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BJGP Open

Royal College of General Practitioners

Preprints posted in the last 30 days, ranked by how well they match BJGP Open's content profile, based on 12 papers previously published here. The average preprint has a 0.03% match score for this journal, so anything above that is already an above-average fit.

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The Telesafe archive: creating a database of UK primary care telephone consultations

Edwards, P. J.; Caddick, B.; Skeen, A.; Lin, J.; Ridd, M. J.; Barnes, R. K.; Salisbury, C.

2026-05-26 primary care research 10.64898/2026.05.19.26353559 medRxiv
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Background In 2024, one-third of GP appointments in England were conducted by telephone. What happens during these consultations is largely unknown. Aim To test the feasibility of collecting recorded GP telephone consultations with linked data and consent for future research use. Design and setting Retrospective observational study in seven practices in South West England. Method Adults who had a telephone consultation at practices that routinely record calls were invited to consent to retrieval of call audio, a 4-month electronic health record (EHR) extract and a post-consultation patient questionnaire. Practice-level consent rates were analysed using regression models. Results Of 28 clinicians recruited, 19 GPs had consultations with patients whose recordings were retrievable, usable, and consented for future research. Of 2,053 invitations, 123 patients consented (6.0%). Consent was lower in more deprived practices (IMD 1-2 vs 9-10: OR=0.22, 95CI=0.09-0.54). Of 101 recordings retrieved, 96 were usable and 91 had consent for future research. 86/91 were linked to EHRs and 89/91 to post-consultation patient questionnaires. Mean consultation duration was 7 minutes 13 seconds; audible typing was heard in 69% (63/91). 161 problems were discussed (mean 1.77 per consultation). Most patients were happy their consultation was by telephone (96/117, 82%), although the majority reported usually preferring face-to-face appointments (68/115, 59%). Conclusion It is feasible to assemble a reusable archive of GP telephone consultations with linked data. However, recruitment was low using retrospective remote consent. Future work should test alternative recruitment approaches, particularly to improve patient engagement at practices serving deprived populations.

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Prescription intervals of medications for chronic use: a cohort study

Muddiman, R.; Donoghue, P.; Gomez Lemus, J.; Doherty, A. S.; Boland, F.; McCarthy, C.; Moriarty, F.

2026-06-09 primary care research 10.64898/2026.06.08.26355164 medRxiv
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Purpose In deprescribing studies, a prescription-free gap is typically used to determine if patients discontinued their treatment. An appropriate gap depends on the typical time between prescriptions during continued use. This work aims to characterise the interval between prescriptions of chronic drugs using different methods for a cohort of older people in primary care in Ireland. Methods The empirical prescription interval was analysed for 38,154 patients for the twenty most common drug classes and the association between covariates and the interval was analysed using a multi-level model. Estimates were also compared to those obtained from the parametric waiting time distribution (pWTD) approach. Results Available covariates had consistent relationships with prescription intervals across drug classes. For example, each additional prescription issue was associated with an increase in the interval by 5.0 (NSAIDs) to 19.7 days ("Other antidepressants"). Full public health cover was associated with a -29.0 day (inhaled adrenergics) to -11.0 day (opioids) change relative to partial cover, while other/private cover had a -17.9 day (benzodiazepines and associated drugs) to -7.1 day (SSRI and SNRIs) change relative to partial cover. The pWTD also produced consistent estimates of the population interval for most drugs. Conclusions The interval varied substantially within drug classes, due to a mixture of patient, practice and unmodelled factors. Variation between practices was effectively explained, with residual variation between patients and within patients. The pWTD approach is useful for describing complex distributions of intervals, and may be more appropriate for inferring a gap than summarising truncated data.

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System-specific multimorbidity derived from prescribing data predicts colorectal cancer outcomes: a Scottish data-linkage study.

Barnett, K. N.; Williams, L.; Weller, D.; Mercer, S. W.; Guthrie, B.; Ward, H.; Brewster, D. H.; Hubbard, G.; Campbell, C.

2026-06-02 primary care research 10.64898/2026.05.30.26354508 medRxiv
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Multimorbidity, the co-existence of two or more long-term conditions, is up to three times more prevalent among people with cancer than in the general population and is associated with poorer survival, particularly for cancers with a more favourable prognosis such as colorectal cancer. In Scotland, multimorbidity is the norm among older adults, emerges earlier in socioeconomically deprived populations, and may contribute to comparatively low cancer survival rates. Despite this, the influence of multimorbidity on the colorectal cancer pathway remains poorly understood. We conducted a Scottish data-linkage study of adults diagnosed with colorectal cancer between 2010 and 2014, linking the Scottish Cancer Registry to national prescribing, hospital admissions, death registration, and bowel screening datasets. Prescribing data were used to derive overall and system-specific comorbidity measures as a proxy for multimorbidity and active disease burden. Associations with stage at diagnosis, treatment, survival, and screening uptake were examined using logistic regression and Cox proportional hazards models adjusted for demographic and clinical covariates. Among 19,043 patients, 87% had at least one prescribing-based comorbidity, most commonly cardiovascular, nervous system, and gastrointestinal conditions. Overall comorbidity burden was not associated with stage at diagnosis, although laxative-related prescribing was associated with later-stage disease. Increasing comorbidity burden reduced the likelihood of receiving any treatment and surgery, while associations varied across system-specific comorbidities. Higher comorbidity burden was also associated with increased all-cause and colorectal cancer-specific mortality, particularly among patients with respiratory, nervous system, and haematological/nutritional conditions. Screening uptake was not associated with overall comorbidity burden but did differ by system-specific comorbidity. Prescribing-based multimorbidity was highly prevalent and strongly associated with treatment patterns and mortality among patients with colorectal cancer. System-specific multimorbidity measures provided greater discrimination than overall morbidity counts, highlighting the importance of considering distinct multimorbidity profiles when assessing cancer pathways and designing targeted interventions for optimising treatment and survival. Keywords (primary health care, general practice, multimorbidity, comorbidity, colorectal cancer, early diagnosis, cancer treatment, survival)

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Understanding problems and solutions related to accessing cervical screening for people with a physical disability, condition, impairment or difference

Kemp, E.; Sim, J.; Wright-Bevans, K.; Renke, S.; Chew-Graham, C. A.; Finney, A.; Harper, C.; Marlow, L. A.; Sherman, S. M.

2026-06-03 primary care research 10.64898/2026.05.27.26354052 medRxiv
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Background Physically Disabled women are less likely to access cervical screening than non-disabled women, yet little research has been conducted to understand the problems that Disabled women face or potential solutions. Methods A cross-sectional online survey was conducted with 1493 UK-based participants who identified as having a physical disability, impairment, condition, or difference that makes cervical screening difficult or impossible. Participants were presented with statements about cervical screening problems and potential solutions and asked to indicate agreement using a 5-point scale. They also provided open-ended comments. Data were analysed using descriptive statistics, multinomial logistic regression and thematic analysis. Results More than half of participants reported delaying/missing (46.8%) or never attending (8.8%) screening, with most of those (71.0% and 81.4% respectively) indicating that the main reason was disability-related factors. The highest levels of agreement for problems were for concerns about pain, embarrassment, and fear of what the test might find and for potential solutions were for having a doctor or nurse who is willing to try different solutions, discusses specific needs, and understands physical disability. Never-attendance (OR = 0.022, 95% CI 0.014, 0.035) and delaying or missing appointments, (OR = 0.057, 95% CI 0.043, 0.076) negatively predicted future screening attendance. Six themes were identified from open-ended comments, supporting and extending the quantitative findings. Conclusion Disabled women face the same problems related to cervical screening as non-disabled women and additionally face disability-specific problems. Cervical sample taker training should incorporate ways to support physically Disabled women to have equitable access to screening.

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Experiences of families using an early example of neighbourhood multidisciplinary care for children and young people: A qualitative exploration using the theoretical framework of acceptability

Litchfield, I.; Dutton, F.; Harper, L.; Kaur, S.; Luxmoore, C.; Rahman, L.; Wolhuter, C.; Bird, C.

2026-05-19 primary care research 10.64898/2026.05.14.26353240 medRxiv
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Background In the United Kingdom, the National Health Service is attempting to address the ongoing challenges to heath equity in underserved children and young people (CYP) by creating Neighbourhood Multi-Disciplinary Teams (NMDTs) that combine health services, social care providers, local authorities, voluntary, community and faith and social enterprise is needed. Despite this significant shift in the delivery of care, there is a lack of suitably robust evidence of family experience to inform their development. This work contributes to this need using the experience and perspectives of families using the experience and perspectives of families using an early example of an NMDT for CYP the Sparkbrook Children's Zone in Birmingham, United Kingdom. Methods The study used data collected from two focus groups conducted with parents whose children had been treated by the Sparkbrook Children's Zone. The data were analysed using a directed content analysis to populate Sekhon's Theoretical Framework of Acceptability. Results In summary and by framework domain, we found that that individuals became aware of the SCZ through a range of sources, understanding that it was multidisciplinary if sometimes unsure of precisely the organisations involved (Intervention coherence) Parents described the benefits to access of a locally situated collocated service (Burden) the personalised relationship with providers (Cultural sensitivity0 extended conultation time, and support for the family's complex clinical needs (Perceived effectiveness) Conclusions Parents appeared to prefer the SCZ over usual primary care but more work is needed with larger sample sizes to ensure that the structure of NMDTs are understood and optimised.

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Effectiveness and cost-effectiveness of orthopaedic modifications to off-the-shelf footwear for people with first metatarsophalangeal joint osteoarthritis: study protocol for a randomised controlled trial

Veenstra, S.; Hulshof, C. M.; Bosmans, J. E.; Schiphof, D.; van der Grinten, M.; Kloprogge, S. E.; Braam, C.; Nugteren, L.; Bierma-Zeinstra, S. M. A.; van Middelkoop, M.

2026-05-15 orthopedics 10.64898/2026.05.12.26352874 medRxiv
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Introduction: Osteoarthritis (OA) is a chronic joint disease, often leading to pain, joint stiffness and impaired function. The first metatarsophalangeal (MTP-1) joint is the most frequently affected joint in foot OA. Footwear interventions might have potential to reduce pain for people with MTP-1 joint OA. The aim of this study is to determine the effectiveness and cost-effectiveness of orthopaedic modifications to off-the-shelf footwear in addition to usual care, compared to usual care alone, for people with MTP-1 joint OA. Methods and analyses: We perform a pragmatic, non-blinded, two-armed, parallel-group, randomised controlled trial (RCT). A total of 136 people with MTP-1 joint OA and presence of foot pain are recruited. Participants are randomised to orthopaedic modifications to off-the-shelf footwear in addition to usual care or to usual care alone. The footwear modifications comprise a combination of sole-stiffening, rocker sole adjustments and custom-made insoles. During a 12-month follow-up period, participants receive monthly questionnaires. Primary outcomes include walking pain at 6-month follow-up and quality-adjusted life years and societal costs at 12-month follow-up. Secondary outcomes include walking pain at 12-month follow-up and foot health, physical activity level, patient acceptability and self-reported recovery at 6- and 12-month follow-up. Intention-to-treat and per-protocol analyses will be performed using (generalised) linear mixed models. Ethics and dissemination: The study is approved by the local Medical Ethics Committee of the Erasmus MC University Medical Center Rotterdam, The Netherlands (MEC-2024-0615). Prior to study participation, participants provide informed consent. Results will be disseminated amongst researchers through peer-reviewed scientific articles and presentations at conferences; and amongst people with MTP-1 joint OA and healthcare professionals through layman articles in newsletters, on websites and on social media. Discussion: This is the first RCT to investigate the effectiveness and cost-effectiveness of orthopaedic modifications to off-the-shelf footwear in addition to usual care, compared to usual care alone for people with MTP-1 joint OA. Study findings will support healthcare professionals in making substantiated decisions in the treatment of people with MTP-1 joint OA.

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Explaining socioeconomic inequalities in antibiotic prescribing for common infections in English primary care: a population-based study

Yang, M.; Nguyen, V. N.; Walker, A. S.; Robotham, J. V.; van Leeuwen, E.; Hayward, G.; Butler, C. C.; Pouwels, K. B.

2026-05-27 health economics 10.64898/2026.05.26.26354118 medRxiv
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OBJECTIVES To quantify socioeconomic inequalities in antibiotic prescribing for common infections in primary care, and assess whether these inequalities arise from differences in consultation frequency, prescribing behaviour, or variation in vaccination uptake, smoking, and body mass index. DESIGN Population based cohort study. SETTING Primary care data from Clinical Practice Research Datalink, England. PARTICIPANTS 17,195,399 children and adults estimated to have been registered with a general practice in 2019. MAIN OUTCOME MEASURES Antibiotic prescribing rates (prescriptions per person-year), consultation rates (consultations per person-year), and probability of receiving an antibiotic prescription following consultation. RESULTS Higher deprivation was associated with higher antibiotic prescribing rates for most respiratory tract indications. In children, prescribing rates were 44.8% (95% confidence interval [CI] 41.9% to 47.7%) higher for upper respiratory tract infections and 47.6% (95% CI 44.2% to 51.3%) higher for lower respiratory tract infections in the most versus least deprived twentile. In adults, prescribing rates for lower respiratory tract infections were 22.7% (95% CI 21.4% to 24.1%) higher in the most deprived twentile. Prescribing rates for other indications showed weak, U-shaped, or negative associations with deprivation. Prescribing inequalities were primarily driven by inequalities in consultation rates rather than probability of receiving antibiotics once consulted. Lower influenza vaccination uptake partly accounted for higher consultation rates for respiratory infections among more deprived children, while smoking prevalence contributed to inequalities among adults. CONCLUSIONS Socioeconomic inequalities in antibiotic prescribing vary by indication type and are largely explained by consultation frequency. Reducing inequalities may require interventions that decrease the need to consult, e.g. improving influenza vaccination coverage in children and reducing smoking among adults, rather than focussing solely on prescribing behaviour.

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Optimized hypertension care for people with high blood pressure by improved integrated care and self-management tools: a mixed-methods study

van Grondelle, S. E.; van Ede, A. F. T. M.; ter Braake, J. G.; van Bruggen, S.; Rutten, G. E. H. M.; Bots, M.; Vos, H. M. M.; Numans, M. E.; Vos, R. C.

2026-05-25 primary care research 10.64898/2026.05.14.26352728 medRxiv
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Background: High blood pressure (BP) is an often treatable cause of cardiovascular disease. We developed an intervention, featuring a cardiovascular expert team and a toolbox, to support healthcare professionals (HCPs) in hypertension management and enhance patient self-management. Aim: This study evaluates the adoption and feasibility of this intervention. Design and Setting: A mixed-methods study in general practices in the Netherlands. Methods: HCPs could consult a cardiovascular expert team and use a self-management toolbox for their patients as preferred. We interviewed HCPs guided by the Consolidated Framework of Implementation Research (CFIR), and HCPs completed the Determinants of Implementation Behaviour Questionnaire (DIBQ). Using CFIR-ERIC matching tool, we matched implementation strategies to identified barriers. Adults with elevated BP, who were prescribed at least two blood pressure lowering medications were eligible to participate. Patient and disease characteristics were extracted from the electronical medical record. Results: Of 591 eligible patients at thirteen general practices, 176 participated. The cardiovascular expert team was well-received, with 33 unique consultations, although nurse practitioners (NPs) might need the expertise of the expert team more frequently than general practitioners (GP) (adoption). The toolbox was perceived as challenging to use (feasibility). We subsequently identified three key strategies to improve implementation. Mean systolic and diastolic BP were 158/87 mmHg at baseline and 148/85 mmHg after 12 months, although this change cannot be conclusively linked to the intervention. Conclusions: Structured implementation strategies may be helpful in hypertension management. The cardiovascular expert team was considered valuable, but might be better targeted to NPs rather than GPs.

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Learning Effects from A GenAI-based Clinical Decision Support System in Primary Healthcare

Mateen, B.; Williams, G.; Korom, R.; Mwaniki, P.; Emmanual-Fabula, M.; Agweyu, A.

2026-05-15 primary care research 10.64898/2026.05.11.26352964 medRxiv
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To characterise the potential learning effects from a GenAI-based clinical decision support tool (CDST), we examined clinician behaviour within a cluster-randomised trial. The tool, AI Consult, parsed clinician notes written (in real-time) to document patient encounters and would raise green, yellow, or red flags to indicate no, potential, or critical risks of harm (respectively) in decisions the clinician made. Over several months, clinicians with access to the AI Consult tool produced fewer red (Intervention: 14% reduction, p = 0.032 vs. Control: 6% increase, p = 0.383) and yellow flags (Intervention: 6.8% reduction, p = 0.005 vs. Control: 3% increase, p = 0.231), whereas those without access to the tool showed no such effect. If this type of learning effect is a consistent emergent property across CDSTs, there might be an opportunity to reimagine their purpose: from addressing gaps in care quality to instead being a health system-strengthening investment.

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Why is team-based hypertension care failing to take hold in Australia? Real-world evidence from primary care

Satheesh, G.; Slater, K.; Trivedi, R.; Clapham, E.; Lopez, F. M.; McCormack, B.; Miranda, J. J.; Mishra, S. R.; Peterson, G. M.; Sarkies, M.; Schutte, A. E.; Chapman, N.

2026-05-26 primary care research 10.64898/2026.05.25.26354005 medRxiv
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Objective: The shortage of general practitioners (GPs) in Australia has intensified interest in team-based care for hypertension, involving pharmacists and nurses. This study explored primary care provider experiences, barriers, and facilitators related to implementing team-based care in Australia. Design: Qualitative study using semi-structured interviews with primary care providers. Methods: We conducted 51 interviews with GPs (n=24), nurses (n=12), and pharmacists (n=15), purposively selected from diverse primary care settings. Analysis combined deductive coding, informed by the Theoretical Domains Framework and Consolidated Framework for Implementation Research, with inductive thematic analysis to identify emergent themes. Results: Interviews demonstrated a predominantly GP-centred care model, with nurse and pharmacist involvement largely confined to supporting roles, including blood pressure measurement, prescription refills, patient follow-up and counselling. Their contributions were constrained by barriers at both practice (e.g., limited GP support, fragmented communication across providers) and health system levels (e.g., limited financial incentives and restricted reimbursement pathways). Despite their critical role in care planning, nurses described being hamstrung by workload and limited direct funding for hypertension-related services. Pharmacists reported unreimbursed blood pressure checks and restricted funding for medication reviews that constrained the sustainability of their hypertension services. Role ambiguity and the absence of standardised protocols on task sharing further limited collaboration, with nurses and pharmacists describing concerns about overstepping professional boundaries. Attitudes towards team-based care ranged from active disregard (outright rejection) to conditional acceptance and occasional active uptake (strong endorsement). Conclusion: Despite clear willingness among nurses and pharmacists to alleviate GP burden, team-based care is rarely implemented in routine practice. Addressing system-level barriers (funding models that incentivise team-based care and standardised treatment protocols that clarify shared workflows), alongside provider-level barriers (stronger awareness and training that normalises task sharing), is critical to support genuine team-based hypertension care in Australia.

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Healthcare professionals' perspectives on a multilevel cardiovascular risk management intervention (PROSPERA programme)

Bongaerts, V. A. M. C.; van Gestel, L. C.; van Peet, P. G.; Vuijk, M.-L. S.; Hageman, S. H. J.; Dorresteijn, J. A. N.; Bonten, T. N.; Numans, M. E.; van Os, H. J. A.; Vos, R. C.

2026-06-09 cardiovascular medicine 10.64898/2026.06.08.26355169 medRxiv
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Background: Two-thirds of Dutch cardiovascular risk management (CVRM) for patients at risk of cardiovascular disease is delivered in primary care practices. While individual risk scores are increasingly used during consultation, a population-level structure for risk-based patient outreach is not currently available. We therefore developed the PROSPERA programme, a multilevel intervention comprising population-level risk stratification and individual-level support tools. Aim: To assess anticipated and experienced barriers and facilitators among healthcare professionals (HCPs) to inform implementation in primary care. Methods: We conducted four focus groups and six interviews with nine primary care HCPs to explore anticipated and experienced barriers and facilitators. Inductive codes were thematically analysed and assigned to corresponding domains of the Theoretical Domains Framework (TDF) and the related Capability, Opportunity, Motivation model of Behaviour. Results: Barriers and facilitators were identified in 11 TDF domains. Population-level barriers included altered professional roles and limitations in technological infrastructure. Individual-level barriers were limited skills in interpreting risk calculations and difficulty integrating tools into clinical routine. Facilitators were related to beliefs on the importance of providing proactive care (population level), the use of U-Prevent for risk communication (individual level) and positive patient responses to the Lifestylecheck questionnaire (individual level). Conclusion: Addressing barriers and facilitators identified at both the population and individual levels can support implementation of the PROSPERA programme. Opportunities exist in education and training of HCPs in risk communication, as well as support in restructuring the physical and digital environment.

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Social prescribing for children and young people in the UK: characterising access and care pathways using electronic health records

Bone, J. K.; Bu, F.; Hayes, D.; Fancourt, D.

2026-06-03 epidemiology 10.64898/2026.06.02.26354692 medRxiv
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Objectives We aimed to describe the characteristics of children and young people referred to social prescribing across the UK and understand what social prescribing looks like for these young people. Additionally, we aimed to explore whether access to and experiences of social prescribing vary with age and have changed from 2017 to 2025. Overall, we aimed to identify whether social prescribing reduces or exacerbates health inequalities among children and young people, and whether this has changed over time. Design Analysis of social prescribing electronic health records Setting Social prescribing hubs and services across the UK that use Access Elemental (a cloud-based social prescribing platform) Participants 52,585 individuals referred to social prescribing in 2017-2025 aged 4-25 years (mean=20.04, SD=4.71), of whom 57% were female, 39% male, <2% were in other gender groups, and 3% did not disclose their gender Primary and secondary outcome measures We summarised the characteristics of young people and described the care pathway received. We then used regression models to test whether these factors differed by age and over time. Results Most individuals were aged 18 and over, 91% lived in urban areas and 58% lived in the top three most deprived deciles of the UK. Most were referred by GPs or other allied health workers (79%) and mental health was the leading reason for referral (44%). The typical pathway included 4.64 social prescribing contacts (SD=7.70) totalling 66 minutes (SD=108), with 34% receiving an onward referral to community support. The average age of those referred to social prescribing increased over time. Conclusions Our findings indicate that social prescribing currently has limited reach for those under 18 and this disparity may be increasing. It was promising that children and young people referred to social prescribing were more likely to live in deprived areas. However, given current findings, more work is needed to increase the reach of social prescribing for children and young people across the UK.

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Mental healthcare utilisation and costs before and after dementia diagnosis: evidence from electronic health records

Eaglestone, G. L.; stoner, c.; pacella, r.; McCrone, P.

2026-06-03 epidemiology 10.64898/2026.06.02.26354695 medRxiv
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Objectives: To describe secondary mental healthcare utilisation and associated costs among patients diagnosed with dementia or mild cognitive impairment (MCI). Design: Retrospective cohort study using routinely collected electronic health record data. Setting: Secondary mental healthcare services within a large NHS mental health provider in South London, UK. Participants: Adults aged 18 years or older with a recorded diagnosis of dementia or MCI between 1 January 2010 and 31 December 2020. Patients surviving less than one year after diagnosis were excluded. The final cohort comprised 16,081 individuals. Primary and secondary outcome measures: Service utilisation and NHS mental health service costs during the 12 months before and after diagnosis, including inpatient, outpatient and memory clinic contacts. Results: The proportion of patients with at least one recorded mental health service contact declined from 91% in the 12 months before diagnosis to 69% after diagnosis. Among service users, mean NHS mental health costs increased from GBP 1,497 to GBP 2,177 per person following diagnosis (mean increase GBP 680; p<0.001), driven primarily by inpatient care. Dementia diagnosis, younger age, male gender, living alone, greater cognitive impairment and higher clinical symptom burden were independently associated with higher costs. Ethnic differences in service use and costs were also observed. Conclusions: Although overall service engagement declined following diagnosis, costs increased among those continuing to access care, indicating greater intensity of service use. Understanding patterns of secondary mental healthcare utilisation and associated costs may help inform planning and resource allocation within dementia services.

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Primary Care Providers Journey with OSA Care, Challenges and Strategies: A Qualitative Study

Cho, W.; Cheng, M.; Blades, K.; David, O.; Tsai, W.; Povitz, M.; McBrien, K.; Donald, M.; Pendharkar, S.

2026-05-20 respiratory medicine 10.64898/2026.05.15.26353339 medRxiv
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Purpose: Obstructive sleep apnea (OSA) is a treatable chronic condition associated with significant health and societal consequences. Primary care providers (PCPs) often manage OSA with support from sleep specialists but face challenges navigating a complex system of care. By developing a Journey Map, we sought to identify factors influencing primary care OSA management and the associated PCPs' perspectives and emotions. Methods: Twenty-one Calgary-based PCPs were interviewed as part of a study evaluating a primary care management pathway for OSA. We used conventional content analysis, utilizing inductive coding to define journey phases and deductive coding via the Theoretical Domains Framework (TDF) to identify barriers and enablers. These were then mapped onto journey phases for OSA management to create a Journey Map. Results: The Journey Map included five phases of OSA care. PCPs described feeling neutral during the Learning phase and expressed neutral to positive emotions during the Patient Encounter and Diagnosing OSA phases. In contrast, the Initial Treatment and Ongoing Management phases were associated with neutral to negative emotional experiences. Barriers included limited OSA-related training and education, unclear roles among provider groups, and low patient engagement. Enablers included accessible knowledge resources, a shared key role in OSA screening, and availability of sleep testing. Opportunities to enhance primary care OSA management were identified at each step. Conclusion: This study identified several behavioural factors influencing PCP decision-making across the OSA care continuum. The Journey Map illustrates how high diagnostic confidence of PCPs shifts to escalating challenges and negative sentiment during treatment and long-term management of OSA. Keywords: obstructive sleep apnea; primary health care; health service delivery; process assessments; attitude of health personnel

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Budget Impact of Replacing In-Laboratory Polysomnography With Comprehensive Home Polysomnography Using the Onera Sleep Test System in a U.S. Commercial Health Plan

Hinkel, J.; Modi, S.; Ray, A.; Brill, J.

2026-05-18 health economics 10.64898/2026.05.13.26352915 medRxiv
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Background: In-laboratory polysomnography (PSG) remains the diagnostic reference standard for sleep disorders but is resource-intensive and capacity-constrained. Limited-channel home sleep apnea testing (HSAT) improves access and reduces costs compared to in-laboratory polysomnography, but underestimates disease severity due to its inability to measure true sleep time and cannot identify non-respiratory sleep disorders including periodic limb movement disorder and parasomnias.1-5 Comprehensive home polysomnography (hPSG) may preserve diagnostic fidelity while reducing system costs, improving access for patients unable to attend laboratory-based studies, and shortening time to diagnosis and therapy initiation. Objective: To estimate the short-term budget impact to a U.S. commercial health plan of substituting an appropriately selected proportion of in-laboratory PSG with comprehensive hPSG using the Onera Sleep Test System (STS). Methods: We developed a transparent budget impact model following ISPOR good practice guidelines for a hypothetical 1-million-member commercial plan. The model estimates the annual diagnostic population (top-of-funnel) using age- and sex-stratified prevalence, an undiagnosed fraction of 85%, symptom prevalence among undiagnosed individuals (30%), and an annual testing rate (12%).2-3 Baseline costs reflect current diagnostic pathways using HSAT (50% first-line) and in-laboratory PSG (50% first-line), including HSAT-to-PSG escalations (20%) and PSG repeats (4%). The intervention scenario substitutes a defined share of in-laboratory PSG and selected HSAT with Onera hPSG. Scenario and sensitivity analyses explore parameter uncertainty. Results: In the base case, approximately 4,364 individuals entered the OSA diagnostic workflow annually. Baseline diagnostic costs were estimated at $6.23 PMPM, comprising $5.45 million in PSG costs and $0.79 million in HSAT costs. Introducing Onera hPSG (30% PSG replacement, 5% HSAT replacement in Year 1) reduced per member costs to $5.66 PMPM, yielding net savings of $0.57 PMPM ($567,262 annually). In Year 3 scenarios (60% PSG, 10% HSAT replacement), savings increased to $1.64 PMPM (approximately $1.64 million annually). Sensitivity analyses demonstrated net savings ranging from $0.03 to $8.05 PMPM, depending on adoption levels. Conclusions: Partial substitution of in-laboratory PSG with Onera hPSG may yield incremental budget savings for U.S. commercial payers while maintaining access to full polysomnographic assessment. Results support further payer-specific analyses incorporating real-world utilization and downstream outcomes. Keywords: obstructive sleep apnea; polysomnography; home sleep testing; budget impact analysis; health economics

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A Pilot Randomized Controlled Trial to Evaluate the Preliminary Efficacy of PAL-CHW-PDAC, a Digitally Enhanced CHW-led Intervention to Facilitate Stepped Palliative Care in Patients with Pancreatic Cancer.

Thiruvengadam, N.; Celestin-Joachim, M.; Rivas, L.; Bahmani, A.; Orosa, M.; Matangi, N.; Montgomery, S.; Ferrell, B.

2026-05-22 palliative medicine 10.64898/2026.05.20.26353748 medRxiv
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Background Pancreatic Ductal Adenocarcinoma will be the 2nd-most common cause of cancer mortality by 2030. It is associated with rapid deterioration, severe symptoms, and significant quality-of-life concerns. Using input from patients, family caregivers (FCGs), and provider stakeholders, we designed an intervention, PAL-CHW-PDAC, delivered by a community health worker that involves proactive symptom monitoring and management, care navigation, and disease education. Methods We conducted a pilot randomized controlled trial of 60 patients with newly diagnosed PDAC (within 2 weeks of diagnosis) and their caregivers at Loma Linda University Health from 09/2025 to 05/2026. Patients were randomized 1:1 to receive the PAL-CHW-PDAC intervention (6 CHW visits over 3 months) or an attention control. The control comparator involved receiving standard handouts and videos on pancreatic cancer, along with check-in visits with research staff. The primary outcome was symptom burden, defined using the NCCN/FACT Hepatobiliary Symptom Index. Secondary outcomes included quality of life (QoL) measured by the FACT-Hep and psychological distress (measured by the NCCN-Distress Thermometer). Caregiver outcomes included burden, preparedness, quality of life, and psychological distress. Results: 60 out of 74 eligible (81%) were enrolled. The median age was 71, 60% of patients were Hispanic. 68% of patients presented with metastatic PDAC, 23% with borderline resectable disease and 9% with resectable PDAC. There was a trend towards improved symptom burden at 12 weeks (mean increase of 5.3 points vs. decrease of 3.2 points; p=0.093) with the intervention compared to the attention control. The intervention group also had improved psychological distress at 12 weeks (3.31 vs. 5.95, p=0.01), caregiver psychological distress (3.26 vs. 6.86, p<0.001) and caregiver preparedness (2.92 vs. 2.11) at 12 weeks. Telehealth utilization for symptom-focused visits improved with the intervention (82%) compared to the control. (14%, p=0.01) Hospice utilization also improved with the intervention (41% vs 7%, p-0.12). Conclusions: A pilot RCT of the PAL-CHW-PDAC intervention demonstrated preliminary efficacy with a trend towards improved symptom burden, psychological distress, and caregiver psychological distress and preparedness. A larger definitive clinical trial is needed to understand the impact of this promising intervention. ClinicalTrials.gov number, NCT07591571

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Ferritin across long-term conditions in England: cross-sectional primary care study

KATUMBA, A. M.; Drakesmith, C. W.; Haynes, S.; Maynard, S.; Maharajan, V.; Erone, I.; Smith, M.; Shah, A.; Roy, N.; Bankhead, C.; Stanworth, S. J.

2026-06-11 primary care research 10.64898/2026.06.06.26355042 medRxiv
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Background Iron deficiency (ID) is a readily treatable condition once identified. Ferritin is the primary diagnostic marker, but cut-offs vary and inflammation complicates interpretation in patients with long-term conditions (LTCs). Aim To describe ferritin distribution and the prevalence of threshold-defined low ferritin in adults with and without LTCs in primary care. Design and setting Cross-sectional observational study using routinely collected electronic health records from a national primary care database in England (1st January 2015 to 31st December 2021). Method Adults with >1 ferritin test in Clinical Practice Research Datalink (CPRD) Aurum were included. LTCs were identified using validated primary-care code lists. Outcomes included ferritin distribution and threshold-defined ID prevalence using World Health Organization (WHO) (<15 ug/L; <70 ug/L if inflammation) and National Institute for Health and Care Excellence (NICE) (<30 ug/L) cut-offs, stratified by sex and, in women, by age <50 versus >=50 as a proxy for menopausal status. Results 4,489,594 individuals were included; 55% (n=2,469,882) had >1 LTC. Ferritin was lowest in women <50 and in LTCs characterised by impaired absorption or blood loss (coeliac disease, inflammatory bowel disease). Among women <50 with an LTC, 80% had ferritin <70 ug/L versus 47% <30 ug/L, leaving 33% in the 30 to 70 ug/L range potentially missed by standard cut-offs; equivalent figures were 28% in women >=50 and 17% in men. Conclusion Threshold-defined low ferritin is very common across LTCs and disproportionately affects women, particularly those under 50. Condition-specific, inflammation-adjusted ferritin thresholds may improve detection, management, and equity in primary care.

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Language-Related Disparities in History Documentation in Patients Admitted for Heart Failure

Gottlieb, E. R.; Mullan, I. D.; Celi, L. A. A.

2026-05-22 cardiovascular medicine 10.64898/2026.05.19.26353593 medRxiv
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Introduction Patients hospitalized with heart failure who do not speak English as their primary language face communication barriers, however the impact on documented History of Present Illness (HPI) and Review of Systems (ROS) has not been reported. Methods This retrospective cohort study was based on MIMIC-IV, an anonymized clinical database. Adult patients admitted to general medicine or cardiology services with heart failure (by DRG) were identified. Multivariable linear regression was used to assess for an association between language (English vs. non-English) and word counts for HPI+ROS and HPI word counts. Qualitative differences in texts were also analyzed using Claude Opus 4.6. Results In a cohort of 552 patients, non-English language (N = 81) was associated with a shorter HPI+ROS (coef. -33.387, 95% CI [-62.076, -4.697], p = 0.023) controlling for age (coef. -1.023, 95% CI [-1.817, -0.230], p = 0.012) and Elixhauser score (coef. 10.391, 95% CI [7.078, 13.705], p<0.001). Similar associations were found for HPI alone. Qualitative differences included less discussion of symptoms and timing of onset. Discussion HPI+ROS and HPI were more abbreviated when the primary documented language was not English. This has important implications for equitable care and the development of emerging translation and documentation technologies.

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Increasing influenza vaccination rates among care home staff: Economic evaluation of the FluCare intervention within a cluster-RCT

Wagner, A. P.; Risebro, H.; Clark, A.; Stirling, S.; Sims, E.; Bion, V.; Blacklock, J.; Birt, L.; Bryant, R.; Cook, L.; Dean, T.; Wyn Griffiths, A.; Guillard, C.; Holland, R.; Jones, A. P.; Jones, L.; Katangwe-Chigamba, T.; Pitcher, J.; Scott, S.; Wright, D.; Patel, A.

2026-06-09 health economics 10.64898/2026.06.06.26355050 medRxiv
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Introduction Care home (CH) influenza vaccination of staff improves resident health, yet uptake remains low at just over 11% (England, 2025/2026). We report an economic evaluation (EE) of "FluCare", an intervention to increase staff influenza vaccination through: vaccination clinics at CHs; promotional materials; and CH financial incentives. Method Seventy-five CHs were randomised to FluCare or control. A cost-consequence analysis took the influenza vaccination programme funder perspective, but also extended to the National Health Service (NHS) and CH perspective. Costs included: influenza vaccination; administration fee; FluCare components; CH resident NHS utilisation. Outcomes were: staff influenza vaccination rates; staff sickness; and resident mortality. Sensitivity analyses excluded intervention CHs that did not host vaccination clinics. Results Compared to control CHs, adjusted analysis found intervention homes with a mean absolute increase in vaccination rates of 1.8% (95% CI: -6.0%, 10.8%; p=0.572) at an increased cost of {pound}451 (95% CI: {pound}239, {pound}675; p<0.001) to the vaccination programme funders: {pound}249 per additional percentage point (PAPP) per CH. Vaccination clinics were delivered late in the influenza season, with 80% taking place from February 2023. Including only intervention CHs that hosted staff flu vaccination clinics (23/35), increases the mean difference to 10.1% (95% CI: 0.9%, 21.9%; p=0.018) and costs to {pound}805 (95% CI: {pound}603, {pound}1,079; p<0.001): {pound}79 PAPP per CH. Differences between trial arms in other costs and outcomes were marginal and generally non-significant. Conclusions FluCare delivered little improvement when staff flu vaccination clinics did not occur and had little impact on other costs/outcomes. Cost-effectiveness depends on willingness-to-pay for increased staff vaccination, but cost PAPP per CH improved from {pound}249 to {pound}79 when only CHs hosting clinics were considered. Late implementation, likely reduced impact by limiting clinic delivery, as reflected in sensitivity analysis. Future evaluations should implement FluCare earlier in the season.

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Efficacy of the PragmaVAC Manual Negative Pressure Wound Therapy Device to Treat Acute Traumatic Wounds in a Conflict Setting: A Retrospective Cohort Study from Gaza

Ramadan, I.; Hariri, M.; Shalakhti, O.; Alawa, J.; Godier-Furnemont, A.; Traboulsi, A. A.-R.; MOWAFI, H.

2026-06-10 surgery 10.64898/2026.06.04.26354740 medRxiv
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Abstract: Background: Acute war-related traumatic wounds present significant challenges due to significant soft-tissue damage/loss, risk of contamination, limited access to antimicrobial therapy, need for delayed closure, and limited access to surgical and wound care. Negative Pressure Wound Therapy (NPWT) has been used effectively to reduce the volume of soft-tissue defects, edema, and infection in traumatic wounds, and to promote growth of healthy granulation tissue. However, conventional NPWT devices are costly and electricity-dependent, limiting their utility in conflict settings. Methods: This retrospective cohort study evaluated the use of PragmaVAC, a manually operated, electricity-independent NPWT device, in patients across three hospitals in Gaza with conflict-related wounds that were deemed by the treating surgeon to be unsuitable for primary closure. Secondary analysis was performed of clinical records of patients treated with the PragmaVac NPWT device to assess ability to achieve a primary outcome of wound bed with healthy granulation tissue, time to primary outcome, and rates of adverse effects. Secondary outcome of wound closure and closure method was also assessed. Results: Treatment with PragmaVAC manual NPWT was prescribed to 88 patients. Of those, 27 (31%) had incomplete documentation of their wound healing or were lost to follow up. The remaining 61 (69%) had complete documentation of their wound healing, complications, and final outcome with 59 (67%) successful closure and 2(2%) failure. Conclusion: The use of the PragmaVAC NPWT device provided a safe, effective wound care option to achieve wound closure for large conflict-related traumatic wounds in resource-limited settings. Future studies may further evaluate such use through prospective trials, evalutions of patients' experiences with manual NPWT, and evaluating outcomes beyond primary wound closure to include medium- and long-term complications, cosmesis, and cost of therapy.