Abstract
Introduction: Adolescents with heart disease report difficulty in communication about their health as a major inhibiting factor in their care. MHealth technologies collect health data in daily life and enable health data sharing between the provider and patient. The adolescent population has a high level of engagement with mobile devices and a willingness to use them for health-related activities. Hypothesis: We hypothesized that our novel gamified mHealth platform Heart Hero can engage adolescent patients in the collection of cardiac health data in their daily life. Methods: We designed the research app using ResearchKit to collect continuous physiological data from the Apple Watch and daily survey data on well-being, stress, medical adherence, and cardiac symptoms. Patients were provided the app, iPhone, and Apple Watch and enrolled for 27 days. A final in-app survey was provided to assess feedback. We enrolled 28 patients total who were scheduled for outpatient cardiopulmonary exercise testing. Results: Mean age was 14.3 years old (SD +/-3.08) with a 1:1 M:F ratio. 61% of patients were ≥ 15 years of age. 94% of patients completed the final survey. Subjects on average completed 64% (SEM +/-5) of the daily quizzes with an average daily adherence of over 50% wearing the watch. 100% reported they liked using the watch and app, and 89% would like to continue wearing the Apple Watch. 53% reported the study encouraged them to exercise more while 21% reported encouragement to walk more. Fig 1 demonstrates A) Apple Watch and b) daily survey data collected from a patient throughout the study. Conclusions: In conclusion, Heart Hero is a mHealth platform which can successfully be used to collect continuous health data from the adolescent population with high engagement characterized by adherence and positive patient feedback. Adherence to the app was notably superior to the initial 5 ResearchKit applications enrolling adult patients.
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