Determinants of preparedness in family caregivers of patients with heart failure.

This study highlights that diminishing uncertainty in illness may indirectly improve caregiver preparedness through the enhancement of PAC, while raising family relational quality and social support may improve caregiver preparedness both directly and indirectly by augmenting PAC. These findings provide insightful implications for healthcare professionals in developing tailored interventions to ameliorate preparedness in family caregivers of patients with HF.