Economic evaluation of the Very Early Rehabilitation in SpEech (VERSE) intervention

INTRODUCTION

There is limited evidence on the costs and outcomes of patients with aphasia after stroke. The aim of this study was to estimate costs in patients with aphasia after stroke according to the aphasia therapies provided.

METHODS

A three-arm, prospective, randomized, parallel group, open-label, blinded endpoint assessment trial conducted in Australia and New Zealand. Usual ward-based care (Usual Care) was compared to additional usual ward-based therapy (Usual Care Plus) and a prescribed and structured aphasia therapy program in addition to Usual Care (the VERSE intervention). Information about healthcare utilization and productivity were collected to estimate costs in Australian dollars for 2017-18. Multivariable regression models with bootstrapping were used to estimate differences in costs and outcomes (clinically meaningful change in aphasia severity measured by the WAB-R-AQ).

RESULTS

Overall, 202/246 (82%) participants completed follow-up at 26 weeks. Median costs per person were $23,322 (Q1 5,367, Q3 52,669, n = 63) for Usual Care, $26,923 (Q1 7,303, Q3 76,174, n = 70) for Usual Care Plus and $31,143 (Q1 7,001. Q3 62,390, n = 69) for VERSE. No differences in costs and outcomes were detected between groups. Usual Care Plus was inferior (i.e. more costly and less effective) in 64% of iterations, and in 18% was less costly and less effective compared to Usual Care. VERSE was inferior in 65% of samples and less costly and less effective in 12% compared to Usual Care.

CONCLUSION

There was limited evidence that additional intensively delivered aphasia therapy within the context of usual acute care provided was worthwhile in terms of costs for the outcomes gained.

Evaluating remote facilitation intensity for multi-national translation of nurse-initiated stroke protocols (QASC Australasia): a protocol for a cluster randomised controlled trial

BACKGROUND

Facilitated implementation of nurse-initiated protocols to manage fever, hyperglycaemia (sugar) and swallowing difficulties (FeSS Protocols) in 19 Australian stroke units resulted in reduced death and dependency for stroke patients. However, a significant gap remains in translating this evidence-based care bundle protocol into standard practice in Australia and New Zealand. Facilitation is a key component for increasing implementation. However, its contribution to evidence translation initiatives requires further investigation. We aim to evaluate two levels of intensity of external remote facilitation as part of a multifaceted intervention to improve FeSS Protocol uptake and quality of care for patients with stroke in Australian and New Zealand acute care hospitals.

METHODS

A three-arm cluster randomised controlled trial with a process evaluation and economic evaluation. Australian and New Zealand hospitals with a stroke unit or service will be recruited and randomised in blocks of five to one of the three study arms-high- or low-intensity external remote facilitation or a no facilitation control group-in a 2:2:1 ratio. The multicomponent implementation strategy will incorporate implementation science frameworks (Theoretical Domains Framework, Capability, Opportunity, Motivation - Behaviour Model and the Consolidated Framework for Implementation Research) and include an online education package, audit and feedback reports, local clinical champions, barrier and enabler assessments, action plans, reminders and external remote facilitation. The primary outcome is implementation effectiveness using a composite measure comprising six monitoring and treatment elements of the FeSS Protocols. Secondary outcome measures are as follows: composite outcome of adherence to each of the combined monitoring and treatment elements for (i) fever (n=5); (ii) hyperglycaemia (n=6); and (iii) swallowing protocols (n=7); adherence to the individual elements that make up each of these protocols; comparison for composite outcomes between (i) metropolitan and rural/remote hospitals; and (ii) stroke units and stroke services. A process evaluation will examine contextual factors influencing intervention uptake. An economic evaluation will describe cost differences relative to each intervention and study outcomes.

DISCUSSION

We will generate new evidence on the most effective facilitation intensity to support implementation of nurse-initiated stroke protocols nationwide, reducing geographical barriers for those in rural and remote areas.

TRIAL REGISTRATION

ACTRN12622000028707. Registered 14 January, 2022.

Exploring dimensions of quality-of-life in survivors of stroke with communication disabilities - a brief report

BACKGROUND

People with communication disabilities post-stroke have poor quality-of-life.

OBJECTIVES

We aimed to explore the association of self-reported communication disabilities with different dimensions of quality-of-life between 90 and 180 days post-stroke.

METHODS

Cross-sectional survey data were obtained between 90 and 180 days post-stroke from registrants in the Australian Stroke Clinical Registry recruited from three hospitals in Queensland. The usual follow-up survey included the EQ5D-3L. Responses to the Hospital Anxiety and Depression Scale, and extra questions (e.g. communication disabilities) were also collected. We used χ² statistics to determine differences.

RESULTS

Overall, 244/647 survivors completed the survey. Respondents with communication disabilities (n = 72) more often reported moderate to extreme problems in all EQ5D-3L dimensions, than those without communication disabilities (n = 172): anxiety or depression (74% vs 40%, p < .001), pain or discomfort (58% vs 39%, p = .006), self-care (46% vs 18%, p < .001), usual activities (77% vs 49%, p < .001), and mobility (68% vs 35%, p < .001). Respondents with communication disabilities reported less fatigue (66% vs 89%, p < .001), poorer cognitive skills (thinking) (16% vs 1%, p < .001) and lower social participation (31% vs 6%, p < .001) than those without communication disabilities.

CONCLUSIONS

Survivors of stroke with communication disabilities are more negatively impacted across different dimensions of quality-of-life (as reported between 90 and 180 days post-stroke) compared to those without communication disabilities. This highlights the need for timely and on-going comprehensive multidisciplinary person-centered support.

Sex differences in quality of life after stroke were explained by patient factors, not clinical care: evidence from the Australian Stroke Clinical Registry

BACKGROUND AND PURPOSE

Women may receive stroke care less often than men. We examined the contribution of clinical care on sex differences and health-related quality of life (HRQoL) after stroke.

METHODS

We included first-ever strokes registered in the Australian Stroke Clinical Registry (2010-2014) with HRQoL assessed between 90 and 180 days after onset (EQ-5D-3L instrument) that were linked to hospital administrative data (up to 2013). Study factors included sociodemographics, comorbidities, walking ability on admission (stroke severity proxy) and clinical care (e.g. stroke unit care). Responses to the EQ-5D-3L were transformed into a total utility value (-0.516 'worse than death' to 1 'best' health). Quantile regression models, adjusted for confounding factors, were used to determine median differences (MD) in utility scores by sex.

RESULTS

Approximately 60% (6852/11 418) of stroke survivors had an EQ-5D-3L assessment (median 139 days; 44% female). Compared with men, women were older (median age 77.1 years vs. men 71.2 years) and fewer could walk on admission (37.9% vs. men 46.1%, P < 0.001). Women had lower utility values than men, and the difference was explained by age and stroke severity, but not clinical care [MD_{adjusted =} -0.039, 95% confidence interval: -0.056, -0.021]. Poorer HRQoL was observed in younger men (aged <65 years), particularly those with more comorbidities, and in older women (aged ≥75 years).

CONCLUSIONS

Stroke severity and comorbidities contribute to the poorer HRQoL in young men and older women. Further studies are needed to understand age-sex interaction to better inform treatments for different subgroups and ensure evidence-based treatments to reduce the severity of stroke are prioritized.

Changes in the prevalence of chronic disability in China: evidence from the China Health and Retirement Longitudinal Study

OBJECTIVES

Chinese adults are the biggest users of healthcare services, and understanding current trends in disability profiles is relevant to planning healthcare workforce infrastructure. We investigated the trends over time for disability and physical functional limitations from 2011 to 2015 among Chinese adults and identified the factors associated with these limitations.

STUDY DESIGN

We used nationally representative data from the China Health and Retirement Longitudinal Study (CHARLS); the CHARLS participants were followed up every 2 years as they moved from work to retirement with an emphasis on their health status and functional abilities.

METHODS

Participants aged ≥50 years from three waves of the CHARLS were included. Data were collected on physical functioning limitations, disabilities in activities of daily living (ADLs) and disabilities in instrumental activities of daily living (IADLs). Multilevel logistic regression models were used to test for changes and factors associated with limitations and disabilities between 2011 and 2015 adjusting for sociodemographic, medical history and health measures.

RESULTS

There were 44,447 eligible participants (mean age: 63 years; standard deviation [SD], 9 years; 51% female). After adjustment, there was no significant increase in reporting of ADLs or IADLs in the 2015 survey compared with the 2011 survey. After adjustment, there was a 26% significant increase in reporting of physical functioning limitations in the 2015 survey compared with the 2011 survey (odds ratio: 1.26; 95% confidence interval, 1.17 to 1.35). Factors associated with ADL disability were being female, being older, minimal education, no alcohol intake in the previous year, falls, fractured hip, feeling depressed and being obese. Factors associated with IADL disabilities were being female, being older, minimal education and feeling depressed.

CONCLUSIONS

Chinese health agencies should consider the growing need for sufficient community services infrastructure to maximise independence, particularly in the context of ageing populations.

Protocol for evaluation of enhanced models of primary care in the management of stroke and other chronic disease (PRECISE): A data linkage healthcare evaluation study

INTRODUCTION

The growing burden of chronic diseases means some governments have been providing financial incentives for multidisciplinary care and self-management support delivered within primary care. Currently, population-based evaluations of the effectiveness of these policies are lacking.

AIM

To outline the methodological approach for our study that is designed to evaluate the effectiveness (including cost) of primary care policies for chronic diseases in Australia using stroke as a case study.

METHODS

Person-level linkages will be undertaken between registrants from the Australian Stroke Clinical Registry (AuSCR) and (i) Government-held Medicare Australia claims data, to identify receipt or not of chronic disease management and care coordination primary care items; (ii) state government-held hospital data, to define outcomes; and (iii) government-held pharmaceutical and aged care claims data, to define covariates. N=1500 randomly selected AuSCR registrants will be sent surveys to obtain patient experience information. In Australia, unique identifiers are unavailable. Therefore, personal-identifiers will be submitted to government data linkage units. Researchers will merge the de-identified datasets for analysis using a project identifier. An economic evaluation will also be undertaken.

ANALYSIS

The index event will be the first stroke recorded in the AuSCR. Multivariable competing risks Poisson regression for multiple events, adjusted by a propensity score, will be used to test for differences in the rates of hospital presentations and medication adherence for different care (policy) types. Our estimated sample size of 25,000 patients will provide 80% estimated power (ɑ>0.05) to detect a 6-8% difference in rates. The incremental costs per Quality-adjusted life years gained of community-based care following the acute event will be estimated from a health sector perspective.

CONCLUSION

Completion of this study will provide a novel and comprehensive evaluation of the effectiveness and cost-effectiveness of Australian primary care policies. Its success will enable us to highlight the value of data-linkage for this type of research.

Is telemedicine helping or hindering the delivery of stroke thrombolysis in rural areas? A qualitative analysis

BACKGROUND

Fast diagnosis and delivery of treatment to patients experiencing acute stroke can reduce subsequent disability. While telemedicine can improve rural community access to specialists and facilitate timely diagnosis and treatment decisions, it is not widely used for stroke in Australia.

AIM

Identifying the barriers and facilitators to clinician engagement with, and utilisation of, telemedicine consultations could expedite implementation in rural and remote locations.

METHODS

Purposive sampling was used to identify and recruit medical and nursing staff varying in telemedicine experience across one hospital department. Twenty-four in-depth, face-to-face interviews were conducted examining aspects surrounding stroke telemedicine uptake. Inductive qualitative thematic analysis was undertaken, and two further researchers verified coding.

RESULTS

The main barriers identified were contrasting opinions about the utility of thrombolysis for treating acute stroke, lack of confidence in the telemedicine system, perceived limited need for specialist advice and concerns about receiving advice from an unfamiliar doctor. Facilitators included assistance with diagnosis and treatment, the need for a user-friendly system and access to specialists for complex cases.

CONCLUSIONS

Acceptability of telemedicine for acute stroke was multifaceted and closely aligned with regional clinician beliefs about the value of thrombolysis for stroke, highlighting an important area for education. Addressing beliefs about treatment efficacy and other perceived barriers is important for establishing a stroke telemedicine programme.

Hypertension and TIA

Transient ischemic attack is a medical emergency because early stroke risk after transient ischemic attack is high. Hypertension is the most important modifiable risk factor for stroke and transient ischemic attack. The aims of this review are to provide a summary of the current knowledge concerning the relationship between blood pressure and transient ischemic attack, as well as outline issues regarding diurnal variation and the potential of chronotherapy (timing medications to accord with diurnal patterns of blood pressure). There is a strong relationship between hypertension and the incidence of transient ischemic attack and the subsequent short-term risk for stroke. Ambulatory blood pressure monitoring is a reliable diagnostic and monitoring tool for hypertension and provides additional information about diurnal variation in blood pressure. Different diurnal blood pressure patterns may confer variable stroke risk. Patients with stroke commonly have abnormal diurnal blood pressure patterns and this may relate, in part, to autonomic nervous system dysfunction. However, blood pressure patterns have not been systematically studied in patients with transient ischemic attack. Blood pressure remains poorly controlled in a large proportion of patients after transient ischemic attack and under-treatment and poor adherence are important factors. Chronotherapy for blood pressure may result in more effective blood pressure control. More research is needed in this area. Hypertension is strongly associated with transient ischemic attack. Diurnal blood pressure patterns may influence subsequent stroke risk after transient ischemic attack and more evidence is needed to inform clinical practice to improve blood pressure management for transient ischemic attack patients.

Improvements in the quality of care and health outcomes with new stroke care units following implementation of a clinician-led, health system redesign programme in New South Wales, Australia

BACKGROUND AND OBJECTIVES

Provision of evidence-based hospital stroke care is limited worldwide. In Australia, about a fifth of public hospitals provide stroke care units (SCUs). In 2001, the New South Wales (NSW) state government funded a clinician-led, health system redesign programme that included inpatient stroke services. Our objective was to determine the effects of this initiative for improving: (i) access to SCUs and care quality and (ii) health outcomes.

DESIGN, SETTING AND PARTICIPANTS

Preintervention-postintervention design (12 months prior and a minimum 6-12 months following SCU implementation). Retrospective, public hospital audit of 50 consecutive medical records per time period of stroke admissions (using International Classification of Diseases (ICD)-10 codes). Combined analyses for 15 hospitals presented.

OUTCOMES

Process of care indicators and patient independence (proportional odds modelling using modified Rankin scale).

RESULTS

Pre-programme cases (n = 703) (mean (SD) age 74 (14) years; female: 51%) and post-programme cases (n = 884) (mean age 74 (14) years; female: 49%) were comparable. Significant post-programme improvements for most process indicators were found, such as more brain imaging within 24 hours. Post-programme, access to SCUs increased 22-fold (95% CI 16.8 to 28.3). Improvement in inpatient independence at post-programme discharge was significant compared with pre-programme outcomes (proportional odds ratio 0.73, 95% CI 0.57 to 0.94; p = 0.013) when adjusted for patient clustering and case mix.

CONCLUSIONS

This distinctive SCU initiative was shown as effective for improving clinical practice and significantly reducing disability following stroke.

Access to stroke care units in Australian public hospitals: facts and temporal progress

BACKGROUND

There is level I evidence that management of stroke patients in stroke units (SU) improves outcomes (death and institutionalization) by approximately 20%. In Australia, there is uncertainty as to the proportion of incident cases that have access to SU. Recent national and State-based policy initiatives to increase access to SU have been taken. However, objective evidence related to SU implementation progress is lacking. The aims of the study were (i) to determine the number of SU in Australian acute public hospitals in 2004, (ii) to describe hospitals according to national SU policy criteria and (iii) to compare results to the 1999 survey to track progress.

METHODS

The method used in the study was a cross-sectional, postal survey technique. The participants were clinical representatives considered appropriate to describe stroke care within survey hospitals.

RESULTS

The outcome of the study was presence of a SU according to an accepted definition. Response rate was 261/301 (87%). Sixty-one sites (23%) had either a SU and/or a dedicated stroke team. Fifty sites claimed to have a SU (19%). New South Wales with 23 had the most number of SU. Based on policy criteria, up to 64 sites could have a SU. In 1999, there were 35 public hospitals with a SU.

CONCLUSION

Access to SU in Australian public hospitals remains low compared with other countries (Sweden, 70%). Implementation strategies supported by appropriate health policy to improve access are needed.