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Patterns of follow-up testing of abnormal eGFR and UACR for the detection of chronic kidney disease in Australian primary care: analysis of a national general practice dataset

Por: Li · A. K. · Kotwal · S. · Wallace · H. · Ketema · D. B. · Wick · J. · Neuen · B. L. · Falster · M. O. · Lin · J. · Pearson · S.-A. · Peiris · D. · Jardine · M. J. · Woodward · M. · Chalmers · J. · Ronksley · P. E. · Jun · M.
Objective

To evaluate the patterns of abnormal estimated glomerular filtration rate (eGFR) and urine albumin–creatinine ratio (UACR) follow-up testing for the detection of chronic kidney disease (CKD) in Australian general practices.

Design

Retrospective, population-based observational study.

Setting and participants

2 717 966 adults who visited a MedicineInsight participating general practice between 1 January 2012 and 31 December 2020, had ≥1 serum creatinine measurement (with or without a UACR measurement) and did not have CKD at baseline.

Main outcome measure

‘Guideline-concordant follow-up’ was defined as having a record of a repeat eGFR or UACR testing (assessed separately) within 6 months following the abnormal (eGFR2; UACR≥2.5 mg/mmol in males, ≥3.5 mg/mmol in females) incident result. Multivariable logistic regression was used to identify patient factors associated with receiving appropriate follow-up testing.

Results

A total of 220 841 and 114 889 patients with an abnormal incident eGFR and UACR result, respectively, were identified. Nearly half (45.0%) of the patients with an abnormal eGFR result and over two-thirds (69.7%) of the patients with an abnormal UACR result did not have a follow-up test within 6 months. Patient factors associated with a higher likelihood of follow-up eGFR testing included indicators of poorer baseline health and greater CKD risk, such as comorbid diabetes (adjusted OR 1.36, 95% CI 1.32 to 1.40) or more severe incident eGFR (adjusted ORs for eGFR categories 30–44, 15–29 and

Conclusions

In this large, population-based study, we observed substantial gaps in the follow-up of abnormal eGFR and UACR for the detection of CKD in primary care settings. Effective strategies to optimise follow-up testing for CKD detection are needed.

Understanding and improving responses to suicidality for Department of Veterans Affairs clients in Queensland: a data linkage study - project protocol

Por: Meurk · C. S. · Janca · E. · Oltvolgyi · C. · McKay · D. · Lane · J. · Wallace · D. · Khoo · A. · Waterson · E. · Heffernan · E.
Introduction

This project aims to comprehensively examine the incidence of suicidality, individual and population characteristics, and health pathways, for a cohort of Australian veterans using linked administrative data.

Methods and analysis

The cohort will comprise veterans who are clients of the Department of Veterans’ Affairs (DVA) residing in Queensland between 1 January 2017 and 31 December 2022. People currently serving in the Australian Defence Force, Australian Federal Police personnel, other DVA clients who are not veterans (eg, eligible dependents), and clients currently known to DVA who have requested that their data not be disclosed for research will be excluded. This cohort will be linked to DVA administrative data, the Queensland Hospital Admitted Patients Data Collection (QHAPDC), Queensland Hospital Non-Admitted Patients Data Collection, Emergency Data Collection (EDC), Consumer Integrated Mental Health and Addiction Application (CIMHAA), Queensland Death Register, National Death Index, Medicare Benefits Schedule, Centrelink (Data Over Multiple Individual Occurrences) database and Pharmaceutical Benefits Scheme. These data will be linked for a period of at least 1-year preindex and postindex contact with DVA, such that the entire study period is expected to encompass at least 1 January 2016 to 31 December 2023.

Ethics and dissemination

This study received ethical approval from the Departments of Defence and Veterans’ Affairs Human Research Ethics Committee (HREC; Project ID: 556-23), and the Australian Institute of Health and Welfare HREC (Project ID: EO2024/1/1461). This project also received Public Health Act approval (File reference: PHA 556-23). The project was ratified by the University of Queensland HREC (Project ID: 2024/HE002153). The findings of this project will be disseminated via a publicly available report, presentations and peer-reviewed publications.

The leishmaniases in Kenya: a scoping review sub-analysis of diagnostics

Por: OBrien · K. · Grifferty · G. · Shirley · H. · George · S. · Binkley · A. · Orriols · A. M. · Espinola Coombs · P. · Williams · A. L. · Wong · M. G. · Roe · S. · Wallace · F. · Tschoepe · K. · Hirsch · J. L. · Wamai · R.
Objectives

Leishmaniasis poses a significant public health problem in Kenya, where effective case management and treatment rely on accurate diagnosis. This review aims to summarise the research landscape on leishmaniasis diagnostics in Kenya and identify gaps.

Design

This scoping review expands a previously published scoping review on leishmaniasis in Kenya to further analyse studies focusing on diagnostics. The field of diagnostics was chosen because of recent pushes for novel tools and because of the role timely diagnosis plays in disease elimination. A comprehensive search of PubMed, Embase via Embase.com, Web of Science Core Collection, the Cochrane Library, ClinicalTrials.gov, WHO ICTRP and the Pan African Clinical Trials Registry was conducted, covering studies up to 5 January 2024.

Results

After dual, blind screening with conflict resolution by a third reviewer, 41 studies were included in the review. These studies examined a range of diagnostic tools; however most were assessed in one or few studies, and none evaluated real-time PCR. Additional gaps in the research landscape include a lack of diagnostics for cutaneous leishmaniasis and post-kala-azar dermal leishmaniasis in Kenya, outdated literature surrounding the Direct Agglutination Test and randomised trials for any diagnostic tool.

Conclusions

Future research should focus on solidifying the validity and reliability of diagnostic tools in the Kenyan context and updating previous work.

Leishmaniases in Kenya: a scoping review subanalysis of vectors

Por: OBrien · K. · Grifferty · G. · Shirley · H. · Wanjiku · C. · Binkley · A. · Williams · A. L. · Espinola Coombs · P. · Wong · M. G. · Roe · S. · Wallace · F. · Tschoepe · K. · Orriols · A. M. · Hirsch · J. L. · Wamai · R.
Objectives

Vector control is imperative for eliminating leishmaniasis as a public health problem in Kenya. As elimination efforts expand in East Africa, it is crucial to understand the current research landscape. To address that need and identify gaps, a scoping review was conducted to characterise the landscape of leishmaniasis vector research in Kenya.

Design

Building on a previously published scoping review by this team, we updated database searches in PubMed, Embase via Embase.com, Web of Science Core Collection, the Cochrane Library, ClinicalTrials.gov, WHO International Clinical Trials Registry Platform (ICTRP) and the Pan African Clinical Trials Registry to incorporate literature up to 4 January 2024 and focused on vector-related papers. Studies classified as ‘prevention’ in the original scoping review were included due to overlapping definitions.

Results

A total of 95 studies were included in the analysis. Although a wide range of sandfly species have been documented, most of the research is outdated, having taken place 20–40 years ago. Existing studies are mostly epidemiological with little focus on basic and clinical research. There are also no studies on post-kala-azar dermal leishmaniasis despite its potential contribution to the disease transmission cycle. The geographical scope of the research is largely limited to traditional transmission foci with little attention to new disease hotspots such as North Eastern Kenya.

Conclusions

These research gaps need to be addressed to better inform the country’s leishmaniasis prevention and vector control strategy.

Advocates, Academics, Survivors and Clinicians to END Intimate Partner Violence (ASCEND-IPV) initiative: a prospective observational case-control study protocol to identify plasma biomarkers of intimate partner violence (IPV)-caused brain injury (BI)

Por: Harper · M. I. · McKinney · K. · McLennan · C. · Adhikari · S. P. · Ghodsi · M. · Cooper · J. G. · Stukas · S. · Maldonado-Rodroguez · N. · Agbay · A. · Morelli · T. · Nouri Zadeh-Tehrani · S. · Lorenz · B. R. · Rothlander · K. · Smirl · J. D. · Wallace · C. · Symons · G. F. · Brand · J
Introduction

Although as many as 92% of survivors of physical intimate partner violence (IPV) report impacts to the head and/or non-fatal strangulation (NFS) that raise clinical suspicion of brain injury (BI), there are no evidence-based methods to document and characterise BI in this vulnerable population, limited clinical practice guidelines and insufficient understanding about long-term risks for conditions including Alzheimer’s Disease and Related Dementias (ADRD). This leaves most survivors of IPV-caused BI (IPV-BI), overwhelmingly women, without adequate access to medical care and support, safe housing, back-to-school/work accommodations or follow-up care for long-term neurocognitive health. Although traumatic brain injury (TBI) is an established ADRD risk factor, little is known about the attributable risk of ADRD due to IPV-BI, particularly in women.

Methods of analysis

Our overarching objectives are to (1) use plasma biomarkers as novel tools to assist clinicians to improve diagnosis of IPV-BI at the acute, subacute and chronic stages in a manner sensitive to the needs of this vulnerable population and (2) raise awareness of the importance of considering IPV-BI as a potential ADRD risk factor. A prospective observational study funded by the US Department of Defense (HT9425-24-1-0462), Brain Canada (6200) and the Canadian Institutes of Health Research (523320-NWT-CAAA-37499) leverages collaborative research at multiple clinical sites in British Columbia to maximise equity, diversity and inclusion among participants, with a target enrolment of n=600 participants.

The Advocates, Academics, Survivors and Clinicians to END Intimate Partner Violence Biomarkers study, which is predicated on pre-specified research questions, represents one of the most significant community-based studies on plasma biomarkers affected by an IPV-BI incident. Of particular significance is the fact our study uses robust biomarker approaches being applied in the TBI and ADRD fields to determine how the biomarker profile after IPV-BI compares to typical TBI and the early stage of neurodegenerative disorders.

Ethics and dissemination

This study was approved by the University of British Columbia Clinical Research Ethics Board (H24-01990, H22-02241 and H16-02792) and the Island Health Research Ethics Board (H22-03510). Upon publication of primary papers, de-identified data and biospecimens will be made widely available, including the US Federal Interagency Traumatic Brain Injury Research (FITBIR) federated database. Our data and integrated knowledge translation activities with persons with lived experience of IPV-BI and those working in the healthcare sector will be synthesised into co-designed and implemented knowledge tools to improve outcomes for survivors of IPV-BI.

Quality of care for people with chronic kidney disease: a systematic review and meta-analysis

Por: Ketema · D. B. · Wallace · H. · Hailu · W. · Badve · S. V. · Ronksley · P. · Neuen · B. L. · Pecoits-Filho · R. · Gallagher · M. · Kotwal · S. · Perkovic · V. · Joshi · R. · Jun · M.
Objectives

Guideline-based strategies to prevent chronic kidney disease (CKD) progression and complications are available, yet their implementation in clinical practice is uncertain. We aimed to synthesise the available evidence on the concordance of CKD care with clinical guidelines to identify gaps and inform future CKD care.

Design

Systematic review and meta-analysis.

Data sources, participants, and outcomes

We systematically searched MEDLINE (OVID), EMBASE (OVID) and CINAHL (EBSCOhost) (to 18 July 2025) for observational studies of adults with CKD reporting data on the quality of CKD care. We assessed data on quality indicators of CKD care across domains that related to patient monitoring (glomerular filtration rate and albuminuria), medications use (ACE inhibitors (ACEIs) and angiotensin receptor blockers (ARBs), statins) and treatment targets (blood pressure (BP) and HbA1c). Pooled estimates (95% CI) of the percentage of patients who met the quality indicators for CKD care were estimated using random effects model.

Results

59 studies across 24 countries, including a total of 3 003 641 patients with CKD, were included. Across studies, 81.3% (95% CI: 75% to 87.6%) of patients received eGFR monitoring, 47.4% (95% CI: 40.0% to 54.7%) had albuminuria testing, and 90% (95% CI: 84.3% to 95.9%) had BP measured. ACEIs/ARBs were prescribed among 56.7% (95% CI: 51.5% to 62%), and statins among 56.6% (95% CI: 48.9% to 64.3%) of patients. BP (systolic BP ≤140/90 mm Hg) and HbA1c (

Conclusions

Current evidence shows substantial variation in CKD care quality globally. Guideline-concordant care varied according to quality measures and across patient groups, with gaps in indicators like albuminuria testing. These findings underscore the need for effective quality improvement strategies to address gaps in CKD care, including increased albuminuria testing for risk stratification, together with systematic measures for monitoring care quality.

PROSPERO registration number

CRD42023391749.

Protocol for development of a checklist and guideline for transparent reporting of cluster analyses (TRoCA)

Por: Lisik · D. · Shah · S. A. · Basna · R. · Dinh · T. · Browne · R. P. · Andrews · J. L. · Wallace · M. · Ezugwu · A. · Marusic · A. · Tran · D. · Torres-Sospedra · J. · Dam · H.-C. · Fournier-Viger · P. · Hennig · C. · Timmerman · M. · Warrens · M. J. · Ceulemans · E. · Nwaru · B. I. · Herna
Introduction

Cluster analysis, a machine learning-based and data-driven technique for identifying groups in data, has demonstrated its potential in a wide range of contexts. However, critical appraisal and reproducibility are often limited by insufficient reporting, ultimately hampering the interpretation and trust of key stakeholders. The present paper describes the protocol that will guide the development of a reporting guideline and checklist for studies incorporating cluster analyses—Transparent Reporting of Cluster Analyses.

Methods and analysis

Following the recommended steps for developing reporting guidelines outlined by the Enhancing the QUAlity and Transparency Of health Research Network, the work will be divided into six stages. Stage 1: literature review to guide development of initial checklist. Stage 2: drafting of the initial checklist. Stage 3: internal revision of checklist. Stage 4: Delphi study in a global sample of researchers from varying fields (n=) to derive consensus regarding items in the checklist and piloting of the checklist. Stage 5: consensus meeting to consolidate checklist. Stage 6: production of statement paper and explanation and elaboration paper. Stage 7: dissemination via journals, conferences, social media and a dedicated web platform.

Ethics and dissemination

Due to local regulations, the planned study is exempt from the requirement of ethical review. The findings will be disseminated through peer-reviewed publications. The checklist with explanations will also be made available freely on a dedicated web platform (troca-statement.org) and in a repository.

Bridging the digital divide for people with aphasia: a study protocol for codesigning web accessibility tools and guidelines

Por: Lee · J. · Worthy · P. · Deslandes · R. · Burton · B. · Copland · D. A. · Jamieson · P. · Barron · K. · Togher · L. · Shrubsole · K. · Shiggins · C. · Campbell · J. · Hill · A. · Wiles · J. · Haslam · S. A. · Wallace · S. J.
Introduction

Aphasia is a language impairment that affects one-third of people who experience a stroke. Aphasia can impact all facets of language: speaking, understanding, reading and writing. Around 60% of people with aphasia have persistent language impairments 1 year after their stroke, requiring ongoing healthcare and support. In recent years, the internet has become a key resource for the self-management of chronic health conditions. Navigating web content, however, requires language use, and as such, people living with aphasia are more likely to be excluded from digital health and support services. Web Content Accessibility Guidelines exist; however, they do not fully address the unique and diverse needs of people with aphasia, and a significant proportion of websites (over 90%) do not fully adhere to them. This protocol paper describes the first two stages of the Bridging the Digital Divide project, which aims to codesign and develop (a) a web-browser extension to re-render webpages to an ‘aphasia-friendly’ (accessible) format, (b) training tools to help users and health professionals customise the web-browser extension and (c) guidelines for developing communication-accessible websites.

Methods and analysis

The research will be conducted using experience-based codesign. In Stage 1a, focus groups will be held with (1) people with aphasia, (2) family members or significant others and (3) health professionals working with people with aphasia. Participants will be asked to share their experiences of accessing (or supporting a person with aphasia to access) healthcare, information and support services on the web. The nominal group technique (NGT) will be used to identify priorities for improving web accessibility for people with aphasia. Focus group data will be analysed using reflexive thematic analysis, and prioritisation data will be analysed using inductive qualitative content analysis. In Stage 1b, eight codesign workshops will be held with representatives of the three key stakeholder groups to iteratively codesign and develop a web-browser extension, training tools and guidelines to support web accessibility.

Ethics and dissemination

Ethical clearance for Stage 1a and Stage 1b of this project has been approved by the University of Queensland Human Research Ethics Committee (Stage 1a approval number: 2023/HE000528, Stage 1b approval number: 2024/HE000721). The outcomes of this research will be disseminated in peer-reviewed journals and presented at national and international conferences. A dissemination and celebration event will be held at the completion of the project.

Developing service models for adult palliative and end of life care for people with a learning disability (The DAPPLE Project): protocol for a mixed-method study

Por: Tuffrey-Wijne · I. · Tilley · E. · Tyler · F. · Islam · Z. · Borgstrom · E. · Jordan · J. · Glover · G. · Wallace · L. · Roberts · C. · Giles · J. · Keagan-Bull · R. · Cresswell · A. · Anderson-Kittow · R.
Introduction

People with a learning disability face significant health and mortality inequalities as well as wider systemic inequities. Challenges in palliative and end of life care (PEOLC) include communication difficulties, lack of involvement in decision-making and multimorbidity. Early identification of PEOLC needs is challenging, impacting timely care planning. The study aims to (1) understand barriers and enablers to providing high-quality, accessible PEOLC for people with a learning disability, and identify effective service delivery models and interventions and (2) improve PEOLC quality and accessibility by developing robust guidance for health and social care services.

Methods and analysis

This is a mixed-methods study guided by the NHS England 2021 Ambitions Framework and adopting the Social Model of Disability. There are four workstreams: (1) a retrospective cohort analysis of the Clinical Practice Research Datalink; (2) a rapid scoping review; (3) field work in four study sites across England, involving (a) interviews with senior leaders and commissioners (n=up to 16) and informal stakeholder engagement conversations; (b) ethnographic case studies with people with a learning disability at the end of life (n=up to 20) and retrospective case reviews of people with a learning disability who have died (n=up to 40), using family and staff interviews and (c) development and piloting of methods for enabling systematic identification of PEOLC need, using experience-based co-design and (4) patient and public involvement (PPI) activities and a co-production group of 10 people with a learning disability to support data analysis and outputs. Data will be analysed using adapted framework analysis methodology. This is an inclusive, co-produced study with significant involvement of advisors and researchers with a learning disability as part of the study team.

Ethics and dissemination

Ethical approval has been obtained for workstreams 1, 3a and 3b. Significant attention has been paid to ensuring informed consent, making adjustments for capacity. Accessible information and consent forms will be used, involving consultees and adhering to the Mental Capacity Act for participants who lack capacity. Data security will follow General Data Protection Regulation rules. Dissemination will include patient exemplars, guidance and various resources, engaging stakeholders through multiple formats.

Study registration

researchregistry10500.

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