[Articles] Risk of cardiovascular disease among cancer survivors: systematic review and meta-analysis

This meta-analysis provides an up-to-date comprehensive global overview that cancer survivors had increased risk of CVD and 17 CVD subtypes than non-cancer controls. CVD risk evaluation and management need to be prioritized in cancer survivors, particularly among male, younger, and specific cancer survivors (brain, hematological, respiratory, male genital, and breast). This study provides supporting evidence that may inform future updates to guidelines for CVD prevention in cancer survivors, highlighting its public health relevance.

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Glucagon-Like Peptide-1 Receptor Agonists and Risk of Nontraumatic Intracerebral Hemorrhage in Patients With Type 2 Diabetes

Stroke, Ahead of Print. BACKGROUND:GLP-1RAs (glucagon-like peptide-1 receptor agonists) have consistently demonstrated a protective effect against ischemic stroke. However, whether this benefit also extends to nontraumatic intracerebral hemorrhage (ICH) remains unknown. Given the blood pressure–lowering and anti-inflammatory properties of GLP-1RAs, we aimed to evaluate their potential impact on ICH risk in patients with type 2 diabetes.METHODS:We conducted a retrospective cohort study using global health care data from the TriNetX network. Patients with type 2 diabetes who used GLP-1RAs (n=326 777) were compared with those who did not (n=643 614). Propensity score matching (1:1) was performed to balance baseline characteristics, and follow-up was conducted for up to 4 years. The primary outcomes included all-cause mortality, ischemic stroke, and ICH (overall and by location). Hazard ratios and 95% CIs were calculated to assess the mean treatment effect in the treated group.RESULTS:After propensity score matching (resulting in 2 balanced groups of 255 460 individuals each), GLP-1RAs use was associated with a lower risk of ICH (hazard ratio, 0.743 [95% CI, 0.684–0.807]). The lower ICH risk associated with GLP-1RAs was observed across all ICH locations (allP≤0.01). In addition, exposure to GLP-1RAs was associated with a significantly lower rate of mortality (hazard ratio, 0.525 [95% CI, 0.512–0.538]) and ischemic stroke (hazard ratio, 0.871 [95% CI, 0.843–0.901]).CONCLUSIONS:This study highlights a novel potential association between GLP-1RAs and a lower risk of ICH in patients with type 2 diabetes. Prospective trials are needed to confirm the potential protective effect of GLP-1RAs on small vessel rupture.

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Comparison of complications and recovery after laparoscopic and abdominal hysterectomy for benign disease: the LAparoscopic Versus Abdominal hysterectomy (LAVA) randomised controlled trial

Objective
To compare recovery after laparoscopic hysterectomy (LH) and abdominal hysterectomy (AH).

Design
A parallel, open, non-inferiority, multicentre, randomised controlled, expertise-based surgery trial.

Setting
10 NHS (National Health Service) hospitals within the UK.

Participants
Women undergoing hysterectomy for a benign gynaecological condition.

Interventions
Consenting women of 18–55 years were randomised to LH or AH using a secure internet facility by a surgeon with self-declared expertise. Major complications were recorded by clinicians, and recovery was assessed by regular text messaging and postal questionnaires.

Primary and secondary outcome measures
Major surgical complications (Clavien-Dindo≥level 3) up to six completed weeks postsurgery, time to resumption of normal activities measured by the Patient-Reported Outcomes Measurement Information System Physical Function tool and quality of recovery at 24 hours (Quality of Recovery 15 score; 0–150).

Results
75 women were randomised before early curtailment of the trial; 32/39 (82%) and 30/36 (83%) women underwent LH and AH, respectively. Major complications occurred in 2/32 (6%) LH versus 4/30 (13%) AH groups. No difference in time to resumption of usual activities was found (median [IQR, n] 7.5 weeks (3.6–8.2, 25) LH vs 7.5 weeks (5.5–10.6, 26) AH groups or quality of recovery (mean [SD, n] 81.1 (13.4, 27) vs 72.3 (17.6, 22), respectively; adjusted mean difference 7.2, 95% CI –3.2 to 17.6).

Conclusions
No differences were found in complications or recovery between LH and AH. However, early cessation of the trial due to recruitment challenges limits clinical inferences. It is important that larger comparative trials are conducted now that LH, including robotics, is becoming adopted as standard practice.

Trial registration number
ISRCTN14566195, IRAS ID 287988.

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Cohort profile: characterisation, determinants, mechanisms and consequences of the long-term effects of COVID-19 – providing the evidence base for health care services (CONVALESCENCE) in the UK

Purpose
The pathogenesis of the long-lasting symptoms which can follow an infection with the SARS-CoV-2 virus (‘long covid’) is not fully understood. The ‘COroNaVirus post-Acute Long-term EffectS: Constructing an evidENCE base’ (CONVALESCENCE) study was established as part of the Longitudinal Health and Wellbeing COVID-19 UK National Core Study. We performed a deep phenotyping case-control study nested within two cohorts (the Avon Longitudinal Study of Parents and Children and TwinsUK) as part of CONVALESCENCE.

Participants
From September 2021 to May 2023, 349 participants attended the CONVALESCENCE deep phenotyping clinic at University College London. Four categories of participants were recruited: cases of long covid (long covid(+)/SARS-CoV-2(+)), alongside three control groups: those with neither long covid symptoms nor evidence of prior COVID-19 (long covid(-)/SARS-CoV-2(-); control group 1), those who self-reported COVID-19 and had evidence of SARS-CoV-2 infection, but did not report long covid (long covid(-)/SARS-CoV-2(+); control group 2) and those who self-reported persistent symptoms attributable to COVID-19 but no evidence of SARS-CoV-2 infection (long covid(+)/SARS-CoV-2(-); control group 3). Remote wearable measurements were performed up until February 2024.

Findings to date
This cohort profile describes the baseline characteristics of the CONVALESCENCE cohort. Of the 349 participants, 141 (53±15 years old; 21 (15%) men) were cases, 89 (55±16 years old; 11 (12%) men) were in control group 1, 75 (49±15 years old; 25 (33%) men) were in control group 2 and 44 (55±16 years old; 9 (21%) men) were in control group 3.

Future plans
The study aims to use a multiorgan score calculated as the cumulative total for each of nine domains (ie, lung, vascular, heart, kidney, brain, autonomic function, muscle strength, exercise capacity and physical performance). The availability of data preceding acute COVID-19 infection in cohorts may help identify the consequences of infection independent of pre-existing subclinical disease and also provide evidence of determinants that influence the development of long covid.

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Protocol for Shenzhen-working-age cohort study (SZ-working age): a prospective observational cohort study on eye health and myopia

Introduction
The widespread use of digital devices in modern workplaces has led to a rise in visual health problems, such as myopia and dry eye syndrome, among the working-age population. This study aims to investigate the incidence of eye disorders, associated risk factors and relevant biomarkers in Shenzhen, addressing a crucial gap in the research on visual health in rapidly urbanising Chinese cities.

Methods
This prospective observational cohort study, conducted from September 2024 to December 2029, will recruit 3000 full-time employees aged 18–65 in Shenzhen through multistage sampling across five job sectors. Data collection will include questionnaire surveys, standardised scale assessments, ophthalmic examinations, ophthalmic imaging and biomarker testing. Annual follow-ups will track the incidence of high myopia and dry eye, as well as associated factors and biomarker changes. Data accuracy will be ensured through double entry and continuous quality control.

Ethics and dissemination
The study has been approved by the Ethics Committee of Shenzhen Eye Hospital (2024KYPJ012; 04 February 2024). The results will be presented at professional conferences and submitted for publication in peer-reviewed journals.

Trial registration number
National Health Information Platform (MR-44-24-026548).

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Effectiveness of postpartum care to improve womens health and quality of life in Southeast Asia: a scoping review protocol

Introduction
The first 3 months post partum is a critical transition period for women and families, which is characterised by physical, psychological and social adaptation. The first year post partum is also a critical phase for women’s health, given their physical recovery and adjustment to motherhood. The WHO 2023 recommendations highlight the importance of a postnatal care focus, including maternal health assessment, mental health support, nutritional interventions, postpartum contraceptive use and home care visits. This scoping review aims to map the evidence of the effectiveness of postpartum care on women’s health and quality of life in the Southeast Asia region.

Methods and analysis
This scoping review will be guided by the methodological principles developed by Arksey and O’Malley. This review will also consider observational studies, including cohort studies, case-control studies and cross-sectional studies. For inclusion, studies should be selected for eligibility based on the following criteria: articles investigating the uptake of postpartum women (women who have had childbirth up to 42 days after delivery) in Southeast Asian countries. The search will comprise peer-reviewed articles from 2013 to 2023 from the following electronic databases: PubMed/MEDLINE, ProQuest, EBSCO, Scopus, Web of Science and Google Scholar. We use both keywords in the title and/or abstract and subject headings as appropriate. We will follow the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) Protocols to develop the protocol and use the PRISMA flow diagram to present the results for scoping reviews.

Ethics and dissemination
A scoping review is a novel approach for examining the breadth of literature regarding the connection between the effectiveness of postpartum care and women’s health and quality of life and, as a secondary analysis, does not require ethics approval. The results of this review will be submitted for publication in a peer-reviewed journal and presented at relevant conferences.

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Burden of caregivers of diabetic foot ulcers: a single-centre, descriptive correlational study in Türkiye

Objectives
Diabetic foot ulcer (DFU) is a major complication of poorly managed diabetes mellitus. Home care of individuals with chronic wounds is often supported by family members. The study aims to determine the burden of caregivers of DFU patients and the factors influencing this burden.

Design
A descriptive-correlational research.

Setting
The study sample consisted of caregivers of patients who applied to the Diabetic Foot Council between December 2022 and November 2023.

Participants
The study included 101 caregivers who were primarily responsible for the care of the DFU patient, had been caring for the patient for at least 2 months, provided unpaid care and agreed to participate in the study.

Outcome measures
Data were collected using the Descriptive Characteristics Form and Zarit Caregiver Burden Scale.

Results
The mean age of the caregivers was 45.34±12.62, and the mean age of the patients was 59.57±9.18. The care burden of caregivers was 46.47±11.39. The highest levels of care burden were observed in the economic and dependency subscales. When the relationship between the independent variables of the model and the dependent variable was examined, it was found that providing support to move the patient [β=0.97; p=0.001] and the need for training in patient care [β=0.51; p=0.012] were independent factors that increased the burden of the caregiver, while the patient’s ability to follow his/her own medication [β=–0.46; p=0.039] was the independent factor that decreased the burden of the caregiver.

Conclusion
Based on these findings, further research is required to assess the effectiveness of professional healthcare services, self-care interventions and support strategies aimed at alleviating caregiver burden and enhancing care quality.

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Maintenance with niraparib in patients with stage III, stage IV, chemo-naïve recurrent or platinum-sensitive recurrent uterine serous carcinoma: study protocol for a phase II clinical trial

Introduction
Uterine serous carcinoma (USC) accounts for 40% of endometrial cancer-related deaths. The standard of care for stages III and IV USC yields a 20%–30% survival at 2 years and a 10%–20% survival at 3–5 years. Recent advances in the second-line treatment of advanced or recurrent USC are rapidly evolving. Targeted therapeutic approaches with the use of lenvatinib plus pembrolizumab, as well as the use of trastuzumab deruxtecan, offer new hope for successful second-line therapies for patients. However, further investigation into novel targeted therapeutic approaches is warranted, given the high burden of disease associated with this aggressive histological subtype. USC shares clinical and genomic similarities with epithelial ovarian cancer, suggesting a correlation with ‘BRCAness’. Niraparib, a potent PARP1 and PARP2 inhibitor, was shown to have a positive impact on platinum-sensitive recurrent ovarian cancer, regardless of the presence or absence of BRCA status. Our hypothesis is that patients with stage III, stage IV and platinum-sensitive recurrent USC receiving niraparib maintenance in addition to standard therapy for USC may have an improved progression-free survival.

Methods and analysis
Participating sites include the primary site, Northwell Health Zucker Cancer Centre, and secondary site, Rutgers Cancer Institute of NJ. Females over the age of 18 with stage III, stage IV or platinum-sensitive recurrent USC will be recruited and enrolled based on inclusion/exclusion criteria. 24 subjects will be enrolled during phase 1 and 21 subjects will be enrolled during phase 2, over a total of 3 years. Patients will receive an individualised dose of niraparib daily every 28 days per cycle for 1 year or until progression of disease. Follow-up of disease status will continue for 5 years poststudy treatment. This phase II clinical trial will employ a Simon two-stage minimax design to test the null hypothesis that the 1 year response rate is

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Protocol for a global menopause priority setting partnership

Introduction
All those born with functioning ovaries will eventually experience menopause, and many will be symptomatic. However, significant gaps in the evidence base for menopause care remain. This National Institute for Health and Care Research James Lind Alliance Menopause Priority Setting Partnership (MAPS) will engage with clinicians and those with lived experience globally to determine the leading priorities for future menopause research.

Methods and analysis
MAPS will follow the established James Lind Alliance methodology which has already resulted in over 100 ‘top 10’ research priorities across health domains. It will be led by a steering group comprised of clinicians and lived experience members. Leveraging the networks of steering group members and partner organisations, the priority setting partnership will identify evidence uncertainties using an online survey. Evidence checking will be undertaken to determine which questions have already been answered. Prioritisation will be done in two stages, initially by online survey and then at a face-to-face workshop.

Ethics and dissemination
Ethical approval was not required. The final top 10 priorities for menopause, as ranked by stakeholders at the final consensus workshop, will be disseminated in the relevant peer-reviewed journals. A final report will be available on the MAPS and James Lind Alliance websites. The leading priorities will inform the future global research agenda for menopause.

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Self-management dilemmas and influencing factors of patients during the waiting period for heart transplantation in China based on the social ecosystem: a qualitative study

Objectives
To investigate the self-management challenges and influencing factors faced by patients during the waiting period for heart transplantation through the lens of social ecology as well as to explore the family management needs of Chinese patients with end-stage heart disease during this critical waiting period.

Design
During March 2023 to March 2024, purposive sampling was adopted to conduct in-depth interviews with 11 patients awaiting heart transplantation and their primary caregivers at a Class III Grade A hospital in Nanjing, China. A phenomenological research approach was adopted, and Colaizzi’s method was applied to analyse the data and extract the key themes.

Setting
The study involved face-to-face interviews at a Grade A hospital in Nanjing, China.

Participants
During March 2023 to March 2024, face-to-face interviews were conducted with 11 patients and their primary caregivers.

Results
The analysis identified the primary reasons for patients’ limited self-management capacity, yielding 3 overarching themes with 12 subthemes. At the micro level, physical discomfort and inadequate self-management abilities were prominent, as patients experienced persistent physical discomfort, challenges in alleviating symptoms, insufficient knowledge about self-management, a lack or loss of belief in their ability to manage their health and prolonged periods of anxiety and depression. At the meso level, the study identified limited family support, inadequate professional medical assistance and insufficient social support. These issues manifested as limited caregiving capacity within families, increased financial burdens on households, insufficient educational resources and guidance provided by medical staff, a lack of continuity in care across different settings and the absence of supportive social networks. At the macro level, systemic challenges such as the unequal distribution of medical resources and the absence of a comprehensive long-term follow-up mechanism were identified as significant barriers to effective patient management.

Conclusion
The dynamic interaction among the micro, meso and macro systems significantly influenced patients’ motivation and capacity for self-management, thereby ultimately affecting the progression of their disease and their overall quality of life. To address these challenges, healthcare providers must prioritise comprehensive health guidance for patients during the heart transplantation waiting period. Emphasis should be placed on developing robust family-centred management plans tailored to the unique needs of these patients. In addition, there is a pressing need to establish a coordinated, three-tiered management system that integrates hospitals, families and community resources so as to provide holistic and continuous care for patients awaiting heart transplantation.

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Womens perspectives of decision-making for labour and birth: a qualitative antenatal-postnatal paired interview study

Objectives
To understand and compare women’s antenatal and postnatal views on: (1) priorities for information provided about labour and delivery and (2) decision-making in labour and delivery.

Design
Qualitative interview study using repeat interviews at two time points: during pregnancy (≥13 weeks gestation); and after birth (≥6 weeks).

Setting
Large maternity hospital in the Southwest of England.

Participants
Pregnant women accessing antenatal care were purposively sampled and recruited antenatally by community midwives to ensure representation from different sociodemographic groups, with diverse experiences of low and high-risk care.

Data collection
Telephone interviews with a single researcher using a semistructured interview topic guide.

Data analysis
Interviews were audio recorded, transcribed verbatim, and qualitative thematic analysis was conducted using Braun and Clarke’s six-stage process.

Results
Twelve women participated (12 antenatal interviews; 10 follow-up postnatal interviews). Overall, women’s postnatal views were consistent with their antenatal views about what they wanted to know and the factors that influence decision-making. Three themes were generated. Theme 1 ‘Sources of information’ presents evidence of how women obtain and use information (sub-themes: ‘social influences’, ‘patient responsibility for information seeking’, ‘NHS vs non-NHS resources’). Theme 2 reports women’s views and experiences of ‘The influence of Healthcare Professionals in decision-making’ (sub-themes ‘patient and professional roles in decision-making’, ‘conflicting advice and preferences’, ‘taking authority in emergency decision-making’). The final theme, theme 3, ‘When, how, and what information women want’ shows women want time to process information (sub-themes ‘when: it’s definitely information and time’, ‘how: presentation of information’, ‘what: information required’). Cross-cutting all themes, we found an unmet need for information to be tailored to the individual.

Conclusions
Women understand decision-making during labour and birth is a dynamic process. Women can struggle with the volume, quality and timing of information available. In busy maternity settings, the challenge is to better equip women with the information they want, and health professionals with the information they need to provide for personalised care and shared decision-making. Antenatal interventions that warrant further research include decision aids, birth plans, and structured counselling using core information sets. Insights from both antenatal and postnatal perspectives will help inform their development.

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Impact of an educational physiotherapy-yoga intervention on perceived stress in women treated with brachytherapy for cervical cancer: a randomised controlled mixed study protocol (KYOCOL)

Introduction
Cervical cancer is a major global health issue. The standard treatment for locally advanced disease involves radiochemotherapy followed by uterovaginal brachytherapy (UBT). UBT requires several days of hospitalisation and strict bed rest. UBT often induces pain, anxiety, stress, distress and a decline in physical capacity during and after treatment. Previous research suggests that non-pharmacological interventions, such as yoga, may help alleviate these issues. However, few studies have specifically evaluated their effectiveness in reducing stress during UBT. Furthermore, patient education has been shown to facilitate autonomous practice and to improve patient empowerment. This study aims to evaluate the impact of the KYOCOL protocol, which integrates both a physiotherapy-yoga intervention and an educational programme, on perceived stress and its correlates in patients undergoing UBT.

Methods and analysis
KYOCOL is an ongoing randomised, prospective trial carried out in three French comprehensive cancer centres, using a quantitative approach complemented by a qualitative component. Eighty patients are planned to be randomised (1:1) into a control arm (standard care) or an intervention arm. In the intervention arm, patients will be educated and supervised by a trained physiotherapist in a physiotherapy-yoga programme and will then perform daily autonomous sessions during UBT and for up to 15 days post-treatment. The primary objective is to assess the impact of the KYOCOL intervention compared with standard care during UBT, on perceived stress 15 days post-UBT, using the 10-item Perceived Stress Scale. Secondary objectives include evaluating the safety of the intervention, its effects on stress, pain and fatigue during UBT, and patient adherence to the programme. Qualitative analyses based on semistructured interview surveys will be conducted to gather valuable information and analyse in depth patients’ experiences with the intervention and UBT.

Ethics and dissemination
This study was approved by the French ethics committee (Comité de Protection des Personnes Ouest V, reference number 2023-A01491-44) on 22 February 2024 and will be carried out in accordance with the good clinical practice guidelines and the Declaration of Helsinki. The results will be shared with patients and healthcare professionals and published in a peer-reviewed journal.

Trial registration number
NCT06263283.

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Relational influences on help-seeking for mental health and substance use problems among people experiencing social marginalisation: a scoping review

Objectives
Understand the relational influences on help-seeking for mental health and substance use problems among people experiencing social marginalisation, with a focus on research applying social capital theory and social network analysis methods.

Design
Scoping review.

Data sources
EMBASE, Web of Science, Criminal Justice Abstracts and SocINDEX were searched up to June 2023, and Web of Science email alerts were used to capture any further publications up to June 2024.

Eligibility criteria
English-language, peer-reviewed publications that (1) focused on/discussed help-seeking for mental health or substance use problems; (2) included adults experiencing social marginalisation beyond sociodemographic factors; and (3) applied social capital theory or social network analysis methods.

Data extraction and synthesis
We extracted and charted data pertinent to review objectives and narratively synthesised results.

Results
Twenty-seven papers were included. Most (n=19) focused on the experiences of people who used drugs. Five specifically focused on help-seeking, four of which applied quantitative social network analysis, one was framed by network theories of social capital and one referred to social capital in interpreting findings. The remaining 22 papers discussed help-seeking while focused on different phenomena. Seven of these framed their approach with social capital, but none explicitly applied social capital to help-seeking. Eight papers used social network analysis, with four focused on help-seeking and seven using personal networks. Social/relational influences identified included: fear of losing social capital, the risks of high bonding capital, service providers as social capital, selective help-seeking, trust and network culture. Social capital, interconnected with the tight-knit bonds within marginalised groups, could deter help-seeking. Knowledge and attitudes towards help and help-seeking, shaped by past experiences and network cultures, influenced help-seeking and contributed to a cautious and selective approach.

Conclusion
Theoretical elaboration and empirical research are required to better appreciate the relational influences on help-seeking for mental health and substance use problems among people experiencing social marginalisation. Social capital may provide a useful theoretical approach. While social network analysis methods have been applied, they are under-utilised.

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Predictors of sickness absence and intention to leave the profession among NHS staff in England during the COVID-19 pandemic: a prospective cohort study

Objectives
This study aims to determine key workforce variables (demographic, health and occupational) that predicted National Health Service (NHS) staff’s absence due to illness and expressed intention to leave their current profession.

Design, setting and participants
Staff from 18 NHS Trusts were surveyed between April 2020 and January 2021, and again approximately 12 months later.

Outcome measures
Logistic and linear regression were used to explore relationships between baseline exposures and four 12-month outcomes: absence due to COVID-19, absence due to non-COVID-19 illness, actively seeking employment outside current profession and regularly thinking about leaving current profession.

Results
22 555 participants (out of a possible 152 286 employees; 15%) completed the baseline questionnaire. 10 831 participants completed the short follow-up questionnaire at 12 months and 5868 also completed the long questionnaire; these participants were included in the analyses of sickness absence and intention to leave, respectively. 20% of participants took 5+ days of work absence for non-COVID-19 sickness in the 12 months between baseline and 12-month questionnaire; 14% took 5+ days of COVID-19-related sickness absence. At 12 months, 20% agreed or strongly agreed they were actively seeking employment outside their current profession; 24% thought about leaving their profession at least several times per week. Sickness absence (COVID-19 and non-COVID-19 related) and intention to leave the profession (actively seeking another role and thinking about leaving) were all more common among NHS staff who were younger, in a COVID-19 risk group, had a probable mental health disorder, and who did not feel supported by colleagues and managers.

Conclusions
Several factors affected both workforce retention and sickness absence. Of particular interest are the impact of colleague and manager support because they are modifiable. The NHS workforce is likely to benefit from training managers to speak with and support staff, especially those experiencing mental health difficulties. Further, staff should be given sufficient opportunities to form and foster social connections. Selection bias may have affected the presented results.

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Comprehensive Geriatric Assessment in primary healthcare: a scoping review protocol

Objectives
To compile and compare the Comprehensive Geriatric Assessment (CGA) models that exist worldwide and their applicability in primary healthcare (PHC).

Introduction
The world’s population is ageing rapidly, but health systems are slow to keep up with this trend, making it difficult to provide care for older adults. The broad concept of frailty has prompted a comprehensive and holistic approach to patients, where the assessment is related not only to functional, physical and cognitive abilities of the older adults, but also their social, environmental and economic context. In recent decades, the approach to frailty has taken the CGA as the gold standard. With this project, we intend to carry out a scoping review to identify and describe tools to help standardise and generalise CGA in PHC.

Inclusion criteria
Individuals aged 65 years or over; CGA in a PHC setting; the CGA methods reported must include at least three domains: physical, cognitive and social; Articles without language restrictions; Articles published in the last 30 years.

Methods
All studies that refer to CGA models and fulfil the inclusion criteria will be selected. A bibliographic search of articles will be carried out using the following electronic scientific publication databases: MEDLINE-PubMed, Embase, Cochrane Library and Web of Science. We will search for grey literature on sites such as ‘OpenGrey’ and thesis repositories such as RCAAP, EBSCO and EThOS, as well as on the WHO pages. The articles will be independently selected by two reviewers, and the data will be presented in narrative format, structured according to the objective, focus and question of the review.

Ethics and dissemination
Approved by the ethics committee of the regional health administration of the centre, registered as Project 11/2024 and approved on 8 May 2024. The findings of this study will be disseminated through peer-reviewed publications and national or international conference presentations. Updates of the review will be conducted, as necessary.

Trial registration number
Open Science (DOI 10.17605/OSF.IO/REH43).

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Understanding peer support among healthcare assistants delivering hospice care at home: a protocol for a realist review

Introduction
Globally, the demand for community palliative care, delivered within the home setting, is rising. Hospice support workers, also referred to as healthcare assistants, play a crucial role in providing this care, but evidence indicates they face challenges relating to inadequate training, isolation and emotional labour. This realist review aims to understand how peer support interventions can support healthcare assistants in delivering hospice care at home.

Methods and analysis
The realist review will follow a five-step process to explore the research question: (1) locating existing initial programme theories, (2) searching for evidence, (3) selecting and appraising evidence, (4) extracting and organising data and (5) synthesising evidence and drawing conclusions. Comprehensive searches of academic databases (CINAHL, MEDLINE, AMED, Scopus) and grey literature sources will be conducted between November and December 2024, with no restrictions on publication date applied. Search strategies will be iteratively refined, with evidence selected based on relevance and rigour. Data will be extracted and coded using a realist logic model of analysis. The review will develop an explanatory programme theory for peer-to-peer interventions which would identify what, how, for whom, why and in what circumstances peer-to-peer interventions may support delivery of hospice care at home. It will explore the contexts, mechanisms and outcomes of these interventions using context-mechanism-outcome configurations.

Ethics and dissemination
Ethical approval is not required as the review involves no primary data collection. This review aims to clarify research gaps, inform next stages of a wider study, policy and practice. Reporting of the findings will adhere to RAMESES publication standards for realist syntheses, ensuring transparency and rigour in reporting. Results will be disseminated through peer-reviewed publications, conference presentations and other strategies identified by the stakeholder group.

PROSPERO registration number
CRD42024606133.

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