Cross-sectional study of the rates of military sexual trauma (MST) and associations with adverse mental health outcomes among UK female ex-service personnel: a study protocol

Introduction
This study investigates the rates of military sexual trauma (MST) and its associations with adverse mental health among a sample of UK female ex-service personnel who served during the Iraq/Afghanistan eras.

Methods and analysis
Female ex-service personnel, who participated in the fourth phase (Phase 4) of the King’s Centre for Military Health Research (KCMHR) Health and Well-being Cohort Study (2022–2023) and consented to be recontacted for follow-up studies (n=295), are being invited to participate in an online questionnaire between July 2024 and February 2025. The questionnaire contains surveys and questions related to experiences of sexual harassment and sexual assault during and outside of military service, disordered eating and broader female health issues. While the questionnaire relates to several female health topics, this study focuses on the surveys related to experiences of sexual trauma and eating disorders. Sociodemographic variables and some health variables, including post-traumatic stress disorder (PTSD), complex PTSD, common mental disorders, alcohol misuse, physical somatisation and social support, will be extracted from participants’ pre-existing data collected in Phase 4 of the KCMHR Cohort Study. Analyses will assess rates of MST, and hierarchical multiple logistic regressions will investigate associated health impacts. Rates and ORs, employing 95% CIs, will be reported.

Ethics and dissemination
This study has been granted full ethical approval by the King’s College London Research Ethics Committee (Ref: HR/DP-23/24–39040). Participants provide informed consent before participating and have access to a signposting booklet containing contact details for a range of support services. A risk protocol is in place, which outlines the procedure to be undertaken if a participant contacts the research team in distress. Findings will form part of a PhD thesis and will be further disseminated through peer-reviewed publication and dissemination with veteran mental health services and charities, and relevant government departments.

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Beyond the puff: qualitative insights into smoking behaviours and societal perceptions among university students in India

Objectives
The objective of the study was to understand the smoking behaviour of adults and how societal perceptions influence the smoking behaviour of university students.

Design
Qualitative study.

Setting
National Institute of Medical Sciences university, India.

Participants
20 face-to-face interviews were carried out among university students who were in the age group of 19–30 years using a combination of purposive sampling, followed by snowball sampling methods.

Results
Qualitative responses revealed that stress, cravings for cigarettes and mealtimes were key triggers for smoking behaviour. Many participants felt guilty about their smoking and often became irritated by advice from non-smoking friends. All participants had experienced negative health effects, including physical and sensory issues, as well as other adverse experiences. Students expressed a dislike for judgemental attitudes from society. They respected elders and found it difficult to smoke in front of them. Rather than being blamed for their smoking, they preferred supportive assistance to help them quit.

Conclusions
The study highlights the importance of understanding college students’ smoking behaviour, as it greatly influences their smoking habits. Cessation efforts should target this group and emphasise the negative experiences associated with smoking. Additionally, students recommend creating a non-judgemental and supportive environment to aid in quitting, rather than a judgemental and blaming society.

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Prolonged Caffeine Therapy for Preterm Infants

Approximately 13 million newborns were preterm (born before 37 weeks of gestation) across all member states of the World Health Organization in 2020. In 2023, the US preterm birth rate was 10.4%. Nearly all preterm infants require specialized in-hospital care to support their immature respiratory, cardiovascular, central nervous, digestive, and immune function. The length of the initial hospital stay depends on the duration of gestation, the medical condition at birth, and the development of complications such as infections or chronic lung disease. The main determinant of discharge readiness is the infant’s physiological maturity, defined as adequate control of breathing, respiratory stability, full oral feeding with appropriate weight gain, and good temperature control in a crib. In addition, the preparedness of the family and the suitability of the home environment should be confirmed. Most very preterm infants (those born between 28 and

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Remote ischaemic preconditioning in cemented hip arthroplasty (the PRINCIPAL study)–randomised controlled trial: study protocol

Introduction
Total hip arthroplasty (THA) is an effective treatment for severe osteoarthritis. However, THA has a high surgical risk for patients with concomitant diseases and is associated with several serious complications, such as myocardial infarction, acute kidney injury and cognitive dysfunction. This study will explore the potential protective effects of remote ischaemic preconditioning (RIPC) in cemented THA patients.

Methods and analysis
The PRINCIPAL study is designed as a randomised, controlled, parallel-group, blinded trial to assess the impact of RIPC in cemented THA patients. The study will compare two patient groups—one group will have the RIPC procedure, and the second will have the sham procedure. The primary outcome is the peak troponin T concentration during the three postoperative days. Secondary outcomes include markers of arterial stiffness (augmentation index (AIx), carotid-femoral pulse wave velocity, central blood pressures), neural (neuron-specific enolase, S100B) and renal injury biomarkers (estimated glomerular filtration rate, creatinine, cystatin C), markers of systemic inflammation (hypoxia-inducible factor 1-alpha, interleukin (IL)-6, IL-1β, tumour necrosis factor-alpha, IL-10) and oxidative stress (total peroxide concentration, total antioxidant capacity), as well as clinical outcome measures such as major adverse cardiovascular events and all-cause mortality.

Ethics and dissemination
The ethical board of the University of Tartu has granted approval for the study (no. 384T-26). The results of this study will be disseminated in international peer-reviewed journals.

Trial registration number
NCT06323018.

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Investigation of Poststroke Depression Following a Nucleus Accumbens Infarct in Mice

Stroke, Ahead of Print. BACKGROUND:Poststroke depression (PSD) affects ≈33% of individuals 1 year after a stroke. Blood-brain barrier (BBB) dysfunction in the nucleus accumbens (NAc), a hub for emotional processing, reward, and mood regulation, has been linked to stress-induced depressive-like behaviors in male mice. Neurovascular alterations were also observed in postmortem tissue samples from men with a diagnosis of major depression. Thus, we aimed to investigate if BBB changes in the NAc could contribute to PSD pathophysiology.METHODS:Stereotaxic injection of ET-1 (endothelin-1), a potent vasoconstrictor, was performed in the NAc of male mice to create a focal brain stroke, and then, infarct size and localization were assessed and quantified. We subsequently evaluated transcriptomic and morphological effects of the infarct on BBB-related genes and cells in the NAc, particularly those known to be altered after stress exposure in mice or human depression. BBB integrity was assessed with a dextran dye, and magnetic resonance imaging scans were conducted before versus after the injection of Gadovist, a contrast agent. Last, a battery of behavioral tests related to depressive- and anxiety-like behaviors was performed to determine if an infarct in the NAc is sufficient to induce a PSD-like phenotype.RESULTS:Following ET-1 injection, ≈50% of the total lesion was observed in the NAc leading to BBB hyperpermeability in this brain area. BBB gene expression was impacted by ET-1, and also surgery alone and profiles were differentially regulated throughout time up to 14 days. Gliosis in the NAc was observed with increased reactivity of astrocytes and microglia. The effect of ET-1 on PSD-like symptoms was limited. However, body weight, sociability, and activity were affected by surgery with a more pronounced impact of ET-1 on social interactions compared with naive animals.CONCLUSIONS:While no clear PSD phenotype was observed following an ET-1–induced stroke in the NAc of male mice, our study shed light on the technical complexity of focal lesions in deep brain structures, an understudied phenomenon occurring in humans. We provide technical insights for the development of a mouse model of deep brain lesions, characterize its impact at molecular, cellular, and behavioral levels, and highlight the need to control for vascular alterations when performing stroke surgeries.

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Cohort profile: Mother and Infant Metabolome and Microbiome (MIMM) study, a prospective cohort study of mothers and infants in Boston, Massachusetts

Purpose
Breastfeeding is beneficial to the health of both the mother and infant. Despite recommendations to breastfeed by organisations including the WHO and the American Academy of Pediatrics, rates of breastfeeding remain below public health goals. The Mother and Infant Metabolome and Microbiome (MIMM) study is a prospective cohort study of healthy mother-term infant dyads designed to comprehensively assess the perinatal, maternal, neonatal and infant factors that are associated with breastfeeding outcomes and human milk composition.

Participants
MIMM participants were recruited from two medical centres in Boston, Massachusetts, from 2019 to 2023 and are followed for 2 years. Dyads were included if the mother delivered a singleton infant at ≥37 weeks’ gestation, was discharged home

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Experiences of adopting remote technologies for blood pressure control among women with pre-eclampsia and healthcare providers: a systematic review of qualitative studies

Introduction
Pre-eclampsia is a harmful and potentially life-threatening condition affecting maternal health and fetal well-being. In response to the need for timely and continuous monitoring, remote health technologies have been implemented for blood pressure control among this group over the last decades. The purpose of this study is to synthesise qualitative evidence on the experiences of adopting remote technologies for blood pressure control among women with pre-eclampsia and their healthcare providers.

Methods
Peer-reviewed publications published in English from January 2013 to March 2023 were searched using seven electronic databases: PubMed, Nursing & Allied Health Premium (ProQuest), Scopus, ScienceDirect, Taylor & Francis Online, Google Scholar and EBSCO Open Dissertations. The findings were subjected to meta-synthesis using the Joanna Briggs Institute meta-aggregation approach, whereby credible and unequivocal findings supported by participant quotations were extracted, grouped into categories and then integrated into synthesised findings through consensus among reviewers. A total of 4827 studies were identified in the initial database search. Twelve eligible studies were included in the meta-synthesis.

Results
Among 12 studies, five synthesised findings were elicited from women’s experiences with remote monitoring, including reassurance and increased self-confidence in health, a sense of autonomy, enhanced awareness of their health, acceptability and satisfaction with telehealth and reduced anxiety and stress. Providers’ perspectives on telehealth were presented in four synthesised findings: increasing value for oneself and work, strengthening knowledge and skills on pre-eclampsia, improving quality of care and concerns about technology challenges.

Conclusion
Healthcare providers reported professional growth and improved care delivery, though technical challenges persist. These findings support the integration of remote monitoring into maternal healthcare.

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