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Adaptation, implementation, and mixed methods evaluation of an interprofessional modular clinical practice guideline for delirium management on an inpatient palliative care unit

BMC Palliative Care volume 21, Article number: 128 (2022) Cite this article

Abstract

Background

Using delirium clinical guidelines may align interprofessional clinical practice and improve the care of delirious patients and their families. The aim of this project was to adapt, implement and evaluate an interprofessional modular delirium clinical practice guideline for an inpatient palliative care unit.

Methods

The setting was a 31-bed adult inpatient palliative care unit within a university-affiliated teaching hospital. Participants for the evaluation were interprofessional team members. Using integration of guideline adaptation and an education initiative, an interprofessional guideline adaptation group developed a face-to-face ‘starter kit’ module and four online self-learning modules. The mixed methods evaluation comprised pre-and post-implementation review of electronic patient records, an online survey, and analysis of focus groups/ interviews using an iterative, inductive thematic analysis approach.

Results

Guideline implementation took 12 months. All palliative care unit staff attended a ‘starter kit’ session. Overall completion rate of the four e-Learning modules was 80.4%. After guideline implementation, nursing documentation of non-pharmacological interventions occurring before medication administration was observed. There was 60% less scheduled antipsychotic use and an increase in ‘as needed’ midazolam use. The online survey response rate was 32% (25/77). Most participants viewed the guideline’s implementation favourably. Six key themes emerged from the qualitative analysis of interviews and focus groups with ten participants: prior delirium knowledge or experiences, challenges of facilitating change, impacts on practice, collaborative effort of change, importance of standardized guidelines, and utility of guideline elements.

Conclusions

Guideline implementation warrants concerted effort, time, and management support. Interprofessional team support facilitates the modular approach of guideline adaptation and implementation, leading to a change in clinical practice.

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Background

Delirium is a complex neurocognitive syndrome arising from global organic cerebral dysfunction. It is underdiagnosed, distressing for patients and families, and is associated with increased patient morbidity and mortality [1]. Delirium is present in one third of patients at inpatient palliative care unit admission, and increases to 88% in the last hours or days of life [2]. The hallmark features of delirium are a disturbance in attention, awareness, and cognition [3]. Delirium severity fluctuates over a 24-h period and nursing delirious patients can be extremely challenging, especially at night [4].

Clinical practice guidelines (hereafter referred to as ‘guidelines’) have been defined as “systematically developed statements to assist practitioner and patient decisions about appropriate healthcare for specific clinical circumstances” [5]. Guidelines may help standardise clinical practice, but need to be useful, applicable and relevant [6]. However, guidelines alone are insufficient to improve quality of care and the transfer of pharmacological and behaviour change interventions among healthcare providers into routine clinical practice do not always go as planned [7]. Evidence-based guidelines are rarely adopted successfully leading to inconsistent care practices, and possibly undesired health outcomes [8]. Guidelines should be accessible, share up-to-date evidence, use a standardised presentation that is easy to follow and not overly long, in addition to having a practical implementation process [9, 10]. Although several comprehensive delirium guidelines have been developed, few studies have evaluated their implementation [11].

Healthcare providers often report both delirium knowledge gaps and lack of easy access to clinical guidelines and system processes [12,13,14,15]. An interprofessional team approach towards the multicomponent management of delirium can improve quality of care [16]. Interprofessional delirium education interventions should align with organizational needs [17] and e-Learning is an effective and time-efficient intervention for large groups [18]. Family members of patients with delirium also benefit from educational and psychological support [19,20,21].

The impetus for this project was prompted by a serious incident and expressed family concerns regarding delirium care on our inpatient palliative care unit. The unit’s management committee identified three quality issues: gaps in identifying delirium, a need to standardise practice in the pharmacological management of delirium, and improved interprofessional team communication regarding delirium with patients, family members, and other team members. Secondly, in a previous local staff survey, respondents expressed a desire for guidelines to be “practice-oriented; brief; and consistently accessible”. Thirdly, newly emerging data from a large multicentre randomised clinical trial of antipsychotics to manage targeted delirium symptoms in palliative care patients demonstrated worsening of these symptoms with antipsychotics compared to placebo [22]. Publication of these trial results together with the findings of a systematic review and meta-analysis, which concluded that the use of antipsychotics was not associated with a change in delirium severity or duration [23], prompted a re-evaluation of the symptomatic management of delirium with antipsychotics in palliative care.

To improve the care of patients with delirium, our project aimed to adapt, implement, and evaluate a delirium guideline for the interprofessional team on our inpatient palliative care unit.

Methods

Setting and context

The project setting was a 31-bed, adult inpatient palliative care unit in a university-affiliated teaching hospital in Ottawa, Canada. In addition to physicians, registered nurses and registered practical nurses, the regular members of the interprofessional team are a pharmacist, social worker, and spiritual care provider. Other unit staff include ward clerks and a porter. Rotating medical residents and students (medical and nursing) contribute to patient care, and volunteers also provide unit support.

Ethics approval was obtained from the Bruyère Research Ethics Board (#M16-15–028) on June 16, 2015 and the Ottawa Health Science Network Research Ethics Board (#20150416-01H) on July 6, 2015. Interprofessional team member participants provided written informed consent.

Framework and reporting

The framework used for this project was the Knowledge to Action (KTA) Framework [24] with integration of guideline adaptation using CAN-IMPLEMENT© Version 3.0 [6, 25]. CAN-IMPLEMENT’s recommendation of “Think Implementation” was used throughout the guideline adaptation process and module development.

This report follows the Standards for Quality Improvement Reporting Excellence (SQUIRE) 2.0 Guidelines [26] and uses items from the Template for Intervention Description and Replication (TIDieR) checklist [27] for the education intervention. The completed SQUIRE 2.0 and TIDieR checklists are provided as Additional files (see Additional files 1 and 2 respectively).

Process of guideline adaptation

A systematic appraisal of delirium guidelines was first conducted to find high quality guidelines that were applicable to our patient population [11]. As no guideline was suitable to be used straight ‘off the shelf’, we selected four high-quality and applicable guidelines [28,29,30,31] for in-depth content review and adaptation. After establishing an interprofessional guideline adaptation group (consisting of a palliative care physician with a delirium research interest (SHB), nursing practice leader (ES), practice support nurse, pharmacist, social worker, spiritual care provider and unit clinical manager), an interprofessional delirium care pathway was mapped out. This was scaled down into manageable colour-coded domains by team consensus (See Fig. 1). As comprehensive and lengthy guidelines can be challenging to implement, rather than developing a single large module, we developed short modules to facilitate phased implementation with a pragmatic approach. The Nursing Delirium Screening Scale (Nu-DESC) [32] was the focus for the screening and assessment module as it was already in use on our unit for many years but with limited formal structured training for new nurses.

Fig. 1
figure 1

Depiction of the colour-coded modules for the interprofessional delirium guideline. The Silver box called “Delirium management on the PCU: Clinical Practice Guidelines” represents the ‘Starter Kit’ module. The initial Blue box called “Communication and Support” represents a major overarching aim of this project. At the time of this project, formal implementation of the RASS-PAL on the PCU was planned as part of a subsequent e-Learning module on palliative sedation, with content adapted from a regional palliative sedation guideline. Abbreviations: Nu-DESC: Nursing Delirium Screening Scale [32]; PCU: palliative care unit; RASS-PAL: Richmond Agitation-Sedation Scale, palliative version [33]

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Answers to key health questions regarding the care of patients with delirium were sought by performing a content analysis of the selected guidelines, and creating two recommendation matrices, [6] one each for non-pharmacological and pharmacological management. These were the foundation for our local guideline. An additional recommendations matrix on pharmacological interventions for delirium was created from published evidence-based reviews in cancer and older populations [34,35,36], but this became redundant once the study by Agar et al. was published [22]. Despite extensive discussions in three physician meetings, there was no consensus on the role of antipsychotics and dosing. Thus, rather than creating rigid pharmacological recommendations, a pharmacological ‘framework’ was created as a critical component of the pharmacological module [37].

Development of guideline educational content

The guideline adaptation group developed a 45-min introductory interprofessional module, called ‘The Starter Kit’, to be delivered as multiple small group mandatory face-to-face participatory sessions. Our messaging was that while participants may already know and practise much of the guideline content, the difference with this guideline was its systematic approach and incorporation of new emerging evidence on antipsychotics. The nursing practice leader developed an additional 15-min face-to-face module on monitoring for nurses.

The remainder of the guideline content was developed as four online self-learning modules (e-Learning modules): nurse delirium screening, non-pharmacological interventions, communicating with a delirious person, and pharmacological management. (See Table 1 for further details). These modules were created in Microsoft Powerpoint® (2010) [38] with voiceover and uploaded to the hospital’s online learning system, and were to be completed according to the individual’s team role. A family information booklet was created from published literature on the patient and family delirium experience, [39] incorporating input from the interprofessional team and bereaved family members.

Table 1 Overview of content of modules and implementation resources for the unit interprofessional delirium guideline
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Implementation planning by guideline adaptation group

Two implementation resources were developed: a practical easy-to-follow coloured ‘Big Picture summary’ and a poster-sized version of a coloured guideline algorithm. (See Table 1 for further details). Planning involved deciding optimal timing for guideline rollout. (See Table 2 for implementation timeline). Hospital management agreed to fund extra nursing coverage whenever nursing staff attended the combined ‘starter kit’ and monitoring sessions during a rostered shift, and nurse education sessions outside of working hours.

Table 2 Project timeline for adaptation, implementation, and evaluation of the interprofessional modular delirium clinical practice guideline
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Quality improvement measures

The project process measure was for ≥ 85% of the interprofessional team to complete the guideline modules. Outcome measures were team feedback in respect to the guideline being accessible, practicable and acceptable; reduction in use of antipsychotics in delirious patients; and increase in use of non-pharmacological interventions. Adverse impact on staff workload was used as a balancing measure.

Evaluation methods for the implemented guideline

Three evaluation methods assessed the process and impact of guideline implementation: surveys, focus groups/interviews and chart audit (See Fig. 2). The project lead also kept a contemporaneous field journal, recording the project timeline, unanticipated barriers or facilitators to implementation, or other learnings during the process [43].

Fig. 2
figure 2

Outline of evaluation strategy for implemented delirium clinical practice guideline based on CAN-IMPLEMENT. © Phase 3 [6]. aDue to change in hospital policy, hospital-paid sitters were not routinely available to sit with patients, so this outcome was not measured. Abbreviations: CAM: Confusion Assessment Method [40]; CPG: clinical practice guideline; IP: interprofessional; Nu-DESC: Nursing Delirium Screening Scale [32]; PCU: palliative care unit

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Three electronic surveys [44] were created for each of the three groups: (1) nurses, (2) physicians and pharmacist, and (3) allied health. Each survey contained 2–4 demographic questions, followed by 20–31 guideline-focused questions specific to team role, and concluded with an open-ended text box. (See Additional file 3 for example of evaluation survey). Survey development was informed by the Smart multi-dimensional model of clinical utility, [45] the Theoretical Domains Framework questionnaire, [7, 8] and an emergency department implementation survey [46]. Invitation and reminder emails to listserve groups of the interprofessional team included a survey link for anonymous and voluntary completion. The beginning of the survey included the participant informed consent form.

Unit staff were invited to participate in semi-structured focus groups or one-on-one interviews. Interview guide questions drew on the overarching project goal of developing a guideline which focused on both process and outcomes of care [47]. (See Additional file 4 for example of interview guide). Questions focused on exploring prior experiences with an emphasis on barriers and facilitators (people, processes) that arose in caring for delirious patients and their family members, understanding how staff engaged with guidelines overall, and participants’ recollection and connection with the delirium guideline module content. Focus groups and interviews were conducted by the research assistant (MK) who was independent of the clinical team. Audio recordings were transcribed verbatim. Transcripts were de-identified and imported into NVivo 12 [48] for analysis.

The retrospective chart audit was conducted by two investigators (SHB, MK). Consecutive charts of patients (by admission date) who were admitted in June – December 2015 and January – March 2018 were screened for documentation of a Nu-DESC score of ≥ 2 (i.e. a positive screen for delirium) and included in the audit if there was a physician-documented delirium diagnosis, either a Confusion Assessment Method (CAM) [40] positive assessment or a clinical diagnosis. Data were extracted onto a standardised password-protected spreadsheet and included pharmacological interventions for delirious patients and clinical care documentation by nurses and physicians. Figure 2 provides further details.

Analysis

Descriptive statistics were computed for quantitative data (survey and chart audit) using Microsoft Excel® (2010) [49]. Individuals with incomplete survey responses (≤ 50% of survey completed) were excluded from the analysis. Qualitative data were analysed using an iterative, inductive thematic analysis approach [50] by two researchers (MK, MD), both trained in qualitative research methods. In this approach, the researchers independently generated initial (along with in vivo) codes [51] using 30% of the dataset (three transcripts), incorporating language used by participants to remain as close to the data as possible. These initial codes were further refined in analysis meetings between the two researchers, and a codebook was developed with descriptions for each code. Each researcher independently coded the remainder of the dataset using this codebook. Following the flexible approach of thematic analysis, [50] iterative changes were made to the codebook throughout analysis. Codes were aggregated into potential overarching themes and subthemes based on the researchers’ interpretations of the coded excerpts. Themes were further refined throughout analysis, while maintaining coherency across excerpts coded within themes as well as throughout the full dataset [50]. To maintain the rigour and trustworthiness of the analytic approach, two researchers were involved in coding and theme development to facilitate consistency in data interpretation between the researchers and to allow for coding discrepancies to be resolved through discussion. In addition, the data and final analysis were presented to the project lead (SHB), who was not involved in data collection and analysis processes but was familiar with the phenomenon being explored, to validate the findings.

Results

Evolution of guideline implementation

The rollout of the ‘starter kit’ was first attempted in February 2014. Implementation stalled due to unexpected major staff changes on the unit and the lack of consistent advanced nursing practice leadership. During this hiatus, work started on the information booklet for families. A shorter bilingual (English and French) ‘patient and family delirium information leaflet’ version was created in time for implementation, with printed copies made available on the unit as well as accessible on the hospital external website [52]. Table 2 shows the detailed project timeline.

Full guideline implementation (of the six modules and additional implementation resources) took 12 months, from December 2016 – December 2017 (See Table 2). The introductory ‘starter kit’ was implemented as 23 face-to-face sessions over two weeks. Sixty-one participants, consisting of unit staff (nurses, physicians, medical learners, allied health, ward clerks and porter), nursing students and instructors, and rostered volunteers, attended with a maximum of ten participants per session. A further seven sessions were delivered to both nurses who missed the rollout and over 30 volunteers as part of their training day.

Three online e-Learning modules were launched in December 2016. The final pharmacological online module was launched in September 2017, with reminder email notification running until December 2017. Overall online module completion rate was 80.4%: delirium screening 73%; non-pharmacological 90%; communication 88.5%; pharmacological 70% (nurses: 74.2% (n = 49/66), physicians: 66.6% (n = 6/9)).

Evaluation

Survey

The overall survey response rate was 32% (25/77 interprofessional team members). (See Additional file 5, Table 1 for respondent demographics). All respondents either strongly agreed (12/25; 48%) or agreed (13/25; 52%) that the training was sufficient for them to follow the guideline in daily practice. Seventeen participants agreed that the guideline was accessible, and 17 participants agreed that it was helpful in guiding their delirium management decisions. Most participants (18/25; 72%) indicated that they intended to consistently follow the guideline in the next three months. Selected survey responses are presented by Smart Model of Clinical Utility in Fig. 3 and by Theoretical Domains Framework in Fig. 4.

Fig. 3
figure 3

Evaluation survey results: summary of responses based on Smart Model of Clinical Utility [45]. Abbreviations: CPG: clinical practice guideline; PCU: palliative care unit

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Fig. 4
figure 4

Evaluation survey results: summary of responses by Theoretical Domain Framework [7, 8, 53]. Abbreviations: CPG: clinical practice guideline; PCU: palliative care unit

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Chart audit

Of 75 patient charts screened, 40 with documented evidence of a delirium diagnosis were reviewed: 20 were pre- and 20 were post-guideline implementation. (Patient demographics are presented in Additional file 5, Table 2). Nursing and physician/medical learner documentation of delirium behaviours occurred in 16/20 patient charts pre-guideline implementation and in 17/20 charts post-guideline implementation. Post-guideline implementation, there were four occurrences of nursing documentation of first-line use of non-pharmacological interventions for relief of delirium symptoms or delirium-related distress, compared with none pre-guideline, as shown by these selected quotes:

“Registered Practical Nurse: Was easily calmed when staying with her and talking to her (January 7). Registered Nurse: Continue with nonpharmacological approach as much as possible (January 9). Night nurse: Writer able to effectively settle pt [patient] without pharmacological interventions (January 10)”. [Chart ID C45].

“Night nurse: Pt [patient] rang for nurse—when writer entered room, pt stated he “had to get to [name of nearby town]”. Writer reoriented to place—pt then questioned “where are we now” and when writer stated Ottawa, pt responded, “well I need a transfer then, I need to get back to [name of nearby town]”. Writer redirected and pt able to settle effectively”. [Chart ID C51].

In the 48-h period after a delirium diagnosis, there was approximately 60% less scheduled antipsychotic use, similar ‘as needed’ antipsychotic use, and a 50% increase in ‘as needed’ subcutaneous midazolam administration post-guideline implementation. Additional file 5, Tables 3 and 4 show chart audit results with respect to antipsychotic and benzodiazepine medication administration before and after guideline implementation. See Table 2 for evaluation timeline.

Focus groups/ interviews

A total of 10/77 (13%) of palliative care staff participated in focus groups or interviews. The mean length of the two focus groups and three interviews was 19.5 min.

Six key themes were generated from the data (Table 3). Participant perceptions of guideline implementation reflected the temporal nature of changing practice. Specifically, changing practice involved incorporating prior knowledge or experience, confronting challenges during the change, and sustaining change. For some participants, their prior knowledge and extensive experiences of delirium informed their current practices, contributing to viewing the guideline as either basic or supplemental to past experiences. During the implementation process and corresponding changes to current practice, possible challenges to change were identified (e.g., limited staff presence at night). However, these obstacles were mostly seen as surmountable. Guideline implementation reached into participants’ future practice, wherein participants noted elements of their future practice improving, or conversely, not anticipating changes but instead reinforcement of their current practices. Participants also identified particularly significant or helpful elements of the guideline, positing that the guideline was beneficial in providing a common framework and language for the whole team to share. Overall, making changes to current practice was perceived to be a collaborative effort, enabling contributions from unit staff, volunteers, and family caregivers to effectively recognize and manage delirium.

Table 3 Qualitative analysis of guideline evaluation interviews and focus groups with staff: key themes and subthemes
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Unexpected benefits of implementation process

From the field journal, an unexpected benefit of pivoting to the last component (family information booklet) was that it really engaged the team, encouraged thinking about delirium, and gave them ownership of the resource, as it incorporated their feedback. The face-to-face small group sessions enabled presenters to gauge the current knowledge of the attending participants. If participants demonstrated good fundamental knowledge of delirium, then more content and discussion was added to their specific session, making it a dynamic process that was flexible to participants’ needs. Field notes also captured team members’ personal comments and observed practice changes during guideline implementation.

Discussion

Our guideline was adapted to meet our local context in order to encourage increased acceptance [54]. This project confirmed that the process of guideline adaptation can lead to engagement and capacity building, with a participatory approach developing a ‘community of practice’ [25]. Although this was the first time that interprofessional team members had worked together on such a project and regular meetings of the guideline adaptation group were a significant time commitment, the experience has helped shape our ongoing implementation and quality improvement work as a team.

We used multimodal education interventions with narratives [55], rather than solely relying on printed or electronic educational materials for guideline dissemination [56], to implement a novel modular guideline to the entire interprofessional team, including staff and volunteers, to improve fundamental delirium care on our palliative care unit. As successful guideline implementation typically requires behaviour change from more than a single professional group, [47] an intentional interprofessional guideline embraces and targets all groups simultaneously. While our interprofessional guideline domains (module topics) had been developed by consensus, we later discovered that they aligned with the quality statements of the 2014 National Institute for Health and Care Excellence (NICE) Quality Standard for delirium [57].

Consistent with CAN-IMPLEMENT©, [6] our guideline adaptation and implementation process was non-linear, dynamic and iterative. It can take an average of 17 years before research evidence changes clinical practice, [58] but our project enabled the timely incorporation of recent evidence [22] into bedside management. By presenting pharmacological interventions as a ‘framework’ rather than a prescriptive guideline on prescribing that removes physician autonomy, [59] it may be possible to nudge practice change. However, while our guideline recommended the prescribing of medications in lower doses than previously used and on an ‘as needed’ basis (as opposed to scheduled dosing), further research on the role of antipsychotics and benzodiazepines in delirium management is still needed [60, 61]. Follow up Plan-Do-Study-Act cycles will be needed to assess physician prescribing practices on an ongoing basis.

Several organisational contextual factors challenged the development of e-Learning modules and establishing rollout plans, with the final guideline implementation taking 12 months. While our implementation facilitators (including relevance to our patient population, management support, development of ‘user-friendly’ education resources, enthusiastic ‘delirium champions’, and a new patient education resource) were as previously reported, [62,63,64] our project also demonstrated the vital consideration of contextual factors for successful guideline implementation. [65, 66] These included the need for stability within the project team, advanced nursing practice leadership, protected time, and financial support for nurse attendance at education sessions [63, 67,68,69].

Although the eventual ‘starter kit’ implementation was time- and resource-intensive, it generated momentum for the remaining modules. While 100% of the interprofessional team participated in a ‘starter kit’ session, the completion rate for the subsequent four e-Learning modules varied from 70–90%. Our pharmacological module had the lowest completion rate. This may have been due to its length (as completion occurred during work hours or personal time) or staff reasoning that they already had the necessary requisite knowledge. In the future, to improve compliance with e-Learning module completion, dedicated time for staff completion should be considered. With an overall completion rate for all five modules of 90.2%, our reach was higher than previously reported in a trial of delirium guideline implementation in medical inpatients where overall attendance by ward staff to five 30-min topic education sessions was 40–73% [70]. As part of our guideline sustainability efforts, all new hired nursing staff receive the ‘starter kit’ session and are required to complete the e-Learning modules as part of onboarding. The ‘starter kit’ module is embedded in the orientation of new volunteers and a new 1-h lunchtime teaching session incorporating the elements of the delirium guideline is delivered monthly to rotating medical learners. Long-term management support may become challenging given the current fiscal environment. More research is needed on updating content and guideline sustainability with the implementation of periodically updated modules.

From the evaluation, surveyed participants all ‘agreed’ or ‘strongly agreed’ that the training had been sufficient. Interviewed participants confirmed that the collaborative guideline improved or reinforced their current practices and provided a common framework and language that could be used by the whole team [71]. Scheduled antipsychotic use declined. However, despite the historical avoidance of benzodiazepines in delirium, [1] there was proportionally more use of ‘as needed’ midazolam post-guideline implementation. In addition to studies examining non-pharmacological interventions and the role of pharmacological agents in the prevention of delirium and management of delirium symptoms in this patient population, further research is needed on patient-reported outcomes for the relief of delirium symptoms and associated distress.

Strengths and limitations

A strength of this project was the involvement of interprofessional team members in the guideline adaptation group at inception and the framework approach. Multiple evaluation methods added rigour. Qualitative methods were a notable component to capture the complex relationship between implementation processes, places and people [72].

A study limitation includes implementation in a single centre with its own unique culture. Different delirium guideline adaptation and implementation processes may be required for other settings and countries. Our project also had a much longer than anticipated lead-in phase, but the provision of two months of dedicated nursing practice leader time proved to be essential in enabling full guideline implementation. Although we followed the steps of the CAN-IMPLEMENT© Version 3.0 resource, [6, 25] the scalability of the utilised approach is unknown, especially given our demonstrated need for significant team and management support. Chart auditors were not blinded as to the purpose of the project, and it is possible that the prescribing practice of some physicians had started to change before implementation of the pharmacological module. We did not examine adherence or recording of ‘dose’ of multicomponent non-pharmacological interventions for delirium and further research is needed in this area [73]. Despite reminder emails, the response rate to the evaluation survey was low. Allocated time for staff completion of surveys may improve completion rates in the future. While the Guideline Development Groups for the four high-quality delirium guidelines [28,29,30,31] that we adapted had included patient members, we did not examine the acceptability of the delirium guideline from the patient/family caregiver perspective. Bereaved family caregivers had been interviewed as part of the development of our draft delirium family information booklet to capture their recommendations from their lived experience on the palliative care unit [74]. Future iterations of the palliative care unit delirium guideline would benefit from co-production with patient and family involvement as local project partners [75].

Conclusion

Although clinical practice guidelines can provide consistency in evidence-informed collaborative interprofessional practice, guideline adaptation and the development of supporting education sessions takes significant time and effort, requiring management support, nursing leadership, and interprofessional champions with protected time. Guideline implementation requires an agile and flexible team. Our report of the implementation of a novel modular guideline to an entire inpatient interprofessional team, including non-clinical staff and volunteers, using an education initiative, provides useful insights for other teams undertaking guideline implementation. Post-implementation evaluation is a critical component to demonstrate impact, both clinically and on the team. Future research should examine the sustainability of guidelines in palliative care settings and scaling up for multisite implementation.

Availability of data and materials

The study data are held at the Bruyère Research Institute. The datasets used and analysed during the current study are available from the corresponding author on reasonable request. To preserve the anonymity of the interviewees, the transcribed interviews are not available for sharing.

Abbreviations

CAM:

Confusion Assessment Method

NICE:

National Institute for Health and Care Excellence

Nu-DESC:

Nursing Delirium Screening Scale

SQUIRE:

Standards for Quality Improvement Reporting Excellence

TIDieR:

Template for Intervention Description and Replication

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Acknowledgements

This was truly a collaborative team effort. We would like to acknowledge the invaluable contributions of the other members of the palliative care unit interprofessional guideline adaptation group for this project and co-facilitating some of the ‘starter kit’ sessions: Sally Tierney, Marie-Claude Legacy, Marie-Eve Pinard, Mary-Anne Bourque, Sarah Welsh, and Mario DaPonte.

In addition from the frontline nursing staff, Sandra McBride Levesque, Laura Garrett, and Christine Lalonde for developing clinical cases/ nursing-specific content, Alain Rochon for his input on non-pharmacological interventions, and our volunteers, especially Rhéal Sabourin for his assistance in the French translation of the delirium patient and family information leaflet.

We also thank all the members of the palliative care unit team for their participation, and the management team at Bruyère Continuing Care for their support of this project.

We would like to acknowledge the Bruyère Learning and Development department for e-Learning module technical support; and Dr. Ian Graham, Senior Scientist in the Clinical Epidemiology Program, Ottawa Hospital Research Institute, for his guidance on guideline adaptation at the start of this project.

Funding

The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by a Bruyère Continuing Care Academic Medical Organization (BAMO) Incentive grant (SHB, PGL, PAG). The funding organization had no role in the design, implementation, interpretation, and reporting of this work.

SHB received financial support from a Creative Professional Activity Award from the Department of Medicine, University of Ottawa, Ottawa, Canada for this project. SHB and PGL receive Academic Protected Time Awards from the Department of Medicine, University of Ottawa, Ottawa, Canada.

Author information

Authors and Affiliations

  1. Department of Medicine, Division of Palliative Care, University of Ottawa, Ottawa, ON, Canada

    Shirley H. Bush, Peter G. Lawlor, Pamela A. Grassau & Henrique A. Parsons

  2. Bruyère Research Institute, Ottawa, ON, Canada

    Shirley H. Bush, Peter G. Lawlor, Alistair R. MacDonald, Henrique A. Parsons & Monisha Kabir

  3. Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada

    Shirley H. Bush, Peter G. Lawlor & Henrique A. Parsons

  4. Department of Palliative Medicine, Bruyère Continuing Care, 43 Bruyère Street, Ottawa, ON, K1N 5C8, Canada

    Shirley H. Bush, Elise Skinner, Peter G. Lawlor, Pamela A. Grassau & Henrique A. Parsons

  5. Faculty of Medicine, University of Toronto, Toronto, ON, Canada

    Misha Dhuper

  6. School of Social Work, Carleton University, Ottawa, ON, Canada

    Pamela A. Grassau

  7. Division of Palliative Care, Department of Family Medicine, McMaster University, Hamilton, ON, Canada

    José L. Pereira

  8. Pallium Canada, Ottawa, ON, Canada

    José L. Pereira

  9. Perth and Smiths Falls District Hospital, Smiths Falls, ON, Canada

    Alistair R. MacDonald

  10. The Ottawa Hospital, Ottawa, ON, Canada

    Henrique A. Parsons

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  1. Shirley H. Bush
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  8. Henrique A. Parsons
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  9. Monisha Kabir
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Contributions

Conceptualization, SHB, JP; Methodology, SHB, PAG, AM, JP; Guideline content analysis, SHB; Development of learning modules, SHB, ES, PGL, JP; Software, MK, HAP; Formal analysis, MK, MD, SHB, PGL; Investigation, SHB, MK; Writing—Original Draft, SHB, MK; Writing – Review & Editing, SHB, MK, PGL, ES, PAG; Visualization, SHB, MK; Supervision, SHB; Funding Acquisition, SHB, PGL, PAG. All authors have read and approved the manuscript.

Corresponding author

Correspondence to Shirley H. Bush.

Ethics declarations

Ethics approval and consent to participate

The study was approved by the Bruyère Research Ethics Board, Bruyère Continuing Care (Reference #: M16-15–028) and the Ottawa Health Science Network Research Ethics Board, The Ottawa Hospital Research Institute (Reference #: 20150416-01H) on June 16, 2015 and July 6, 2015, respectively. Written informed consent was obtained from interprofessional palliative care unit team members who participated in focus groups, interviews, and the evaluation survey.

Consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

Additional information

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Presented in part at the 11th World Research Congress of the European Association for Palliative Care (EAPC) (Digital Event) online, October 7-9, 2020. (Bush SH, Skinner E, Parsons HA, Tierney S, Lawlor PG, Lelievre N, Kabir M. Improving delirium care at the bedside for adult patients in a palliative care unit: Evaluation of an interprofessional modular delirium clinical practice guideline. 11th World Research Congress of the European Association for Palliative Care (Online), October 7-9, 2020. Palliat Med 2020;34(1) Suppl: Page 35-36: FC66)

Presented in part at the 16th World Congress of the European Association for Palliative Care, Berlin, Germany, May 23-25, 2019. (Bush SH, Skinner E, Kabir M, Grassau PA, Parsons HA, Tierney S, Lawlor PG. Improving and Aligning Delirium Clinical Practices on a Palliative Care Unit through the Development, Implementation and Evaluation of a Modular Clinical Practice Guideline. 16th World Congress of the European Association for Palliative Care, May 23-25, 2019: Berlin, Germany. Palliat Med 2019, Abstract P02-279, pg. 351. doi: 10.1177/0269216319844405)

Supplementary Information

Additional file 1.

 Completed Standards for Quality Improvement Reporting Excellence (SQUIRE) 2.0 checklist. Provides manuscript location for checklist items.

Additional file 2.

Completed Template for Intervention Description and Replication (TIDieR) checklist. Provides manuscript location for checklist items.

Additional file 3.

Delirium Clinical Practice Guideline Survey for Palliative Care Unit (PCU) nurses. Evaluation survey administered to Palliative Care Unit nurses.

Additional file 4.

Delirium clinical practice guideline focus group/interview guide for Palliative Care Unit (PCU) nurses. Focus group/interview guide used with Palliative Care Unit nurses in interviews to understand their experiences of using the delirium clinical practice guideline.

Additional file 5:

Compiled Supplementary Tables: Additional results for the delirium clinical practice guideline evaluation survey, and pre- and post-implementation chart audit. Table 1. Respondent demographics for evaluation survey. Table 2. Patient demographics for pre- and post- delirium guideline implementation chart audit. Table 3. Chart audit results for antipsychotic and benzodiazepine medication administration 24 hours before documented delirium diagnosis. Table 4. Chart audit results for antipsychotic and benzodiazepine medication administration 0-48 hours after documented delirium diagnosis.

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Bush, S.H., Skinner, E., Lawlor, P.G. et al. Adaptation, implementation, and mixed methods evaluation of an interprofessional modular clinical practice guideline for delirium management on an inpatient palliative care unit. BMC Palliat Care 21, 128 (2022). https://doi.org/10.1186/s12904-022-01010-6

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Keywords

BMC Palliative Care

ISSN: 1472-684X

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