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Changes in Social Support and Relational Mutuality as Moderators in the Association Between Heart Failure Patient Functioning and Caregiver Burden.

Cooney TM, Proulx CM, Bekelman DB. Changes in Social Support and Relational Mutuality as Moderators in the Association Between Heart Failure Patient Functioning and Caregiver Burden. The Journal of cardiovascular nursing. 2021 May 1; 36(3):212-220.

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BACKGROUND: Caregivers to patients with heart failure (HF) may experience substantial burden in their roles, yet little is known about factors that exacerbate caregiver burden over time. OBJECTIVES: We test the moderating role of changes in caregivers' social support and patient-caregiver relationship mutuality in the association between HF patient functioning and caregiver burden. METHODS: Data were analyzed using Stata 13.1 for 100 HF primary caregivers, the majority of whom were female (81%), living with the patient (87%), and married or partnered to the patient (70%). Patients reported on dyspnea, disability level, and symptom severity, and caregivers reported on patient-caregiver mutuality, social support, and perceived caregiver burden at both baseline and a 12-month follow-up. RESULTS: Regression analyses using the Structural Equation Modeling framework revealed that declines in caregiver-patient mutuality over the 12 months of the study amplified the association between patient functioning (ie, dyspnea, symptom severity, and disability) and caregiver burden. Change in social support did not significantly moderate the association between any of the patient functioning variables and caregiver burden. CONCLUSIONS: Caregivers' relationships with their care recipient shape how they respond to and interpret the demands of caregiving, and relationships experiencing negative changes over time contribute to caregiver burden. Promoting and sustaining positive social relationships within the caregiver-patient dyad is thus a promising avenue for interventions aimed at reducing the burden experienced by caregivers to patients with HF.

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