https://orcid.org/0000-0002-5036-9610
Figures
Abstract
Objective
Quality Improvement initiatives aim to improve care in Inflammatory Bowel Disease (IBD). These address a range of aspects of care including adherence to published guidelines. The objectives of this review were to document the scope and quality of published quality improvement initiatives in IBD, highlight successful interventions and the outcomes achieved.
Design/method
We searched MEDLINE, EMBASE, CINAHL and Web of Science. Two reviewers independently screened and extracted data. We included peer reviewed articles or conference proceedings reporting initiatives intended to improve the quality of IBD care, with both baseline and prospectively collected follow-up data. Initiatives were categorised based on problems, interventions and outcomes. We used the Quality Improvement Minimum Quality Criteria Set instrument to appraise articles. We mapped the focus of the articles to the six domains of the IBD standards.
Results
100 studies were identified (35 full text; 65 conference abstracts). Many focused on vaccination, medication, screening, or meeting multiple quality measures. Common interventions included provider education, the development of new service protocols, or enhancements to the electronic medical records. Studies principally focused on areas covered by the IBD standards ‘ongoing care’ and ‘the IBD service’, with less focus on standards ‘pre-diagnosis’, ‘newly diagnosed’, ‘flare management’, ‘surgery’ or ‘inpatient care’.
Conclusion
Good quality evidence exists on approaches to improve the quality of a narrow range of IBD service functions, but there are many topic areas with little or no published quality improvement initiatives. We highlight successful quality improvement interventions and offer recommendations to improve reporting of future studies.
Citation: Ridsdale K, Khurana K, Taslim AT, Robinson JK, Solanke F, Tung WS, et al. (2024) Quality improvement exercises in Inflammatory Bowel Disease (IBD) services: A scoping review. PLoS ONE 19(3): e0298374. https://doi.org/10.1371/journal.pone.0298374
Editor: Valérie Pittet, Center for Primary Care and Public Health, SWITZERLAND
Received: September 14, 2023; Accepted: January 24, 2024; Published: March 7, 2024
Copyright: © 2024 Ridsdale et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Data Availability: All relevant data are within the manuscript and its Supporting Information files.
Funding: The author(s) received no specific funding for this work.
Competing interests: I have read the journal’s policy and the authors of this manuscript have the following competing interests: Professor Alan Lobo has acted as a consultant and advisory board member for Takeda Pharma, Janssen and Bristol Myers Squibb. This does not alter our adherence to PLOS ONE policies on sharing data and materials.
Introduction
Inflammatory Bowel Disease (IBD), which includes ulcerative colitis (UC) and Crohn’s disease (CD), is characterised by inflammation of the gastrointestinal system, significant morbidity, and lifelong medication [1]. In 2017, 84.3 per 100,000 persons suffered from IBD worldwide [2]. Annual healthcare costs in Europe are over £10,000 per prevalent CD case, and over £6000 per prevalent UC case [3]. Guidelines promote optimum healthcare based on medical research findings and expert opinions. For example, The IBD standards [4] were created by IBD UK, a partnership of 17 patient and professional organisations. They outline how care should be high-quality for all patients with IBD, at all stages of their journey, including how care should be organised and managed to achieve this.
However, development of guidelines does not necessarily result in their implementation; guideline adherence is often reported as low. For example, despite guidelines on immunisations for IBD patients, low vaccination rates have been observed in both adult and paediatric groups who receive immunosuppressive treatment [5–7].
Quality Improvement (QI) “attempts to change clinician behaviour and, through those changes, lead to improved patient outcomes” [8], across domains including safety, effectiveness, patient-centredness, timeliness, efficiency, and equity [9]. Quality improvement projects are often local and time-limited [10]. Systematic overviews can help improve planning quality improvement projects by summarising what is already known and where there are evidence deficits [11]. A recent systematic review focused on publications addressing US quality metrics for adult IBD [12]. It found that successful approaches empowered non-physicians, targeted multidisciplinary teams, prompted clinicians using Electronic Medical Records (EMR) and restructured care delivery. Here, we present a broader scoping review of published quality improvement studies from any setting which address IBD care for adults or children.
Scoping reviews can be used to categorise available evidence on a topic and summarise knowledge gaps [13]. In this study, our objectives were to: 1) Characterise published reports of QI interventions in IBD care; 2) Identify high quality, successful studies and their intervention components; and 3) Map the current literature to the IBD Standards, and identify knowledge gaps.
Methods
Protocol
This scoping review was conducted using standard procedures and is reported in accordance with the “Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews” (PRISMA-ScR) statement (S1 Checklist). The protocol was fixed at the beginning of March 2022 (S1 Protocol).
Eligibility criteria
Eligible studies: a) were peer reviewed articles or conference abstracts published between 2009 and 2023 in the English language; b) included people of any age or gender with CD or UC; c) described at least one initiative aimed at assisting, facilitating, or improving the quality of care; and d) retrospective or prospectively collected baselines and prospectively longitudinal outcome data. Studies were considered ineligible if they were based exclusively on retrospective or cross-sectional data; were based in mixed populations who may not all have IBD (e.g., colorectal surgery); just discussed the process of forming an initiative without gathering data about the project itself; were health economic studies; were review papers; or any studies involving non-human participants. If there were numerous records for a single study, the most comprehensive dataset from that record was used. There were no restrictions on the study setting (e.g. level of healthcare, and urban/rural), location, or country of origin.
Information sources and search
On 2nd June 2023 we searched MEDLINE, EMBASE, CINAHL and Web of Science, with no date restrictions, using thesaurus and free-text terms related to IBD, CD, UC and QI (S1 Appendix). We also searched Google Scholar and reference lists of included studies.
Selection of sources of evidence
The search results were uploaded to Rayyan [14] and duplicates removed. The title and abstract of each paper were screened for eligibility by at least two reviewers, with disagreements settled by a third.
Data charting and process
Data collection forms were developed, piloted and iteratively modified in Microsoft Excel. The final form reflected domains of the Quality Improvement Minimum Quality Criteria Set (QI-MQCS) instrument [15] and other, topic-specific, fields (see data items). Authors were not contacted for missing data due to the number of studies and time constraints.
Data items
- Study characteristics: country, population (adult/paediatric), number of patients, number of centres, study design (guided by the QI-MQCS handbook [15]).
- The following categories were inductively derived by the team:
- ◦ Problem (studies were coded to one category): Preventive Health (sub categories: Vaccination; Screening; VTE Prophylaxis; Mental Health; Pre-treatment Tests); Health Maintenance (sub categories: Medication; Drug Monitoring; Endoscopic Scoring; Enteral therapy; Patient/Family Guidance; Follow-up; Pre-visit Planning Compliance; Treat to Target; Stratified Care; Urgent Care/Triaging; Time to Treatment; Care Co-ordination; Transitional Care); Multiple Quality Measures; Clinician Workload; Clinician Guideline Knowledge; and Costs/Resources.
- ◦ Intervention (studies could be coded to more than one category): Provider Education; New Protocol; New Documentation; Informatics; Reminder System; Patient Education; Accountability; and Team Change (e.g. Changes to team structure or composition).
- ◦ Outcome (studies could be coded to more than one category): Process outcomes: Protocol/Documentation Adherence; Treatment Rate; Vaccination Rate; Testing Rate; Screening Rate; Steroid Use; Follow-up Rate; Patient Knowledge; and Costs. Clinical outcomes: Remission Rate; Disease Activity; Length of Stay; Patient Satisfaction; Adverse Events; Nutritional Status; Admissions; Readmission; Relapse; Quality of Life; and Pain.
- The stage of the patient journey targeted by the improvement initiative, categorised using the IBD Standards UK system [4]. The standards are separated into 7 sections, which are summarised below. These are further broken down into a number of statements, which can be access on the IBD UK website.
- The IBD service: A well-organised and managed local Inflammatory Bowel Disease IBD service is necessary to provide safe, consistent, high quality, personalised care.
- Pre-diagnosis: Early and accurate diagnoses allows for treatment and support sooner, and better management.
- Newly diagnosed: The right treatment and support should be in place for newly diagnosed patients.
- Flare Management: Patients should recognise a flare, and access the right specialist advice and treatment to manage it as quickly as possible.
- Surgery: Surgery should be timely, led by surgeons with the right expertise, and with effective multidisciplinary working. Patients should fully understand their options and be offered psychological support.
- Inpatient Care: Inpatients should be admitted to a specialist ward with appropriate facilities, should receive a holistic assessment, and be given clear information on discharge.
- Ongoing care: As IBD is a fluctuating, lifelong condition, people need ongoing care, including a personalised care plan.
Critical appraisal
At least two reviewers applied the 16-item QI-MQCS instrument [15] to each study, with discrepancies resolved by a third reviewer. Scores were divided into terciles: the four lowest scores (two to five) were ranked as low quality; the five middle scores (six to ten) were ranked as moderate quality, and the four highest scores (eleven to fourteen) were ranked as high quality.
Synthesis
Narrative/tabular summaries and frequency counts were generated for study characteristics, problem, intervention and outcome categories, critical appraisal domains and knowledge gaps. A tabular synthesis was also produced detailing theories of change for high quality studies, including a description of their overarching themes.
Results
Study selection
After the elimination of duplicates, 1515 titles and abstracts were evaluated for eligibility; 1385 were excluded. On review of 148 full texts, 100 studies were included: 35 peer reviewed publications [16–50] and 65 conference abstracts [51–115]. Fig 1 details reasons for rejection. We also searched Google Scholar, and citations from included reports, but all were duplicates of already retrieved articles or did not meet inclusion criteria.
Characteristics of sources of evidence
Of the 100 included studies (see references and more information in S1 Dataset), the country was unknown in five cases; the remainder were conducted in the US (n = 77), the UK (n = 11), Israel (n = 2), Singapore (n = 2), Australia (n = 1), Belgium (n = 1), and Italy (n = 1). Twenty-six reports involved adults, 44 were on a paediatric population, and the population was unclear in 30. Seventy-two studies were single centre; 10 did not state the number of centres. Other studies ranged from 2 to 38 centres. Study designs were ‘pre-post’ (n = 92); time series (n = 4); observational cohorts (n = 2); individually-randomised (n = 1) and cluster-randomised (n = 1) controlled trials.
Problem/intervention/outcome categories
The quantity of papers which address each problem, intervention and outcome category are shown in Table 1. The problems addressed are broken down into adult and paediatric studies in Fig 2. Process outcomes were reported 124 times, whereas clinical outcomes were reported 50 times. Sixty-three studies reported only process outcomes.
26 studies reported an adult population, 44 reported a paediatric population, and the population was not stated in 30 studies.
Critical appraisal of included studies
Most full-paper reports in this review (32 out of 35) were rated between 10 and 14 on the QI-MQCS (Fig 3). Research only available as conference abstracts scored between 2 and 10, due to reporting limitations.
Reports are split into full texts (n = 35) and conference abstracts (n = 65). Maximum possible score is 16.
The following items were reported well in the 35 full-text articles: Organisational Motivation (n = 35), Data Source (n = 35), Timing (n = 35), Limitations (n = 34), Intervention Rationale (n = 33) Intervention Description (n = 32), Organisational Characteristics (n = 31), and Implementation (n = 30). Other items were reported more poorly: Organisational Readiness (n = 27), Adherence/Fidelity (n = 26), Sustainability (n = 24), Comparator (n = 22), Study Design (n = 16), Spread (n = 16), Health Outcomes (n = 12), Penetration/reach (n = 7).
The five lowest reporting items for the 65 conference abstracts were: Health Outcomes (n = 13), Comparator (n = 11), Organisational Readiness (n = 7), Spread (n = 7), Limitations (n = 3), and Penetration/Reach (n = 3).
Knowledge gaps
When mapping the studies to the areas of improvement defined by the IBD Standards [4], studies most commonly focussed on problems relating to ‘The IBD service’ (n = 41) or ‘Ongoing care’ (n = 40). There were gaps in QI research into the areas of ‘Newly Diagnosed Patients’ (n = 10), ‘Inpatient Care’ (n = 9) and ‘Flare Management’ (n = 8), and a distinct paucity of research into ‘Pre-Diagnosis’ (n = 1) and ‘Surgery’ (n = 1). 9 papers did not map to any areas defined by the IBD Standards.
Description of initiatives
All 30 papers that were rated as 11 or higher during critical appraisal (all of which were full papers) reported successful initiatives. This included papers focussing on the following problems:
- Preventive Health: Vaccination, and Screening (Bone health, nutrition, anaemia and C. difficile);
- Health Maintenance: Medication, Drug Monitoring, Enteral Therapy, Follow up, and Pre-visit Planning Compliance;
- Adherence to multiple quality measures (process and health outcome measures chosen as quality indicators, derived from American College of Gastroenterology guidelines [17], physician quality reporting system performance measures [18, 25], National Quality Strategy priorities [26], European Crohn’s and Colitis Organisation guidelines, or discussions between paediatric IBD centre representatives, policy makers and administrators [50]).
- Clinician Guideline Knowledge;
These 30 articles could be grouped into 3 overarching themes: Workload and workflow; Guidelines and standards; and Education and Information. Details of the intervention components and outcomes of the 30 ‘high quality’ papers are included in Table 2. Intervention components and outcomes of all 35 full texts and 65 conference abstracts can be found in S1 Dataset.
Discussion
We performed an extensive search of the published literature on QI initiatives in IBD, screened a large quantity of articles and identified 100 studies across a variety of settings, between 2010 and 2023. Studies covered a range of problem areas but some areas are underrepresented. High quality studies successfully demonstrated improvements through a variety of interventions. Conference abstracts provide useful insights but the lack of information hinders their replication. Intervention success was measured using a wide variety of outcome measures; more frequently in process outcomes than clinical outcomes. This may be unsurprising; though clinical outcomes are ultimately the QI target for improvement, process outcomes may give a more direct indication of the impact of the QI initiative, as they are less likely to be influenced by external factors [117].
Implications for patients, clinicians and policy makers
QI is a ‘bottom-up’ process that strongly relies on regional norms and the knowledge base of local clinicians. Despite efforts to standardise care, there still appears to be variation in clinical practice, much of which is unwarranted [118]. This review complements the more focused work of Fudman and colleagues [12] in offering a broader evidence base for improvement strategies in IBD. From that review and our own, there is now a sound evidence base for improvement approaches to several problems. Some interventions were complex, such as formation of a new rapid access clinic [24] or creating new job roles [12, 23], but many studies employed less time and resource intensive approaches, such as educational sessions. Common interventions included: patient educational handouts; different forms of learning sessions aimed at providers; posters or flyers in clinics; improvement of the pre-visit planning processes; standardised order sets; enhancements to the EMR system; and updates to, or development of new, decision aids and guidelines. Most of the published interventions were carried out in single centres, therefore to ensure the findings can be replicated, centres should consider specific differences between published studies and their own units [10]. High quality studies are identified in Table 2, with interventions which could be incorporated directly into services. These fall into overarching themes describing guidelines and standards, workload and workflow, and education and information. Services may also gain insights and ideas for QI by reviewing the remaining studies listed in the S1 Dataset; though there may be less detail published on these projects.
Different interventions were successfully implemented targeting similar problem areas. For example, Parker. et al [40] developed a vaccination update paper form with educational information for patients, which improved influenza vaccination rates by 27% and pneumococcal vaccination rates by 23%. Shores. et al [47] improved documented paediatric influenza vaccination rates by 51% by implementing a new EMR system that allowed prompts and automated letters to patients, and educating nurses and providers about this system and the importance of documentation. Guido. et al [28] improved therapeutic drug monitoring of post-induction anti-TNF levels from 43% to over 80% in under a year and sustained this for a further year, by establishing a local standard of care, creating a database, implementing therapy plants into the EMR, developing a reliable reminder system for order entry and follow-up, and updating the pre-visit planning process. Hellmann. et al [30] increased the proportion of infliximab infusion plans that had an appropriate drug level rechecked from 61% to 83% in one year through PDSA cycles involving education, development of an algorithm, feedback from providers, and EPIC software enhancements to flag abnormal levels and automate rechecking.
How to describe the pattern of attention in included studies?
Studies from paediatric centres account for just under half the studies included and extend the breadth of areas of practice addressed in studies included in this review. Categories were more restricted in studies which stated an adult population, though the spread is similar if studies which did not state their population are assumed to be on adults. The intervention categories we have used are by necessity broad. Therefore, although a particular overarching area may be represented, important facets may not. For example, approaches to improve vaccination practice are represented from adult and paediatric centres but important implications relating to use of Janus kinase inhibitors are not. Studies most frequently address adherence to multiple quality measures, vaccination and medication. Those relating to medication frequently address issues of biologic medication and its administration. The rapid proliferation of new agents in IBD has not been reflected in quality improvement studies to examine their optimum use.
There are few initiatives focussed on the ‘pre-diagnosis’ or ‘surgery’ phase of the patient journey, as well as underrepresentation of the newly diagnosed, urgent care, and inpatient care phases. Interestingly, key themes where high quality studies were not identified include those addressing patient experience and what matters to individual patients, team structure and appropriateness of drug–or surgical–treatment; for example the timing or sequencing of such treatments. Given pressures on in-patient and out-patient services, changes that impact on clinician workload are scarcely addressed.
Recommendations for future QI research
Non-publication of QI studies, publication in abstract form, or inadequate reporting in peer reviewed articles, all represent a substantial barrier to the dissemination of initiatives demonstrating good practice–and therefore their adoption. During critical appraisal, full text papers regularly failed to report on: the proportion of eligible units who participated (Penetration/Reach); health related outcomes; the potential, tools, or evidence of rollout to other units (Spread); the study design; and the sustainability or potential for sustainability (for example by reference to organisational resources or policy changes required). Although it is a critical appraisal tool, we recommend the use of the QI-MQCS, to supplement the Standards for Quality Improvement Reporting Excellence (SQUIRE) checklist [119], when reporting improvement initiatives. This would improve reporting of context-specific conditions that might affect knowledge translation to other settings, improving the ability to replicate findings at other centres.
Significant gaps have been identified, where new work is needed and which should meet standards for high quality studies. We recommend the development of improvement initiatives based on geographically-specific guidelines and formal IBD care quality criteria [120].
Limitations
The main limitation of our review is that it is restricted to published improvement initiatives, which might not be representative of all QI initiatives. Our use of Fan and colleagues’ [8] definition of quality improvement restricted our scope to exercises targeting clinicians which reported baseline and prospective follow-up data. Furthermore, our search strategy may have missed published articles that did not use QI terminology, but were by our definition eligible QI studies. The inclusion of studies published in abstract was an attempt to increase included studies, but Fig 3 demonstrates that the assessed quality of such studies is less than those published in full. In addition, there is inevitably some overlap between problem categories, whereby an intervention might fit into more than one. We dealt with this by allocating the category with best fit.
Conclusions
Good quality evidence exists for approaches to improving the quality of some IBD service functions, but this addresses only a narrow range and there are many topic areas with little or no published quality improvement initiatives. Successful interventions have been made but a wide range of areas are not represented. Use of the QI-MQCS to supplement the SQUIRE checklist would improve reporting of future studies.
Supporting information
S1 Checklist. Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) checklist.
https://doi.org/10.1371/journal.pone.0298374.s001
(DOCX)
S1 Protocol. Scoping review protocol (fixed in March 2022).
https://doi.org/10.1371/journal.pone.0298374.s002
(DOCX)
S1 Appendix. Search strategy for scoping review on quality improvement initiatives in Inflammatory Bowel Diseases.
https://doi.org/10.1371/journal.pone.0298374.s003
(DOCX)
S1 Dataset. Published Inflammatory Bowel Disease quality improvement studies identified in scoping review (n = 100).
Abbreviations: US = United States; UK = United Kingdom; Paed = Paediatric; N/S = Not Stated; NA = Not Applicable; IBD = Inflammatory Bowel Disease; QI-MQCS = Quality Improvement Minimum Quality Criteria Set (critical appraisal tool); EMR = Electronic Medical Record. *Study is only available as conference abstract, not full text report.
https://doi.org/10.1371/journal.pone.0298374.s004
(DOCX)
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