240400) and the Rhode Island Department of Corrections (RIDOC) Medical Research Advisory Group. All participants will provide written informed consent prior to enrolment. People who are incarcerated will be assured that participation is voluntary, will not impact their clinical care and that they may withdraw at any time without penalty. Study procedures follow ethical principles outlined in the Declaration of Helsinki and comply with federal regulations regarding research involving vulnerable populations.

Dissemination of findings will include peer-reviewed publications and presentations at national conferences focused on infectious diseases, implementation science and/or correctional health. Lay summaries will be shared with RIDOC leadership and community partners. De-identified data and associated metadata may be archived in a publicly accessible repository in accordance with National Institutes of Health data sharing policies, contingent on final institutional review board approval and participant protections.

Trial registration number

NCT06953479.

New regimens of benznidazole for the treatment of chronic Chagas disease in adult participants in indeterminate form or with mild cardiac progression (NuestroBen study): protocol for a phase III randomised, multicentre non-inferiority clinical trial

Por: Marques · T. · Forsyth · C. · Barreira · F. · Lombas · C. · Blum de Oliveira · B. · Laserna · M. · Molina · I. · Bangher · M. d. C. · Javier Fernandez · R. · Lloveras · S. · Fernandez · M. L. · Scapellato · P. · Patterson · P. · Garcia · W. · Ortiz · L. · Schijman · A. · Moreira · O. C.
Introduction

Chagas disease (CD) is one of the most neglected diseases in the world. In Latin America, CD is endemic in 21 countries, with an estimated 70 million people at risk of infection. Current treatments are limited to two nitroheterocyclic compounds: nifurtimox and benznidazole (BZN). Each has significant limitations, including long duration and safety concerns. However, data from recently completed studies suggest that reduced-duration regimens may be equally effective while enhancing safety.

Methods and analysis

NuestroBen is a phase III, randomised, multicentre clinical trial designed to assess whether shorter (2- and 4-week) regimens of BZN are non-inferior to the standard 8-week treatment. A total of 540 adult participants with no evidence of organ damage (the indeterminate form) or with mild cardiac progression (mild electrocardiographic alterations and without systolic dysfunction or symptoms), all in the chronic phase of CD, will be recruited at six study sites in Argentina and two study sites in Bolivia. Participants will be randomised to receive one of the two shortened regimens of BZN (300 mg per day for 2 or 4 weeks) or standard treatment (300 mg per day for 8 weeks). The primary endpoint is sustained elimination of parasitaemia from the end of treatment through 12 months of follow-up. Secondary endpoints will assess sustained clearance of parasitaemia at 1, 4, 6 and 8 months of follow-up from the end of treatment, drug tolerability and adherence to treatment. NuestroBen will also evaluate whether two shortened regimens of BZN improve drug tolerability and treatment adherence compared with the current standard treatment while maintaining efficacy in participants with the indeterminate form of CD or with mild cardiac involvement.

Ethics and dissemination

In Argentina, this study was approved by Fundación de Estudios Farmacológicos y Medicamentos ‘Luis M. Zieher’ for its conduct at the Instituto de Cardiología de Corrientes ‘Juana Francisca Cabral’ (reference: NuestroBen-2020/2021) and the Instituto Nacional de Parasitología ‘Dr. Mario Fatala Chaben’ (reference: NuestroBen-2020/2021) by Comité Institucional de Ética de Investigación en Salud for the Centro de Chagas y Patología Regional de Santiago del Estero (reference: NuestroBen-2020-088/2021), by Comité de Ética en Investigación for the Hospital de Infecciosas F.J. Muñiz (reference: NuestroBen-2020–4037) and the Hospital General de Agudos D.F. Santojanni (reference: NuestroBen-2020–4039) and by Comité de Bioética for the Fundación Huésped (reference: NuestroBen-2020/2021). In Bolivia, it was approved by Comité de Ética en Investigación en Salud from the Universidad Autónoma Juan Misael Saracho (reference: NuestroBen-2020/2025). All participants are asked to provide written informed consent to participate. Recruitment processes started in July 2023, and as of 15 June 2025, 140 participants have been recruited. Findings will be shared with Argentinian and Bolivian public health officials and with the Chagas and tropical medicine communities via international conferences. Findings will also be published in medical journals.

Trial registration number

NCT04897516.

Feasibility of respondent-driven sampling to recruit participants with recent abortion experiences in humanitarian contexts: a mixed-methods community-engaged research study

Por: Jayaweera · R. T. · Odhoch · L. · Nabunje · J. · Oduor · C. · Zuniga · C. · Powell · B. · Barasa · W. · Aber · F. · Nyalwal · B. · Kakesa · J. · Wado · Y. D. · Ouedraogo · R. · Fetters · T.
Objective

This study aims to assess the feasibility of respondent-driven sampling (RDS) to recruit participants with recent abortion experiences in humanitarian contexts, and describe the composition of the study sample generated with this sampling method.

Design

This was a three-phase mixed-methods community-engaged research study employing an exploratory and explanatory sequential approach. We conducted in-depth interviews, focus group discussions, an interviewer-administered questionnaire on abortion experiences and a health facility assessment.

Setting

Bidibidi Refugee Settlement, Uganda and Kakuma Refugee Camp, Kenya from November 2021 to December 2022.

Participants

Using RDS, we recruited 600 participants in Kakuma and 601 participants in Bidibidi with recent abortion experiences. In Kakuma, participants were primarily from Burundi, the Democratic Republic of the Congo and South Sudan; participants in Bidibidi were primarily from South Sudan. Most participants in both sites had completed at least some primary school and were not employed.

Outcome measures

RDS recruitment dynamics: convergence and bottlenecks on key sociodemographic variables, recruitment and population homophily, reciprocity of social ties, success and experiences recruiting.

Results

There were minor violations of RDS assumptions, particularly regarding assumptions of reciprocity of ties and seed composition independent of sample. In addition, there was a strong tendency of participants to recruit those from the same home country and living within the same camp zone. However, sample proportions for age, home country, marital status, zone of residence and student status reached equilibrium (stabilised) by around 500 participants at each site, and we were able to quickly attain the study sample size.

Conclusions

While the true representativeness of our sample remains unknown, RDS is a practical and effective recruitment method in humanitarian contexts for sensitive topics, particularly for research questions in which no data or sampling frames exist. However, attention to representativeness and community engagement is essential to optimising its application and ensuring success.

Psychosocial factors and patient experience associated with diabetes treatment discontinuation: a cross-sectional study in Japan

Por: Kuwabara · Y. · Taniguchi · S.-I. · Hosoda-Urban · T. · Son · D. · Kinjo · A. · Kim · H. · Kaneda · Y. · Osaki · Y.
Objectives

The prevention of treatment discontinuation is crucial in mitigating the adverse consequences of diabetes. This study aimed to identify the psychosocial factors and patient experiences associated with the discontinuation of diabetes treatment.

Design

A cross-sectional study was conducted.

Setting

A nationwide online survey with convenience sampling.

Participants

Participants, aged 40–79 years, who reported living with diabetes, were included.

Primary and secondary outcome measures

Treatment continuation status was the outcome variable. Participants who previously received regular treatment but were not currently under medical care were classified as the treatment discontinuation group. Psychological factors (mood and anxiety disorders, self-esteem, procrastination), social factors (loneliness, economic difficulties, adverse childhood experiences) and patient experiences and opinions regarding diabetes were assessed.

Results

A total of 4715 individuals were included in the analysis. After adjusting for confounders, psychological distress (adjusted OR (AOR)=1.87, 95% CI (1.06 to 3.30), p=0.032) and higher procrastination (AOR=2.64, 95% CI (1.25 to 5.56), p=0.011) were significantly associated with treatment discontinuation. Overall, 9.7% of participants reported financial hardship, and 12.1% reported diabetes burnout during their course of treatment. Financial hardships (p=0.002), difficulty with child or older adult care (p

Conclusions

Psychological distress and higher procrastination levels were significantly associated with diabetes treatment discontinuation, after adjusting for potential confounders. The treatment discontinuation group reported significantly more psychosocial challenges than the continuation group. Healthcare providers and systems should prioritise addressing the psychosocial characteristics, experiences and challenges faced by individuals with diabetes.

Exploring the correlation between knowledge of multiple sclerosis, medication beliefs, access to care and depression in MS patients: a cross-sectional study

Por: Muflih · S. · Albtoush · D. A. · Al-Shatnawi · S. F. · Alshogran · O. Y. · Abu-Saleh · S. Y. · Alabbadi · I. · Al Bawab · A. Q.
Background

Multiple sclerosis (MS) is a common autoimmune illness that causes inflammation, demyelination and neurological damage. Symptom relief and immunotherapy are part of the treatment, but several healthcare barriers significantly influence outcomes and quality of life.

Objectives

This study aimed to assess different aspects among patients with MS, such as their knowledge of the disease, access to care, medications’ beliefs and depression, and to evaluate any correlations between these variables and their impact on the presence of depression.

Methods

A cross-sectional study was conducted from May 2024 to October 2024 at Al-Basheer Hospital, King Abdullah University Hospital (KAUH), Princess Basma Teaching Hospital and the Multiple Sclerosis Society of Amman. 200 participants were recruited after confirming consent. Data were collected through face-to-face interviews using validated instruments, covering sociodemographics, beliefs about medicines, knowledge about MS, access to care and levels of depression.

Results

This study involved 200 patients with MS with a median age of 36 years, mostly women (70.5%), non-smokers (65%) and insured (77.5%). The majority had high education (58%) but low income (67%), with a mean duration of MS disease of 7.8 years after diagnosis. The majority (79.5%) were unaware of their MS type. Beliefs about medications varied, with 22% accepting, 48.5% ambivalent, 14.5% sceptical and 15% indifferent. Disease knowledge was high, with patients recognising MS as an immune, non-contagious and non-curable disease that affects women more than men. Despite good access to care, a percentage of patients needed to travel long distances for care. Depression affected 58% of participants, and it was influenced by access to care, concerning beliefs, income and education. Other variables such as gender, health insurance, the duration of the disease and the necessity of medications had no significant influence.

Conclusion

In conclusion, patients with MS deal with various challenges, such as difficulties in accessing care, associated with psychological factors such as depression. Addressing these barriers by optimising patients' beliefs about medications, enhancing access to care and focusing on the level of knowledge of the disease is crucial for ensuring better and optimal treatment outcomes, as well as decreasing the risk of depression development.

Comparison of ultrasound-guided continuous intertransverse process block and continuous erector spinae plane block for postoperative analgesia after uniportal video-assisted thoracoscopic surgery: protocol for a double-blind, prospective, randomised contr

Por: Lei · C. · Liu · D. · Li · Q. · Chen · Y. · Chen · H. · Zhong · H. · Wang · Y.
Introduction

Video-assisted thoracoscopic surgery (VATS) has become the predominant method for lung cancer diagnosis and resection, with over 80% adoption in relevant surgeries. With technological advancements, uniportal VATS is now widely employed. However, it still poses a significant risk of moderate to severe acute postoperative pain, potentially leading to chronic post-thoracotomy pain syndrome (PTPS). Therefore, effective postoperative analgesia is crucial. Regional block techniques have gradually gained wide attention. Specifically, paravertebral block (PVB) has been considered the ‘gold standard’ for thoracic analgesia, but its application involves risks due to the challenging anatomy. The erector spinae plane block (ESPB) and intertransverse process block (ITPB) have emerged as alternatives. ESPB showed non-inferiority to PVB in pain management and recovery quality. However, the mechanism of ESPB and its consistency in providing analgesia are not fully understood. ITPB, targeting the ‘posterior space of the superior costotransverse ligament’, offers theoretical advantages in drug diffusion due to its closer proximity to the paravertebral space than ESPB. Despite these advancements, there is a lack of randomised controlled trials (RCTs) assessing the comparative efficacy of continuous ESPB and ITPB. This study aims to address these gaps by comparing the analgesic effects and recovery quality of continuous ESPB and ITPB in patients undergoing single-port VATS.

Methods and analysis

A double-blind RCT will be conducted, enrolling 96 patients electively undergoing single-port thoracoscopic surgery, randomly assigned to either the experimental group (ITPB group) or the control group (ESPB group). After routine surgery, block intervention and continuous pump catheterisation will be performed. The primary assessment will be the numeric rating scale (NRS) scores at 24 hours. Secondary outcomes include NRS at other time points, block effectiveness, Quality of Recovery-15 scores and chronic pain-related scores. Evaluations will be conducted at 0, 2, 6, 12, 24 and 48 hours. Additional assessment indicators include time to first self-administration of pulse analgesia pump, number of self-administrations within 48 hours, use of non-steroidal anti-inflammatory drugs and opioids postoperatively, Comprehensive Complication Index (CCI) score, length of hospital stay, incidence of adverse events and complications, patient satisfaction score and assessment of PTPS incidence at 3 months postoperatively using the Brief Pain Inventory short form and the Short-Form McGill Pain Questionnaire.

Ethics and dissemination

The study was reviewed and approved by the Medical Ethics Committee of the Fifth Affiliated Hospital of Sun Yat-sen University (No. K44-1, 2024). The results of the study will be submitted for publication in a peer-reviewed journal with online accessibility.

Trial registration number

ChiCTR2400082856.

How do primary care consultation dynamics affect the timeliness of cancer diagnosis in people with one or more long-term conditions? A qualitative study

Por: Valasaki · M. · Carter · M. · Winder · R. · Shephard · E. · Valderas · J. M. · Merriel · S. W. D. · Farmer · L. · Summers · B. · Dean · S. G. · Morgan-Trimmer · S.
Objectives

To explore how pre-existing conditions affect the diagnostic process for potential cancer in primary care patients.

Design

Qualitative interview study using thematic analysis underpinned by a critical realist approach.

Setting

Primary care practices recruited through four Clinical Research Networks and UK health charities across England.

Participants

Interviews were conducted with 75 patients with one or more pre-existing conditions (anxiety/depression, diabetes, obesity, chronic obstructive pulmonary disease, Parkinson’s disease or multiple long-term conditions (four or more)) and 28 primary care professionals (general practitioners and nurses).

Results

The study identified legitimacy as a central theme influencing patient trajectories in the health system while trying to receive a diagnosis for symptoms with which they presented to primary care. Patients engaged in self-triage to determine whether symptoms were ‘legitimate’ enough to seek care. Subsequent triaging steps (by receptionists, nurses and online systems) acted as gatekeepers, with decisions influenced by effectiveness of describing the symptom and subjective impressions. During consultations, clinicians relied on a mix of symptom narrative clarity, medical history and objective ‘metrics’ (eg, blood results, family history) to determine legitimacy for further investigations. Pre-existing conditions could either lower the threshold for referrals or obscure potential cancer symptoms. The stigma associated with mental health diagnoses often undermined perceived legitimacy and contributed to delays.

Conclusions

Legitimacy is continuously negotiated throughout the diagnostic pathway. It is shaped by social, moral and biomedical judgements. To promote early cancer diagnosis for patients with pre-existing conditions, clinicians must make legitimacy assessments explicit, reduce stigma especially around mental health and standardise triage processes.

Transformative learning through communal documentary viewing: a mixed methods study on kidney transplantation and organ donation in medical education

Por: McCaffrey · D. · Corr · M. · Fergie · R. · Courtney · A. · Brown · T. · Gormley · G.
Objectives

To explore how learner transformation manifests in a communal arts and humanities (AH) educational activity for medical students.

Design

Mixed methods explorative study.

Setting

UK-based medical school that follows a 5-year case-based learning curricular model.

Interventions

A group of 105 first-year medical students attended a group viewing of a TV documentary titled, ‘Life on the List’ as part of their core curriculum. The documentary explores the humanistic aspects of kidney disease, organ donation and transplantation by portraying the personal stories of transplant recipients, donors and healthcare professionals. Following the screening, attendees engaged in a question-and-answer session with an expert panel.

Main outcome measures

Perceived transformation of learning was measured using a quantitative Likert-scale paired pre-screening and post-screening questionnaire. Additionally, the qualitative study used facilitated focus groups (FGs) to explore how learners may or may not have transformed their learning based on the AH educational activity.

Participants

Inclusion criteria were: (a) first-year medical students and (b) those who attended the screening. Those not meeting these criteria were excluded. The quantitative questionnaire was completed by 94 participants, while 19 attended FG interviews.

Results

Paired t-tests were conducted to compare pre-screening and post-screening responses across five questions. All results demonstrated statistical significance (phow learning was transformed: (1) an absorbing experience; (2) confronting and challenging: different ways of seeing the world; (3) collective reflection: the power and safety of the crowd; (4) ‘everything just came into perspective’: accepting the world in a new way; and (5) willing to change the world: advocacy and agency. By this collective experience focusing on real patient stories and providing an opportunity for discussion and reflection, participants were offered a holistic view on kidney medicine and transplantation. Overwhelmingly, participants were inspired to strive for person-centred care, with many being motivated to explore kidney medicine and transplantation as career options.

Conclusion

Couched in pedagogy, an AH educational activity for medical students can leverage learner transformation and promote person-centred care. With respect to kidney medicine, organ donation and transplantation, such activities can provide early career exposure to these fields. Students may be inspired to act as positive ambassadors for organ donation and transplantation and further explore these areas as future career options. Further research should investigate AH interventions in diverse groups from a longitudinal perspective to consider long-term effects in promoting holistic and empathetic patient care.

Stunting incidence and reversal as metrics of postnatal linear growth faltering in low- and middle-income countries: a critical appraisal and simulation study

Por: Roth · D. E. · Watson · K. M. · Bassani · D. G.
Objectives

Length-for-age z-scores (LAZ) and stunting prevalence (%LAZ

Methods

We simulated a synthetic cohort with a harmonically downward-shifting LAZ trajectory from birth to 24 months of age, with mean LAZs similar to the HBGDki pooled South Asian cohorts, and without any input parameters intended to differentially affect individuals’ growth across the height distribution or at different ages. We compared HBGDki empirical estimates of age interval-specific frequencies of incident stunting onset and stunting reversal with those from the synthetic cohort. Using synthetic cohorts, we examined how estimates of incident onset and reversal were affected by missing data, magnitude of the whole-population shift in the LAZ distribution and strength of the between-time-point correlation. We also compared the 3–24 month pattern of linear growth faltering expressed as age-related trajectories of average growth delay (chronological age minus height–age), mean LAZ or stunting prevalence.

Results

Empirical estimates of age interval-specific incident stunting onset and stunting reversal in the HBGDki cohorts were similar to those observed in a synthetic cohort. Variability in LAZ threshold-crossing event rates is explained by starting LAZ, between-time-point correlation and the magnitude of the whole-population shift in the LAZ distribution. Incident stunting onset is also affected by missing data in preceding intervals. Stunting reversal occurs due to within-child variability (ie, imperfect between-time-point correlation) in the absence of any other phenomena that cause stunted children to become non-stunted at a later age. The linear growth faltering pattern based on growth delay differed from corresponding age-related trajectories of mean LAZ or stunting prevalence.

Conclusions

In longitudinal studies of linear growth faltering in LMICs, LAZ threshold-crossing indicators are byproducts of whole-population shifts in LAZ and within-child variability and should be interpreted accordingly. Reporting incident stunting onset and reversal rates, or analyses in which children are grouped by the timing of LAZ threshold-crossing events, may detract from efforts to understand when and why nearly all children in LMICs grow more slowly than expected for their age. Since mean LAZ and stunting prevalence are unsuitable for quantifying the rate and timing of population-average postnatal linear growth faltering, growth delay is recommended for consideration as a preferred metric.

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