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  • Title: Specific hypertension smartphone application to improve medication adherence in hypertension: a cluster-randomized trial.
    Author: Márquez Contreras E, Márquez Rivero S, Rodríguez García E, López-García-Ramos L, Carlos Pastoriza Vilas J, Baldonedo Suárez A, Gracia Diez C, Gil Guillén V, Martell Claros N, Compliance Group of Spanish Society of Hypertension (SEH-LELHA).
    Journal: Curr Med Res Opin; 2019 Jan; 35(1):167-173. PubMed ID: 30431384.
    Abstract:
    Introduction: Digital interventions, such as smartphone applications (apps), are becoming an increasingly common way to support medication adherence and self-management in chronic illness.Aim: To evaluate the effectiveness of the intervention in pharmacological therapeutic adherence in mild to moderate arterial hypertension (AHT), through an app installed on a mobile phone, as well as the degree of control reached by the patient with this tool.Methods: Prospective, randomized controlled trial, full study and multicenter study. Four primary care centers participated. One hundred and fifty-four hypertensive patients under antihypertensive treatment were included. Two groups were established: a control group (CG) with usual intervention (n = 77) and an intervention group (n = 77) (IG), targeting hypertensive people who owned and regularly used a mobile smartphone, specifically using the app called AlerHTA to promote health education and reminder of appointments. There were three visits: initial, 6 and 12 months. Drug adherence was measured by electronic monitors (MEMSs). The primary outcomes were average daily percentage adherence between 80 and 100%, and AHT control.Results: A total of 148 patients finished the study. Mean age was 57.5 ± 9.9. Global adherence was 77.02% (CI = 70.25-83.79) and daily adherence was 74.32% (CI = 67.29-81.35%). Daily adherence was 93.15% and 86.3% in IG, and 70.66% and 62.66% in CG after 6 and 12 months respectively (p < .05). The percentage of uncontrolled patients was 28.3% (CI = 21.05-35.55%). The control of high blood pressure at 12 months was 17.8% and 38.6% for IG and CG respectively (p < .05). The number of patients needed to treat to avoid non-adherence (NNT) was 4.23 patients.Conclusions: The intervention with an app installed on the mobile phones of hypertensive patients favors pharmacological therapeutic adherence and improves the percentage of hypertensive patient control.Trial registration: Spanish Agency of Medicine: EPA-SP UN-HTA-2015-01.
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