General Practice - Research Publications
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ItemSite-specific factors associated with clinical trial recruitment efficiency in general practice settings: a comparative descriptive analysis(BMC, 2023-03-04)BACKGROUND: Recruitment of participants is crucial to the success of randomised control trials (RCTs) but can be challenging and expensive. Current research on trial efficiency is often focused at the patient-level with an emphasis on effective recruitment strategies. Less is known about selection of study sites to optimise recruitment. We examine site-level factors that are associated with patient recruitment and cost efficiency using data from an RCT conducted across 25 general practices (GP) in Victoria, Australia. METHODS: Data on number of participants screened, excluded, eligible, recruited, and randomised from each study site were extracted from a clinical trial. Details regarding site characteristics, recruitment practices, and staff time commitment were collected using a three-part survey. The key outcomes assessed were recruitment efficiency (ratio of screened to randomised), average time, and cost for each participant recruited and randomised. To identify practice-level factors associated with efficient recruitment and lower cost, outcomes were dichotomised (25th percentile vs others) and each practice-level factor assessed against the outcomes to determine its association. RESULTS: Across 25 GP study sites, 1968 participants were screened of which 299 (15.2%) were recruited and randomised. The mean recruitment efficiency was 7.2, varying from 1.4 to 19.8 across sites. The strongest factor associated with efficiency was assigning clinical staff to identify potential participants (57.14% vs. 22.2%). The more efficient sites were smaller practices and were more likely to be rural locations and in areas of lower socioeconomic status. The average time used for recruitment was 3.7 h (SD2.4) per patient randomised. The mean cost per patient randomised was $277 (SD161), and this varied from $74 to $797 across sites. The sites identified with the 25% lowest recruitment cost (n = 7) were more experienced in research participation and had high levels of nurse and/or administrative support. CONCLUSION: Despite the small sample size, this study quantified the time and cost used to recruit patients and provides helpful indications of site-level characteristics that can help improve feasibility and efficiency of conducting RCT in GP settings. Characteristics indicative of high levels of support for research and rural practices, which often tends to be overlooked, were observed to be more efficient in recruiting.
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ItemSelf-reported reasons for reducing or stopping antidepressant medications in primary care: thematic analysis of the diamond longitudinal study(CAMBRIDGE UNIV PRESS, 2023-02-27)BACKGROUND: Current treatment guidelines advise that the deprescribing of antidepressants should occur around 6 months post-remission of symptoms. However, this is not routinely occurring in clinical practice, with between 30% and 50% of antidepressant users potentially continuing treatment with no clinical benefit. To support patients to deprescribe antidepressant treatment when clinically appropriate, it is important to understand what is important to patients when making the decision to reduce or cease antidepressants in a naturalistic setting. AIM: The current study aimed to describe the self-reported reasons primary care patients have for reducing or stopping their antidepressant medication. METHODS: Three hundred and seven participants in the diamond longitudinal study reported taking an SSRI/SNRI over the life of the study. Of the 307, 179 reported stopping or tapering their antidepressant during computer-assisted telephone interviews and provided a reason for doing so. A collective case study approach was used to collate the reasons for stopping or tapering. FINDINGS: Reflexive thematic analysis of patient-reported factors revealed five overarching themes; 1. Depression; 2. Medication; 3. Healthcare system; 4. Psychosocial, and; 5. Financial. These findings are used to inform suggestions for the development and implementation of antidepressant deprescribing discussions in clinical practice.
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ItemProactive breast cancer risk assessment in primary care: a review based on the principles of screening.(Springer Science and Business Media LLC, 2023-05)In the UK, the National Institute for Health and Care Excellence (NICE) recommends that women at moderate or high risk of breast cancer be offered risk-reducing medication and enhanced breast screening/surveillance. In June 2022, NICE withdrew a statement recommending assessment of risk in primary care only when women present with concerns. This shift to the proactive assessment of risk substantially changes the role of primary care, in effect paving the way for a primary care-based screening programme to identify those at moderate or high risk of breast cancer. In this article, we review the literature surrounding proactive breast cancer risk assessment within primary care against the consolidated framework for screening. We find that risk assessment for women under 50 years currently satisfies many of the standard principles for screening. Most notably, there are large numbers of women at moderate or high risk currently unidentified, risk models exist that can identify those women with reasonable accuracy, and management options offer the opportunity to reduce breast cancer incidence and mortality in that group. However, there remain a number of uncertainties and research gaps, particularly around the programme/system requirements, that need to be addressed before these benefits can be realised.
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ItemCommunication about early palliative care: A qualitative study of oncology providers' perspectives of navigating the artful introduction to the palliative care team(FRONTIERS MEDIA SA, 2022-12-09)BACKGROUND: Despite robust evidence for the integration of early palliative care for patients with advanced cancer, many patients still access this approach to care late. Communication about the introduction of Early Palliative Care is an important skill of healthcare providers working in this setting. In the context of limited community understanding about palliative care, patients and their families may express fear or negative reactions to its early introduction. Health professionals may lack the confidence or skill to describe the role and benefits of early palliative care. AIM: This study sought to explore clinicians' perspectives on communication about referral to early palliative care, specifically identifying facilitators in undertaking this communication task. METHODS: An exploratory qualitative study set within a tertiary oncology service in Victoria, Australia. Semi-structured interviews were conducted with purposively sampled oncology clinicians exploring their perspectives on communication about referral to early palliative care. A reflexive thematic analysis was undertaken by two researchers, including both latent and semantic coding relevant to the research question. Reporting of the research was guided by the Consolidated Criteria for Reporting Qualitative Research (COREQ) checklist. RESULTS: Twelve oncology clinicians (58% female, with 67% > 15 years clinical experience) from medical oncology, surgical oncology, and haematology participated. The artful navigation of communication about early palliative care was characterised by the need for a 'spiel' involving the adoption of a series of strategies or 'tactics' when introducing this service. These themes included: 1) Using carefully selected and rehearsed language; 2) Framing in terms of symptom control; 3) Framing as additive to patient care; 4) Selling the service benefits of early palliative care; 5) Framing acceptance of referral as an altruistic act; and 6) Adopting a phased approach to delivering information about palliative care. IMPLICATIONS: This study highlights the wide ranging and innovative communication strategies and skills required by health professionals to facilitate referral to early palliative care for cancer patients and their families. Future focus on upskilling clinicians around communication of this topic will be important to ensure successful implementation of models of early palliative care in routine cancer care.
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ItemManagement of Chlamydia Cases in Australia (MoCCA): protocol for a non-randomised implementation and feasibility trial(BMJ PUBLISHING GROUP, 2022-12-01)INTRODUCTION: The sexually transmitted infection chlamydia can cause significant complications, particularly among people with female reproductive organs. Optimal management includes timely and appropriate treatment, notifying and treating sexual partners, timely retesting for reinfection and detecting complications including pelvic inflammatory disease (PID). In Australia, mainstream primary care (general practice) is where most chlamydia infections are diagnosed, making it a key setting for optimising chlamydia management. High reinfection and low retesting rates suggest partner notification and retesting are not uniformly provided. The Management of Chlamydia Cases in Australia (MoCCA) study seeks to address gaps in chlamydia management in Australian general practice through implementing interventions shown to improve chlamydia management in specialist services. MoCCA will focus on improving retesting, partner management (including patient-delivered partner therapy) and PID diagnosis. METHODS AND ANALYSIS: MoCCA is a non-randomised implementation and feasibility trial aiming to determine how best to implement interventions to support general practice in delivering best practice chlamydia management. Our method is guided by the Consolidated Framework for Implementation Research and the Normalisation Process Theory. MoCCA interventions include a website, flow charts, fact sheets, mailed specimen kits and autofills to streamline chlamydia consultation documentation. We aim to recruit 20 general practices across three Australian states (Victoria, New South Wales, Queensland) through which we will implement the interventions over 12-18 months. Mixed methods involving qualitative and quantitative data collection and analyses (observation, interviews, surveys) from staff and patients will be undertaken to explore our intervention implementation, acceptability and uptake. Deidentified general practice and laboratory data will be used to measure pre-post chlamydia testing, retesting, reinfection and PID rates, and to estimate MoCCA intervention costs. Our findings will guide scale-up plans for Australian general practice. ETHICS AND DISSEMINATION: Ethics approval was obtained from The University of Melbourne Human Research Ethics Committee (Ethics ID: 22665). Findings will be disseminated via conference presentations, peer-reviewed publications and study reports.
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ItemDeveloping and internally validating a prediction model for total knee replacement surgery in patients with osteoarthritis.(Elsevier BV, 2022-09)OBJECTIVE: The objective of this study was to develop and internally validate a clinical algorithm for use in general practice that predicts the probability of total knee replacement (TKR) surgery within the next five years for patients with osteoarthritis. The purpose of the model is to encourage early uptake of first-line treatment strategies in patients likely to undergo TKR and to provide a cohort for the development and testing of novel interventions that prevent or delay the progression to TKR. METHOD: Electronic health records (EHRs) from 201,462 patients with osteoarthritis aged 45 years and over from 483 general practices across Australia were linked with records from the Australian Orthopaedic Association National Joint Replacement Registry and the National Death Index. A Fine and Gray competing risk prediction model was developed using these data to predict the risk of TKR within the next five years. RESULTS: During a follow-up time of 5 years, 15,979 (7.9%) patients underwent TKR and 13,873 (6.9%) died. Predictors included in the final algorithm were age, previous knee replacement, knee surgery (other than TKR), prescribing of osteoarthritis medication in the 12 months prior, comorbidity count and diagnosis of a mental health condition. Optimism corrected model discrimination was 0.67 (95% CI: 0.66 to 0.67) and model calibration acceptable. CONCLUSION: The model has the potential to reduce some of the economic burden associated with TKR in Australia. External validation and further optimisation of the algorithm will be carried out prior to implementation within Australian general practice EHR systems.
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ItemThe Australian Reproductive Genetic Carrier Screening Project (Mackenzie's Mission): Design and Implementation(MDPI, 2022-11-01)Reproductive genetic carrier screening (RGCS) provides people with information about their chance of having children with autosomal recessive or X-linked genetic conditions, enabling informed reproductive decision-making. RGCS is recommended to be offered to all couples during preconception or in early pregnancy. However, cost and a lack of awareness may prevent access. To address this, the Australian Government funded Mackenzie’s Mission—the Australian Reproductive Genetic Carrier Screening Project. Mackenzie’s Mission aims to assess the acceptability and feasibility of an easily accessible RGCS program, provided free of charge to the participant. In study Phase 1, implementation needs were mapped, and key study elements were developed. In Phase 2, RGCS is being offered by healthcare providers educated by the study team. Reproductive couples who provide consent are screened for over 1200 genes associated with >750 serious, childhood-onset genetic conditions. Those with an increased chance result are provided comprehensive genetic counseling support. Reproductive couples, recruiting healthcare providers, and study team members are also invited to complete surveys and/or interviews. In Phase 3, a mixed-methods analysis will be undertaken to assess the program outcomes, psychosocial implications and implementation considerations alongside an ongoing bioethical analysis and a health economic evaluation. Findings will inform the implementation of an ethically robust RGCS program.
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ItemDementia Risk Reduction in Primary Care: A Scoping Review of Clinical Guidelines Using a Behavioral Specificity Framework(IOS PRESS, 2022-01-01)BACKGROUND: Primary care practitioners are being called upon to work with their patients to reduce dementia risk. However, it is unclear who should do what with whom, when, and under what circumstances. OBJECTIVE: This scoping review aimed to identify clinical guidelines for dementia risk reduction (DRR) in primary care settings, synthesize the guidelines into actionable behaviors, and appraise the guidelines for specificity. METHODS: Terms related to "dementia", "guidelines", and "risk reduction" were entered into two academic databases and two web search engines. Guidelines were included if they referred specifically to clinical practices for healthcare professionals for primary prevention of dementia. Included guidelines were analyzed using a directed content analysis method, underpinned by the Action-Actor-Context-Target-Time framework for specifying behavior. RESULTS: Eighteen guidelines were included in the analysis. Together, the guidelines recommended six distinct clusters of actions for DRR. These were to 1) invite patients to discuss DRR, 2) identify patients with risk factors for dementia, 3) discuss DRR, 4) manage dementia risk factors, 5) signpost to additional support, and 6) follow up. Guidelines recommended various actors, contexts, targets, and times for performing these actions. Together, guidelines lacked specificity and were at times contradictory. CONCLUSION: Currently available guidelines allow various approaches to promoting DRR in primary care. Primary care teams are advised to draw on the results of the review to decide which actions to undertake and the locally appropriate actors, contexts, targets, and times for these actions. Documenting these decisions in more specific, local guidelines for promoting DRR should facilitate implementation.
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ItemTransforming health settings to address gender-based violence in Australia(WILEY, 2022-07-07)Gender-based violence includes intimate partner violence, sexual violence and other harmful acts directed at people based on their gender. It is common in Australia and causes great ill health, especially for women victims/survivors, with Indigenous women particularly affected. Health services are an opportune place for early intervention for victims/survivors of gender-based violence as they attend frequently. Interventions that are evidence-based and respond to consensus from victim/survivor voices include universal education, screening in antenatal care, first line supportive care, and referral for advocacy and psychological interventions, including mother-child work. Health care staff require training, protocols, scripts, referral pathways, understanding of cultural safety and antiracist practice in service delivery, and leadership support to undertake this sensitive work, including support, if needed, for their own experiences of gender-based violence. Using a trauma-, violence- and gender-informed approach across health systems, taking into account structural inequities, is essential to sustain the gender-based violence work in health services. Gender-based violence experienced by Indigenous women is distinct and of urgent concern as rates rapidly increase. Inequities across the health system are pronounced for Indigenous women.
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ItemA critical interpretive synthesis of the most commonly used self-report measures in Australian mental health research(SAGE PUBLICATIONS LTD, 2016-10-01)OBJECTIVE: To critically examine the self-report measures most commonly used in Australian mental health research in the last 10 years. METHOD: A critical interpretive synthesis was conducted using seven outcome measures that were identified as most popular in 43 studies from three mental health journals. RESULTS: Results suggest that the amount and type of language used in outcome measures is important in both increasing the accuracy of the data collected and fostering positive experiences of data collection for participants. CONCLUSIONS: Results indicate that many of the measures most often used in Australian mental health research may not align with the current contemporary philosophy of mental health clinical practice in Australia.