Keywords
General Practice, Antibiotics, Education, Interventions, Continuing Professional Development,
Inappropriate use of antimicrobial agents in healthcare settings is one area that has received attention as a possible route to mitigate the threat of antimicrobial resistance. Globally, the highest consumption of antimicrobials in human healthcare originates from prescriptions in Primary Care. Strategies to increase appropriate antibiotic prescribing, which can mean not prescribing an antibiotic e.g. cases of viral infection, have been developed and evaluated. This systematic review aims to review the literature of studies of group based in person educational interventions designed to increase appropriate antibiotic prescribing behaviours in General Practice settings.
EMBASE, CINAHL, Cochrane Central Register of Controlled Trials, MEDLINE and PsycINFO will be systematically searched from inception until February 2024 for primary studies of group based educational interventions designed to improve the antimicrobial prescribing behaviours in General Practice. Qualitative, quantitative and mixed methods studies that report on the phenomenon of interest will be included. All identified articles will be double screened at title and abstract level. One reviewer will then screen all included studies at full text level, extract the data, code the intervention and perform risk of bias assessment with a second reviewer performing verification of a randomly selected 20% of the articles. We will use an integrated approach to mixed method systematic reviews and will perform a narrative, or if possible quantitative, synthesis.
The review will identify and assess the efficacy and / or effectiveness of small group based educational interventions designed to improve the antibiotic prescribing behaviours of General Practitioners. By using a mixed methods approach we aim to identify the salient content of the included interventions and the perspectives of participants on the content and delivery of the included interventions. We will use the findings to inform the design and content of a small group educational intervention for GP registrars.
General Practice, Antibiotics, Education, Interventions, Continuing Professional Development,
Antimicrobial resistance (AMR) refers to the process where microorganisms become resistant to antimicrobial drugs, making once treatable infections challenging or impossible to manage1. The impact of AMR extends beyond treatment of infectious diseases. For example, the use of antimicrobial agents prophylactically in routine surgical procedures may be less effective, increasing the risk of serious infection. There are two identified strategies for addressing AMR, the first is the development of new antimicrobial agents and the second is tackling the inappropriate use of current antimicrobial agents.
As there is currently limited development of new antimicrobial agents1, current research and practice development requires a considerable focus on addressing the appropriate use of existing antimicrobials in a variety of settings. As AMR has increasingly become a global health concern2 the overconsumption, and inappropriate consumption, of antimicrobials, in particular antibiotics, has been identified as a key factor in the advance of AMR internationally3. Focusing on the consumption of antimicrobials is a key recognised element in addressing the threat of AMR1 and one element that has been highlighted as particularly relevant in human health is the antimicrobial prescribing behaviours of healthcare professionals4.
Appropriate prescribing of antimicrobials refers to using these agents only when indicated and then using the right drug at the right dose for the right length of time. While antimicrobial resistance encompasses numerous types of microorganisms including viruses, fungi and bacteria, the AMR focus of this review will be on the increasing bacterial resistance arising from the overuse of antibiotics, often through inappropriate prescribing5, in human health settings6 as the majority of human antibiotic consumption in Ireland and globally originates in Primary Care settings6,7. Inappropriate prescribing of antibiotics is when antibiotics are prescribed for conditions where there is no evidence that the antibiotics would provide any benefit8. Despite the increase in the promotion of appropriate antibiotic prescribing behaviours in General Practice9 inappropriate prescribing still occurs due to a number of different factors10 and General Practitioners (GPs’) antibiotic prescribing practices, once established, tend to remain consistent11. As the focus of this review is on interventions targeting GPs we are referring to the settings as General Practice as opposed to Primary Care which could also potentially include non – GP prescribers such as Nurses and Pharmacists. We will include Primary Care studies if they report exclusively or provide separate data on GPs.
Therefore, the present review aims to systematically evaluate and synthesise all the relevant available evidence on the efficacy and potential effectiveness of small group based educational interventions delivered to GPs that aim to improve antimicrobial prescribing behaviours. Small group learning in general practice has a long and key role in post graduate and continuing general practice education12. Focusing this systematic review on small group based learning in General Practice provides an unique opportunity to inform future interventions designed to address and improve inappropriate antibiotic prescribing behaviours. To our knowledge, this is the first systematic review of this kind that focuses exclusively on group based educational interventions designed to improve antibiotic prescribing behaviours specifically in General Practice.
The objectives of this systematic review are to review the literature of group based in person educational interventions designed to improve antimicrobial prescribing behaviours in General Practice and to assess their efficacy and potential effectiveness, to identify the components of these interventions and to identify the insights of intervention participants.
This protocol has been reported using the PRISMA – P (Preferred Reporting Items for Systematic Reviews and Meta – Analysis Protocols) guidelines13. The final systematic review will follow the PRISMA guidelines14.
This review will follow a mixed methods systematic review methodology15 using the integrated approach16 that will allow for the synthesising of the quantitative and qualitative data into a single synthesis.
Involving stakeholders in reviews has been identified as a possible method through which the impact of reviews can be increased17. Following the ACTIVE framework for stakeholder involvement in systematic reviews18 three relevant stakeholders, two GP registrars and one educational co-director of a GP training programme will join the existing review team and will contribute to the review. The ACTIVE framework describes 5 levels of stakeholder involvement in reviews, leading, controlling, influencing, contributing and receiving18. The participating stakeholder’s participation in this review will be at the controlling, influencing and contributing levels. Stakeholders will be involved in screening, data extraction, assessment of risk of bias, preparing the review data for publication and final write up for publication and dissemination and will be acknowledged in all dissemination activities.
Phenomenon of interest. The phenomenon of interest is the use of in person small group based educational interventions to improve antibiotic prescribing among General Practitioners. Our definition of small group based educational interventions is reflective of the definition provided by Crosby (1996)12 where the characteristics of the small group meeting as opposed to the number of participants is the most important aspect. The three characteristics outlined are that there must be active participation, there must be work toward a specific task (in our case it will be to improve antibiotic prescribing behaviours) and reflection12.
Primary studies that report on the phenomenon of interest will be included regardless of whether they use quantitative, qualitative or mixed – methods approaches. Relevant systematic reviews and meta- analyses will be screened for primary studies that were not identified in the initial searches. Table 1 outlines the inclusion and exclusion criteria.
We will include studies that focus on General Practitioners or GP Registrars (qualified doctors engaged in General Practice post graduate training) who primarily work in General Practice or Primary Care settings. We will include studies where the participation population is mixed with a) other Primary Care prescribers e.g. Nurses or Pharmacists or b) secondary care prescribers where the populations are reported separately, and it is possible to discern the data for the GP population.
Where studies examine the efficacy and effectiveness of group based in person educational interventions to improve antibiotic prescribing behaviours, they will be included and we will report the findings. Where efficacy and/or effectiveness are not measured or qualitative studies, we will report the intervention content and data from the participants.
Where studies assess the efficacy/effectiveness of small group based in person educational interventions to improve antibiotic prescribing the comparators we will use will be antibiotic prescribing as usual.
Our primary outcome of interest is the efficacy and effectiveness of group based in person educational interventions to improve antibiotic prescribing behaviour. Measures of efficacy and effectiveness will be determined by the outcomes reported, such as increased adherence to prescribing guidelines, from the interventions in the selected studies. Secondary outcomes will include the content of the material delivered, style of intervention delivery, duration of intervention and the reported experiences of the intervention participants.
We will carry out a thorough database search of EMBASE, CINAHL, Cochrane Central Register of Controlled Trials, MEDLINE and Ovid PsycINFO. The timeframe of the search will be from database inception to February 2024. All included publications will be reference searched, forward and backward, to identify any other potentially relevant studies. Where data is missing or not reported in identified studies the corresponding study authors will be contacted where feasible.
An example of the search strategy for MEDLINE can be located at https://www.crd.york.ac.uk/PROSPEROFILES/512491_STRATEGY_20240516.pdf with each search being adapted for the relevant databases. All search strategies including the date of searching will be included in the final review. The final search strategy will be developed in conjunction with a specialist research librarian based in the University of Galway.
Database search results will be imported into Covidence. Any duplicates will be removed and will then be checked by a member of the review team. Articles will then be screened using the Covidence platform.
All articles will be independently double screened at title and abstract level. The main reviewer (KR) will review 100% of articles with the double screening being divided up between members of the review team. The main reviewer (KR) will screen 100% of the articles at full text level and a second reviewer will independently screen 25% of randomly selected articles. Disagreements at all levels will be resolved through discussion and will involve consultation with a third reviewer as required. Reasons for inclusion/exclusion will be recorded and reported using a Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)14 flow diagram in the final review.
The main reviewer (KR) will design a data extraction form. This will be piloted where two reviewers (KR & AMR) will independently extract the relevant data from two of the included studies and a third reviewer (EM) will decide on the suitability of the data extraction form. The following data will be extracted:
Bibliographic data – author(s), affiliation of author(s), year of publication, source/journal and country
Study type – observational, qualitative, quantitative or mixed methods
Characteristics of the studies – study aim, study design, study population, and sample size
Characteristics of the interventions – type of intervention, method of delivery, duration, location, utility/feasibility of intervention and theoretical or conceptual framework used for intervention and quality of intervention reporting (based on the TIDieR checklist19).
Findings – Outcomes assessed, results of interventions, facilitators and/or barriers of the intervention and participants experiences/perspectives.
Where an intervention is reported across multiple publications, we will extract and combine the data. In the case of missing data, we will contact the corresponding authors where feasible. The main reviewer will then extract the data from 100% of the included studies while a second reviewer will check a random selection of 20% of included studies for accuracy.
Depending on the results of the searches we will conduct a mixed methods systematic review following an integrated approach that will allow us to synthesise qualitative data through thematic synthesis, synthesise the quantitative data, including performing meta – analysis if possible and then synthesise both. Should the type of quantitative data preclude performing a meta-analysis or quantitative data synthesis we will carry out a descriptive analysis.
The Mixed Methods Appraisal Tool20 will be used to carry out the risk of bias assessment. The main reviewer (KR) will assess 100% of the included studies and a second reviewer will assess a random selection of 20% of included studies. The assessments will be compared, and any disagreements will be resolved through discussion and consensus or if necessary, a third author (EM).
This systematic review will consist of reviewing and collating publicly available research materials and therefore does not require ethical approval.
This systematic review is the first study in a multi-phase research project that aims to improve antibiotic prescribing behaviours among GP registrars in Irish General Practice funded by the Irish Research Council. Ethical approval for the later stages of the project will be sought from the pertinent Research Ethics Committees. The findings from the systematic review will be combined with data accumulated from the later phases of the project.
Following completion of the systematic review the findings will be published in a peer reviewed open-source journal, presented at national and international conferences and the findings shared with relevant organisations. All review materials will be made freely available under the study review registration at https://osf.io/et2gx/
The study protocol has been registered on PROSPERO (CRD42024512491).
At the time of publication of this protocol the stakeholders have been recruited and the development of the search strategies is underway.
Any amendments to this study protocol, including the dates of the amendments and the review team’s reasoning for the amendments will be recorded on the study site on the OSF platform (https://osf.io/et2gx/) and will be included in the final published systematic review.
The primary outcome of interest is the efficacy, potential effectiveness and format (content and delivery) of group based in person educational interventions designed to improve antibiotic prescribing behaviours of General Practitioners in Primary Care settings. We have opted to use a mixed methods systematic review approach as the operationalisation and reporting of these interventions can vary across regions due to differences in healthcare systems (i.e. public, private or mixed). Also, as the format of data collected can vary due to the different healthcare systems that studies were conducted in following a mixed methods approach will allow us to systematically review the greatest number of studies on the phenomenon of interest. Examples of the types of data we expect to find include quantitative data on prescribing rates, adherence to national or local guidelines or qualitative data on barriers and facilitators of adhering to guidelines, differences in prescribing due to patient type (public vs. private) or mixed methods studies including both quantitative and qualitative data.
Is the rationale for, and objectives of, the study clearly described?
Partly
Is the study design appropriate for the research question?
Partly
Are sufficient details of the methods provided to allow replication by others?
Partly
Are the datasets clearly presented in a useable and accessible format?
Not applicable
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Clinical pharmacy; prescribing
Is the rationale for, and objectives of, the study clearly described?
Yes
Is the study design appropriate for the research question?
Yes
Are sufficient details of the methods provided to allow replication by others?
Partly
Are the datasets clearly presented in a useable and accessible format?
Not applicable
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Epidemiology, Systematic review, Meta-analysis, Network meta-analysis, Scoping review, Nutrition, Antibiotic prescription, Health Equity and Data analysis.
Alongside their report, reviewers assign a status to the article:
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