Proposed Mechanism of Adherence in Caregivers Providing Care to Adults Living with a Left Ventricular Assist Device

Lufei Young, Rita F D'Aoust, Chakra Budhathoki, Jesus M Casida

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

INTRODUCTION: The left ventricular assist device (VAD) is commonly used as the bridge-to-transplantation therapy for heart failure patients who are on waitlist of heart transplant. The caregivers' adherence to the homecare regimen plays a vital role in patient outcomes. There is little evidence about the factors related to the caregiver adherence. The purpose of this study was to determine the factors influencing adherence in caring for patients living with a left ventricular device.

METHODS: The data were collected from 4 online caregiver support groups. Multiple linear regression models were used to determine associations between key variables. The structure equation modeling was used to identify the mediators of caregiver adherence.

RESULTS: A total of 96 participants' data entered the final analysis. The average age of the participants was 49.8 (SD = 12.88) years, majority were white (84%), female (80%), and married (81%). Caregiver self-efficacy was positively related to their adherence (r = 0.460, P < 0.001). Caregiver knowledge did not mediate the effect of training on self-efficacy. Caregiver self-efficacy did not mediate the effect of knowledge on adherence. There was no interaction between practice hours and knowledge on adherence.

DISCUSSION: The findings suggest significant association between caregiver self-efficacy and adherence to left ventricular assist home-care regimens. Additional research is needed to identify factors influencing caregiver adherence, leading to the development of evidence-based practice guidelines and to improve the outcomes in advanced heart failure patients living with left VAD.

Original languageEnglish (US)
Pages (from-to)15269248221107045
JournalJournal of Transplant Coordination
DOIs
StateE-pub ahead of print - Jun 20 2022

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