Abstract
IntroductionCoronary artery disease (CAD) is the leading cause of death worldwide. Lifestyle change is a crucial part of secondary prevention. Only 30% of CAD patients follow the corresponding guideline recommendations. The widespread adoption of smartphones offers the opportunity to integrate secondary prevention into the daily routine of CAD patients.MethodsWe developed an app to integrate secondary prevention into CAD patients’ everyday life (smartphone-guided secondary prevention, SGSP). The app provided a daily 15-minute program that included video-guided exercises, video sessions with background information about CAD, and a tool to record blood pressure and heart rate once a day. The SGSP app was tested with the primary outcome of 28-day adherence. The secondary outcome was a composite of (1) self-reported behavioral changes, (2) gain of knowledge about cardiovascular risk factors, and (3) an increase in quality of life.ResultsOf the 66 patients screened, 43 (65%) were included into the study and, of those, 17 (40%) used the app continuously for 28 days. From this group, 14 (82%) were physically more active and ten (59%) improved their dietary habits. Usage of the SGSP app was also associated with a gain of knowledge about cardiovascular risk factors (70% physical activity, 59% healthy diet).ConclusionThe regular use of a SGSP app appears to support lifestyle changes in patients with CAD.
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