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Our latest research, all in one place. Browse our collection of journal articles, reports and conference proceedings to see how we’re contributing to HEOR research. Remember to: 

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Peer-reviewed publication

EXPERTS 1– Experiences of Long-Term Life-Limiting Conditions Among Patients and Carers: Protocol for a Qualitative Meta-Synthesis and Conceptual Modelling Study

YHEC authors: Julie Glanville
Publication date: April 2015
Journal: BMJ Open

Abstract

INTRODUCTION: Increasing numbers of the population are living with long-term life-limiting conditions with a significant proportion characterised by multimorbidity. Patients with these conditions often experience high volumes of clinical interaction involving them, their caregivers and healthcare providers in complex patterns of organising, coordinating, negotiating and managing care. A better understanding of the sources of experienced complexity and multimorbidity, from the patient perspective is paramount to improve capacity and manage workload to promote improved experience of illness, more effective healthcare utilisation and improved healthcare outcomes. To better understand the sources of complexity we will undertake an evidence synthesis of qualitative studies of patient and informal carer experiences of three common long-term life-limiting conditions. We will investigate what is known about these diseases at different stages in disease progression, treatment regimens and places of care.

METHOD AND ANALYSIS: We will include qualitative studies of patients' and carers' (aged >18) accounts of their experiences of healthcare provision in a range of settings and healthcare systems. We will conduct an extensive electronic database search of publications in English between 2000 and 2014. Results and discussions sections of the papers will be regarded as formal data using the constant comparison method of qualitative analysis. From the meta-synthesis results, we will build a conceptual model of mechanisms and processes that shape patients' journeys towards end of life to suggest where in the patient journey new interventions to improve patient and carer experience can be developed and delivered. The study is being conducted between 1 December 2014 and 31 December 2015.

ETHICS AND DISSEMINATION: No human subjects or personal data are involved and no ethical issues are anticipated. An important element of dissemination is informing user communities about the practical implications of the work through workshops, meetings and social media. Scientific results will be published in peer reviewed journals and disseminated through conferences.

Report

Pruning Emtree: Does Focusing Embase Subject Headings Impact Search Strategy Precision and Sensitivity?

YHEC authors: Julie Glanville
Publication date: April 2015
Publishers: Canadian Agency for Drugs and Technologies in Health

Abstract

No abstract available

Peer-reviewed publication

Pay-for-Performance and Primary Care Physicians: Lessons from the UK Quality and Outcomes Framework for Local Incentive Schemes

YHEC authors: Nick Hex
Publication date: March 2015
Journal: Journal of the Royal Society of Medicine

Abstract

No abstract available

Peer-reviewed publication

The Economic Benefits of Increasing Kangaroo Skin-to-Skin Care and Breastfeeding in Neonatal Units: Analysis of a Pragmatic Intervention in Clinical Practice.

YHEC authors: Karin Lowson
Publication date: March 2015
Journal: International Breastfeeding Journal

Abstract

BACKGROUND: A number of significant recent research studies have used techniques of economic modelling to demonstrate the potential benefits of increasing breastfeeding rates in the UK overall, and specifically in neonatal care. This paper complements this growing body of evidence by presenting an economic analysis of data from an actual intervention, the 'Getting It Right From the Start' programme, which took place in the north of the UK during 2011-12, with the aim of increasing breastfeeding and kangaroo skin-to-skin care rates in neonatal units.

METHODS: 'Getting It Right from the Start' was a pragmatic, multifaceted programme of change delivered under the auspices of the regional Health Innovation and Education Cluster, of which 17 were established in the UK in 2010. It engaged with 18 neonatal units in two Neonatal Networks with the aim of increasing kangaroo skin-to-skin care and breastfeeding rates. As part of the evaluation of the programme, we conducted an economic study comparing the overall costs and benefits of the intervention.

RESULTS: Overall, the economic analysis demonstrated that for every £1 invested in the intervention to increase kangaroo skin-to-skin care and breastfeeding rates, between £4.00 and £13.82 of benefit was generated. This was spread across different healthcare settings and the timescale for the realisation of benefits will vary. The increases in kangaroo skin-to-skin care generated the greatest cost savings, with potential cost savings ranging between £668,000 (minimum cost assumptions) to more than £2 m (maximum cost assumptions). Increases in breastfeeding associated with the project generated between £68,486 and £582,432. The majority of the cost savings generated were associated with reductions in cases of gastroenteritis and necrotising enterocolitis.

CONCLUSION: This was one of the first economic evaluations of an actual intervention to increase breastfeeding and kangaroo skin-to-skin care in neonatal units. It complements the existing economic models by demonstrating that a real intervention in clinical practice was both cost effective as well as clinically beneficial. Future interventions with similar methodology should be supported and considered likely to generate significant cost savings compared to outlay. Economic evaluation should be more frequently included in studies of practical interventions in clinical settings to increase breastfeeding.

Peer-reviewed publication

A Review of the Systematic Review Process and its Applicability for Use in Evaluating Evidence for Health Claims on Probiotic Foods in the European Union

YHEC authors: Julie Glanville, Sarah King
Publication date: February 2015
Journal: Nutrition Journal

Abstract

This paper addresses the use of systematic review and meta-analysis to evaluate the strength of evidence for health benefits of probiotic foods, especially relating to health claim substantiation in the European Union. A systematic review is a protocol-driven, transparent and replicable approach, widely accepted in a number of scientific fields, and used by many policy-setting organizations to evaluate the strength of evidence to answer a focused research question. Many systematic reviews have been published on the broad category of probiotics for many different outcomes. Some of these reviews have been criticized for including poor quality studies, pooling heterogeneous study results, and not considering publication bias. Well-designed and -conducted systematic reviews should address such issues. Systematic reviews of probiotics have an additional challenge – rarely addressed in published reviews - in that there must be a scientifically sound basis for combining evidence on different strains, species or genera. The European Food Safety Authority (EFSA) is increasingly adopting the systematic review methodology. It remains to be seen how health claims supported by systematic reviews are evaluated within the EFSA approval process. The EFSA Panel on Dietetic Products, Nutrition and Allergies deems randomized trials to be the best approach to generating evidence about the effects of foods on health outcomes. They also acknowledge that systematic reviews (with or without meta-analyses) are the best approach to assess the totality of the evidence. It is reasonable to use these well-established methods to assess objectively the strength of evidence for a probiotic health claim. Use of the methods to combine results on more than a single strain or defined blend of strains will require a rationale that the different probiotics are substantively similar, either in identity or in their mode of action.

Peer-reviewed publication

Consumer Preferences for Scanning Modality to Diagnose Focal Liver Lesions

YHEC authors: Jennifer Whitty, Alex Filby, Adam Smith, Louise Carr
Publication date: January 2015
Journal: International Journal of Technology Assessment in Health Care

Abstract

OBJECTIVES: Differences in the process of using liver imaging technologies might be important to patients. This study aimed to investigate preferences for scanning modalities used in diagnosing focal liver lesions.

METHODS: A discrete choice experiment was administered to 504 adults aged 25 =years. Respondents made repeated choices between two hypothetical scans, described according to waiting time for scan and results, procedure type, the chance of minor side-effects, and whether further scanning procedures were likely to be required. Choice data were analyzed using mixed-logit models with respondent characteristics used to explain preference heterogeneity.

RESULTS: Respondents preferred shorter waiting times, the procedure to be undertaken with a handheld scanner on a couch instead of within a body scanner, no side-effects, and no follow-up scans (p=.01). The average respondent was willing to wait an additional 2 weeks for the scan if it resulted in avoiding side-effects, 1.5 weeks to avoid further procedures or to be told the results immediately, and 1 week to have the scan performed on a couch with a handheld scanner. However, substantial heterogeneity was observed in the strength of preference for desirable imaging characteristics.

CONCLUSIONS: An average individual belonging to a general population sub-group most likely to require imaging to characterize focal liver lesions in the United Kingdom would prefer contrast-enhanced ultrasound over magnetic resonance imaging or computed tomography. Insights into the patient perspective around differential characteristics of imaging modalities have the potential to be used to guide recommendations around the use of these technologies

Peer-reviewed publication

Interventions for Female Drug-Using Offenders

YHEC authors: Julie Glanville
Publication date: January 2015
Journal: The Cochrane Database of Systematic Reviews

Abstract

BACKGROUND: This is an updated version of a Cochrane review first published in Issue 3, 2006 (Perry 2006). The review represents one in a family offour reviews focusing on the effectiveness of interventions in reducing drug use and criminal activity for offenders. This specific reviewconsiders interventions for female drug-using offenders.

OBJECTIVES: To assess the effectiveness of interventions for female drug-using offenders in reducing criminal activity, or drug use, or both.

SEARCH METHODS: We searched 14 electronic bibliographic databases up to May 2014 and five additional Website resources (between 2004 and November2011). We contacted experts in the field for further information.

SELECTION CRITERIA: We included randomised controlled trials (RCTs) designed to reduce, eliminate or prevent relapse of drug use or criminal activity in femaledrug-using offenders. We also reported data on the cost and cost-effectiveness of interventions.

DATA COLLECTION AND ANALYSIS: We used standard methodological procedures expected by The Cochrane Collaboration.

MAIN RESULTS: Nine trials with 1792 participants met the inclusion criteria. Trial quality and risks of bias varied across each study. We rated the majorityof studies as being at 'unclear' risk of bias due to a lack of descriptive information. We divided the studies into different categories forthe purpose of meta-analyses: for any psychosocial treatments in comparison to treatment as usual we found low quality evidence thatthere were no significant differences in arrest rates, (two studies; 489 participants; risk ratio (RR) 0.82, 95% confidence interval (CI) 0.45to 1.52) or drug use (one study; 77 participants; RR 0.65, 95% CI 0.20 to 2.12), but we found moderate quality evidence that there was asignificant reduction in reincarceration, (three studies; 630 participants; RR 0.46, 95% CI 0.34 to 0.64). Pharmacological intervention usingbuprenorphine in comparison to a placebo did not significantly reduce self reported drug use (one study; 36 participants; RR 0.58, 95% CI0.25 to 1.35). No cost or cost-effectiveness evidence was reported in the studies.

AUTHORS' CONCLUSIONS: Three of the nine trials show a positive trend towards the use of any psychosocial treatment in comparison to treatment as usualshowing an overall significant reduction in subsequent reincarceration, but not arrest rates or drug use. Pharmacological interventions incomparison to a placebo did not significantly reduce drug use and did not measure criminal activity. Four different treatment comparisonsshowed varying results and were not combined due to differences in the intervention and comparison groups. The studies overall showeda high degree of heterogeneity for types of comparisons and outcome measures assessed, which limited the possibility to pool the data.Descriptions of treatment modalities are required to identify the important elements for treatment success in drug-using female offenders.More trials are required to increase the precision of confidence with which we can draw conclusions about the effectiveness of treatmentsfor female drug-using offenders.

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