Virtually Delivered Psychosocial Intervention for Mothers Expecting a Baby with Congenital Heart Disease: A Proof-of-Concept Study of HEARTPrep
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Background
Maternal mental health problems are common after prenatal diagnosis of congenital heart disease (CHD), with long-term implications for child and family wellbeing. HEARTPrep is a prenatal psychosocial intervention with three self-paced modules and corresponding telehealth sessions, delivered during pregnancy via mobile app to improve mental health and wellbeing for mothers expecting a baby with CHD. This proof-of-concept study evaluated the feasibility of HEARTPrep and examined maternal mental health and psychosocial functioning throughout participation.
Methods
Participants were mothers receiving care for a fetal CHD diagnosis within one health system. Feasibility was assessed via rates of enrollment and completion. Mothers completed 4-item PROMIS questionnaires assessing anxiety, depression, and social isolation and reported self-efficacy and hope on a weekly basis throughout HEARTPrep.
Results
Of 34 recruited mothers, 29 (85%) enrolled and two were subsequently not eligible (delivery prior to participation, change in fetal diagnosis), resulting in a final sample of 27 mothers. The majority (n = 22, 81%) completed all three telehealth sessions and Modules 1 (n = 22, 81%) and 2 (n = 19, 70%), with just over half (n = 14, 52%) completing Module 3 prior to delivery. Mean PROMIS depression T-scores decreased from 57.5 to 52.9, and 48% of mothers had a decrease in depression scores exceeding the meaningful change threshold (half standard deviation). The percentage of mothers reporting high self-efficacy increased from 19% to 48%.
Conclusions
HEARTPrep is feasible and corresponds with reduced maternal depression and increased self-efficacy, supporting proof-of-concept. A randomized controlled trial is needed to determine whether HEARTPrep improves outcomes compared to a control group.
