Harleah G Buck1, Anna Stromberg2, Misook L Chung3, Kristine A Donovan4, Karen Harkness5, Allison M Howard6, Naoko Kato2, Randall Polo6, Lorraine S Evangelista7. 1. University of South Florida, College of Nursing, 12901 Bruce B. Downs Blvd. MDC22, Tampa, FL, 33612-4766, USA. Electronic address: hbuck@health.usf.edu. 2. Department of Medical and Health Sciences, Division of Nursing and Department of Cardiology, Linköping University, Linköping, Sweden. 3. University of Kentucky, College of Nursing, Lexington, KY, USA. 4. Moffit Cancer Center, Tampa, FL, USA. 5. McMaster University, Cardiac Care Network, Ontario, Canada. 6. University of South Florida, Shimberg Health Sciences Library, Tampa, FL, USA. 7. Sue and Bill Gross School of Nursing, University of California Irvine, Irvine, CA, 92697, USA.
Abstract
BACKGROUND: Having support from an informal carer is important for heart failure patients. Carers have the potential to improve patient self-care. At the same time, it should be acknowledged that caregiving could affect the carer negatively and cause emotional reactions of burden and stress. Dyadic (patient and informal carer) heart failure self-care interventions seek to improve patient self-care such as adherence to medical treatment, exercise training, symptom monitoring and symptom management when needed. Currently, no systematic assessment of dyadic interventions has been conducted with a focus on describing components, examining physical and delivery contexts, or determining the effect on patient and/or carer outcomes. OBJECTIVE: To examine the components, context, and outcomes of dyadic self-care interventions. DESIGN: A systematic review registered in PROSPERO, following PRISMA guidelines with a narrative analysis and realist synthesis. DATA SOURCES: PubMed, EMBASE, Web of Science, PsycINFO, and Cochrane Central Register of Controlled Trials were searched using MeSH, EMTREE terms, keywords, and keyword phrases for the following concepts: dyadic, carers, heart failure and intervention. Eligible studies were original research, written in English, on dyadic self-care interventions in adult samples. REVIEW METHODS: We used a two-tiered analytic approach including both completed studies with power to determine outcomes and ongoing studies including abstracts, small pilot studies and protocols to forecast future directions. RESULTS: Eighteen papers - 12 unique, completed intervention studies (two quasi- and ten experimental trials) from 2000 to 2016 were reviewed. Intervention components fell into three groups - education, support, and guidance. Interventions were implemented in 5 countries, across multiple settings of care, and involved 3 delivery modes - face to face, telephone or technology based. Dyadic intervention effects on cognitive, behavioral, affective and health services utilization outcomes were found within studies. However, findings across studies were inconclusive as some studies reported positive and some non-sustaining outcomes on the same variables. All the included papers had methodological limitations including insufficient sample size, mixed intervention effects and counter-intuitive outcomes. CONCLUSIONS: We found that the evidence from dyadic interventions to promote heart failure self-care, while growing, is still very limited. Future research needs to involve advanced sample size justification, innovative solutions to increase and sustain behavior change, and use of mixed methods for capturing a more holistic picture of effects in clinical practice.
BACKGROUND: Having support from an informal carer is important for heart failurepatients. Carers have the potential to improve patient self-care. At the same time, it should be acknowledged that caregiving could affect the carer negatively and cause emotional reactions of burden and stress. Dyadic (patient and informal carer) heart failure self-care interventions seek to improve patient self-care such as adherence to medical treatment, exercise training, symptom monitoring and symptom management when needed. Currently, no systematic assessment of dyadic interventions has been conducted with a focus on describing components, examining physical and delivery contexts, or determining the effect on patient and/or carer outcomes. OBJECTIVE: To examine the components, context, and outcomes of dyadic self-care interventions. DESIGN: A systematic review registered in PROSPERO, following PRISMA guidelines with a narrative analysis and realist synthesis. DATA SOURCES: PubMed, EMBASE, Web of Science, PsycINFO, and Cochrane Central Register of Controlled Trials were searched using MeSH, EMTREE terms, keywords, and keyword phrases for the following concepts: dyadic, carers, heart failure and intervention. Eligible studies were original research, written in English, on dyadic self-care interventions in adult samples. REVIEW METHODS: We used a two-tiered analytic approach including both completed studies with power to determine outcomes and ongoing studies including abstracts, small pilot studies and protocols to forecast future directions. RESULTS: Eighteen papers - 12 unique, completed intervention studies (two quasi- and ten experimental trials) from 2000 to 2016 were reviewed. Intervention components fell into three groups - education, support, and guidance. Interventions were implemented in 5 countries, across multiple settings of care, and involved 3 delivery modes - face to face, telephone or technology based. Dyadic intervention effects on cognitive, behavioral, affective and health services utilization outcomes were found within studies. However, findings across studies were inconclusive as some studies reported positive and some non-sustaining outcomes on the same variables. All the included papers had methodological limitations including insufficient sample size, mixed intervention effects and counter-intuitive outcomes. CONCLUSIONS: We found that the evidence from dyadic interventions to promote heart failure self-care, while growing, is still very limited. Future research needs to involve advanced sample size justification, innovative solutions to increase and sustain behavior change, and use of mixed methods for capturing a more holistic picture of effects in clinical practice.
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