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Correlation between complete blood count-derived inflammatory markers and sepsis-associated delirium in older patients: a retrospective analysis of the MIMIC-IV database

Por: Wang · L. · Tian · Z. · Zuo · L. · He · Y. · Liu · Y. · Liu · H.
Objectives

To assess the correlation between complete blood count (CBC)-derived inflammatory markers and sepsis-associated delirium (SAD) risk in older intensive care unit (ICU) patients.

Design

Retrospective cohort study.

Setting

ICUs at Beth Israel Deaconess Medical Center (2008–2019), using the Medical Information Mart for Intensive Care IV V.3.0 database.

Participants

3412 critically ill patients aged ≥65 years with sepsis. Exclusion: repeated ICU admission, death/discharge within 24 hours, missing delirium assessment or pre-sepsis delirium from non-septic aetiologies. SAD was diagnosed by Confusion Assessment Method for the ICU.

Primary outcome measure

Incidence of sepsis-associated delirium.

Results

Among 3412 older sepsis patients, 2092 (61.3%) developed SAD. Significant differences in platelet-to-lymphocyte ratio, neutrophil-to-lymphocyte ratio, monocyte-to-lymphocyte ratio (MLR), systemic immune-inflammation index, systemic inflammation response index, pan-immune-inflammation value and neutrophil-monocyte-to-lymphocyte ratio were observed between SAD and non-SAD groups (all p0.05). Receiver operating characteristic and random forest analyses demonstrated predictive utility; incorporating markers into a baseline model significantly improved discrimination, with MLR providing the largest gain (area under the curve (AUC)=0.716 vs 0.703; AUC=0.013, DeLong test, p

Conclusion

CBC-derived inflammatory markers, particularly MLR, are associated with increased SAD risk in older adults and enhance the performance of a clinical prediction model in this population. Further research is needed to better understand the pathophysiological mechanisms underlying these associations.

Investigation of prophylactic clip haemorrhage control for colorectal cold snare polypectomy in patients taking antithrombotic drugs (PERCOLD): study protocol--a multicentre prospective parallel-group non-inferiority RCT phase 3 trial

Por: Okimoto · K. · Matsumura · T. · Taida · T. · Ishikawa · T. · Koshibu · Y. · Shu · N. · Ozeki · Y. · Furuya · M. · Mamiya · Y. · Nakazawa · H. · Ohyama · Y. · Takahashi · S. · Horio · R. · Goto · C. · Kurosugi · A. · Sonoda · M. · Kaneko · T. · Ohta · Y. · Matsusaka · K. · Inaba · Y. · Kato · J.
Introduction

The effect of prophylactic clipping for colorectal cold snare polypectomy (CSP) on delayed bleeding (DB) in patients with antithrombotic drugs remains unverified. The aim of the PERCOLD study is to demonstrate the non-inferiority of DB rates in cases without prophylactic clips compared with cases with prophylactic clips in patients taking antithrombotic drugs for colorectal CSP through randomised controlled trial (RCT).

Methods and analysis

This study is a multicentre prospective parallel-group RCT phase 3 trial that is being conducted at 14 institutions in Japan at the time of writing this manuscript. After providing consent, patients will undergo screening and assessment for study enrolment eligibility. Patients taking antithrombotic drugs (aged 20 years or older at the time of consent and who have agreed to participate in this study) will be selected if they have a preoperative suspected adenoma (including sessile serrated lesion) with an endoscopic diameter of

Ethics and dissemination

The trial protocol has been approved by the Chiba University Certified Clinical Research Reviewer Board (CRB3180015), which serves as the central ethics committee, and registered with Japan Registry of Clinical Trials. The current protocol V.1.7, dated 4 October 2024. Written informed consent for participation in the study will be obtained from all participating patients. All participating institutions have formally agreed to conduct the study in accordance with this central approval, and local site permissions were obtained as required by each institution. The results of this study will be submitted for publication in international peer-reviewed journals and the key findings will be presented at international scientific conferences.

Trial registration number

Japan Registry of Clinical Trials (jRCT1032230086).

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 (

Intrauterine high-dose intravenous immunoglobulin therapy during pregnancy for women with a history of pregnancy ending in documented neonatal haemochromatosis (NH001): study protocol

Por: Sasaki · A. · Yachie · A. · Mizuta · K. · Takahashi · H. · Okada · N. · Toma · T. · Motomura · K. · Matsumoto · K. · Wada · Y. S. · Ito · Y. · Ito · R. · Kasahara · M. · Fukuda · A. · Inoue · E. · Yamaguchi · K. · Nakamura · H. · Wada · S. · Sako · M.
Introduction

Neonatal haemochromatosis, considered to be a gestational alloimmune liver disease (NH-GALD), is a rare but serious disease that results in fulminant hepatic failure. The recurrence rate of NH-GALD in a subsequent infant of a mother with an affected infant is 70%–90%. Recently, antenatal maternal high-dose intravenous immunoglobulin (IVIG) therapy has been reported as being effective for preventing recurrence of NH-GALD in a subsequent infant. However, no clinical trial has been conducted to date.

Methods and analysis

This is a multicentre open-label, single-arm study of antenatal maternal high-dose IVIG therapy in pregnant women with a history of documented NH in a previous offspring. The objective of this study is to evaluate the efficacy and safety of antenatal maternal high-dose IVIG therapy in preventing or reducing the severity of alloimmune injury to the fetal liver.

Ethics and dissemination

The clinical trial is being performed in accordance with the Declaration of Helsinki. The trial protocol was approved by the Clinical Research Review Board at four hospitals. Before enrolment, written informed consent would be obtained from eligible pregnant women. The results are expected to be published in a scientific journal.

Protocol version

28 October 2024, V.8.0.

Trial registration number

jRCT1091220353.

Association between green space exposure and elderly health: a systematic review and meta-analysis protocol

Por: Che · Y. · Wang · M. · Tan · X. · Zhang · N. · Yu · S. · Yan · P.
Background

Global urbanisation is intensifying alongside steadily expanding older adult populations. The resulting air pollution profoundly impacts human health by exacerbating diseases, particularly among vulnerable elderly groups. Evidence demonstrates that green spaces mitigate air pollutant effects on health. Recent studies indicate green space exposure benefits older adults physiologically, psychologically and socially. However, existing systematic reviews have not synthesised the health impacts on this demographic. Consequently, this protocol outlines a systematic review and meta-analysis to evaluate how green space exposure affects health outcomes in older adults.

Methods and analysis

This systematic review protocol adheres to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Protocols guidelines. A comprehensive search strategy will be applied across: (1) electronic databases (eg, PubMed, Web of Science), (2) the National Institute for Health and Care Excellence and (3) the Guidelines International Network database. Grey literature will be searched via GreyNet International, covering records from each database’s inception to November 2024. The study will analyse associations between green space exposure and health outcomes in older adults. Two researchers will independently screen literature, extract data and assess risk of bias. Heterogeneity will be assessed with a focus on study design, exposure variables and outcome measures. If sufficient homogeneity exists, a meta-analysis will be undertaken; otherwise, a narrative synthesis will be performed.

Ethics and dissemination

This study requires no ethics approval because it uses publicly available data from published studies. The completed review will be published in a peer-reviewed journal and disseminated at relevant conferences.

PROSPERO registration number

PROSPERO (CRD42024619700).

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.

Diagnostic and therapeutic impact of ultrasound tomography in lower extremity varicose veins: protocol for a paired accuracy study and randomised controlled trial in a tertiary hospital in China

Por: Zhang · W. · Lan · F. · Yuan · S. · Guo · J. · Li · Y. · Pan · Y. · Zheng · Y.
Background

Chronic venous disease, particularly lower extremity varicose veins (VVs) and incompetent perforating veins (IPVs), is a prevalent condition associated with significant morbidity, including venous ulcers and post-surgical recurrence. Current diagnostic modalities for IPVs—such as digital subtraction angiography, CT venography, magnetic resonance venography and conventional ultrasound—are limited by ionising radiation, operator dependency or inadequate spatial resolution. Ultrasound tomography (UT), an emerging automated 3D imaging technology, offers comparable resolution, wider field of view and reduced operator bias compared with conventional ultrasound. Preliminary studies suggest UT improves IPV detection rates, yet its diagnostic accuracy and clinical utility remain unvalidated in large-scale trials. This study aims to evaluate UT’s diagnostic performance and its impact on surgical outcomes in a paired-design and randomised controlled trial (RCT), addressing a critical gap in non-invasive venous assessment.

Methods

This study combines a paired diagnostic trial and a prospective, triple-blind RCT. In the paired trial (n=84), patients with VVs (Clinical-Etiological-Anatomical-Pathophysiological C2–C5) receive both conventional ultrasound and UT combined with Doppler examination to compare IPV detection sensitivity against surgical findings. The RCT (n=264) randomises patients to conventional ultrasound group (control group) or conventional ultrasound+UT group (intervention group). After examination, all patients undergo standardised treatment (radiofrequency ablation with sclerotherapy and selective IPV ligation), with follow-up extending to 5 years. The primary endpoint is 1-year recurrence rates and secondary endpoints, including 3-month, 3-year and 5-year recurrence rates, as well as Venous Clinical Severity Scores, quality of life and Aberdeen Varicose Vein Questionnaire scores.

Ethics and dissemination

The study has been approved by the Ethics Committee of Shanghai Sixth People’s Hospital (approval number: 2024-132). Written informed consent will be obtained from each participant, and final results will be published in peer-reviewed journals.

Trial registration number

The study has been registered on Chinese Clinical Trial Registry (http://www.chictr.org.cn), identifier: ChiCTR2500097289.

Glycaemic control and influencing factors among patients with post-chronic pancreatitis diabetes mellitus in China: a retrospective cross-sectional study

Por: Ye · J. · Xie · J. · Wang · Y. · Ru · N. · Mao · X. · Li · T. · Qian · Y. · Zou · W. · Cao · Y. · Liao · Z.
Objectives

Post-chronic pancreatitis (CP) diabetes mellitus (PPDM-C) is a distinct form of diabetes, in which complex pathogenesis hampers adequate glycaemic control. This study aimed to identify risk factors for poor glycaemic status in PPDM-C to guide clinical management.

Design

Cross-sectional study.

Setting

Shanghai, China.

Participants

Between January 2018 and March 2023, 1677 patients with CP were enrolled in the CP database of the National Clinical Research Center. After application of strict exclusion criteria, 302 patients diagnosed with PPDM-C were included in the study.

Primary and secondary outcome measures

The primary outcome was glycaemic control. The secondary outcomes were factors that affect glycaemic control among patients with PPDM-C.

Methods

This retrospective study was conducted in patients with PPDM-C. Poor glycaemic status was defined as a glycated haemoglobin A1c level of >7% at admission. Patients were stratified into those with and without diabetes treatment. Multivariate logistic regression was performed to identify risk factors. The area under the curve (AUC) analysis was used to evaluate the predictive efficacy of these risk factors.

Results

A total of 302 patients with PPDM-C were analysed. Poor glycaemic status was observed in 72.6% (61/84) of patients without diabetes treatment and 52.8% (115/218) of those with diabetes treatment. For those without diabetes treatment, a history of acute pancreatitis (AP) attacks (OR: 4.838, p=0.014) and smoking (1–20 pack-years, OR: 4.418; >20 pack-years, OR: 9.989; p0.001). In patients with diabetes treatment, AP attack history (OR: 5.640, p20 pack-years, OR: 11.395; p

Conclusions

Patients with PPDM-C in China exhibited a high prevalence of poor glycaemic status. Smoking and a history of AP attacks were significantly associated with an increased risk of poor glycaemic control. The early identification of patients with PPDM-C at elevated risk of poor glycaemic control may facilitate timely and optimised management of glycaemia.

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.

Risk and resilience factors associated with the progression of influenza to severe disease outcomes: umbrella review protocol

Por: Park · J. Y. · Dowell · A. · Turner · N. · Albrecht · S. · Hills · I. · Marsh · S.
Introduction

Influenza is a major global health concern, responsible for up to 650 000 respiratory-related deaths annually. Although influenza is often perceived as mild in healthy adults, it can cause severe outcomes in high-risk groups, such as older adults, young children, pregnant women and those with underlying medical conditions. Various clinical, sociodemographic and environmental factors influence the progression to severe outcomes, whereas resilience factors, such as vaccination, may reduce risks. Despite growing research, the evidence base regarding risk and resilience is spread across many different aspects of the literature. This umbrella review will synthesise evidence from existing systematic reviews and meta-analyses to identify key risk and resilience factors associated with the progression of influenza to severe outcomes in the general population.

Methods and analysis

This umbrella review follows the Joanna Briggs Institute (JBI) and Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols guidelines. We will include systematic reviews and meta-analyses reporting host-related risk or resilience factors for severe influenza outcomes. Four databases (EMBASE, Scopus, Medline and CINAHL) will be searched for English-language publications. Study quality will be assessed using AMSTAR 2, and the body of evidence will be evaluated using Grading of Recommendations Assessment, Development and Evaluation. Due to heterogeneity, findings will be analysed narratively. Risk and resilience factors will be grouped into demographic, clinical, behavioural, social and psychological domains.

Ethics and disseminations

No ethical approval is required. The completed review will be shared through peer-reviewed journals and conference presentations.

PROSPERO registration number

CRD420250644475.

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.

The effects of oliceridine and sufentanil on postoperative nausea and vomiting in abdominal surgery (EOSPONVAS): protocol for a multicentre, two-arm, randomised controlled trial

Por: Luo · J. · Wang · L. · Jie · Z. · Li · Y. · Geng · C. · Li · P. · Wang · T. · Shi · Y. · Fan · X. · Zhang · L. · Xu · T.
Introduction

Oliceridine is a novel μ-opioid receptor selective agonist that provides analgesia while reducing μ-receptor-mediated adverse effects such as postoperative nausea and vomiting (PONV). Evidence in abdominal surgery remains limited. This study aims to determine whether oliceridine reduces PONV and improves recovery in abdominal surgery.

Methods and analysis

This is a prospective, multicentre, two-arm, randomised trial. Participants aged 18–65 years, with American Society of Anesthesiologists physical status I–III and a body mass index of 18.5–23.9 kg/m², undergoing elective major abdominal surgery, will be eligible for inclusion. Gynaecological surgeries are excluded. All patients must require postoperative intravenous patient-controlled analgesia (PCIA) and give written consent. 494 participants will be randomised to oliceridine group or sufentanil group. The primary outcome is the incidence of PONV within 48 hours postsurgery. Secondary outcomes include vomiting frequency, nausea severity score, use of rescue antiemetics, resting numerical rating scale (NRS) pain score, Quality of Recovery-15 (QoR-15) score, time to first postoperative flatus, intensive care unit (ICU) length of stay (LOS), hospital LOS and PCIA metrics (effective attempts and total volume used). Safety outcomes include other opioid-related adverse effects (ORAEs) (eg, respiratory depression, pruritus, dizziness, headache), complications related to PONV (eg, electrolyte disturbances, wound dehiscence) and other perioperative complications.

Ethics and dissemination

This protocol was approved (Version V3.0, 2025-01-14) by the Ethics Committee of Changhai Hospital (CHEC-2025–069), the Shanghai Public Health Clinical Centre (2025-S024-01) and the Wusong Central Hospital of Baoshan District, Shanghai (2025-17-01). It complies with the Declaration of Helsinki. Results will be shared via conferences and peer-reviewed journals.

Trial registration number

Chinese Clinical Trial Registry (ID: ChiCTR2400089262).

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.

Patient-reported outcome measured by EQ-5D and influencing factors among patients of systemic lupus erythematosus in China: a multicentre cross-sectional study from CSTAR Registry

Por: Li · L. · Bai · W. · Yu · B. · Zou · K. · Wang · Y. · Zuo · K. · Wang · L. · Wu · C.-Y. · Zhao · J. · Zeng · X. · Wang · Y. · Li · M.
Objectives

Until now, there has still been a lack of sufficient evidence on patient-reported outcomes (PROs) measured by the EuroQol-5 Dimension (EQ-5D) in patients with systemic lupus erythematosus (SLE) in China. This study aims to comprehensively assess EQ-5D outcomes and influencing factors in Chinese patients with SLE.

Design

A multicentre, cross-sectional study based on the Chinese Systemic Lupus Erythematosus Treatment and Research Group registry.

Setting

101 hospitals across 27 provinces of China.

Participants

1336 patients with SLE.

Outcome measures

The information on EQ-5D was collected via an online questionnaire. Medical records were obtained from the Chinese Rheumatology Data Centre (CRDC). Clinical influencing factors related to the reported health problems were identified using multivariate logistic regression. Then, each health state was converted into a health utility score based on the Chinese 2014 tariff. Given the ceiling effects, Tobit regression models were used to analyse the factors influencing health utility scores.

Results

A total of 1336 patients with SLE were included. Of them, 626 patients (46.9%) reported health problems using EQ-5D. The proportions of patients reporting problems in mobility, self-care, usual activities, pain/discomfort and anxiety/depression were 12.80%, 5.24%, 14.90%, 27.47% and 30.46%, respectively. The mean utility score was 0.89 (SD: 0.15), and the mean Visual Analogue Scale (VAS) score was 76.80 (SD: 16.54). There was a statistically significant correlation (r=0.503, p

Conclusions

EQ-5D may be a useful, preference-based PRO measure for SLE and could potentially be integrated into routine clinical monitoring of patients with SLE and applied in economic evaluations in the future.

Hospitalisation and mortality trends in ANCA-associated vasculitis in Mexico: results from a nationwide retrospective registry analysis

Objective

Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) entails substantial morbidity and mortality, yet no epidemiologic evidence exists on its outcomes in Mexico. This study assessed national hospitalisations (2005–2022) and mortality (2000–2022) related to AAV using data from the General Board of Health Information.

Design

Retrospective, population-based time-trend analysis on administrative health data.

Setting

Mexico’s national hospital discharge and mortality registries, covering 1 January 2000 through 31 December 2022.

Participants

All individuals aged ≥ 15 years with a primary or secondary International Classification of Diseases, 10th revision, diagnosis of AAV recorded during hospitalisation or on death certificates nationwide.

Outcome measures

The study’s primary outcomes were the age-standardised hospitalisation and mortality rates for AAV (expressed per 100 000 population, overall and by sex), with temporal trends in both rates quantified using Joinpoint regression to calculate annual percent change (APC) and average APC (AAPC).

Results

We identified 2804 hospitalisations and 599 deaths. Females accounted for 49.7% of hospitalisations, while males represented 48.7% of deaths. Although the overall age-standardised hospitalisation rate (ASHR) and mortality rate (ASMR) AAPCs were not statistically significant, relevant trends emerged. From 2010 to 2022, ASHR declined significantly (APC: –5.2%; 95% CI –9.7, –0.5; p=0.03), whereas mortality rates remained stable from 2000 to 2022 (AAPC: +3%; 95% CI –4.6, 11.3; p=0.45). Nevertheless, mortality increased among males (APC: +6.4%; 95% CI 0.9, 12.2; p=0.02) and individuals over 45 years (APC: +8.6%; 95% CI 1.7, 16.0; p=0.02) from 2008 onwards.

Conclusions

Overall, these findings indicate no major changes in national rates but reveal a decline in hospitalisations since 2010 and a rise in mortality for specific subgroups since 2008. Targeted interventions, particularly for older adults and men, appear warranted to address this evolving disease burden. Future research should explore underlying risk factors and evaluate tailored strategies to improve clinical outcomes in AAV across Mexico.

Minimum effective dose of betamethasone for incisional local infiltration for the prevention of postoperative pain after spine surgery: study protocol for a randomised controlled trial

Por: Wang · Y. · Han · B. · Zhao · C. · Ren · H. · Jia · W. · Luo · F.
Introduction

Postoperative pain is particularly pronounced in spinal surgery. Inadequate management of acute postoperative pain not only reduces patient satisfaction and delays recovery but also increases the risk of developing chronic pain. Local infiltration analgesia (LIA) is a widely used technique for perioperative pain management. However, even with the use of long-acting local anaesthetics, such as ropivacaine, postoperative analgesia often remains insufficient. Preliminary evidence suggests that combining diprospan, a mixture of betamethasone disodium phosphate and betamethasone dipropionate, with ropivacaine can significantly reduce analgesic requirements in the immediate postoperative period. However, concerns about steroid-related complications, including hyperglycaemia and surgical site infections, highlight the need to identify the minimum diprospan concentration to achieve a balance between efficacy and safety. This randomised, controlled, evaluator-blinded trial aims to investigate the dose-response relationship of diprospan as an adjunct to ropivacaine for LIA in spinal surgery to determine the minimum effective dose for effective and safe pain management.

Methods and analysis

This is a single-centre, randomised, evaluator-blinded, controlled, dose-mapping study in which subjects will be randomised in a 1:1:1:1:1 ratio to the control group or to receive diprospan at concentrations of 0.003%, 0.006%, 0.009% or 0.012%. Patients will receive either 0.5% ropivacaine alone or a corresponding dose of diprospan combined with 0.5% ropivacaine for LIA. All participants will be followed for a duration of 3 months. The primary outcome measure will be cumulative sufentanil consumption within the first 48 hours postsurgery. Secondary outcomes will include additional assessments of analgesia, steroid-related adverse events and other complications within the 3-month follow-up period.

Ethics and dissemination

This study protocol was approved by the Institutional Review Board of Beijing Tiantan Hospital (KY2024-365-02-1). Written informed consent will be obtained from all participants. The results will be submitted for publication in a peer-reviewed journal.

Trial registration number

NCT06785350.

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