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The Pandemic EVIDENCE Collaboration (EVidence-Informed DevelopmEnt of Non-PharmaCological IntErventions) Pillar 3: Practice and Policy
Slide presentation Pillar 3: Practice and Policy
The Pandemic EVIDENCE Collaboration (EVidence-Informed DevelopmEnt of Non-PharmaCological IntErventions) Pillar 2: Interventions and Evidence
Slide Presentation Pillar 2: Interventions and Evidence
Developing prediction models for electrolyte abnormalities in patients indicated for antihypertensive therapy: evidence-based treatment and monitoring recommendations
Objectives: Evidence from clinical trials suggests that antihypertensive treatment is associated with an increased risk of common electrolyte abnormalities. We aimed to develop and validate two clinical prediction models to estimate the risk of hyperkalaemia and hyponatraemia, respectively, to facilitate targeted treatment and monitoring strategies for individuals indicated for antihypertensive therapy. Design and methods: Participants aged at least 40 years, registered to an English primary care practice within the Clinical Practice Research Datalink (CPRD), with a systolic blood pressure reading between 130 and 179 mmHg were included the study. The primary outcomes were first hyperkalaemia or hyponatraemia event recorded in primary or secondary care. Model development used a Fine-Gray approach with death from other causes as competing event. Model performance was assessed using C-statistic, D-statistic, and Observed/Expected (O/E) ratio upon external validation. Results: The development cohort included 1 773 224 patients (mean age 59 years, median follow-up 6 years). The hyperkalaemia model contained 23 predictors and the hyponatraemia model contained 29 predictors, with all antihypertensive medications associated with the outcomes. Upon external validation in a cohort of 3 805 366 patients, both models calibrated well (O/E ratio: hyperkalaemia 1.16, 95% CI 1.13-1.19; hyponatraemia 1.00, 95% CI 0.98-1.02) and showed good discrimination at 10 years (C-statistic: 0.69, 95% CI 0.69-0.69; 0.80, 95% CI 0.80-0.80, respectively). Conclusion: Current clinical guidelines recommend monitoring serum electrolytes after initiating antihypertensive treatment. These clinical prediction models predicted individuals' risk of electrolyte abnormalities associated with antihypertensive treatment and could be used to target closer monitoring for individuals at a higher risk, where resources are limited.
The importance of experience: insights into optimal home-blood pressure monitoring regimens from the TASMINH4 Trial
Objectives: This study investigates how prior home blood pressure monitoring (HBPM) experience affects blood pressure variability and evaluates if reduced HBPM regimens could be recommended for experienced patients. Methods: This posthoc analysis of the TASMINH4 trial included self-monitored blood pressure (BP) data from 225 patients. The standard deviation of systolic BP recordings was calculated for each patient-week to assess how BP variability changes with HBPM duration. A subgroup of 84 patients, who submitted at least 1 reading a day for 7days at months 1, 3, and 6, was analysed to assess the impact of reduced HBPM regimens on BP estimates. Results: Day 1 readings were significantly higher than day 2–7 in the first 3months of HBPM: 1.1 (95% CI 1.8, 0.4) day 1 vs. day 2. This effect diminished after 6months: 1.0 (95% CI -0.8, 2.8) day 1 vs. 2. Long term monitoring significantly reduced intra-week BP variability, with the standard deviation of systolic BP recordings within each patient-week significantly reduced after 6months. After 6months of HBPM, the inclusion of day 1 readings or use of an abbreviated monitoring regimen had a reduced impact on estimates of mean systolic and diastolic blood pressure. Conclusions: Long-term HBPM reduces intra-week BP variability, making day 1 readings insignificantly raised after 6months of HBPM. This provides rationale for different HBPM recommendations: longer regimes, excluding day one readings, for diagnosis and short-term monitoring; and abbreviated regimes including day 1 for longer term monitoring in those with HBPM experience.
Storytelling as an approach to understand how cultural activities support the well-being in older people from global majority groups
BACKGROUND: Social prescribing is increasingly used to support well-being through non-clinical, community-based interventions. However, there is limited understanding of how cultural activities can be tailored for older people from global majority groups. The TOUS study (Tailoring cultural Offers with and for diverse older Users of Social prescribing) explores how cultural offers can be adapted to meet the needs of these communities. AIM: This study aims to understand how storytelling can be used within a realist evaluation to explore the role of cultural activities in enhancing well-being among older adults from global majority groups. METHOD: Storytelling was used as a key method of data collection in two case studies. This approach involves four open-ended questions that allow participants to share experiences in their own words. Each transcript is condensed into a two-page narrative, approved by the participant, and used in collaborative discussions with stakeholders. This method aligns with the patient-centred ethos of social prescribing and complements realist evaluation by highlighting mechanisms of change and barriers to participation. RESULTS: Preliminary findings suggest cultural institutions can foster inclusion, connection, and identity among participants. Storytelling revealed the importance of culturally relevant, welcoming spaces and captured the nuanced experiences of individuals often overlooked in traditional research. CONCLUSION: Storytelling enriches realist evaluation by offering a participant-led, less extractive method of data collection. It bridges individual experiences with broader programme outcomes and provides a valuable approach for researchers aiming to centre voices from underrepresented communities in primary care research.
Factors associated with single, dual and poly combustible tobacco use among Emirati adults in the United Arab Emirates: The UAE Healthy Future and ITC Survey results (2016 - 2023).
INTRODUCTION: Forms of combustible tobacco, such as shisha and pipe tobacco, are popular in the Middle East. Poly use of combustible tobacco products increases exposure to the harmful toxicants in them. Little is known about patterns of tobacco use behaviors in Middle Eastern countries and the potential harms due to particular types and concurrent versus single-use. METHODS: We analyzed data on tobacco use from 7,535 Emirati adults as part of the UAE Healthy Future Study, a longitudinal cohort study in the United Arab Emirates. We examined associations between single, dual, or poly combustible tobacco use and sociodemographic and clinical factors, including markers of cardiovascular disease (CVD). We also examined associations between the type of tobacco used and markers of CVD. RESULTS: Age-adjusted prevalence of combustible tobacco use was 34%. Single, dual, and poly use were 47%, 35%, and 18%, respectively. Parental tobacco use was associated with any kind of combustible tobacco use, and was strongly associated with poly use (RRRp=4.4, 95% CI=1.2, 16.8). Those who used one or more combustible tobacco products had higher levels of some CVD markers, notably HDL and Apolipoprotein A. Use of any type of tobacco was associated with increased risk for markers of CVD. CONCLUSIONS: Any amount of tobacco used was associated with differences in CVD markers. Associations were strongest for poly tobacco users. Future studies are needed to understand relationships between single, dual and poly combustible tobacco use, different combustible tobacco types, and disease risk. IMPLICATIONS: All forms of tobacco were associated with markers of CVD, signaling that there is no safer form of combustible tobacco. The study is one of the largest to characterize tobacco use behaviors in a Middle Eastern population, and should provide an important benchmark for further research on different, and sometimes co-occurring, forms of tobacco use.
The consequences of micro-discretions and boundaries in the social prescribing link worker role in England: a realist evaluation.
BACKGROUND: Social prescribing addresses non-medical factors affecting health and well-being. Link workers are key to its delivery by connecting people to relevant support, often in the voluntary, community and social enterprise sector. Funding from the National Health Service means that link workers are becoming a common part of primary care in England. OBJECTIVE: To explore and understand the implementation of link workers in primary care in England. DESIGN: A realist evaluation addressed the question - When implementing link workers in primary care to sustain outcomes - what works, for whom, why and in what circumstances? SETTING: Link workers and staff associated with seven primary care sites across England. METHODS: Researchers spent 3 weeks with each link worker, going to meetings with them, watching them interact with patients, with healthcare staff and with voluntary, community and social enterprise organisations. In addition, interviews were conducted with 61 patients and 93 professionals (voluntary, community and social enterprise representatives and healthcare staff, including link workers). Follow-up interviews were conducted with 41 patients and with link workers 9-12 months later. Data were coded and developed into statements to identify how context around the link worker triggers mechanisms that lead to intended and unintended outcomes. RESULTS: We found that link workers exercise micro-discretions in their role - actions and advice-giving based on personal judgement of a situation, which may not always reflect explicit guidance or protocols. Our analysis highlighted that micro-discretions engender positive connections (with patients, healthcare staff, the voluntary, community and social enterprise sector) and promote buy-in to the link worker role in primary care. Micro-discretions supported delivery of person-centred care and enhanced job satisfaction. Data also highlighted that lack of boundaries could place link workers at risk of overstepping their remit. LIMITATIONS: Our research focused on link workers attached to primary care; findings may not be applicable to those working in other settings. Data were collected around seven link worker cases, who were selected purposively for variation in terms of geographical spread and how/by whom link workers were employed. However, these link workers were predominately white females. CONCLUSIONS: Enabling link workers to exercise micro-discretions allows for responsiveness to individual patient needs but can result in uncertainty and to link workers feeling overstretched. FUTURE WORK: Poor link worker retention may, in part, be associated with a lack of clarity around their role. Research to explore how this shapes intention to leave their job is being conducted by authors of this paper. FUNDING: This article presents independent research funded by the National Institute for Health and Care Research (NIHR) Health and Social Care Delivery Research programme as award number NIHR130247.
Experiences of integrating social prescribing link workers into primary care in England — bolting on, fitting in, or belonging: a realist evaluation
Background Following the 2019 NHS Long Term Plan, link workers have been employed across primary care in England to deliver social prescribing. Aim To understand and explain how the link worker role is being implemented in primary care in England. Design and setting This was a realist evaluation undertaken in England, focusing on link workers based in primary care. Method The study used focused ethnographies around seven link workers from different parts of England. As part of this, we interviewed 61 patients and 93 professionals from health care and the voluntary, community, and social enterprise sector. We reinterviewed 41 patients, seven link workers, and a link worker manager 9–12 months after their first interview. Results We developed four concepts from the codes developed during the project on the topic around how link workers are integrated (or not) within primary care: (or not) within primary care: centralising or diffusing power; forging an identity in general practice; demonstrating effect; and building a facilitative infrastructure. These concepts informed the development of a programme theory around a continuum of integration of link workers into primary care — from being ‘bolted on’ to existing provision, without much consideration, to ‘fitting in’, shaping what is delivered to be accommodating, through to ‘belonging’, whereby they are accepted as a legitimate source of support, making a valued contribution to patients’ broader wellbeing. Conclusion Social prescribing was introduced into primary care to promote greater attention to the full range of factors affecting patients’ health and wellbeing, beyond biomedicine. For that to happen, our analysis highlights the need for a whole-system approach to defining, delivering, and maintaining this new part of practice.
Intensive blood-glucose control with sulphonylureas or insulin compared with conventional treatment and risk of complications in patients with type 2 diabetes (UKPDS 33)
Background: Improved blood-glucose control decreases the progression of diabetic microvascular disease, but the effect on macrovascular complications is unknown. There is concern that sulphonylureas may increase cardiovascular mortality in patients with type 2 diabetes and that high insulin concentrations may enhance atheroma formation. We compared the effects of intensive blood-glucose control with either sulphonylurea or insulin and conventional treatment on the risk of microvascular and macrovascular complications in patients with type 2 diabetes in a randomised controlled trial. Methods: 3867 newly diagnosed patients with type 2 diabetes, median age 54 years (IQR 48-60 years), who after 3 months' diet treatment had a mean of two fasting plasma glucose (FPG) concentrations of 6.1-15.0 mmol/L were randomly assigned intensive policy with a sulphonylurea (chlorpropamide, glibenclamide, or glipizide) or with insulin, or conventional policy with diet. The aim in the intensive group was FPG less than 6 mmol/L. In the conventional group, the aim was the best achievable FPG with diet alone; drugs were added only if there were hyperglycaemic symptoms or FPG greater than 15 mmol/L. Three aggregate endpoints were used to assess differences between conventional and intensive treatment: any diabetes-related endpoint (sudden death, death from hyperglycaemia or hypoglycaemia, fatal or non-fatal myocardial infarction, angina, heart failure, stroke, renal failure, amputation [of at least one digit], vitreous haemorrhage, retinopathy requiring photocoagulation, blindness in one eye, or cataract extraction); diabetes-related death (death from myocardial infarction, stroke, peripheral vascular disease, renal disease, hyperglycaemia or hypoglycaemia, and sudden death); all-cause mortality. Single clinical endpoints and surrogate subclinical endpoints were also assessed. All analyses were by intention to treat and frequency of hypoglycaemia was also analysed by actual therapy. Findings: Over 10 years, haemoglobin A(1c) (HbA(1c)) was 7.0% (6.2-8.2) in the intensive group compared with 7.9% (6.9-8.8) in the conventional group - an 11% reduction. There was no difference in HbA(1c) among agents in the intensive group. Compared with the conventional group, the risk in the intensive group was 12% lower (95% CI 1-21, p = 0.029) for any diabetes-related endpoint; 10% lower (-11 to 27, p = 0.34) for any diabetes-related death; and 6% lower (-10 to 20, p = 0.44) for all-cause mortality. Most of the risk reduction in the any diabetes-related aggregate endpoint was due to a 25% risk reduction (7-40, p = 0.0099) in microvascular endpoints, including the need for retinal photocoagulation. There was no difference for any of the three aggregate endpoints between the three intensive agents (chlorpropamide, glibenclamide, or insulin). Patients in the intensive group had more hypoglycaemic episodes than those in the conventional group on both types of analysis (both p < 0.0001). The rates of major hypoglycaemic episodes per year were 0.7% with conventional treatment, 1.0% with chlorpropamide, 1.4% with glibenclamide, and 1.8% with insulin. Weight gain was significantly higher in the intensive group (mean 2.9 kg) than in the conventional group (p < 0.001), and patients assigned insulin had a greater gain in weight (4.0 kg) than those assigned chlorpropamide (2.6 kg) or glibenclamide (1.7 kg). Interpretation: Intensive blood-glucose control by either sulphonylureas or insulin substantially decreases the risk of microvascular complications, but not macrovascular disease, in patients with type 2 diabetes. None of the individual drugs had an adverse effect on cardiovascular outcomes. All intensive treatment increased the risk of hypoglycaemia.