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Implementing a standardised perioperative nutrition care pathway in upper gastrointestinal cancer surgery: a mixed-methods analysis of implementation using the Consolidated Framework for Implementation Research
BMC Health Services Research volume 22, Article number: 256 (2022)
Implementation studies of complex interventions such as nutrition care pathways are important to health services research, as they support translation of research into practice. There is limited research regarding implementation of a nutrition care pathway in an upper gastrointestinal (UGI) cancer population. The aim of this study was to comprehensively evaluate the implementation process of a perioperative nutrition care pathway in UGI cancer surgery using The Consolidated Framework for Implementation Research (CFIR).
This was a mixed methods implementation study conducted during a pilot study of a standardised nutrition care pathway across four major hospitals between September 2018 to August 2019. Outcome measures included five focus groups among study dietitians (n = 4–8 per group), and quantitative satisfaction surveys from multi-disciplinary team (MDT) members (n = 14) and patients (n = 18). Focus group responses were analysed thematically using the CFIR constructs, which were used as a priori codes. Survey responses were summarised using means and standard deviations. A convergent parallel mixed methods approach according to CFIR domains and constructs was used to integrate qualitative and quantitative data.
Qualitative data demonstrated that dietitian perceptions primarily aligned with five CFIR constructs (networks and communications, structural characteristics, adaptability, compatibility and patient needs/resources), indicating a complex clinical and implementation environment. Challenges to implementation mostly related to adapting the pathway, and the compatibility of nutrition coordination to existing aspects of care within each setting. Identified benefits from dietitian qualitative data and MDT survey responses included increased engagement between the dietitian and MDT, and a more proactive approach to nutrition care. Patients were highly satisfied with the service, with the majority of survey items being rated highly (≥4 of a possible 5 points).
The nutrition care pathway was perceived to be beneficial by key stakeholders. Based on the findings, sustainability and compliance to this model of care may be achieved with improved systems level coordination and communication.
Malnutrition is highly prevalent in patients with upper gastrointestinal (UGI) cancer and is associated with poor patient outcomes . Preoperative nutrition intervention is recommended for patients undergoing surgery for UGI cancer [2, 3], however high-quality evidence around implementation of recommendations into practice is lacking .
One approach utilised to implement nutrition support in oncology cohorts is a nutrition care pathway. Care pathways are complex interventions that support shared decision making and care provision for in specified patient groups over a defined period of time, for the purpose of improving patient outcomes, promoting safety and satisfaction, and optimizing resource allocation . Several studies have identified benefits on nutritional and clinical outcomes in oncology populations, including improvements in access to care, nutritional status, weight and oncological treatment tolerance . However no studies have evaluated the application of a nutrition care pathway in an UGI surgical oncology population.
Complex interventions require evaluation of implementation in health services research, as they support uptake of new evidence that improves care effectiveness and quality, particularly for interventions implemented across varied health services or settings . The use of nutrition care pathways is an appropriate target for implementation research, as a means of understanding key contributing factors leading to implementation success related to process, mechanisms and contextual factors . The aim of this study was therefore to provide a detailed mixed methods analysis of the process of implementing a standardised nutrition care pathway for UGI cancer surgery into clinical practice from the perspectives of dietitians, multi-disciplinary team (MDT) members and patients using a validated theoretical framework, The Consolidated Framework for Implementation Research (CFIR) .
Standardised nutrition care pathway and implementation
The standardised nutrition care pathways was developed and implemented across four major metropolitan hospitals in Melbourne, Australia, in a prospective pilot study with historical controls. The study commenced in September 2018, with 6 months of recruitment and a 6 month follow up period. Patients who were ≥ 18 years and planned for curative intent surgery for oesophageal, gastric or pancreatic cancer (n = 35) participated in the intervention group, after providing written consent. Implementation of the pathway was performed by a study lead dietitian at each site (n = 4), with a total of 12 dietitians across the four sites assisting with day-to-day implementation, each with at least 6 years of clinical experience. The pathway was developed through literature review of existing evidence-based guidelines and expert consensus of surgical oncology dietitians at all participating sites. The pathway included guidelines for the timing, frequency and type of dietetics intervention patients should receive based on nutrition risk stratification and was aligned with key perioperative treatment timepoints (diagnosis/planning, neoadjuvant therapy, pre surgery and surgery). The nutrition care pathway was delivered in the context of a multi-disciplinary setting. Dietitians attended the weekly surgical oncology multi-disciplinary meeting and self-referred patients into the pathway. The key aspect of the model of care allowing implementation of the pathway was the initiation of a preoperative dietetics outpatient clinic, which was co-located within the weekly surgical oncology clinic. Further details of the nutrition care pathway, study sites and participants, pathway development and implementation, and the levels of evidence underpinning recommendations is to be published in an additional manuscript.
A structured approach to implementation was utilised, as outlined in Fig. 1. The implementation process was led by a dietitian with prior experience in development of a nutrition pathway in UGI cancer. Prior to implementation, training was provided to site dietitians by the lead dietitian, and site visits were also conducted before and mid-way through the project. The pathwas was promoted at each site through communication with key stakeholder groups (dietetics, surgical, nursing, executive and clinic staff) via emails and presentations at team meetings. Posters were also developed for patients and staff and placed at key clinic locations.
Focus groups with site dietitians were conducted during the pilot period (see section below) to discuss barriers and enablers to implementation.
The CFIR was utilised to describe and evaluate the nutrition care pathway implementation process for this study. The CFIR aims to determine ‘what works, where and why’,  and it comprises five domains (Table 1) incorporating 39 constructs. These domains and components interact at multiple levels, and are interdependent . The CFIR provides a rigorous structure for the principles of process evaluation, as previously described by Proctor  and Moore , and enables comprehensive evaluation of implementation by exploring the relationship between domains, constructs and outcomes [8, 10]. While the CFIR’s complexity can pose challenges to methodological design, it is valid to select the constructs most relevant to the study topic .
Qualitative focus groups
Focus groups with site study dietitians (including the four site leads) were conducted during the recruitment period, and at conclusion of implementation, in order to reflect the emerging aspects of implementation as the study progressed. There were four focus groups conducted monthly from November 2018 (2 months after study commencement) to February 2019. As no new themes or information were being generated, focus groups were then ceased and a final focus group was conducted at the end of recruitment to ensure no new themes were subsequently generated (August 2019). Attendance at each focus group varied based on how many clinicians at each site were implementing the pathway at the time (n = 4–8). The focus groups (average length of time 60 min) were run by the lead researcher (a dietitian), and were based on a semi-structured question guide developed to facilitate discussion of implementation, including barriers, enablers, successes and challenges. The focus groups were audio-recorded and transcribed verbatim. The focus group question guide is provided as a supplementary file.
Purpose-built surveys were developed for surgical, oncology and nursing stakeholders as no suitable surveys were available. These were tested by members of the project team prior to utilisation. The mixed methods staff survey evaluated perceptions and satisfaction with the pathway across 14 questions. Quantitative questions utilised five-point Likert items, while qualitative questions sought elaboration on service provision, patient outcomes and areas for improvement. These surveys were distributed in the MDT clinic and meetings at each site at the conclusion of the study period, and collected in hard copy by the project officer, to limit the potential bias if collected by dietitians, and maintain anonymity. Participation rate and discipline group (surgical or oncology) were unable to be determined as surveys were not distributed individually, in order to retain anonymity due to the small number of staff at each site. Patients who participated in the intervention group of the pilot study (n = 23) received the modified Patient Satisfaction with Clinical Nutrition Services (PSCNS) questionnaire, which has been validated in cancer outpatients . The survey includes 19 questions on a five-point Likert scale regarding staff presentation and interpersonal skills, perceived health benefit, written information and fulfilled expectations. These anonymous surveys were distributed and collected by nursing staff in hard copy. The control group could not be surveyed as this group consisted of historical controls.
Initial data analysis utilised a qualitative approach, with all data collected assessed for its alignment to CFIR domains and constructs, by coding at the question or variable level. The constructs were used as a priori codes, with a code book developed from Damschroder et al.’s definitions  to enhance analytical rigour . These codes were also applied to focus group data, which were independently coded by two researchers (ID, DH), with disagreements resolved by discussion. Data within each CFIR domain was then analysed according to its original form. Qualitative data was evaluated with thematic analysis, utilising the previously developed codebook. Quantitative data were analysed descriptively, using counts and percentages, and compared with the qualitative findings. A convergent parallel mixed methods approach according to CFIR domains and constructs was used, in order to triangulate findings and seek complementarity between quantitative and qualitative data . The final analysis presents the integrated findings by construct and domain.
The study is reported according to the Standards for Reporting Implementation Studies (StaRI) checklist , and the Good Reporting of A Mixed Method Study (GRAMMS) guideline . Ethics approval was obtained from the Human Research Ethics Committee in June 2018 (HREC/18/MH/90), with site governance secured prior to commencement.
Qualitative focus groups
Table 1 provides a summary of the integrated analysis of dietitian focus group data (n = 5 focus groups, 4–8 dietitians per session, 33–67% sampling rate, with at least one dietitian representative from each site), arranged around the CFIR construct themes. The CFIR constructs of ‘networks and communication’ and ‘structural characteristics’ were most frequently discussed by participants.
Fourteen members of the MDT completed the purpose-built satisfaction survey. The 23 patients who participated in the intervention received the PSCNS survey, and 18 (78% response rate) completed the survey. Tables 2 and 3 outline the results of the MDT and patient surveys, which were included in the integrated analysis of CFIR construct themes.
Integrated analysis of CFIR themes
The dietitians’ ability to adapt their approach to care was identified as important to their experience of the pathway, given individual variability in patient entry points, timing and interventions. Dietitians quickly realized that not all patients follow a typical pathway, and this was particularly evident when patients were yet to be informed of their diagnosis or treatment plan. The need for ongoing adaptation to the patient’s situation was problematic for dietitians, given the self-referral nature of the pathway. Further examples of dietitians adapting the pathway are discussed in ‘patient needs and resources’.
Dietitians also recognized the impact of the complexity associated with decision making and the treatment journey of these patients throughout the study period. This was particularly highlighted at the end of the study, with reflections on specific patient experiences.
Dietitians highlighted improved patient and team relationships, facilitated by co-location of the dietitian in the clinic, as a particular advantage of the pathway in comparison to the standard model of care. A more proactive approach, and the use of an outpatient model of care were identified as comparatively positive aspects of the pathway by dietitians and MDT members.
Patient needs and resources
Dietitians had to consider the sensitive nature of the diagnosis and emotional wellbeing of the patient, and often waited until the initial surgical and oncology consultations were completed before seeing the patient in the clinic. Often dietitians saw patients late in the session, and patients were tired. Therefore, dietitians adopted other strategies to ensure patients did not become too overwhelmed. A key tension that emerged during the study was the notion of ‘wanting to intervene as soon as possible’ (as per the pathway), but ‘not wanting to upset the patient’ if their diagnosis or treatment plan remained unclear; which was more common for atypical patients. Dietitians also become aware of the need to be flexible with regards to scheduling follow up appointments according to the pathway. However, most patients preferred to be seen on the same day as medical appointments or treatments, and dietitians recognised that linking in with existing appointments where possible was more patient centred and effective than phone or dietitian only reviews. As patients developed a relationship with the dietitians throughout their treatment, the dietitians often became their key liaison person. The development in their therapeutic relationship may have influenced their engagement, and dietitians noticed patients becoming more proactive as they received further intervention. Results from the patient PSCNS survey indicated that the dietetics service was highly rated both overall, and in each section (perceived health benefits, staff presentation and interpersonal skills, expectations and written materials) (Table 3). Responses from the MDT survey also confirmed these findings (Table 2).
Networks and communication
The most discussed construct was ‘networks and communication’, with both positive and negative aspects reported by dietitians. Communication and engagement with the MDT were perceived to significantly improve throughout the study by both dietitians and MDT members, particularly as a result of dietitian presence at the multi-disciplinary meeting and weekly clinic. However, communication regarding patients’ medical treatment and appointments remained an ongoing barrier to effective implementation. Dietitians found it time consuming to navigate the patient journey in order to self-refer patients into the pathway or conduct follow ups, as changes in appointment schedules were not communicated with the dietitians. Communication barriers specifically included conversations regarding treatment plans occurring outside the weekly multi-disciplinary meeting and not documented in patients’ medical records, or patients receiving private follow up appointments. This created a significant ‘coordination burden’ for dietitians as the pathway was designed around patients’ pre-existing medical appointments and key stages in their treatment. No single person was responsible for ownership of communicating the treatment journey to the team. These issues were noticed particularly for patients who were from rural locations, were receiving shared care between organisations, or who required further tests to confirm diagnosis. Facilitators to implementation included communication and documentation of treatment plan within the weekly multi-disciplinary meeting, as often the appointment dates were arranged during that time. Having a nurse coordinator was also regarded as a significant advantage at one site.
Structural characteristics was the second most prevalent construct discussed by dietitians. Shared care between health services emerged as an important barrier to efficient and timely dietetics care. Sites that provided both surgical and oncology treatments onsite reported less concerns regarding this. A frequently encountered example of this issue was the logistical issues of booking patient appointments if they were not attending the allocated clinic, or if they were being managed by multiple clinicians or health services (particularly at the diagnosis stage when determining if patients were eligible to enter the pathway). Although, the physical co-location of the dietitian was beneficial for seeing patients and optimising management together with the medical team. The scores from the MDT survey also reflected some barriers around referral and entry into the pathway (Table 2).
Compatibility of workflows
Within the first 2 months of the study, it became clear that the pathway was most compatible with the weekly outpatient clinic model of care for which it was originally designed. The pathway was less compatible when patient care was delivered using different workflows (e.g. via phonecalls) or patients did not attend the surgical oncology clinic to see the medical team. In these cases, a significant amount of dietitian time was spent attempting to make the pathway compatible with the different workflow. Throughout the study, the dietitians’ other competing workflows (for example, staff leave) also impacted on the ability to run the pathway on a day-to-day basis.
As more people joined the pathway, the level of coordination required due to the barriers described began to use a significant amount of time. However, the dietitians understood the importance of persisting with the pathway. Similarly, in the clinic, patient demand started to exceed resources within the first 3 months of implementation, and it was clear that allocated resources were insufficient. Members of the MDT also reflected that increased resources were required, however their feedback on the adequacy of patient access to dietetic intervention prior to surgery was positive overall (Table 2).
Knowledge and beliefs about the intervention and self-efficacy
A consistent challenge identified by dietitians was the need to rely on their clinical judgement and adapt the pathway to suit patient’s needs when high quality clinical evidence was not available. Over time, the dietitians became more comfortable with using their professional judgement to adapt the pathway, particularly where the evidence base was weaker.
Along with the previous cited perceptions about improved communication, the MDT survey respondents also identified significant benefits to seeing the dietitian before surgery (Table 2).
The barriers identified in the previous CFIR constructs made the execution of the pathway challenging, and sometimes impossible to achieve despite the dietitian’s best efforts (Table 2).
Throughout the study, dietitians reflected on their role coordinating the nutrition appointments during each patient’s ever-changing and complex clinical journey and that the barriers were mainly surrounding coordination of care. By the end of the study there were reflections on the improvements in patient care as a result of the pathway including being able to provide more proactive care, improved relationships with the MDT and having a greater understanding of the patient journey.
The inner setting was the most prominent domain in the implementation experience discussed in the dietitian focus groups, with regards to networks and communication, and structural characteristics. The data related to these constructs overlapped significantly and were also closely related to patient needs and resources, in turn affecting adaptability and compatibility of the pathway. Figure 2 demonstrates the interaction between the CFIR constructs discussed by dietitians in the focus groups, circles size representing prominence of construct discussion. Figure 2 was created by Dedoose qualitative analysis software (SocioCultural Research Consultants, LLC, 2019, Los Angeles, CA). Dedoose identifies code co-occurrences by mapping all code pairings that are applied to the same or overlapping excerpts and displaying them in a matrix. The size of the circles correlates to the number of times this construct was identified in the data, while the lines represent identified co-occurrences between them.
Understanding the successes and challenges posed by implementing interventions in order to effectively translate knowledge into practice is becoming increasingly recognised in oncology, particularly if the intervention involves a complex care pathway . This is the first study to evaluate nutrition care pathway implementation in cancer patients, using a validated framework. Other studies have described the compliance post implementation or assessed adherence to the intervention [17,18,19], but have not utilised an implementation framework for multidimensional analysis. The main benefits arising from pathway implementation in this study included increased engagement and communication between dietitians and the MDT and a more proactive approach, resulting in high overall levels of satisfaction of nutrition care from all stakeholders. Challenges to implementation largely involved issues related to pathway adaption to make it compatible with other aspects of medical care, which was influenced by communications, structural characteristics and patient needs. The significant overlap between the key constructs as outlined in the CFIR analysis demonstrates the complex clinical and implementation environment in which the dietitians attempted to use the pathway.
Co-location of clinicians from various disciplines can promote multidisciplinary care within the outpatient clinic setting . The nutrition care pathway model of care, particularly the inclusion of the dietitian in the weekly outpatient clinic, allowed for increased engagement and communication between the dietitian and the MDT. However individual patient variability and the need to adapt remained a consistent feature of the dietitian’s experiences throughout the study. Although the benefits to standardised care pathways have been demonstrated in other oncology populations , this study demonstrates that the complexity and heterogeneity within the UGI cancer patient population pose challenges to the standardisation of nutrition care; particularly as certain aspects lack robust evidence to support recommendations . Clinicians using a nutrition pathway need to be aware of the strength of evidence that guides care and also have strong clinical judgement skills, which can be challenging for those new to the field. Care pathways can be beneficial as a guide to management for clinicians but may not be compatible with all patient situations. Other studies describing sustainability post implementation of a nutrition care pathway in haematology cancer patients have also reported the need to undertake ‘practical’ changes to the pathway post implementation, particularly where the evidence to support practice was weak or based on expert consensus .
Although the MDT outpatient clinic was viewed as the most optimal way to deliver care in this study, it was difficult for dietitians to execute the pathway when patients did not attend appointments as scheduled. Other studies have demonstrated low attendance to standalone outpatient models of supportive allied health care in cancer patients, due to reasons including patients being too unwell or not wanting to travel to appointments , as seen in this study. Considerations of the patient emotional wellbeing and preferences often played a role in the dietitian’s decisions to modify the pathway. Innovative approaches to improve flexibility towards patient needs and reduce utilisation of dietetics resources could be considered, such as pre-recorded education videos, telehealth programs, or increased utilisation of joint consultations with surgeons or oncologists. A randomized controlled trial investigating intensive dietetics intervention for UGI cancer patients via a mobile app is currently being undertaken , with findings potentially being translatable to be incorporated into a nutrition care pathway model of care.
Whilst utilisation of structured protocols and pathways have been reported as a significant enabler to the treatment of malnutrition in cancer patients , the pathway implemented in this study relied on the dietitian to drive the referrals and arrange follow up care. However, the coordination of appointments was not expected to be a significant aspect of their role prior to the study. It became evident that the pathway was not adequately integrated into existing clinical structures and processes, resulting in decreased compatibility in the inner setting. This was an unexpected finding from the study, although this confirms previous research that the context can largely impact on whether practice change is successfully achieved . Although a dietitian is best placed to drive change to nutrition care, ideally the pathway should be implemented within the medical care pathway, and responsibility of implementation shared across the team. Williams et al. describe the implementation of a multi-disciplinary preoperative nutrition optimisation clinic (POET) and pathway in a recent publication . Whilst the dietitian is the integral clinician for delivery of nutrition care, screening of patients and referral into the pathway are performed by a range of treating clinicians. The clinic therefore aims to focus dietetics resources to delivery of nutrition intervention as this is where specialist skills are most valuable, but also to increase awareness and responsibility for recognition of malnutrition across all disciplines involved in patient care. Furthermore, the barriers faced in this study with regards to care coordination may largely be due to the lack of adequate funding for nurse coordinators at the participating sites. In other multi-disciplinary surgical optimisation programs, including the POET clinic, nurse coordinators are deemed as an essential member of the team who facilitate coordination and communication across departments, and the patient [24, 25].
The systematisation of multi-disciplinary care in this context also requires further exploration, which may include strategies to ensure that all clinicians can view a patient’s progress in their treatment journey in ‘real time’. Findlay et al. successfully implemented an evidence-based model of nutrition care in head and neck cancer, by ensuring integration with the MDT using a live Nutrition Care Dashboard that was incorporated into the weekly multi-disciplinary meeting . Nutrition information and handover was also standardised as part of the electronic medical record to ensure continuity of care between clinicians and care settings . This approach could be beneficial to overcome barriers discussed in this study, particularly those related to communication and compatibility. However, the contextual complexities described in this study, including shared care between institutions and multimodal treatments, pose significantly different challenges to a head and neck cancer population receiving radiotherapy as a single treatment modality, at a single institution. The POET clinic also implemented an online dashboard and system of direct transfer of surgical notes to the dietitian to facilitate communication and collaboration, however it is noted that patients attend clinic and begin the nutrition pathway only once they are scheduled for surgery . The nutrition pathway implemented in this study is unique as it spans the entire preoperative oncological treatment pathway as well as the immediate pre-surgical period. The pathway aims to provide nutrition care as early as possible which optimises patient care, but challenges are faced when care is being provided over an extended time period, and across multiple treatment stages. It is noted that the pilot period was relatively short in this study. As the pathway becomes more ingrained and established into practice over time, communication between members of the MDT and dietitian may improve.
Strengths and limitations
Strengths of this study include the use of mixed methods to obtain data from a wide range of stakeholders including members of the MDT and patients, which were integrated in the final analysis. Dietitian focus group data was collected longitudinally throughout the study and on completion, reflecting the transpiring aspects of implementation across the study period. The intervention and implementation data collection were conducted across four sites, enabling a rich understanding of challenges and benefits across hospital settings. Limitations of the study include the fact that all data collected were self-reflections of a relatively small sample of size of participants, and differences between sites were not investigated. The site leads participated repeatedly in the focus groups, which could bias the perspectives, however other dietitians involved in the study also participated and during coding dominance from one person/site was not observed. Included quotes were selected to be as representative as possible. The study lead conducted the focus groups and analysed the data therefore bias may have been introduced in data collection, however this was minimised during analysis by having a second coder who was not involved in the project and did not know the participants. Furthermore, qualitative data from patients and the MDT was not collected, due to funding limitations.
This study provides detailed insights regarding the implementation of a nutrition care pathway in a ‘real world’ clinical setting. Overall, the benefits to the pathway compared to standard care were well recognised by all participants, and the MDT outpatient clinic model of care enabled the most compatible environment for success of the pathway. However, challenges to successful implementation arising from complex clinical and structural environments resulted in a significant coordination burden for dietitians and a reduced ability to execute the pathway effectively. Findings suggest that for this nutrition care pathway to be successful it requires integration into MDT care. In addition, coordination and communication regarding the patient’s medical care requires improvement at a systems level. Further exploration of systematic integration nutrition care into standard treatment pathways is required.
Availability of data and materials
The data-sets generated and/or analysed during the current study are not publicly available due to ethical review restrictions, but aggregated, de-identified data are available from the corresponding author on reasonable request.
Consolidated Framework for Implementation Research
Patient Satisfaction with Clinical Nutrition Services
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The authors would like to thank the following people for their input and support of the study: Ms. Natalie Simmance (Chief Dietitian, St Vincent’s Hospital Melbourne), Ms. Michele Hughes (Allied Health and Clinical Nutrition Manager, The Royal Melbourne Hospital), Ms. Ilana Hornung (Cancer Services Manager, Western Health). The authors would also like to thank the following dietitians at each site for their input into the study and assisting with data collection: Ms. Jacqueline McNamara, Ms. Yvette Boxhall and Ms. Hollie Bevans (Western Health), Ms. Orla Doran and Ms. Nadia Hendriks (St Vincent’s Hospital Melbourne), Ms. Emma Bidgood (The Royal Melbourne Hospital) and Ms. Rose Rocca, Ms. Kate Graham and Ms. Kirsty Rowan (Peter MacCallum Cancer Centre). The authors would also like to thank the members of the project advisory committee for their input and support. Finally, the authors would like to thank Mr. Michael Barton and Ms. Kathy Quade from Western Central Melbourne Integrated Cancer Services (WCMICS) for their support. Dr. Nicole Kiss was supported by a Victorian Cancer Agency Fellowship during the period of contribution to this study. Permission has been received from those named in the acknowledgements.
This study was supported by a project grant provided by Western Central Melbourne Integrated Cancer Services (WCMICS).
Ethics approval and consent to participate
The study is reported according to the Standards for Reporting Implementation Studies (StaRI) checklist, and the Good Reporting of A Mixed Method Study (GRAMMS) guideline. Ethics approval was obtained from the Human Research Ethics Committee in June 2018 (HREC/18/MH/90), with site governance secured prior to commencement.
Patients in the intervention group provided written informed consent to participate in the study. Ethics approval to utilise anonymous dietitian focus group and clinician survey data was approved by the Human Research Ethics Committee.
Consent for publication
Patients in the intervention group provided written informed consent to participate in the study, including for data to be published.
ID has received grants from Nestle Health Science (not related to this study). KF has received conference, travel grants and/or honoraria from Baxter, Fresenius Kabi, Nutricia, Abbott and Nestle Health Science (not related to this study). The other authors have no conflicts of interest to declare.
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Deftereos, I., Hitch, D., Butzkueven, S. et al. Implementing a standardised perioperative nutrition care pathway in upper gastrointestinal cancer surgery: a mixed-methods analysis of implementation using the Consolidated Framework for Implementation Research. BMC Health Serv Res 22, 256 (2022). https://doi.org/10.1186/s12913-022-07466-9
- Gastrointestinal cancer
- Nutrition support
- Nutrition care pathway
- Multidisciplinary team