Implementing a virtual emergency department to avoid unnecessary emergency department presentations

OBJECTIVE

EDs are necessary for urgent health concerns; however, many physical ED visits could be better treated in alternate settings. The present study aimed to describe the feasibility, acceptability and effectiveness of a Virtual ED to reduce unnecessary physical ED presentations at a large tertiary health service in Australia.

METHODS

This observational study using the RE-AIM framework (Reach, Efficacy, Adoption, Implementation and Maintenance) evaluated the feasibility of a Virtual ED using routinely collected health service data and process-evaluation to assess intervention fidelity and adherence between April 2020 and 31 March 2022. The primary outcome for the present study was the feasibility of the Virtual ED model of care.

RESULTS

The Virtual ED received 2080 direct calls for patients with a mean age of 50.3 years, with 70.4% managed in the Virtual ED alone and 29.6% referred for physical ED presentation. Of the 2080 direct referrals, 95.8% were potentially avoidable ED presentations. Of those referred, 28.3% required an admission. Of calls managed entirely by Virtual ED, 18 (1.2%) unexpectedly required a hospital admission within 48 h. General practitioner respondents rated the Virtual ED service as helpful to very helpful. The service had an average of 212 referrals per month, with a 65.2% average growth rate. The Virtual ED service was considered helpful and clinically appropriate, with a high level of ED avoidance.

CONCLUSION

The Virtual ED prevented 70% of community triaged patients from presenting to the physical ED, with good uptake from all referrers, supporting the use of virtual care pathways in emergency care management.

Measuring performance in allied health professional role substitution models of care: a clinician survey

BACKGROUND

Professional role substitution models of care have emerged as a key strategy to address increasing healthcare demand. Gaining insights from those actively engaged in the process of these models' implementation and evaluation is pivotal to ensuring sustainability and further successful implementation. The purpose of this study was to describe allied-health clinicians' perceptions, practice, and experiences of healthcare performance evaluation in professional role substitution models of care.

METHODS

Data were collected via an online platform between 22 June - 22 July 2022 using a combination of convenience and network-based sampling of allied-health clinicians involved or interested in the implementation and evaluation of professional role substitution models of care. Clinicians answered 25 questions which consisted of demographic and targeted questions regarding performance evaluation across six domains of healthcare quality (effectiveness, safety, appropriateness, access & equity, continuity of care, and cost, efficiency, productivity & sustainability).

RESULTS

A total of 102 clinicians accessed the survey, with 72 providing complete survey data. Eleven allied-health professions were represented, working across twelve specialities in thirteen hospital and health services. Whilst most allied-health clinicians (93-100%) supported measuring performance in each of the six healthcare quality domains, only 26-58% were measuring these domains in practice. Allied-health leadership support (62.5%), clinician drive (62.5%), consumer engagement (50%) and medical support (46%) were enablers whilst a lack of resources (human, time, financial (47%)), healthcare performance frameworks and/or policies (40%) were identified as barriers. Given the opportunity, clinicians would invest the most financial resources in digital solutions as a core strategy to improve performance evaluation.

CONCLUSIONS

Allied-health professionals expressed strong support for principles of performance evaluation, however in practice, performance evaluation is still in its infancy in professional role substitution models of care. Organisations can implement strategies that maximise the enablers whilst addressing barriers identified to improve performance evaluation in these models of care.

Trust and confidence in using telehealth in people with chronic kidney disease: A cross-sectional study

Consumer trust and confidence in telehealth is pivotal to successful service implementation and effective consultations. This cross-sectional study measured trust and confidence in telephone and video consultations and associated with experience in telehealth modalities among people with chronic kidney disease at a metropolitan hospital in Australia. Self-report data were collected using validated trust and confidence in telehealth scales and 5-point Likert responses. Non-parametric tests were used to compare trust and confidence in telephone and video consultations (Wilcoxon Matched Pairs) and associations with telehealth experience (Mann-Whitney). Of the 156 survey participants, 96.2% had used telephone consultations and 28.9% had used video. Overall trust and confidence in using telehealth were high. Confidence (range 1-5) in using telephone consultations (mean 3.75 ± 0.71) was significantly higher than video consultation (mean 3.64 ± 0.74), p = 0.039. Trust in telephone consultations (mean 3.93 ± 0.64) was significantly higher than in video consultations (mean 3.67 ± 0.66), p < 0.001. There was a significant association between experience with telephone consultations and reported levels of trust and confidence in telephone consultations. Experience with video was significantly related to trust in video consultations, but not confidence. Given the substantial difference in experience between telehealth modalities, trust and confidence may change as further exposure occurs.

Cost-effectiveness of telehealth-delivered nutrition interventions: a systematic review of randomized controlled trials

CONTEXT

Telehealth-delivered nutrition interventions are effective in practice; however, limited evidence exists regarding their cost-effectiveness.

OBJECTIVE

To evaluate the cost-effectiveness of telehealth-delivered nutrition interventions for improving health outcomes in adults with chronic disease.

DATA SOURCES

PubMed, CENTRAL, CINAHL, and Embase databases were systematically searched from database inception to November 2021. Included studies were randomized controlled trials delivering a telehealth-delivered diet intervention conducted with adults with a chronic disease and that reported on cost-effectiveness or cost-utility analysis outcomes.

DATA EXTRACTION

All studies were independently screened and extracted, and quality was appraised using the Consolidated Health Economic Evaluation Reporting Standards (CHEERS) checklist.

DATA ANALYSIS

All extracted data were grouped into subcategories according to their telehealth modality and payer perspective, and were analyzed narratively.

RESULTS

Twelve randomized controlled trials comprising 5 phone-only interventions, 3 mobile health (mHealth), 2 online, and 1 each using a combination of phone-online or phone-mHealth interventions, were included in this review. mHealth interventions were the most cost-effective intervention in all studies. Across all telehealth interventions and cost analyses from health service perspectives, 60% of studies were cost-effective. From a societal perspective, however, 33% of studies reported that the interventions were cost-effective. Of the 10 studies using cost-utility analyses, 3 were cost saving and more effective, making the intervention dominant, 1 study reported no difference in costs or effectiveness, and the remaining 6 studies reported increased cost and effectiveness, meaning payers must decide whether this falls within an acceptable willingness-to-pay threshold for them. Quality of study reporting varied with between 63% to 92%, with an average of 77% of CHEERS items reported.

CONCLUSION

Telehealth-delivered nutrition interventions in chronic disease populations appear to be cost-effective from a health perspective, and particularly mHealth modalities. These findings support telehealth-delivered nutrition care as a clinically beneficial, cost-effective intervention delivery modality.

Are Digital Health Technologies and Models of Nutrition Care the Future of Chronic Kidney Disease Management?

People living with chronic kidney disease (CKD) require long-term support at varying levels of individualization, intensity, and frequency. Mobile and digital models of nutrition care can facilitate long-term behavior change, address nutrition issues proactively, reduce travel burden, and reach people without access to health care more easily. However, while traditional health delivery continues to be digitally disrupted, there are many barriers to address before mobile and digitally supported models of nutrition care can become business as usual in nephrology and nutrition care practice. This paper overviews the current evidence base concerning the past and present mobile and digital health programs to improve nutrition in CKD and highlights the novel future trends in this field. The way nutrition and dietetic care can be feasible, safe, and potentially effective when delivered using various digital and virtual technologies, including consultations, assessments, establishment of diagnoses, formulation of plans, and monitoring/reviewing clinical progress is discussed. Of the available evidence to date, these modalities appear to improve dietary sodium intake and diet quality, self-efficacy, interdialytic weight gain, and body weight. Many barriers exist to sustaining the continued and widespread adoption of digital and mobile health-supported nutrition care in CKD. These include patient-, clinician-, and health system-specific and are discussed in detail. Mobile and digital-supported models of nutrition care present an exciting opportunity to assist kidney dietitians deliver patient-centred nutrition care in CKD.

A non-randomised feasibility study of a mHealth follow-up program in bariatric surgery

BACKGROUND

Behavioural support via mobile health (mHealth) is emerging. This study aimed to assess the feasibility, acceptability, cost, and potential effect on weight of a mHealth follow-up program in bariatric surgery.

METHODS

This was a non-randomised feasibility study describing intervention development and proof in the concept of a mHealth follow-up program in bariatric surgery. The study compares a prospective cohort with a historical control group and was conducted in a tertiary bariatric surgery service in Australia. The intervention group included individuals who had bariatric surgery (2019-2021) and owned a smart device, and the historical control group received usual postoperative care (2018). The intervention involved usual care plus codesigned biweekly text messages, monthly email newsletters, and online resources/videos over a 6-month period. The primary outcome measures included feasibility (via recruitment and retention rate), acceptability (via mixed methods), marginal costs, and weight 12 months postoperatively. Quantitative analysis was performed, including descriptive statistics and inferential and regression analysis. Multivariate linear regression and mixed-effects models were undertaken to test the potential intervention effect. Qualitative analysis was performed using inductive content analysis.

RESULTS

The study included 176 participants (n = 129 historical control, n = 47 intervention group; mean age 56 years). Of the 50 eligible patients, 48 consented to participate (96% recruitment rate). One participant opted out of the mHealth program entirely without disclosing their reason (98% retention rate). The survey response rate was low (n = 16/47, 34%). Participants agreed/strongly agreed that text messages supported new behaviours (n = 13/15, 87%); however, few agreed/strongly agreed that the messages motivated goal setting and self-monitoring (n = 8/15, 53%), dietary change (n = 6/15, 40%), or physical activity (n = 5/15, 33%). Interviews generated four main themes (n = 12): 'motivators and expectations', 'preferences and relevance', 'reinforced information", and 'wanting social support'. The intervention reinforced information, email newsletters were lengthy/challenging to read, and text messages were favoured, yet tailoring was recommended. The intervention cost AUD 11.04 per person. The mean 12-month weight was 86 ± 16 kg and 90 ± 16 kg (intervention and historical control) with no statistically significant difference. Intervention recipients enrolled at 3 months postoperatively demonstrated a statistically significant difference in 12-month weight (p = 0.014).

CONCLUSION

Although this study observed high rates of recruitment and retention, findings should be considered with caution as mHealth may have been embraced more by the intervention cohort as a result of the 2019 coronavirus pandemic. Of the various digital strategies developed and tested, the text message approach was the most acceptable; however, future intervention iterations could be strengthened through tailoring information when possible. The use of email newsletters and online resources/videos requires further testing of effectiveness to determine their value for continued use in bariatric surgery services.

A mixed-method study to inform the development and implementation of eHealth in a bariatric surgery service in an Australian public hospital

AIM

This study aimed to explore patient barriers to accessing services, current technology ownership/use and digital device preferences for accessing health information/health service delivery. Additionally, it aimed to explore the Theoretical Domains Framework and the acceptability of future eHealth solutions in bariatric surgery.

METHODS

This mixed-method study (survey and semi-structured interviews) was conducted in a bariatric surgery service in an Australian public hospital. Quantitative data were analysed descriptively, and the qualitative data were deductively and inductively analysed.

RESULTS

This study included 117 participants (n = 102 surveyed and n = 15 interviewed). Most participants were aged ≥51 years (n = 70, 60%), and two-thirds were female (n = 76, 65%). One in three participants reported barriers to accessing services (n = 38, 37%), including parking, travel time, and taking time off work. Most participants preferred to receive or access additional health information via email (n = 84, 82%) and were willing to engage with health professionals via email (n = 92, 90%), text messages (n = 87, 85%), and telephone (n = 85, 83%). Deductive analysis of interviews generated three themes: 'Knowledge', 'Social influence' and 'Behavioural regulation, goals and environmental resources'. The inductive analysis generated one theme: 'Seeing a place for eHealth in service delivery'.

CONCLUSION

This study's findings can potentially influence the development of future eHealth solutions. Text message, email, and online approaches may be suitable for delivering further information and resources to patients, particularly regarding diet and physical activity. Online health communities are being used by patients for social support and may be worth further investigation. In addition, developing a bariatric surgery mobile application may be beneficial.

State of research, feasibility, safety, acceptability, and outcomes examined on remotely delivered exercises using technology for older adult with cancer: a scoping review

INTRODUCTION

Technology-based exercise is gaining attention as a promising strategy for increasing physical activity (PA) in older adults with cancer (OACA). However, a comprehensive understanding of the interventions, their feasibility, outcomes, and safety is limited. This scoping review (1) assessed the prevalence and type of technology-based remotely delivered exercise interventions for OACA and (2) explored the feasibility, safety, acceptability, and outcomes in these interventions.

METHODS

Studies with participant mean/median age ≥ 65 reporting at least one outcome measure were included. Databases searched included the following: PubMed, CINAHL, Embase, Cochrane Library Online, SPORTDiscus, and PsycINFO. Multiple independent reviewers completed screening and data abstractions of articles in English, French, and Spanish.

RESULTS

The search yielded 2339 citations after removing duplicates. Following title and abstract screening, 96 full texts were review, and 15 were included. Study designs were heterogeneous, and sample sizes were diverse (range 14-478). The most common technologies used were website/web portal (n = 6), videos (n = 5), exergaming (n = 2), accelerometer/pedometer with video and/or website (n = 4), and live-videoconferencing (n = 2). Over half (9/15) of the studies examined feasibility using various definitions; feasibility outcomes were reached in all. Common outcomes examined include lower body function and quality of life. Adverse events were uncommon and minor were reported. Qualitative studies identified cost- and time-savings, healthcare professional support, and technology features that encourage engagement as facilitators.

CONCLUSION

Remote exercise interventions using technology appear to be feasible and acceptable in OACA.

IMPLICATIONS FOR CANCER SURVIVORS

Some remote exercise interventions may be a viable way to increase PA for OACA.

Patients' experiences with rehabilitation care: a qualitative study to inform patient-centred outcomes

PURPOSE

To explore patients' experiences with rehabilitation, with a particular focus on outcomes that are perceived to be of value.

MATERIALS AND METHODS

Semi structured interviews were conducted with adults who recently had rehabilitation for a chronic health condition in a hospital or community setting. Banja's definition of rehabilitation (personally fulfilling, socially meaningful and functionally effective) informed the enquiry and interpretation of the findings. Thematic analysis was used to categorise the data into codes and themes.

RESULTS

16 people (40-84 years, 69% male, n = 11) participated in individual telephone-interviews, describing their perspectives on what mattered to them about rehabilitation. The themes generated from the data suggested that participants focused on important social, functional and personal outcomes, but also required two fundamental features in their rehabilitation, namely a personalised and relational experience and a clear understanding of their own progress delivered in a way that is meaningful to them.

CONCLUSIONS

People who undertake rehabilitation express diverse expectations when assessing their outcomes and progress, although common elements could be identified. Participants valued a number of key features about the delivery and evaluation of their rehabilitation. These features revolved around the personalisation of the process and having clarity about progress.Implications for rehabilitationRehabilitation therapists should encourage ongoing personalised discussions about progress to promote clear and shared understanding of what clients and therapists expect, alongside the use of current available measures.Rehabilitation therapists should consider providing opportunities for participants to self-reflect about their experiences and modify their goals based on personal progress and deeper understanding of their circumstances.Rehabilitation therapists should consider assessing the extent to which the individual feels satisfied with and capable of achieving these outcomes before departing from the rehabilitation service.Overall, rehabilitation teams should think about spending more time with the patient to prioritise and understand their individual goals and values.

Patient Preferences for Attributes that Characterise Alternative Models of Care in Gastroenterology: A Discrete Choice Experiment

OBJECTIVES

Increased demand for gastroenterology services has resulted in growing waitlists, with patients at risk of exceeding clinically recommended wait-times. Given limited healthcare resources, expanded scope models of care are an option to help address this demand, but little is known about patient preferences for these models of care.

METHODS

Low-risk gastroenterology patients (n = 1198) referred to an outpatient tertiary service in Australia over a 2-year period were invited to participate in an unlabelled discrete choice experiment with seven attributes: primary healthcare professional, wait-time, continuity of care, consultation length, manner and communication skills, reassurance, and cost. These were developed using qualitative research, literature review, and stakeholders' experiences. A d-efficient fractional design was used to construct four blocks of 12 choice sets, with two alternatives. A 13th choice set was included as a data and quality check. Latent class and mixed logit regression were used for analysis. The resulting preference parameters for individual attributes were then used to calculate willingness to pay and willingness to wait.

RESULTS

Overall, the model based on the 347 respondents suggested no strong preference for professional background. All other attributes were statistically significant predictors of preference (p < 0.001), with respondents willing to make significant trade-offs (time and cost) before accepting deterioration in attributes. There was strong emphasis on manner and communication skills, with a clinician who listens and provides good explanations overwhelmingly the most important attribute. Latent class analysis identified two patient segments who differed in their preference for the primary treating healthcare professional (doctor or dietitian) based on exposure to either traditional medical or non-medical professional role substitution model.

CONCLUSIONS

Patients have strong but varied preferences for gastroenterology services based on whether they have been exposed to expanded scope models of care. Design and implementation of new models of care need to consider strategies to overcome any perceived loss in utility or deterioration in healthcare quality for those unfamiliar with professional role substitution.

What is 'successful rehabilitation'? A multi-stakeholder nominal group technique study to inform rehabilitation outcome measurement

OBJECTIVE

To explore how stakeholders in rehabilitation conceptualise 'successful rehabilitation', to inform the development of a minimum dataset and core outcomes for sub-acute rehabilitation.

DESIGN

Qualitative consensus study using the nominal group technique.

SETTING

Online focus groups.

PARTICIPANTS

Consumer representatives (n = 7), clinicians (n = 15), and health service managers (n = 9) from Australia.

INTERVENTION

Participants responded to the question, 'What does successful rehabilitation look like?'. Following item generation, they prioritised their top five responses, allocating 100 points across items to denote relative importance.

MAIN MEASURES

Prioritised responses were analysed across stakeholder groups using qualitative content analysis.

RESULTS

Ten themes were identified. 'Successful rehabilitation' is: (1) person and family centred; (2) effective; (3) inter-professional; (4) accessible; (5) goal oriented with meaningful outcomes; (6) connected to the continuum of care; (7) evidence-based and supportive of innovation and research; (8) appropriately funded and skilled; (9) satisfying and engaging; and (10) safe.

CONCLUSIONS

Stakeholder-defined 'successful rehabilitation' aligned with principles of value-based care and evidence-based rehabilitation. Provision and receipt of person and family centred care was the most important indicator of successful rehabilitation. Measures of success should include indicators of structure, process, outcome, and experience, and be conducted at multiple time-points.

PREBIOTIC: a study protocol of a randomised controlled trial to assess prebiotic supplementation in kidney transplant recipients for preventing infections and gastrointestinal upset - a feasibility study

BACKGROUND

Modulating the microbiota in the large intestine of kidney transplant recipients through prebiotic supplementation may prevent infectious complications from occurring. To date, there have been no interventional trials which have investigated this novel treatment in kidney transplantation. The aim of PREBIOTIC is to assess the feasibility of performing a randomised controlled trial of prebiotics in reducing infections and gastrointestinal symptoms in kidney transplant recipients.

METHODS

Sixty kidney transplant patients will be recruited to a double-blind, placebo-controlled, randomised feasibility trial. Patients will be provided with prebiotic therapy or placebo for 4 to 6 weeks. Outcomes will include recruitment, adherence, tolerance, retention, laboratory parameters (including serum indoxyl sulphate, ρ-cresyl sulphate and stool collection), patients' self-assessed quality of life, gastrointestinal symptoms and clinical outcomes.

DISCUSSION

This trial will assess the feasibility of prebiotic supplementation in kidney transplant recipients. Prebiotics not only may alter the gut microbiota and their inherent metabolism and production of uraemic toxins but also may prevent infections from occurring in kidney transplant recipients.

TRIAL REGISTRATION

Australian New Zealand Clinical Trials Registry number ACTRN12618001057279p. The date of registration was 25th June 2018, https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=375370&isReview=true .

Consumers' Perspectives and Experiences of Prebiotics and Probiotics for Gut Health in Chronic Kidney Disease

OBJECTIVES

Nutrition supplementation, including prebiotics and probiotics, is a therapeutic strategy for modulating the gut microbiome in chronic kidney disease (CKD). However, the acceptability of gut-targeted supplements in this population remains largely unexplored. This study aims to describe the perceptions of nutrition supplementation, and the acceptability and experiences of pre- and probiotics in adults with Stage 3-4 CKD.

DESIGN AND METHODS

Semi-structured interview study of adults with Stage 3-4 CKD (n = 30), aged 41-80 (mean 68) years, who completed a 12-month prebiotic and probiotic intervention or placebo, were interviewed between January and March 2019. Interviews were transcribed verbatim and analyzed thematically.

RESULTS

Five themes were identified: integrating and sustaining routine supplementation (flexibility in prescription of prebiotics and probiotics, fitting in with regular routines); striving for health benefits (hoping to improve kidney health, hoping to improve general health, confirming health benefits); facilitating pre- and probiotic supplementation (perceiving pre- and probiotics as safe, side-effects from taking pre- and probiotics); empowering knowledge (valuing the opportunity to increase knowledge of gut health); and considerations for future use (questioning credibility of health claims, average palatability of prebiotic powder, cost concerns).

CONCLUSIONS

Adults with Stage 3-4 CKD found pre- and probiotic supplements to be acceptable and complementary gut-targeted supplements. Individual preferences for nutrition supplementation should be considered alongside health knowledge to enhance uptake and adherence in practice.

Event boundaries structure the contents of long-term memory in younger and older adults

Event boundaries impose structure on how events are stored in long-term memory. Research with young adults has shown that associations within events are stronger than those that cross event boundaries. Recently, this effect was observed in both young and old adults using movie stimuli (Davis, Chemnitz, et al., 2021). Here, we test whether this effect extends to written narratives. Young and old participants read a series of narratives that were interspersed with temporal shifts in the storyline meant to elicit the perception of an event boundary. Later, participants were cued with sentences and were asked to recall the sentence that immediately followed. We expected participants would have worse memory when a cue and correct answer flanked a boundary than when it did not. In Experiment 1, we found that despite older adults' lower performance overall, both age groups had lower accuracy for cues that flanked a boundary, compared to cues that elicited a response from within the same event. Experiment 2 replicated the results from Experiment 1. Our results support past work that did not find age differences in event perception and demonstrate that older and younger adults may store events similarly in long-term memory.

Effectiveness of dietary interventions delivered by digital health to adults with chronic conditions: Systematic review and meta-analysis

BACKGROUND

Digital health interventions may facilitate management of chronic conditions; however, no reviews have systematically assessed the effectiveness of dietary interventions delivered by digital health platforms for improving dietary intake and clinical outcomes for adults with diet-related chronic conditions.

METHODS

Databases CINAHL, CENTRAL, Embase and MEDLINE were searched from inception to April 2021 to identify controlled trials for dietary education delivered by digital health (mobile or electronic health) to adults with diet-related chronic conditions. Random effects analysis was performed for diet quality, food groups, nutrients and clinical outcomes. Screening, data extraction and quality checking were completed in duplicate.

RESULTS

Thirty-nine studies were included involving 7333 participants. Significant changes were found for Mediterranean diet adherence score (standardised mean difference [SMD] = 0.79; 95% confidence interval [CI] = 0.18 to 1.40), overall fruit and vegetable intake (mean difference [MD]: 0.63 serves/day; 95% CI = 0.27-0.98), fruit intake alone (MD = 0.58 serves/day; 95% CI = 0.39 to 0.77) and sodium intake (SMD = -0.22; 95% CI = -0.44 to -0.01). Improvements were also found for waist circumference [MD = -2.24 centimetres; 95% CI = -4.14 to -0.33], body weight (MD = -1.94 kg; 95% CI = -2.63 to -1.24) and haemoglobin A1c (MD = -0.17%; 95% CI = -0.29 to -0.04). Validity of digital assessment tools to measure dietary intake were not reported. The quality of evidence was considered to have low to moderate certainty.

CONCLUSIONS

Modest improvements in diet and clinical outcomes may result from intervention via digital health for those with diet-related chronic conditions. However, additional robust trials with better reporting of digital dietary assessment tools are needed to support implementation within clinical practice.

Interventions for improving health literacy in people with chronic kidney disease

BACKGROUND

Low health literacy affects 25% of people with chronic kidney disease (CKD) and is associated with increased morbidity and death. Improving health literacy is a recognised priority, but effective interventions are not clear.

OBJECTIVES

This review looked the benefits and harms of interventions for improving health literacy in people with CKD.

SEARCH METHODS

We searched the Cochrane Kidney and Transplant Register of Studies up to 12 July 2022 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Register (ICTRP) Search Portal and ClinicalTrials.gov. We also searched MEDLINE (OVID) and EMBASE (OVID) for non-randomised studies.

SELECTION CRITERIA

We included randomised controlled trials (RCTs) and non-randomised studies that assessed interventions aimed at improving health literacy in people with CKD.

DATA COLLECTION AND ANALYSIS

Two authors independently assessed studies for eligibility and performed risk of bias analysis. We classified studies as either interventions aimed at improving aspects of health literacy or interventions targeting a population of people with poor health literacy. The interventions were further sub-classified in terms of the type of intervention (educational, self-management training, or educational with self-management training). Results were expressed as mean difference (MD) or standardised mean difference (SMD) with 95% confidence intervals (CI) for continuous outcomes and risk ratios (RR) with 95% CI for dichotomous outcomes.

MAIN RESULTS

We identified 120 studies (21,149 participants) which aimed to improve health literacy. There were 107 RCTs and 13 non-randomised studies. No studies targeted low literacy populations. For the RCTs, selection bias was low or unclear in 94% of studies, performance bias was high in 86% of studies, detection bias was high in 86% of studies reporting subjective outcomes and low in 93% of studies reporting objective outcomes. Attrition and other biases were low or unclear in 86% and 78% of studies, respectively. Compared to usual care, low certainty evidence showed educational interventions may increase kidney-related knowledge (14 RCTs, 2632 participants: SMD 0.99, 95% CI 0.69 to 1.32; I² = 94%). Data for self-care, self-efficacy, quality of life (QoL), death, estimated glomerular filtration rate (eGFR) and hospitalisations could not be pooled or was not reported. Compared to usual care, low-certainty evidence showed self-management interventions may improve self-efficacy (5 RCTs, 417 participants: SMD 0.58, 95% CI 0.13 to 1.03; I² = 74%) and QoL physical component score (3 RCTs, 131 participants: MD 4.02, 95% CI 1.09 to 6.94; I² = 0%). There was moderate-certainty evidence that self-management interventions probably did not slow the decline in eGFR after one year (3 RCTs, 855 participants: MD 1.53 mL/min/1.73 m², 95% CI -1.41 to 4.46; I² = 33%). Data for knowledge, self-care behaviour, death and hospitalisations could not be pooled or was not reported. Compared to usual care, low-certainty evidence showed educational with self-management interventions may increase knowledge (15 RCTs, 2185 participants: SMD 0.65, 95% CI 0.36 to 0.93; I² = 90%), improve self-care behaviour scores (4 RCTs, 913 participants: SMD 0.91, 95% CI 0.00 to 1.82; I² =97%), self-efficacy (8 RCTs, 687 participants: SMD 0.50, 95% CI 0.10 to 0.89; I² = 82%), improve QoL physical component score (3 RCTs, 2771 participants: MD 2.56, 95% CI 1.73 to 3.38; I² = 0%) and may make little or no difference to slowing the decline of eGFR (4 RCTs, 618 participants: MD 4.28 mL/min/1.73 m², 95% CI -0.03 to 8.85; I² = 43%). Moderate-certainty evidence shows educational with self-management interventions probably decreases the risk of death (any cause) (4 RCTs, 2801 participants: RR 0.73, 95% CI 0.53 to 1.02; I² = 0%). Data for hospitalisation could not be pooled.

AUTHORS' CONCLUSIONS

Interventions to improve aspects of health literacy are a very broad category, including educational interventions, self-management interventions and educational with self-management interventions. Overall, this type of health literacy intervention is probably beneficial in this cohort however, due to methodological limitations and high heterogeneity in interventions and outcomes, the evidence is of low certainty.

Role substitution of specialist medical doctors with allied-health professionals: A qualitative exploration of patients' experiences and perceptions of healthcare quality

RATIONALE, AIMS AND OBJECTIVES

The need to improve patient access, offer increased choice and improve patient outcomes whilst maintaining safe care is driving the healthcare workforce to evolve. Extending allied-health scope of practice by integrating models of care that traverse traditional professional boundaries has been one such strategy. This study explored patients' acceptance and experiences of four allied-health extended scope of practice models of care. The study aimed to identify dimensions of quality healthcare that matter to patients and describe the extent to which they perceived these to be delivered in allied-health professional role substitution models of care.

METHODS

Qualitative methodology using semistructured interviews were conducted with 29 participants who had received treatment from an allied-health professional role substitution model. This was a purposeful sample with recruitment across genders, ages and social backgrounds. Interviews were audio recorded, transcribed and independently analysed by two researchers using a thematic approach.

RESULTS

Six major themes were identified which revealed dimensions of healthcare quality that were important to participants: Balancing expectations and overall satisfaction; Timely access and convenience; Continuity, integration and coordination of care; Clinician expert skills, professional manner and interpersonal attributes; Financial considerations when receiving care; and Perceptions of treatment outcomes.

CONCLUSIONS

This study highlights participants' views and experiences of allied-health extended scope of practice models of care. Service delivery models were an acceptable alternative to traditional specialist medical care with the perception that extended scope of practice models of care delivered many aspects of quality care that mattered to patients.

Digital health experiences reported in chronic disease management: An umbrella review of qualitative studies

Introduction

Digital health interventions can be useful for the management of chronic disease. The aim of this study was to draw out universal themes to understand how people with chronic conditions experience digital health services, programmes, and interventions, and consequently, better inform future digital health delivery.

Methods

An umbrella review was conducted to identify qualitative systematic reviews reporting digital health experiences in chronic disease. Themes for each included review were independently extracted and appraised by two review authors. Data analysis was conducted using the Constant Comparative method.

Results

Twenty-two systematic reviews containing 240 individual studies were selected for inclusion. Mental health was the most common condition ( n = 5, 23%), followed by cancer ( n = 4, 18%) or a combination of chronic diseases ( n = 4, 18%). Common themes across the conditions were categorised under nine headings, including: (i) participation and engagement (strong usability and engagement vs reluctance to use digital health when these concepts are ignored), (ii) trust, confidence, and competence (users felt reassured, however technology illiteracy led to a perceived lack of control), (iii) perceived value, perceived effectiveness, transaction cost (gained from efficient aspects of digital health, but also lost through the burden of keeping up with data entry), (iv) perceived care quality (requiring tailoring and fostering motivation), (v) barriers and threats (related to technology risks and challenges), (vi) health outcomes (improved self-management capability), (vii) relationships (improved participant-health professional interaction, but interpersonal aspects such as face-to-face contact were lacking), (viii) unplanned benefit (where digital health often led to users feeling more empowered in their health journey), and (ix) diversity of experiences (reflecting ambivalence of experiences and discipline-specific experiences).

Conclusion

People with chronic conditions perceive digital health provides feelings of reassurance and the ability to self-manage their condition. While there is ambivalence across the participant experiences reported within the major themes, this umbrella review has outlined a need for future interventions that are user-friendly, flexible, and tailored to individual users. This will be best achieved through a co-design model, with the consumer actively involved in the planning and design of digital health products and services.

Facilitators and barriers to centre- and home-based exercise training in breast cancer patients - a swiss tertiary centre experience

Funding Acknowledgements

Type of funding sources: Public grant(s) – National budget only. Main funding source(s): Swiss Cancer Research

Background

Exercise is an effective therapy for cancer patients to reduce fatigue and to improve health-related quality of life and physical function. Yet, cancer patients often do not meet physical activity guidelines.

Purpose

To understand why recommendations are not met, we aimed at identifying facilitators and barriers to supervised, centre-based exercise within a cardio-oncologic rehabilitation (CORE) programme and to unsupervised, home-based exercise as well as strategies used to manage these barriers.

Methods

Breast cancer patients who had completed a CORE programme at a Swiss tertiary centre were recruited. Semi-structured interviews were conducted with subsequent thematic analysis.

Results

Of 37 eligible breast cancer patients, 19 patients (mean age 48.9±9.7 years) participated to our invitation. Facilitators for centre-based exercise were social support, committedness and provision of structured exercise. Barriers towards centre-based exercise included physical and environmental barriers, while psychological barriers were reported predominantly for home-based exercise. Strategies to manage barriers included the adaptation of training circumstances, behaviour change strategies and strategies to deal with side effects.

Conclusions

Our results support the importance of providing CORE programmes and suggest that a special focus should be directed at the transition from supervised to self-organized exercise in order to enhance long-term exercise participation.

Measuring performance of professional role substitution models of care against traditional medical care in healthcare-A systematic review

OBJECTIVES

To identify outcome measures used to evaluate performance of healthcare professional role substitution against usual medical doctor or specialist medical doctor care to facilitate our understanding of the adequacy of these measures in assessing quality of healthcare delivery.

METHODS

Using a systematic approach, we searched Medline, Cochrane Central Register of Controlled Trials, Embase, CINAHL, and Web of Science from database inception until May 2020. Studies that presented original comparative data on at least one outcome measure were included following screening by two authors. Findings were synthesized, and outcome measures classified into six domains which included: effectiveness, safety, appropriateness, access, continuity of care, efficiency, and sustainability which were informed by the Institute of Medicine dimensions of healthcare quality, the Australian health performance framework, and Levesque and Sutherland's integrated performance measurement framework.

RESULTS

One thirty five articles met the inclusion criteria, describing 58 separate outcome measures. Safety of role substitution models of care was assessed in 80 studies, effectiveness (n = 60), appropriateness (n = 40), access (n = 36), continuity of care (n = 6), efficiency and productivity (n = 45). Two-thirds of the studies that assessed productivity and efficiency performed an economic analysis (n = 27). The quality and rigour of evaluations varied substantially across studies, with two-thirds of all studies measuring and reporting outcomes from only one or two of these domains.

CONCLUSIONS

There are a growing number of studies measuring the performance of non-medical healthcare professional substitution roles. Few have been subject to robust evaluations, and there is limited evidence on the scientific rigour and adequacy of outcomes measured. A systematic and coordinated approach is required to support healthcare settings in assessing the value of non-medical role substitution healthcare delivery models.

U-DECIDE: Utilising technology for Diet & Exercise Change In complex chronic conditions across Diverse Environments: Protocol for a Randomised Controlled Trial (Preprint)

Background

The metabolic syndrome is common across many complex chronic disease groups. Advances in health technology have provided opportunities to support lifestyle interventions.

Objective

The purpose of this study is to test the feasibility of a health technology-assisted lifestyle intervention in a patient-led model of care.

Methods

The study is a single-center, 26-week, randomized controlled trial. The setting is specialist kidney and liver disease clinics at a large Australian tertiary hospital. The participants will be adults with a complex chronic condition who are referred for dietetic assessment and display at least one feature of the metabolic syndrome. All participants will receive an individualized assessment and advice on diet quality from a dietitian, a wearable activity monitor, and standard care. Participants randomized to the intervention group will receive access to a suite of health technologies from which to choose, including common base components (text messages) and optional components (online and mobile app–based nutrition information, an online home exercise program, and group-based videoconferencing). Exposure to the optional aspects of the intervention will be patient-led, with participants choosing their preferred level of engagement. The primary outcome will be the feasibility of delivering the program, determined by safety, recruitment rate, retention, exposure uptake, and telehealth adherence. Secondary outcomes will be clinical effectiveness, patient-led goal attainment, treatment fidelity, exposure demand, and participant perceptions. Primary outcome data will be assessed descriptively and secondary outcomes will be assessed using an analysis of covariance. This study will provide evidence on the feasibility of the intervention in a tertiary setting for patients with complex chronic disease exhibiting features of the metabolic syndrome.

Results

The study was funded in 2019. Enrollment has commenced and is expected to be completed by June 2022. Data collection and follow up are expected to be completed by December 2022. Results from the analyses based on primary outcomes are expected to be submitted for publication by June 2023.

Conclusions

The study will test the implementation of a health technology–assisted lifestyle intervention in a tertiary outpatient setting for a diverse group of patients with complex chronic conditions. It is novel in that it embeds patient choice into intervention exposure and will inform health service decision-makers in regards to the feasibility of scale and spread of technology-assisted access to care for a broader reach of specialist services.

Trial Registration

Australian New Zealand Clinical Trial Registry ACTRN12620001282976; https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=378337

International Registered Report Identifier (IRRID)

DERR1-10.2196/37556

Behaviour change theories and techniques used to inform nutrition interventions for adults undergoing bariatric surgery: A systematic review

Aim

This systematic review aimed to describe behaviour change theories and techniques used to inform nutrition interventions for adults undergoing bariatric surgery.

Methods

A systematic search was conducted across PubMed, PsycInfo, CENTRAL, EMBASE and CINAHL from inception until 09 March 2021. Eligible studies were randomised controlled trials involving nutrition interventions performed by a healthcare provider, to adults that were waitlisted or had undergone bariatric surgery and received a nutrition intervention explicitly informed by one or more behaviour change theories or behaviour change techniques. Screening was conducted independently by two authors. Behaviour change techniques were examined using the behaviour change technique taxonomy version one which includes 93 hierarchical techniques clustered into 16 groups. Quality of included studies was assessed using Cochrane risk of bias 2.0.

Results

Twenty‐one publications were included, involving 15 studies and 14 interventions, with 1495 participants. Bias was low or had some concerns. Two interventions reported using behaviour change theories (transtheoretical model and self‐determination theory). Thirteen behaviour change technique taxonomy groupings and 29 techniques were reported across 14 interventions. Common techniques included ‘1.2 Problem solving’ (n = 9 studies), ‘3.1 Social support (unspecified)’ (n = 9 studies), ‘1.1 Goal setting (behaviour)’ (n = 6 studies) and ‘2.3 Self‐monitoring of behaviour’ (n =‐ 6 studies).

Conclusion

While behaviour change techniques have been included, behaviour change theory is not consistently reported and/or adopted to inform nutrition interventions for adults undergoing bariatric surgery. Integrating behaviour change theory and techniques in nutrition interventions is important for researchers and bariatric surgery teams, including dietitians, to effectively target behaviours for this population.

Technology-supported models of nutrition care: Perspectives of health service providers

Objective

To determine the perspectives to the adoption, scale-up, sustainability, and spread of technology-supported models of nutrition care, in hospital and ambulatory care settings.

Methods

Thirty-one health service providers participated in individual semi-structured interviews from a tertiary health service in Queensland, Australia. The Non-adoption, Abandonment, and challenges to the Scale up, Spread and Sustainability (NASSS) framework, designed to evaluate technology-supported models’ success, informed the qualitative design.

Results

Key findings were that technology-supported models of care could benefit many chronic condition patient groups; dietitians are well suited to adopting this technology: and the value proposition in creating efficiency gains in the health service. However, challenges of transitioning and sustainability were identified. Perceived enablers for technology supported models of care included: previous intentions for technology supported models of care prior to the 2019 novel coronavirus pandemic; opportunity for clinicians to complete higher valued tasks; and integration of technology systems and assisted staff roles. Perceived barriers included: suitability for patients is dependent on experience and ability to use technology, varied confidence by clinicians when conducting clinical assessments; high investment required for set up and ongoing maintenance; and patients desire for adopting face-to-face care over technology. Health service providers perceived that embedding and adapting such models requires maintenance of high-quality service and continued research.

Conclusions

Health service providers recognize adopting, scaling, and sustaining technology-supported models of nutrition care benefits patients, clinicians, and health services in general. Robust clinical trials and health service evaluations of technology-supported models of care, across practice settings are now needed.

Diet Quality and Protein-Bound Uraemic Toxins: Investigation of Novel Risk Factors and the Role of Microbiome in Chronic Kidney Disease

OBJECTIVE

This study aims to explore the associations between diet quality, uraemic toxins, and gastrointestinal microbiota in the chronic kidney disease (CKD) population.

METHODS

This is a baseline cross-sectional study of adults with CKD participating in a randomized controlled trial of prebiotic and probiotic supplementation. Dietary intake was measured using a seven-day diet history method, administered by a specialist dietitian. Diet quality was assessed using plant-based diet index (PDI) (overall PDI, healthy PDI, and unhealthy PDI), food group analysis, protein intake, fiber intake, and dietary protein-to-fiber ratio. Serum uraemic toxins (free and total; indoxyl sulfate and p-cresyl sulfate) were determined by ultraperformance liquid chromatography. Gastrointestinal microbiota richness, diversity, composition, and functional capacity were analyzed via metagenomic sequencing.

RESULTS

Sixty-eight adults [median age: 70 (interquartile range: 58-75) years, 66% male] with an estimated glomerular filtration rate of 34 ± 11 mL/min/1.73 m² were included, with 40 participants completing the optional fecal substudy. Dietary fiber intake was associated with lower levels of total indoxyl sulfate, whereas the healthy plant-based diet index was associated with lower levels of free p-cresyl sulfate. A higher protein-to-fiber ratio was associated with an increased relative abundance of unclassified members of order Oscillospirales. Intake of vegetables and whole grains was correlated with Subdoligranulum formicile, whereas an unclassified Prevotella species was correlated with potatoes and food items considered discretionary, including sweet drinks, sweet desserts, and animal fats.

CONCLUSIONS

Diet quality may influence uraemic toxin generation and gut microbiota diversity, composition, and function in adults with CKD. Well-designed dietary intervention studies targeting the production of uraemic toxins and exploring the impact on gut microbiome are warranted in the CKD population.

A Qualitative Study of Clinician Barriers and Enablers to Implementing the Mediterranean Dietary Pattern with Kidney and Liver Transplant Recipients

INTRODUCTION

Solid organ transplant recipients experience greater cardiometabolic risk than the general population. Following a Mediterranean dietary pattern has been shown to reduce cardiometabolic risk. This study aimed to assess multidisciplinary clinician perspectives of routine nutrition care for kidney and liver transplant recipients and barriers and enablers to implementation of the Mediterranean dietary pattern.

METHODS

Semi-structured individual interviews were conducted with clinicians in a metropolitan health service at tertiary/quaternary transplant centres involved in longer-term management of kidney and liver transplants recipients. Audio-recorded interviews were transcribed verbatim and analysed using thematic content analysis.

FINDINGS

Nineteen clinicians (9 medical officers, 5 dietitians, 3 nurses and 2 other allied health professionals) were interviewed. Four themes with 11 subthemes were identified: the Mediterranean dietary pattern is not part of routine care (there are competing clinical priorities; healthy eating principles aligned with but not the full dietary pattern are recommended); variation in knowledge and acceptance of this dietary approach (variances in information sources and degree of knowledge of Mediterranean dietary pattern clinical evidence); nutrition advice is influenced by service delivery and culture (there is lack of consistent nutrition advice; limited consultation time; and reliance on existing patient education resources); and patient-centred care influences decisions on nutrition advice (clinicians do not know how to recommend this dietary pattern in a patient-centred manner).

DISCUSSION

The Mediterranean dietary pattern is not considered part of routine post-transplant nutrition care. To be implemented in these services intervention strategies which address the identified barriers and potential enablers need to be considered.

How cost-effective is nutrition care delivered in primary healthcare settings? A systematic review of trial-based economic evaluations

CONTEXT

Nutrition care is an effective lifestyle intervention for the treatment and prevention of many noncommunicable diseases. Primary care is a high-value setting in which to provide nutrition care.

OBJECTIVE

The objective of this review was to evaluate the cost-effectiveness of nutrition care interventions provided in primary care settings.

DATA SOURCES

Medline, Embase, the Cumulative Index to Nursing and Allied Health Literature (CINAHL), the Cochrane Central Register of Controlled Trials, EconLit, and the National Health Service Economic Evaluation Database (NHS EED) were searched from inception to May 2021.

DATA EXTRACTION

Data extraction was guided by the Consolidated Health Economic Evaluation Reporting Standards (CHEERS) reporting guidelines. Randomized trials of nutrition interventions in primary care settings were included in the analysis if incremental cost-effectiveness ratios were reported. The main outcome variable incremental cost-effectiveness ratios (ICERs) and reported interpretations were used to categorize interventions by the cost-effectiveness plane quadrant.

RESULTS

Of 6837 articles identified, 10 were included (representing 9 studies). Eight of the 9 included studies found nutrition care in primary care settings to be more costly and more effective than usual care . High study heterogeneity limited further conclusions.

CONCLUSION

Nutrition care in primary care settings is effective, though it requires investment; it should, therefore, be considered in primary care planning. Further studies are needed to evaluate the long-term cost-effectiveness of providing nutrition care in primary care settings.

SYSTEMATIC REVIEW REGISTRATION

PROSPERO registration no. CRD42020201146.

Standardised Outcome Reporting for the Nutrition Management of Complex Chronic Disease: A Rapid Review

Individuals with coexisting chronic diseases or with complex chronic disease are among the most challenging and costly patients to treat, placing a growing demand on healthcare systems. Recommending effective treatments, including nutrition interventions, relies on standardised outcome reporting from randomised controlled trials (RCTs) to enable data synthesis. This rapid review sought to determine how the scope and consistency of the outcomes reported by RCTs investigating nutrition interventions for the management of complex chronic disease compared to what is recommended by the core outcome sets (COS) for individual disease states. Peer-reviewed RCTs published between January 2010 and July 2020 were systematically sourced from PubMed, CINAHL and Embase, and COS were sourced from the International Consortium for Health Outcomes Measurements (ICHOM) and the Core Outcome Measures in Effectiveness Trials (COMET) database. A total of 45 RCTs (43 studies) and 7 COS were identified. Outcomes were extracted from both the RCTs and COS and were organised using COMET Taxonomy Core Areas. A total of 66 outcomes and 439 outcome measures were reported by the RCTs. The RCTs demonstrated extensive outcome heterogeneity, with only five outcomes (5/66, 8%) being reported with relative consistency (cited by ≥50% of publications). Furthermore, the scope of the outcomes reported by studies was limited, with a notable paucity of patient-reported outcomes. Poor agreement (25%) was observed between the outcomes reported in the RCTs and those recommended by the COS. This review urges greater uptake of the existing COS and the development of a COS for complex chronic disease to be considered so that evidence can be better synthesised regarding effective nutrition interventions.

Relationship Between Dietary Phosphate Intake and Biomarkers of Bone and Mineral Metabolism in Australian Adults With Chronic Kidney Disease

OBJECTIVE

Higher serum phosphate is associated with increased adverse outcomes including cardiovascular disease. Abnormalities of bone and mineral metabolism in chronic kidney disease (CKD), including higher serum phosphate, are important risk factors for increased cardiovascular disease. Associations between dietary phosphate intake and biochemical and cardiovascular parameters in non-dialysis CKD patients, however, have not been adequately studied. This study aimed to explore associations between phosphate intake and biomarkers of bone and mineral metabolism and intermediate cardiovascular markers in adults with stage 3-4 CKD.

DESIGN AND METHODS

One hundred thirty-two participants enrolled in the IMpact of Phosphate Reduction On Vascular End-points in Chronic Kidney Disease trial were invited to participate in this sub-study. At baseline, dietary phosphate intake and its source (animal, plant, or a mixture of animal and plant) were determined using a 7-day self-administered diet food record, and measurements were made of serum and urinary phosphate, serum calcium, parathyroid hormone, fibroblast growth factor-23, and the intermediate cardiovascular markers pulse wave velocity (PWV) and abdominal aortic calcification. The relationships between dietary phosphate intake and these bone metabolism and cardiovascular markers were explored using Pearson's correlation and linear regression. The effect of source of phosphate intake was analyzed using compositional data analysis.

RESULTS

Ninety participants (age 64 ± 12 years, 68% male, estimated glomerular filtration rate 26.6 ± 7.6 mL/min/1.73 m², daily phosphate intake 1,544 ± 347 mg) completed the study. Correlations among dietary phosphate intake and biochemical measures, PWV, and abdominal aortic calcification ranged from r = -0.13 to r = +0.13. Linear regression showed no association between dietary phosphate measurements and biochemical or cardiovascular parameters. Source of phosphate intake was associated with PWV (P = .01), but not with other biomarkers of bone and mineral metabolism. Higher PWV values were associated with higher intake of plant-based relative to animal-based phosphate (1.058 [1.020-1.098], P = .003).

CONCLUSION

Levels of total dietary phosphate intake measured by dietary food record show no statistically significant relationship with biochemical markers of bone and mineral metabolism or intermediate cardiovascular markers. Higher PWV levels associated with higher intake of plant-based relative to animal-based phosphate intake were an unexpected finding and further research is needed in this area.

Are eHealth interventions for adults who are scheduled for or have undergone bariatric surgery as effective as usual care? A systematic review

This systematic review aimed to evaluate the effect of eHealth-delivered interventions for adults who undergo bariatric surgery on postoperative weight loss, weight loss maintenance, eating psychopathology, quality of life, depression screening, and self-efficacy. Six electronic databases were searched, with 14 studies (across 17 reports) included, involving 1633 participants. With substantial heterogeneity, qualitative descriptions have been provided. Interventions were delivered via an online program or internet modules (n = 2), telephone (n = 2), text messages (n = 2), videoconferencing (n = 3), mobile application (n = 1), and audiovisual media (n = 1). Three studies included a combination, including internet modules and telephone (n = 1), wireless fidelity scales, emails, and telephone (n = 1), and a combination of online treatment, weekly emails, and access to a private Facebook group (n = 1). All the eHealth interventions, except for one, implemented behavior change techniques, including self-monitoring, problem solving, social support, goal setting, and shaping knowledge. Both eHealth intervention and control groups lost weight across the included studies, and eHealth was found to be as effective as or more effective than the control for weight loss. Two studies measured weight loss maintenance; both eHealth and control groups regained weight in the longer term. The interventions showed significant improvement on assessment measures for eating psychopathology. In conclusion, when bariatric surgery patients have limited or no access to healthcare teams or require additional support, eHealth may be a suitable option. Future studies implementing eHealth interventions would benefit from reporting intervention components as per the behavior change techniques taxonomy and further consideration of delivering eHealth in a stepped care approach would be beneficial.

Cost-effectiveness of a mobile phone text messaging program (KIDNEYTEXT) targeting dietary behaviours in people receiving haemodialysis

BACKGROUND

There is little information available to inform the cost-effectiveness of eHealth interventions in improving patient health outcomes. A trial-based economic evaluation was undertaken aiming to inform the feasibility of conducting a mobile phone text messaging programme targeting dietary behaviours in people receiving haemodialysis.

METHODS

A trial-based economic evaluation from a health system perspective of a 6-month pilot randomised controlled trial was undertaken. One hundred and thirty patients receiving haemodialysis from six dialysis units across Sydney, Australia, were enrolled into the KIDNEYTEXT study. Usual care (inperson dietary counselling) was compared with usual care plus three semi-personalised dietary mobile phone text messages per week over a 6-month period. The outcomes of this economic evaluation included: cost of intervention, cost-effectiveness and marginal effects on total costs.

RESULTS

The cost of developing and maintaining the KIDNEYTEXT intervention was US $110 per participant. Total costs were US $1418 higher in the usual care arm compared to the intervention arm. The incremental benefits for quality-adjusted life adjusted years were 0.01 [95% confidence interval (CI) = -0.03 to 0.06] and dietary adherence (i.e., adherent to three or more dietary guidelines at 6 months) being 0.04 (95% CI = -0.15 to 0.24). The largest component of total costs was related to unplanned admissions to hospital.

CONCLUSIONS

Mobile phone text messages targeting dietary behaviours may be cost saving, at the same time as maintaining similar or improved dietary behaviours. A larger trial with a longer follow-up time is warranted.

Incorporating digital platforms into nutritional care in chronic kidney disease

Digital health is increasingly recognized for its value to enhance patient care and clinical care processes. People with chronic kidney disease often find dietary self-management challenging. There is promising evidence that digital health interventions can support people with chronic kidney disease to self-manage their diet, by providing more frequent access to nutritional information and dietitians and by facilitating regular monitoring and feedback. There is some emerging evidence of the impact of digital interventions in chronic kidney disease; however, more research is needed to provide meaningful interpretation of how digital interventions can enhance current practice. Importantly, a number of factors need to be considered when designing, developing, implementing, and evaluating the impact of digital interventions. Consideration of the nutrition service and patients' needs, motivation and digital literacy, type of digital intervention, and the ability to embed the digital intervention into current care processes are critical. This paper overviews the current literature on digital health and self-management, factors to consider when embedding digital interventions and platforms into nutrition care and practical considerations for designing and implementing digital health interventions to enhance the nutritional care of people with chronic kidney disease.

Altered dietary salt intake for people with chronic kidney disease

BACKGROUND

Evidence indicates that reducing dietary salt may reduce the incidence of heart disease and delay decline in kidney function in people with chronic kidney disease (CKD). This is an update of a review first published in 2015.

OBJECTIVES

To evaluate the benefits and harms of altering dietary salt for adults with CKD.

SEARCH METHODS

We searched the Cochrane Kidney and Transplant Register of Studies up to 6 October 2020 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Register (ICTRP) Search Portal and ClinicalTrials.gov.

SELECTION CRITERIA

Randomised controlled trials comparing two or more levels of salt intake in adults with any stage of CKD.

DATA COLLECTION AND ANALYSIS

Two authors independently assessed studies for eligibility, conducted risk of bias evaluation and evaluated confidence in the evidence using GRADE. Results were summarised using random effects models as risk ratios (RR) for dichotomous outcomes or mean differences (MD) for continuous outcomes, with 95% confidence intervals (CI).

MAIN RESULTS

We included 21 studies (1197 randomised participants), 12 in the earlier stages of CKD (779 randomised participants), seven in dialysis (363 randomised participants) and two in post-transplant (55 randomised participants). Selection bias was low in seven studies, high in one and unclear in 13. Performance and detection biases were low in four studies, high in two, and unclear in 15. Attrition and reporting biases were low in 10 studies, high in three and unclear in eight. Because duration of the included studies was too short (1 to 36 weeks) to test the effect of salt restriction on endpoints such as death, cardiovascular events or CKD progression, changes in salt intake on blood pressure and other secondary risk factors were examined. Reducing salt by mean -73.51 mmol/day (95% CI -92.76 to -54.27), equivalent to 4.2 g or 1690 mg sodium/day, reduced systolic/diastolic blood pressure by -6.91/-3.91 mm Hg (95% CI -8.82 to -4.99/-4.80 to -3.02; 19 studies, 1405 participants; high certainty evidence). Albuminuria was reduced by 36% (95% CI 26 to 44) in six studies, five of which were carried out in people in the earlier stages of CKD (MD -0.44, 95% CI -0.58 to -0.30; 501 participants; high certainty evidence). The evidence is very uncertain about the effect of lower salt intake on weight, as the weight change observed (-1.32 kg, 95% CI -1.94 to -0.70; 12 studies, 759 participants) may have been due to fluid volume, lean tissue, or body fat. Lower salt intake may reduce extracellular fluid volume in the earlier stages of CKD (-0.87 L, 95% CI -1.17 to -0.58; 3 studies; 187 participants; low certainty evidence). The evidence is very uncertain about the effect of lower salt intake on reduction in antihypertensive dose (RR 2.45, 95% CI 0.98 to 6.08; 8 studies; 754 participants). Lower salt intake may lead to  symptomatic hypotension (RR 6.70, 95% CI 2.40 to 18.69; 6 studies; 678 participants; moderate certainty evidence). Data were sparse for other types of adverse events.

AUTHORS' CONCLUSIONS

We found high certainty evidence that salt reduction reduced blood pressure in people with CKD, and albuminuria in people with earlier stage CKD in the short-term. If such reductions could be maintained long-term, this effect may translate to clinically significant reductions in CKD progression and cardiovascular events. Research into the long-term effects of sodium-restricted diet for people with CKD is warranted.

MO590GUT HEALTH INTERVENTIONS IN CHRONIC KIDNEY DISEASE: ACCEPTABILITY AND FEASIBILITY OF OF SYNBIOTIC SUPPLEMENTATION

Background and Aims

Synbiotics, co-administered prebiotics and probiotics, have emerged over the last decade as an innocuous intervention targeting the microbial generation of the uraemic toxins, indoxyl sulphate (IS) and p-cresyl sulphate (PCS). However, most trials to date are of short duration (2-24 weeks). In order to inform translation into clinical practice, it is imperative to consider the efficacy of synbiotic supplementation as a long-term intervention. The aims of this study were to evaluate the feasibility and acceptability (including symptoms and adherence) of long-term synbiotic supplementation in adults with chronic kidney disease (CKD), as well as explore the perspectives of these patients on nutrition supplementation for gut health, including strategies to optimise adherence in practice.

Method

SYNERGY II was a double-blind randomised controlled trial in adults (&gt;18years) with stage 3-4 CKD over 12 months. The intervention comprised of daily prebiotic powder (2 x 10g/day resistant starch) and probiotic supplementation (single sachet of 6g/day multi strain 4.5x1011CFU) or placebo control (waxy maize powder and a sachet of maltodextrin). Adherence to nutrition supplementation was defined as participants consuming &gt;80% of the prescribed sachets/powder. Symptoms were monitored via Gastrointestinal Symptom Rating Scale (GSRS) and Bristol Stool Score (BSS). Semi-structured interviews were conducted in person or by telephone with a sample of 30 participants at the completion of the intervention. The interviews explored experiences and perspectives regarding frequencies, timing and difficulties experienced with each aspect of the intervention and overall perceptions of the intervention as a strategy to improve gut health.

Results

Sixty-eight participants [66% male, median age 70 (IQR 58-75) years] were consented and randomised to either intervention or control groups, with a mean estimated glomerular filtration rate of 34 ± 11 mL/min/1.73m2. A total of 56 participants (82%) completed the 12-month intervention with no differences in withdrawals between groups (p=0.6). One participant from each group withdrew at week 2, citing palatability of the study product as the reason for withdrawal. Overall adherence to study supplementation was excellent in both intervention and placebo groups [median intake 92.1% (85.9-95.2%) placebo versus 89.5% (84.4-94.5%) synbiotic; P=0.4)]. Overall, there was no significant change from baseline to end of study visit for mean BSS (3.6 ± 1.4 to 3.6 ± 1.4 placebo versus 3.6 ± 1.1 to 4.1 ± 1.2 synbiotic, P=0.13), mean bowel movements (1.3 ± 0.6 to 1.6 ± 0.9 placebo versus 1.3 ± 0.6 to 1.8 ± 1.0 synbiotic, P=0.70) or GSRS [1.3 (1.1 - 1.9) to 1.3 (1.1 - 1.5) placebo versus 1.1 (1.1 - 1.5) to 1.3 (1.1 - 1.5) synbiotic, P=0.83]. Acceptability components described by participants were appreciating convenience and improving health and well-being. Participants discussed the following feasibility components: integrating easily into lifestyle and social accountability. Tablets or capsules were the preferred supplement formulation with a probiotic drink made from a SCOBY (synbiotic culture of bacteria and yeast) the least preferred.

Conclusion

Among adults with stage 3-4 CKD, synbiotic supplementation is a well-tolerated and acceptable form of nutrition supplementation. People with CKD would prefer nutrition supplements to be formulated as a tablet or capsule, which is an important consideration when translating into clinical practice.

FC 082DIET QUALITY, PROTEIN-BOUND URAEMIC TOXINS AND GASTROINTESTINAL MICROBIOME IN CHRONIC KIDNEY DISEASE

Background and Aims

Individuals with chronic kidney disease (CKD) have significantly increased risk of cardiovascular mortality which is only partially explained by Framingham risk factors. There is a growing body of evidence linking the gut-derived uraemic toxins indoxyl sulphate (IS) and p-cresyl sulphate (PCS) with accelerated kidney disease progression and cardiovascular burden in CKD. Whilst the effect of specific nutrients on uraemic toxin generation has been explored, few studies have characterised the impact of diet quality on the gastrointestinal microbiome in the CKD population. This study aims to explore the associations between dietary quality, protein-bound uraemic toxins and gastrointestinal microbiome in adults with CKD.

Method

This was a baseline cross-sectional study of adults with stage 3 to 4 CKD who were enrolled in a randomised controlled trial of prebiotic and probiotic supplementation. Habitual dietary intake was measured using a 7-day diet history method by a specialist Dietitian. Diet quality was assessed using food group analysis; protein intake, fibre intake, dietary protein:fibre ratio and adherence to plant-based diet index (PDI) (overall PDI, healthy PDI, unhealthy PDI). Serum uraemic toxins (free and total; IS and PCS) were determined by ultra-performance liquid chromatography. Metagenomic sequencing was used to determine gastrointestinal microbiota richness, diversity, composition and functional capacity.

Results

There were 68 CKD patients [66% male, median age 70 (IQR 58-75) years] with a mean estimated glomerular filtration rate of 34 ± 11 mL/min/1.73m2. Greater adherence to a hPDI was associated with lower levels of free PCS [-0.021 µmol/L (95% CI -0.042 to -0.001)], while a higher intake of dietary fibre intake was associated with lower levels of free IS [-0.022 µmol/L (95% CI -0.043 to -0.001)]. Compositionally, the gastrointestinal microbiota of this cohort was dominated by members of the phyla Firmicutes and Bacteroidetes. Supervised analysis at the species level demonstrated that 21% of variance in gastrointestinal microbial composition could be attributed to protein:fibre ratio (F=1.27, p=0.04). Further, a higher protein:fibre ratio was associated with an increased relative abundance of unclassified members of order Oscillospirales. Subdoligranulum formicile was correlated with dietary intake of vegetables and wholegrains while an unclassified Prevotella species was correlated with food items considered discretionary including sweet drinks, sweet desserts, animal fats and potatoes.

Conclusion

The study suggests that habitual diets that are higher in fibre and plant-based foods may positively influence uraemic toxin levels and gut microbiota diversity and composition in adults with CKD. These findings provide rationale for well-designed dietary intervention studies targeting the production of uraemic toxins and exploring the impact on gut microbiome in the CKD population.

Patients' experiences and perspectives of a mobile phone text messaging intervention to improve dietary behaviours in haemodialysis

AIM

Dietary requirements for people on haemodialysis are complex and often poorly adhered to. Mobile phone text messaging offers a simple strategy to enhance current nutritional care. KIDNEYTEXT was a 6-month pilot randomised controlled trial that evaluated the feasibility and impact of mobile phone text messages to alter participants' dietary behaviours. The aim of this study was to elicit the perspectives of people on haemodialysis regarding acceptability of mobile phone text messages targeting dietary behaviours.

METHODS

Semi-structured interviews were conducted with participants in the intervention arm of the KIDNEYTEXT study. Participants were purposively sampled and interviews were conducted in-person or over the phone. Transcripts were thematically analysed using principles of grounded theory.

RESULTS

Interviews were conducted with 25 participants. Four major themes were identified: building awareness (reinforcement of information, simple and comprehensible, guiding choices, accessible information enhancing motivation, gaining skills in management), valuing care (boosting self-esteem, in-person care bolstered by reminders), activating change (adjusting lifestyle, gaining control of electrolytes and fluid, striving to improve overall health), waning attention and motivation (lack of personalisation limiting change, maintaining the status quo, reverting back to old habits).

CONCLUSIONS

Participants perceived that the KIDNEYTEXT intervention enabled participants to build on their knowledge through the dissemination of simple and actionable content. Participants appreciated frequent reminders of how to improve their diet and felt that this increased contact motivated them to alter some dietary behaviours. Future trials should consider strategies to enhance personalisation to further motivate dietary change.

Interventions for weight loss in people with chronic kidney disease who are overweight or obese

BACKGROUND

Obesity and chronic kidney disease (CKD) are highly prevalent worldwide and result in substantial health care costs. Obesity is a predictor of incident CKD and progression to kidney failure. Whether weight loss interventions are safe and effective to impact on disease progression and clinical outcomes, such as death remains unclear.

OBJECTIVES

This review aimed to evaluate the safety and efficacy of intentional weight loss interventions in overweight and obese adults with CKD; including those with end-stage kidney disease (ESKD) being treated with dialysis, kidney transplantation, or supportive care.

SEARCH METHODS

We searched the Cochrane Kidney and Transplant Register of Studies up to 14 December 2020 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, EMBASE, conference proceedings, the International Clinical Trials Register (ICTRP) Search Portal and ClinicalTrials.gov.

SELECTION CRITERIA

Randomised controlled trials (RCTs) and quasi-RCTs of more than four weeks duration, reporting on intentional weight loss interventions, in individuals with any stage of CKD, designed to promote weight loss as one of their primary stated goals, in any health care setting.

DATA COLLECTION AND ANALYSIS

Two authors independently assessed study eligibility and extracted data. We applied the Cochrane 'Risk of Bias' tool and used the GRADE process to assess the certainty of evidence. We estimated treatment effects using random-effects meta-analysis. Results were expressed as risk ratios (RR) for dichotomous outcomes together with 95% confidence intervals (CI) or mean differences (MD) or standardised mean difference (SMD) for continuous outcomes or in descriptive format when meta-analysis was not possible.

MAIN RESULTS

We included 17 RCTs enrolling 988 overweight or obese adults with CKD. The weight loss interventions and comparators across studies varied. We categorised comparisons into three groups: any weight loss intervention versus usual care or control; any weight loss intervention versus dietary intervention; and surgical intervention versus non-surgical intervention. Methodological quality was varied, with many studies providing insufficient information to accurately judge the risk of bias. Death (any cause), cardiovascular events, successful kidney transplantation, nutritional status, cost effectiveness and economic analysis were not measured in any of the included studies. Across all 17 studies many clinical parameters, patient-centred outcomes, and adverse events were not measured limiting comparisons for these outcomes. In studies comparing any weight loss intervention to usual care or control, weight loss interventions may lead to weight loss or reduction in body weight post intervention (6 studies, 180 participants: MD -3.69 kg, 95% CI -5.82 to -1.57; follow-up: 5 weeks to 12 months, very low-certainty evidence). In very low certainty evidence any weight loss intervention had uncertain effects on body mass index (BMI) (4 studies, 100 participants: MD -2.18 kg/m², 95% CI -4.90 to 0.54), waist circumference (2 studies, 53 participants: MD 0.68 cm, 95% CI -7.6 to 6.24), proteinuria (4 studies, 84 participants: 0.29 g/day, 95% CI -0.76 to 0.18), systolic (4 studies, 139 participants: -3.45 mmHg, 95% CI -9.99 to 3.09) and diastolic blood pressure (4 studies, 139 participants: -2.02 mmHg, 95% CI -3.79 to 0.24). Any weight loss intervention made little or no difference to total cholesterol, high density lipoprotein cholesterol, and inflammation, but may lower low density lipoprotein cholesterol. There was little or no difference between any weight loss interventions (lifestyle or pharmacological) compared to dietary-only weight loss interventions for weight loss, BMI, waist circumference, proteinuria, and systolic blood pressure, however diastolic blood pressure was probably reduced. Furthermore, studies comparing the efficacy of different types of dietary interventions failed to find a specific dietary intervention to be superior for weight loss or a reduction in BMI. Surgical interventions probably reduced body weight (1 study, 11 participants: MD -29.50 kg, 95% CI -36.4 to -23.35), BMI (2 studies, 17 participants: MD -10.43 kg/m², 95% CI -13.58 to -7.29), and waist circumference (MD -30.00 cm, 95% CI -39.93 to -20.07) when compared to non-surgical weight loss interventions after 12 months of follow-up. Proteinuria and blood pressure were not reported. All results across all comparators should be interpreted with caution due to the small number of studies, very low quality of evidence and heterogeneity across interventions and comparators.

AUTHORS' CONCLUSIONS

All types of weight loss interventions had uncertain effects on death and cardiovascular events among overweight and obese adults with CKD as no studies reported these outcome measures. Non-surgical weight loss interventions (predominately lifestyle) appear to be an effective treatment to reduce body weight, and LDL cholesterol. Surgical interventions probably reduce body weight, waist circumference, and fat mass. The current evidence is limited by the small number of included studies, as well as the significant heterogeneity and a high risk of bias in most studies.

Evaluating the Impact of Goal Setting on Improving Diet Quality in Chronic Kidney Disease

Background: Improving diet quality in chronic kidney disease (CKD) is challenging due to a myriad of competing recommendations. Patient-centered goal setting can facilitate dietary behavior change; however, its role in improving diet quality in CKD has not been investigated.

Aim: The aim of the study is to evaluate the effects of goal setting on improving diet quality in stages 3–4 CKD.

Methods: Forty-one participants completed a 6-month dietitian-led telehealth (combined coaching calls and text messages) intervention as part of a larger RCT. Participants set one to two diet-related SMART goals and received weekly goal tracking text messages. Dietary intake was assessed using the Australian Eating Survey at baseline, 3, and 6 months, with diet quality determined using the Alternate Healthy Eating Index (AHEI).

Results: Significant improvements in AHEI (+6.9 points; 95% CI 1.2–12.7), vegetable (+1.1 serves; 95% CI 0.0–2.3) and fiber intake (+4.2 g; 95% CI 0.2–8.2) were observed at 3 months in participants setting a fruit and/or vegetable goal, compared with those who did not. However, no significant or meaningful changes were observed at 6 months. No other goal setting strategy appeared in effect on diet intake behavior or clinical outcomes in this group of CKD participants.

Conclusions: Patient-centered goal setting, particularly in relation to fruit and vegetable intake, as part of a telehealth coaching program, significantly improved diet quality (AHEI), vegetable and fiber intake over 3 months. More support may be required to achieve longer-term behavior change in stages 3–4 CKD patients.

Physical activity recommendations for cancer survivors living with bony metastases: views of oncologic healthcare providers

PURPOSE

The potential of physical activity to improve function and quality of life of an individual with advanced cancer is now established. The purpose of this survey of oncologic healthcare providers (OHPs) is to understand their attitude towards physical activity for individuals living with bony metastases and to assess requirements to confidently provide physical activity recommendations.

METHODS

A web-based survey administered through Qualtrics™ included questions on participant demographics and attitude questions ranked on a Likert scale. Eligibility was a physician or nurse practitioner currently providing care in the cancer care system of a public healthcare system in Canada. 338 participants were identified and invited to participate in this survey.

RESULTS

The response rate was 34.6%. The majority of OHPs believed physical activity is important (89%) and safe (82%) in individuals living with bony metastases. OHPs agreed that these individuals looked to them for physical activity recommendations (74%) and that these recommendations would be followed (58%). Yet, 86% of OHPs felt they required more information before they could recommend physical activity to individuals living with bony metastases, and less than half (43%) of OHPs felt confident enough to prescribe physical activity.

CONCLUSIONS

OHPs agree that physical activity for individuals living with bony metastatic cancer is beneficial and safe. However, OHPs are not confident in their ability to recommend physical activity to this population.

IMPLICATIONS FOR CANCER SURVIVORS

There is a need to create physical activity guidelines for individuals living with bony metastases and improve access to rehabilitation services.

Modifiable Lifestyle Factors for Primary Prevention of CKD: A Systematic Review and Meta-Analysis

BACKGROUND

Despite increasing incidence of CKD, no evidence-based lifestyle recommendations for CKD primary prevention apparently exist.

METHODS

To evaluate the consistency of evidence associating modifiable lifestyle factors and CKD incidence, we searched MEDLINE, Embase, CINAHL, and references from eligible studies from database inception through June 2019. We included cohort studies of adults without CKD at baseline that reported lifestyle exposures (diet, physical activity, alcohol consumption, and tobacco smoking). The primary outcome was incident CKD (eGFR<60 ml/min per 1.73 m²). Secondary outcomes included other CKD surrogate measures (RRT, GFR decline, and albuminuria).

RESULTS

We identified 104 studies of 2,755,719 participants with generally a low risk of bias. Higher dietary potassium intake associated with significantly decreased odds of CKD (odds ratio [OR], 0.78; 95% confidence interval [95% CI], 0.65 to 0.94), as did higher vegetable intake (OR, 0.79; 95% CI, 0.70 to 0.90); higher salt intake associated with significantly increased odds of CKD (OR, 1.21; 95% CI, 1.06 to 1.38). Being physically active versus sedentary associated with lower odds of CKD (OR, 0.82; 95% CI, 0.69 to 0.98). Current and former smokers had significantly increased odds of CKD compared with never smokers (OR, 1.18; 95% CI, 1.10 to 1.27). Compared with no consumption, moderate consumption of alcohol associated with reduced risk of CKD (relative risk, 0.86; 95% CI, 0.79 to 0.93). These associations were consistent, but evidence was predominantly of low to very low certainty. Results for secondary outcomes were consistent with the primary finding.

CONCLUSIONS

These findings identify modifiable lifestyle factors that consistently predict the incidence of CKD in the community and may inform both public health recommendations and clinical practice.

A Systematic Review and Meta-Analysis on Effects of Bicarbonate Therapy on Kidney Outcomes

Aim

Preclinical studies suggest treatment of metabolic acidosis may slow chronic kidney disease (CKD) progression. This systematic review aimed to summarize evidence from randomized controlled trials (RCTs) concerning the benefits and risks of bicarbonate therapy on kidney outcomes.

Methods

Medline, EMBASE, and Cochrane databases were searched for RCTs with ≥3 months’ follow-up in patients with CKD (estimated glomerular filtration rate [eGFR] ≤60 ml/min per 1.73 m² and/or proteinuria) comparing the effects of sodium bicarbonate with placebo/no study medication on kidney outcomes. The primary outcome was change from baseline to last measurement in kidney function measured as either eGFR or creatinine clearance. Treatment effects were summarized using random-effects meta-analysis.

Results

Fifteen trials (2445 participants, median follow-up 12 months) were eligible for inclusion. Compared with placebo or no study medication, sodium bicarbonate retarded the decline in kidney function (standardized mean difference [SMD]: 0.26; 95% confidence interval [CI]: 0.13–0.40; I² = 50%, low certainty evidence), and reduced the risk of end-stage kidney failure (risk ratio [RR]: 0.53; 95% CI 0.32–0.89; I² = 69%, low certainty evidence). The effect of sodium bicarbonate on proteinuria (SMD: −0.09; 95% CI −0.27 to 0.09; I² = 28%, very low certainty evidence), systolic blood pressure (weighted mean difference [WMD]: −0.57 mm Hg; 95% CI −2.32 to 1.18; I² = 0%, low certainty evidence), all-cause death (RR: 0.81; 95% CI: 0.39–1.68; I² = 30%; very low certainty evidence) and edema (RR: 1.16; 95% CI: 0.90–1.50; I² = 28%; low certainty evidence) were uncertain.

Conclusion

Sodium bicarbonate may slow CKD progression. Adequately powered randomized trials are required to evaluate the benefits and risks of sodium bicarbonate in CKD.

The Internet of Things: Impact and Implications for Health Care Delivery

The Internet of Things (IoT) is a system of wireless, interrelated, and connected digital devices that can collect, send, and store data over a network without requiring human-to-human or human-to-computer interaction. The IoT promises many benefits to streamlining and enhancing health care delivery to proactively predict health issues and diagnose, treat, and monitor patients both in and out of the hospital. Worldwide, government leaders and decision makers are implementing policies to deliver health care services using technology and more so in response to the novel COVID-19 pandemic. It is now becoming increasingly important to understand how established and emerging IoT technologies can support health systems to deliver safe and effective care. The aim of this viewpoint paper is to provide an overview of the current IoT technology in health care, outline how IoT devices are improving health service delivery, and outline how IoT technology can affect and disrupt global health care in the next decade. The potential of IoT-based health care is expanded upon to theorize how IoT can improve the accessibility of preventative public health services and transition our current secondary and tertiary health care to be a more proactive, continuous, and coordinated system. Finally, this paper will deal with the potential issues that IoT-based health care generates, barriers to market adoption from health care professionals and patients alike, confidence and acceptability, privacy and security, interoperability, standardization and remuneration, data storage, and control and ownership. Corresponding enablers of IoT in current health care will rely on policy support, cybersecurity-focused guidelines, careful strategic planning, and transparent policies within health care organizations. IoT-based health care has great potential to improve the efficiency of the health system and improve population health.

A Randomized Trial on the Effect of Phosphate Reduction on Vascular End Points in CKD (IMPROVE-CKD)

BACKGROUND

Hyperphosphatemia is associated with increased fibroblast growth factor 23 (FGF23), arterial calcification, and cardiovascular mortality. Effects of phosphate-lowering medication on vascular calcification and arterial stiffness in CKD remain uncertain.

METHODS

To assess the effects of non-calcium-based phosphate binders on intermediate cardiovascular markers, we conducted a multicenter, double-blind trial, randomizing 278 participants with stage 3b or 4 CKD and serum phosphate >1.00 mmol/L (3.10 mg/dl) to 500 mg lanthanum carbonate or matched placebo thrice daily for 96 weeks. We analyzed the primary outcome, carotid-femoral pulse wave velocity, using a linear mixed effects model for repeated measures. Secondary outcomes included abdominal aortic calcification and serum and urine markers of mineral metabolism.

RESULTS

A total of 138 participants received lanthanum and 140 received placebo (mean age 63.1 years; 69% male, 64% White). Mean eGFR was 26.6 ml/min per 1.73 m2; 45% of participants had diabetes and 32% had cardiovascular disease. Mean serum phosphate was 1.25 mmol/L (3.87 mg/dl), mean pulse wave velocity was 10.8 m/s, and 81.3% had abdominal aortic calcification at baseline. At 96 weeks, pulse wave velocity did not differ significantly between groups, nor did abdominal aortic calcification, serum phosphate, parathyroid hormone, FGF23, and 24-hour urinary phosphate. Serious adverse events occurred in 63 (46%) participants prescribed lanthanum and 66 (47%) prescribed placebo. Although recruitment to target was not achieved, additional analysis suggested this was unlikely to have significantly affected the principle findings.

CONCLUSIONS

In patients with stage 3b/4 CKD, treatment with lanthanum over 96 weeks did not affect arterial stiffness or aortic calcification compared with placebo. These findings do not support the role of intestinal phosphate binders to reduce cardiovascular risk in patients with CKD who have normophosphatemia.

CLINICAL TRIAL REGISTRY NAME AND REGISTRATION NUMBER

Australian Clinical Trials Registry, ACTRN12610000650099.

KDOQI Clinical Practice Guideline for Nutrition in CKD: 2020 Update

The National Kidney Foundation's Kidney Disease Outcomes Quality Initiative (KDOQI) has provided evidence-based guidelines for nutrition in kidney diseases since 1999. Since the publication of the first KDOQI nutrition guideline, there has been a great accumulation of new evidence regarding the management of nutritional aspects of kidney disease and sophistication in the guidelines process. The 2020 update to the KDOQI Clinical Practice Guideline for Nutrition in CKD was developed as a joint effort with the Academy of Nutrition and Dietetics (Academy). It provides comprehensive up-to-date information on the understanding and care of patients with chronic kidney disease (CKD), especially in terms of their metabolic and nutritional milieu for the practicing clinician and allied health care workers. The guideline was expanded to include not only patients with end-stage kidney disease or advanced CKD, but also patients with stages 1-5 CKD who are not receiving dialysis and patients with a functional kidney transplant. The updated guideline statements focus on 6 primary areas: nutritional assessment, medical nutrition therapy (MNT), dietary protein and energy intake, nutritional supplementation, micronutrients, and electrolytes. The guidelines primarily cover dietary management rather than all possible nutritional interventions. The evidence data and guideline statements were evaluated using Grading of Recommendations, Assessment, Development and Evaluation (GRADE) criteria. As applicable, each guideline statement is accompanied by rationale/background information, a detailed justification, monitoring and evaluation guidance, implementation considerations, special discussions, and recommendations for future research.