• Atencion primaria · Sep 2009

    Randomized Controlled Trial Multicenter Study

    [Non-pharmacological intervention as a strategy to improve antihypertensive treatment compliance].

    • Emilio Márquez Contreras, Nieves Martel Claros, Vicente Gil Guillén, José Luis Martín De Pablos, Mariano De la Figuera Von Wichman, José Joaquín Casado Martínez, Jacinto Espinosa García, and Pastoriza Vilas José Carlos JC Centro de Salud Adoratrices, Huelva, España..
    • Centro de Salud la Orden, Huelva, España. Electronic address: emarquezc@papps.org.
    • Aten Primaria. 2009 Sep 1; 41 (9): 501-510.

    ObjectiveTo evaluate the efficacy of an intervention by means of an educational magazine on treatment compliance in uncontrolled arterial hypertension (AHT).DesignControlled, randomised clinical trial.Setting87 primary care centres. Spain.ParticipantsA total of 450 patients with uncontrolled hypertension were included.InterventionTwo groups of 225 patients were formed: 1) Control group (CG): standard health intervention; 2) Intervention Group (IG): received a twice monthly educational magazine at home.Main MeasurementsCompliance was measured using the Medication Event Monitoring System (MEMS-Aardex). Compliance rate (CR) was recorded. Compliers were defined as individuals with a treatment compliance of 80-110%. The percentage of compliers, the mean percentage of doses taken and the percentage of patients taking the medication at the correct times were estimated. The mean blood pressures (BPs) and the percentage of controlled patientswere calculated. The number needed to treat (NNT) was calculated.ResultsA total of 393 individuals were evaluable (Age: 62.4 years), 196 in the IG and 197 in the CG. There were 83.2% (95% CI 78-88.4) and 49.2% (95% CI 42.2-56.2) (P=0.0001) of overall compliers in the IG and CG, respectively and 74% (95% CI: 67.9-80.1) and 42.6% (95% CI=35.7-49.5) (P=0.0001) of correct times compliers. A total of 81.6% (95% CI=76.2-86.5%)) were controlled in the IG and 56.3% (95% CI=49.4-63.2) in the CG. The NNT was 3.3 patients.ConclusionsTherapeutic non-compliance was very high. The educational magazine is an effective strategy to improve the compliance and degree of control of the AHT.

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