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Enhancing self-care adherence in heart failure patients by developing a manual containing well-defined and theory-based behaviour change interventions through the application of the COM-B behaviour model

Subject Area Public Health, Healthcare Research, Social and Occupational Medicine
Term from 2014 to 2021
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 270822994
 
Final Report Year 2021

Final Report Abstract

The ACHIEVE study aimed to develop a theory-based heart failure (HF) behaviour change manual and understand local factors affecting the feasibility of implementing strategies that target improved and sustained HF self-care. Adherence to HF self-care is effective for maintaining the condition, improving quality of life and reducing hospital admissions. Many patients, however, struggle to implement regular self-care into their daily life. Previous interventions to enhance HF self-care were not theory-based and reported inconsistent results. To better ensure success, barriers and facilitators to implementation of a theoretical intervention in a specific local setting must be known and appropriately considered. Theory-based behaviour change techniques (BCTs) to improve HF self-care were identified using the Capability-Opportunity-Motivation-Behaviour (COM-B) model. Semi-structured interviews were conducted with 18 key stakeholders, including patients and carers, clinicians and policy makers/potential funders. These stakeholders were then invited to participate in a Delphi study to gain consensus on acceptance and implementation feasibility of the intervention in Germany. Stakeholders provided opinions on the eight intervention descriptors to facilitate effective and sustainable implementation: (1) content, (2) characteristics of interventionists, (3) target population, (4) delivery location, (5) delivery mode, (6) format, (7) intensity, and (8) duration. The intervention was generally viewed as understandable, valuable and comprehensive. Inclusion of carers and healthcare system characteristics were identified as important factors to consider for improving implementation success. In terms of the eight descriptors, stakeholders concluded that the intervention should be delivered by HF nurses, intervention recipients should include patients and carers, and an outpatient HF clinic was perceived as the best location. The intervention should include a combination of group and individual training sessions and last for 30 minutes. There should be more frequent sessions initially, gradually decreasing over time. In summary, the key scientific deliverables from this work were: 1) a theoretically derived list of BCTs, validated by 31 HF patients, 2) identification of aspects determining acceptability and feasibility of implementing the BCTs, 3) identification of the eight most relevant descriptors for implementing the proposed intervention in Germany. The developed BCTs were internationally derived and nationally tested for their relevance. Therefore, they can be tailored to national, regional and local contexts with stakeholder involvement to enhance self-care of HF patients. To ease implementation and comparability, dedicated materials were developed in the study, namely, an interview guide and a Delphi questionnaire. The ACHIEVE study thus successfully combined the development of a theory-based behaviour change intervention with implementation science to enhance intervention success for the improvement of HF self-care. 'Action planning’ was a BCT that originally had been selected during the mapping phase of the project. ‘Action planning’ is well researched in health psychology and regarded an effective means to change behaviour. Surprisingly, in our project, we had to eliminate ‘action planning’ from the list of BCTs, as it was extremely unpopular amongst the 31 patients who validated the BCTs.

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