Key result
Tum-Tum mobile app increases heart failure self-care maintenance scores by ~3 points over 60 days.
Why the study?
The impact of a mobile application on self-care scores in people with heart failure was evaluated to support educational strategies by healthcare professionals.
Does the use of the "Tum-Tum" mobile application improve self-care scores in people with chronic heart failure?
Does the use of the "Tum-Tum" mobile application improve self-care scores in people with chronic heart failure?
Absolute Event Rate: 66% vs 63%
p-value: p=0.002
The use of an educational mobile application significantly increased self-care maintenance and confidence in patients with heart failure, indicating potential as an adjunct tool for clinical management.
Associated with improved HF self-care; hypothesis-generating and requires randomized confirmation before practice change.
OBJECTIVE: To compare the self-care scores of people with heart failure before and after using the "Tum-Tum" mobile application. METHOD: A single-group, quasi-experimental, before-and-after study involving a sample of 57 individuals treated at the cardiology outpatient clinic of a public university hospital in the city of João Pessoa, Paraíba, conducted between January and May 2024. To measure self-care, the Self-Care of Heart Failure Index was used before (T0) and 60 days after (T1) using the mobile application. Data analysis involved descriptive statistics and the Wilcoxon signed-rank test. RESULTS: 54.4% of participants were male. The median age was 60 years, and the median number of years of education was six years. A statistically significant difference was observed between the pre-intervention (T0) and post-intervention (T1) time points regarding the heart failure self-care maintenance and self-care confidence subscales. CONCLUSION: The use of the "Tum-Tum" mobile app had a positive influence on increasing scores. The app has the potential to support educational strategies promoted by healthcare professionals-particularly nurses-regarding self-care for people with heart failure. The study was registered with ReBEC - registry RBR-5zx8rvc.
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Santos et al. (2026) studied Chronic heart failure (n=57). "Tum-Tum" mobile application vs. Baseline (pre-intervention) was evaluated on Self-Care of Heart Failure Index (SCHFI) maintenance subscale score (p=0.002). Use of the "Tum-Tum" mobile application significantly increased heart failure self-care maintenance (median score 63 to 66) and self-care confidence (median score 85 to 95) over 60 days.
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