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Health policy
Protocol
Characterising the evidence base for advanced clinical practice in the UK: a scoping review protocol
  1. Catrin Evans1,
  2. Brenda Poku1,
  3. Ruth Pearce1,
  4. Jeanette Eldridge1,
  5. Paul Hendrick1,
  6. Roger Knaggs2,
  7. John McLuskey1,
  8. Philippa Tomczak3,
  9. Ruaridh Thow4,
  10. Peter Harris5,
  11. Joy Conway6,
  12. Richard Collier7
  1. 1 School of Health Sciences, University of Nottingham, Nottingham, UK
  2. 2 School of Pharmacy, University of Nottingham, Nottingham, Nottinghamshire, UK
  3. 3 School of Sociology and Social Policy, University of Nottingham, Nottingham, UK
  4. 4 Emergency Department, Nottingham University Hospitals NHS Trust, Nottingham, UK
  5. 5 Health Education England East Midlands, Nottingham, UK
  6. 6 College of Health and Life Sciences, Brunel University, Uxbridge, UK
  7. 7 Health Education England, Leeds, UK
  1. Correspondence to Dr Catrin Evans; catrin.evans{at}nottingham.ac.uk

Abstract

Introduction A global health workforce crisis, coupled with ageing populations, wars and the rise of non-communicable diseases is prompting all countries to consider the optimal skill mix within their health workforce. The development of advanced clinical practice (ACP) roles for existing non-medical cadres is one potential strategy that is being pursued. In the UK, National Health Service (NHS) workforce transformation programmes are actively promoting the development of ACP roles across a wide range of non-medical professions. These efforts are currently hampered by a high level of variation in ACP role development, deployment, nomenclature, definition, governance and educational preparation across the professions and across different settings. This scoping review aims to support a more consistent approach to workforce development in the UK, by identifying and mapping the current evidence base underpinning multiprofessional advanced level practice in the UK from a workforce, clinical, service and patient perspective.

Methods and analysis This scoping review is registered with the Open Science Framework (https://osf.io/tzpe5). The review will follow Joanna Briggs Institute guidance and involves a multidisciplinary and multiprofessional team, including a public representative. A wide range of electronic databases and grey literature sources will be searched from 2005 to the present. The review will include primary data from any relevant research, audit or evaluation studies. All review steps will involve two or more reviewers. Data extraction, charting and summary will be guided by a template derived from an established framework used internationally to evaluate ACP (the Participatory Evidence-Informed Patient-Centred Process-Plus framework).

Dissemination The review will produce important new information on existing activity, outcomes, implementation challenges and key areas for future research around ACP in the UK, which, in the context of global workforce transformations, will be of international, as well as local, significance. The findings will be disseminated through professional and NHS bodies, employer organisations, conferences and research papers.

  • human resource management
  • medical education & training
  • organisation of health services
http://creativecommons.org/licenses/by-nc/4.0/

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

https://doi.org/10.1136/bmjopen-2019-036192

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    Strengths and limitations of this study

    • The review will provide a state-of-the-art picture of the evidence base (including outcomes and key implementation issues) for advanced clinical practice roles in the UK.

    • The review will highlight key research gaps and research needs for workforce transformation around advanced clinical practice in the UK.

    • Although the review has a UK focus, lessons learnt from this context will be of international interest, given that countries all over the world are engaged in similar workforce transformations through advanced health worker role development.

    • The multiprofessional and multisectoral focus will enable important comparisons to be drawn across these dimensions, but may limit the potential for in-depth analysis of profession-specific or sector-specific issues.

    Introduction

    Rationale

    A global health workforce crisis, coupled with ageing populations, wars, escalating costs and the rise of non-communicable diseases is prompting all countries to consider the optimal skill mix within their health workforce.1–6 The development of advanced clinical practice roles for existing cadres is one potential strategy that is being pursued.7–9 The origins of advanced clinical practice trace back to nursing in the USA and Canada in the mid-1960s, followed by the UK in the mid-1980s, then New Zealand and Australia in the 1990s.7 10 Advanced nurse practitioner roles evolved out of medical staff shortages, implementation of the European Working Time Directive (which reduced junior doctors’ working hours in the UK), changing healthcare population needs and increased ambitions for professional status and clinical career progression.11 More recently, other health and care professions have also adopted advanced, extended and expanded clinical roles12–17 and new non-medical cadres such as physician associates have been developed.18

    In the UK, health has been a devolved responsibility of its four countries (England, Scotland, Wales and Northern Ireland) since the late 1990s and each country has its own ‘National Health Service’ (NHS). The NHS in each country is tax-funded services, providing universal health coverage, and, although some policy differences exist, they share many similar goals and challenges.19 Health services across the UK are actively exploring the development and implementation of new and advanced clinical roles to address workforce challenges and transform the way that services are delivered.20–25 For example, in England, an ‘NHS Long Term Plan’26 sets out a vision for healthcare for the next 10 years, which includes the development of new integrated systems of care that aim to cross traditional divides between health and social care sectors and related professional groups, and enable more efficient and innovative ways of working.27 28 New service models (referred to as ‘Vanguards’ in England and delivered through ‘Sustainability and Transformation Partnerships’) are taking a wide variety of forms.29 For example, some areas have integrated primary and acute care systems along with mental health services. Others have created multispeciality community care providers focused on providing better care and rehabilitation services for older people.28

    Across the UK, plans have been developed to give an immediate focus on workforce actions required to implement such new models of care organisation and delivery.10 26 30–32 These recognise the need to invest in the development of new roles and advanced skills to enable workforce expansion—to be achieved by developing experienced professionals practising to the full extent of their education and training. This recognition has a twofold purpose: experienced health and care professionals will be enabled to work across professional boundaries and take on an extended scope of practice thus addressing workforce needs while also providing career development and rewarding opportunities to improve retention.21

    Advanced clinical practitioners (ACPs) are now being developed throughout the UK across a wide range of professional groups such as nursing, pharmacy, paramedicine, physiotherapy, radiotherapy, occupational therapy and others (see online supplementary file 1 for a list of professions/occupational groups that are being considered for the purposes of this review).33 Across the NHS, these occupational groups are collectively referred to as ‘health and care professionals’.33 34 The term ‘care professional’ does not denote a specific professional role, but rather, refers to the fact that certain professions or occupational groups may work within or across a range of settings and sectors in addition to more traditional health services, for example, within integrated care systems, in social care, in the private or voluntary sectors (eg, care homes) or in criminal justice settings.33

    Supplemental material

    These UK-wide policy developments have brought to the forefront ongoing concerns around significant variations that exist in the definition, nomenclature, implementation, regulation and education of ACP roles across different professions and settings. In contrast to countries where there are clear routes for advanced practice education, credentialing and regulation, there is a recognition that in the UK, especially within nursing, there has historically been considerable and confusing variation in advanced level role titles, job descriptions and role profile.12 35 One recent UK study, for example, found 595 different job titles that denote specialist and advanced nursing practice roles. Likewise, there is currently significant variation in educational preparation across roles and in the content of existing advanced clinical practice training programmes.35–37 This variability impedes workforce planning and raises concerns about patient safety.36

    In order to address these issues in England, the workforce transformation agenda is being supported by a national non-departmental public body, ‘Health Education England’ (HEE). HEE’s remit includes the education and training of individuals working at advanced levels through the development of advanced skills and educational training standards that can apply across a wide range of professional groups.26 In 2017, HEE published a Multi-professional Framework for Advanced Clinical Practice for England 33 providing a definition of ACP stating that: ‘Advanced clinical practice is delivered by experienced, registered health and care practitioners. It is a level of practice characterised by a high degree of autonomy and complex decision making. This is underpinned by a master’s level award or equivalent that encompasses the four pillars of clinical practice, leadership and management, education and research, with demonstration of core capabilities and area specific clinical competence’. The release of the HEE ACP Framework aims to support the implementation of advanced level clinical practice in health and related environments in order to ensure that health and care practitioners are supported in their role. The framework provides a basis to align existing educational curricula and competence frameworks and aims to create greater consistency across advanced clinical practice as well as inform new developments. The HEE ACP framework currently includes ‘consultant level’ practice, a role in the NHS Career Framework representing a more senior level of practice and service leadership that encompasses but goes beyond ACP capabilities.38 39 Within NHS Career Frameworks, advanced practice roles are deemed to be at level 7, whereas consultant practice roles tend to be level 8 (where level 5 represents the starting point for newly registered practitioners).40

    The HEE ACP framework applies specifically to England, but has been developed in consultation with stakeholders that represent professions across the UK (eg, Professional Bodies and Royal Colleges) and has drawn on similar advanced practice frameworks that exist in the other three countries.23–25

    As recognised in the HEE and other ACP frameworks, it is proposed that ACPs are educated to masters level (or equivalent) and have developed the knowledge and skills to allow them to take on expanded roles and scope of practice caring for patients (HEE refers to ‘masters level’ as an award that uses the relevant descriptors set at academic level 7 by the Framework for Higher Education Qualifications).33 41According to the HEE ACP framework, all health and care professionals working at an advanced level of practice should have developed their knowledge and skills to the level indicated in the core capabilities, across four pillars of advanced clinical practice: (1) clinical practice, (2) leadership and management, (3) education and (4) research.33 A key characteristic of professionals practising at an advanced level is the ability to work autonomously, thereby enhancing capacity and capability within multiprofessional teams. ACPs aim to improve clinical continuity, provide more patient-focused care and help to provide safe, accessible and high-quality care for patients.42

    Across the UK, there are currently different ways to gain and develop advanced practice capabilities depending on the nature and scope of advanced health and care practitioners’ practice.33 In England, for example, as part of HEE’s drive to standardise advanced level practice, a national ‘Centre for Advancing Practice’ is being established. The Centre is a partnership between HEE and NHS England, NHS Improvement and other national stakeholders. The Centre’s role is to strengthen governance arrangements for advanced level practice by recognising practitioners working at an advanced level through two routes: (1) accreditation of university education programmes, and (2) an equivalence recognition route. Individuals and health and care providers may access different routes to evidence achievement of advanced level capability and competence through accreditation or recognition of prior learning, work-based learning.36 37

    HEE is currently developing an approach to evaluate ‘equivalence’ that uses assessment processes established by the Academy of Health Care Science which defines equivalence as ‘a methodological approach where the outcomes of two processes are directly comparable even though the paths to achieving them are different. When equivalence is shown to exist between a new qualification and the qualification or experience an individual already has, further education or training becomes unnecessary’.43 The process of determining equivalence is a subjective process based on an individual demonstrating appropriate mapping of their training, education and experiences to a set of predetermined standards—in this case, the ACP Framework standards and HEE’s standards for the equivalence route.33 However, HEE’s precise methodology and approach for assessing equivalence are currently still under development.

    As this national work commences, there is an urgent need to understand more fully the current context of, and evidence around, ACP across the specialties, sectors and the multiprofessional workforce in different roles across different care pathways to inform a baseline understanding of the contribution and challenges of ACP in the health service. This proposed scoping review seeks to address this need by identifying and mapping the current evidence base around ACP in the four UK countries. This will enable a UK-wide as well as country-specific picture of the current evidence on ACP to be identified.

    Previous systematic reviews

    There have been several systematic reviews undertaken to determine the feasibility, impact and implementation challenges around ACP, specific to different professional groups.13–16 44–64 These reviews show that, globally, there is good evidence (especially related to nursing) to suggest that ACPs practise safely and can achieve good patient outcomes and high patient satisfaction. Evidence on cost-effectiveness and impact on service organisation/efficiency, however, remains equivocal.20 46 65 Implementation challenges include poor role recognition, lack of support and lack of integration within the wider healthcare system. More evidence is needed on how to support, scale up and sustain ACP-related innovations.66 67 Most existing reviews have had an international focus making it hard to determine the applicability of their findings specifically to the UK NHS context, and to identify the key gaps in the evidence base that are specific to the UK context. In addition, the profession-specific focus of previous reviews limits the ability to conceptualise the evidence base for the ACP role on a more sector-specific or speciality-specific basis. Some reviews have been UK specific but have been restricted to consultant-level practice and to just one professional group.22 39 68 In order to inform UK service-wide transformation, there is a pressing need to map out the existing UK evidence around ACP. In doing so, important areas for future research and development will be identified, which, in the context of global workforce transformations, will be of international, as well as local, significance.6 69–71

    Aim and objectives

    Aim

    To establish the current evidence base underpinning multiprofessional advanced level practice from a workforce, clinical, patient and service perspective in the UK.

    Objectives

    1. To identify what evidence exists about implementation, impacts and outcomes of advanced clinical practice in the UK across (a) different professions, (b) different sectors and (c) different specialities.

    2. To identify the challenges reported to affect advanced level practice implementation by sector, specialty and profession in the UK.

    3. To identify and describe the different types of outcomes and impacts of advanced level practice roles that have been reported, and to summarise existing knowledge on these, by sector, specialty and profession in the UK.

    4. To identify key gaps in the existing evidence base and the most urgent questions for future research.

    5. To consider how advanced level practice is being defined, conceptualised and applied across professions and the public, private and voluntary sectors of service provision.

    Methodology and methods

    Scoping review design

    This scoping review will follow a framework proposed by the Joanna Briggs Institute (JBI),72 73 which builds on previous guidance developed by Arksey and O’Malley74 and Levac et al.75 The JBI framework72 recommends organising the review process into nine stages:

    1. Defining and aligning the review objectives and questions.

    2. Developing and aligning the inclusion criteria with the objective and questions.

    3. Describing the planned approach to evidence searching, selection, extraction and charting.

    4. Searching for the evidence.

    5. Selecting the evidence.

    6. Extracting the evidence.

    7. Charting the evidence.

    8. Summarising the evidence in relation to the objectives and questions.

    9. Consultation (throughout).

    While the JBI framework72 informs the overall conduct of the scoping review, the ‘Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) extension for Scoping Reviews’76 has also been used to guide the reporting of this protocol, and will also subsequently be used to structure the reporting of the full review.

    Review registration

    This review title has been registered with Open Science Framework.77

    Review team

    The review is being conducted by a team comprised of multiprofessional expert clinicians, academics and policy-makers in the field of ACP (RT, RP, JC, RC, RK, JMcL, PH, PT), an information scientist (JE), a methodologist (CE) and a research fellow (BP). The team reflects multiprofessional expertise in nursing (CE, RP, BP, JMcL, RT), physiotherapy (JC, RC, PH), pharmacy (RK) and criminal justice work (PT).

    Patient and public involvement

    The review team also includes a senior lay representative within HEE (PRBH) who has been involved from the outset. He has helped to shape the review aims and objectives and will seek to ensure that the review makes patient and family concerns a key focus at every stage.

    Consultation

    As per JBI guidance,72 consultation is being built into the review from the outset. The ACP steering committee within HEE and professional bodies will be regularly consulted to help with (1) clarifying profession-specific nomenclature and operational definitions around ACP and (2) identifying key papers and grey literature. Towards the end of the review, there will be a national consultation event where the key findings are shared with invitees across all professions, sectors and specialities. Stakeholder views, including our public representative, will be sought to elucidate the context-specific significance of the findings and to help shape policy and practice-relevant recommendations.

    Eligibility criteria

    Constructing the eligibility criteria for inclusion of papers within this review has been highly challenging due to: (1) the broadness of the definition of ACP, (2) the varying interpretations of ACP across different professions, (3) the widely varying terminology of ACP-related roles and titles both within and across professions and (4) the wide range of professions and occupational groups involved. It is well recognised that achieving clarity and consistency around ACP is still a work in progress. Indeed, this review is one of multiple HEE-funded projects underway designed to promote clarity and stability within this area of workforce policy by establishing a system benchmark of the existing field of evidence. In particular, there are grey areas, overlaps and blurred boundaries between advanced and consultant-level practice and between advanced, extended, expanded and specialist practice. Within these grey areas, we have attempted to construct clear inclusion and exclusion criteria for the review, but recognise that these may be contested within particular professions, and, as per the iterative nature of scoping reviews,72 74 75 may be slightly revised as the process gets underway and as consultation continues. The inclusion criteria set out in table 1 use and expand on the mnemonic described by JBI for question formulation for scoping reviews (population, concept, context).72

    View this table:
    Table 1

    Inclusion and exclusion criteria

    Supplemental material

    Information sources

    The following bibliographic databases will be searched in the period October 2019–March 2020 using the date range of 1 January 2005 to the present:

    • Medline (specific segment, Ovid Medline and Epub Ahead of Print, In-Process and Other Non-Indexed Citations, Daily and Versions), 1946 to current (updated daily).

    • Health Management Information Consortium 1979 to present (updated bimonthly).

    • Allied and Complementary Medicine on Ovid, 1985 to present (updated monthly).

    • Embase on Ovid, 1980 to present (updated daily/weekly).

    • PsycINFO on Ovid, 1806 to present (updated weekly).

    • Cumulative Index to Nursing and Allied Health Literature (CINAHL) Plus with Full Text on EBSCOhost, 1937 to current.

    • SportDiscus on EBSCOhost, 1800 to current.

    • Applied Social Sciences Index and Abstracts on ProQuest, 1987 to current.

    • Occupational Therapy Systematic Evaluation of Evidence (OTseeker) (http://www.otseeker.com/).

    • Physiotherapy Evidence Database (https://www.pedro.org.au/)

    • The Cochrane Library.

    • JBI Evidence Based Practice (EBP) database on Ovid (name changed to ‘JBI Evidence Synthesis’ from January 2020).

    Grey literature, including theses repositories and some web-based discipline-specific research report collections, will also be searched (search strategies will be adapted accordingly for the discipline-focused resources):

    The search strategies have been developed by an experienced research information specialist (JE) and refined through team discussion and identification of discipline-specific terminology from health services organisations and associations such as:

    In addition, relevant professional associations and society websites have been scrutinised to identify relevant terminology to include for each of the professions identified by HEE for inclusion.

    In the course of researching the terminology and indexing relevant for each of these specific roles, an example of an existing search filter, for paramedics, was identified78:

    “Ambulances.sh OR Emergency Medical Technicians.sh OR Air Ambulances.sh

    OR paramedic*.tw OR ems.tw OR emt.tw OR prehospital.tw OR pre-hospital.tw

    OR first responder*.tw OR emergency medical technicians.tw OR emergency services.tw OR Ambulance*.tw OR HEMS.tw OR field triage.tw”

    This filter, which the paper states as being optimised for specificity, was used as a template, with some modifications, to develop parallel search statements for the other roles.

    Online supplementary file 2 is annotated to show the different search statements developed for each professional group; these will be combined with search statements devised to retrieve terms relating to ‘advanced practice’ and its synonyms. The final answer sets, after limiting to UK-focused studies and to the date range from 1 January 2005 to present, will be imported to an EndNote library and duplicates across the different database searches identified and removed.

    Search limits and exclusions

    Several discipline-specific strategies include abbreviations for the role titles, which also apply in other contexts, and therefore statements required modification with excluded phrases to avoid high selectivity at the expense of the required specificity.

    Indexing, as initially explored in Medline, ideally allows the use of terms for both the discipline (eg, occupational therapy) and the role (eg, occupational therapists), to ensure a full retrieval of relevant papers. However, this is not consistently available, either within a single database (eg, only “Podiatry” is available as a Medical Subject Heading (MeSH) term for chiropody/podiatry, no terms appear to be established currently for the corresponding roles), or across databases (eg, for dietitian or dietetics, the MeSH preferred terms in Medline are Nutritionists and Nutritional Sciences, respectively; in CINAHL, the terms are Dietitians and Dietetics, respectively).

    In order to limit retrieved studies to those conducted in the UK, published UK-specific search filters (with some modifications) will be applied.79 80 The terms “National Health Service” or “NHS” are included as proxies for UK terms. See this section of the strategy in online supplementary file 2 for further details.

    Selection of sources of evidence

    All the identified citation records from the information search will be exported into EndNote V.X8 and duplicates will be removed. Titles and abstracts of the remaining citation records will be screened for inclusion against the inclusion criteria for the review. Full-text articles of records that appear to meet the inclusion criteria will be retrieved and screened against the inclusion criteria, and those that fulfil all the inclusion criteria will be included in the review. All the above steps will be conducted by two reviewers (BP and CE) working independently at first and then meeting to compare the results and reach agreement. Any discrepancies will be resolved through consensus and consultation with the review team, and, where agreement cannot be reached, with key professional leads in the UK. Studies not meeting the inclusion criteria will be excluded. Reasons for exclusion will be provided in an Appendix in the final review report. The final search results will be reported in a PRISMA flow diagram.81 Authors of articles will also be consulted for additional information where necessary during the study selection process.

    Data charting process and data items

    Extraction and charting of study characteristics and study findings will be guided by the ‘Participatory Evidence-Informed Patient-Centred Process-Plus’ (PEPPA-Plus) framework.67 82 This framework provides a broad, yet comprehensive approach for advanced clinical practice role evaluation. The framework was initially developed in 200467 and, since then, has been used to evaluate advanced practice implementation and outcomes in a wide range of international contexts and in a wide variety of settings.82 83 To date, it has been mainly used within the nursing profession as this profession has a long history of advanced level practice role implementation. On careful review and consultation, the review team feel that the main domains within this framework are not profession specific and hence it would be suitable for the current project. Using an established framework for the review, will, we hope, enable a more straightforward comparison with international evidence on ACP and will also facilitate benchmarking of any future evaluation research on ACP (assuming that such evaluations will collect data in the same or similar domains).

    The PEPPA-Plus framework draws on the work of Donabedian84 and includes information on three domains (structure, process and outcomes) related to ACP roles. In terms of structure, the framework includes information about important structural factors that affect ACP role implementation (eg, title, remuneration, regulatory and governance frameworks, educational preparation, stage of role implementation, setting, years of experience). In terms of process, the framework explores factors such as the tasks and activities undertaken by the ACP, the frequency and intensity of ACP/patient interactions (the ‘dose effect’66) and the barriers and facilitators to role implementation. In terms of outcomes, these are explored in relation to five categories (each of which has several subcategories, and two of which have sub-sub categories): (1) patient and family (includes health status, health behaviours and perceptions of care and healthcare experiences); (2) quality of care (includes patient safety, processes of care and access to care); (3) healthcare provider, team and stakeholder (includes healthcare team performance, knowledge and skills, acceptance and satisfaction with the ACP role, ACP role support, job satisfaction); (4) organisation (includes recruitment and retention) and (5) healthcare use and costs (includes length of stay, readmission rates, waiting times, cost avoidance and cost savings). New data items not included within the framework may be identified and incorporated as the review progresses. This iterative approach is consistent with scoping review guidance72 74 75 and also with established approaches to using a framework approach in evidence synthesis.85

    Extraction of data on study characteristics and study findings will be managed in two different ways. Data on study characteristics (including information relating to the ‘structural’ domains of the PEPPA-Plus framework) will be extracted using a template which has been developed through consultations held by the research team and which will be analysed using an Excel spreadsheet. As noted above, this template may be refined through future consultations. Authors of studies will be contacted to obtain missing data where necessary and possible. Full details of the study characteristics template are provided in online supplementary file 3.

    Supplemental material

    Data relating to study findings will be managed using NVIVO. PDF copies of all included papers will be imported into NVIVO (V.12 Pro86) software. Study findings will be coded against the key process and outcome domains specified in the PEPPA-Plus framework.82 83 Full details of this initial set of process and outcome categories and subcategories are provided in online supplementary file 4.

    Supplemental material

    Charting and extraction will primarily be undertaken by one researcher (BP), although other team members may also be involved depending on the volume of papers that are eventually retrieved. This is a relatively common approach in scoping reviews and is considered appropriate as the focus is on extracting data for descriptive summary rather than to generate numerical estimates of effectiveness.87 88 Nonetheless, strict attention will be paid to ensuring consistency and quality. This will be achieved in the following ways: (1) initially, BP and CE will independently chart/extract data from an initial set of 10 papers using different study designs and compare results. This will be done in order to develop a clear and unambiguous understanding of the meaning of each category/subcategory within the data extraction templates and of how differently reported data items would be categorised; (2) this will be followed by another round of independent data extraction, comparison and discussion by CE and BP for another group of five papers (this process will continue until the team is satisfied that clear and shared understandings and a consistent approach have been achieved). In order to ensure transparency and rigour, this quality assurance process will include taking detailed notes of any areas of discrepancies or ambiguities and how they were resolved; (3) BP then will proceed to chart/extract data from the remaining papers; however, CE will read all the papers, check the accuracy of coding and identify any other issues that may need clarification; (4) finally, throughout the process, there will be weekly team meetings during which any ambiguous items or other issues are discussed and a way forward agreed. If other team members become involved in data charting/extraction, the training and quality checking process described above will be repeated.

    Critical appraisal of individual sources of evidence

    As a scoping review, the purpose is to map out the existing evidence and to summarise key study findings within different domains rather than to evaluate the quality of individual studies to determine risk of bias related to particular outcomes. Hence, in line with the review aim of providing an overview of the existing evidence base, rather than undertake a formal quality assessment of each study, we will assign a ‘level of evidence’ rating to each study using JBI’s well-established categorisation.89 In this way, it will be possible to evaluate the type of research that has been undertaken in terms of established evidence hierarchies, and, accordingly, to provide a commentary on the relative rigour of the existing evidence base.

    Synthesis of results

    Findings will be summarised and presented as per the main domains of the data extraction templates, configured in such a way as to address the key review objectives. Data relating to study characteristics will mainly be presented as a descriptive numerical summary accompanied by an explanatory narrative75 (eg, the percentage of studies that have been undertaken within different professions). Likewise, data related to study findings will be mapped within the categories of the PEPPA-Plus framework83 and will be reported as a narrative summary.90 Findings will be presented to explore sector-specific, speciality-specific and profession-specific commonalities and differences. Where possible, findings will be presented in tables or using concept network maps to provide a visual representation.

    Dissemination

    The scoping review results will be disseminated in three ways: (1) submission of a policy report to HEE, (2) publication in peer-reviewed journals (it is envisaged that at least two publications will be developed—one focused on primary care and one on acute care) and (3) presentation at HEE and national/international conferences.

    Conclusion

    This scoping review will provide comprehensive information on the body of research that exists on advanced clinical practice in the UK, spanning design, introduction, implementation and evaluation. Accordingly, it will be possible to map out the evidence on the impact of advanced clinical practice role and services on patient and families, healthcare providers and stakeholders, healthcare utilisation and cost, and quality of care. In addition, it will be possible to highlight the barriers and facilitators of the introduction and implementation of advanced clinical practice roles and services across different health and health-related sectors. Moreover, it will be possible to emphasise some of the organisational, professional and workforce issues associated with advanced clinical practice. Conversely, it will show areas that have been under-researched and may require further investigation and evaluation. This review will make an important contribution to policy development around ACP in the UK, and, in doing so, will highlight issue of wider interest to the international community working in this field.6 8

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    Footnotes

    • Twitter @Catrin_notts

    • Contributors CE: coordinated and conceptualised the project; developed all aspects of the project methodology and manuscript. BP: drafted the Methods section of the manuscript and reviewed and commented on the whole manuscript. RP: drafted the Background section; reviewed and commented on the whole manuscript. JE: developed the search strategy; reviewed and commented on the manuscript. PaH, RK, JM, RT, and PeH: reviewed and commented on the manuscript. PT: reviewed and commented on the manuscript; developed implications for non-traditional healthcare settings. JC and RC: contributed to conceptualising the project; reviewed and commented on the manuscript.

    • Funding This work was supported by Health Education England (DN384826—Evaluation for HEE ACP Programme—Current Evidence Based for Advanced Level Practice within Health and Related Environments).

    • Competing interests RP is a committee member of the Association of Advanced Practice Educators—UK (AAPE-UK) and represents AAPE-UK on the Health Education England (HEE) ACP Steering Group. RC is Clinical Lead for Musculoskeletal Practitioners in Primary Care & Project Director for the Centre for Advancing Practice, Health Education England. JC is a Research Advisor to Health Education England.

    • Patient and public involvement Patients and/or the public were involved in the design, or conduct, or reporting, or dissemination plans of this research. Refer to the Methods section for further details.

    • Patient consent for publication Not required.

    • Provenance and peer review Not commissioned; externally peer reviewed.