Introduction:

In developed countries, the rates of adherence to treatments in chronic diseases are around 50 %.

Objective:

To evaluate the therapeutic adherence and the knowledge on hypertension in adult patients.

Methods:

An observational and analytic investigation of 54 adult patients of both sexes , who attended the out-patient service of Joaquín Albarrán Domínguez Teaching Clinical Surgical Hospital in Havana City was carried out during the first trimester of 2018. Among the analyzed variables there were: age, sex, treatment, degree of therapeutic adherence and knowledge.

Results:

The female sex (53.7 %), the age group 51-64 years (42.6 %) and the use of antihypertensive drugs, such as enalapril (50.0 %) and captopril (24.0 %); among the diuretics, the clortalidona (44.4 %) in treatments combined with 37.0 %, prevailed. The used combinations were enalapril/clortalidona (16.7 %) and captopril/clortalidona (13.0 %). The knowledge on their disease was not satisfactory (51.9 %); the therapeutic adherence took place in 48.0 % of those affected, being the most frequent factors the negligence on time (50.0 %) and forgetting (42.9 %). Among the factors related to the non adherence the polypharmacy prevailed (83.3 %) followed by the difficulties in obtaining of the medication (72.2 %).

Conclusions:

The therapeutic adherence in patients with hypertension was low and there was no statistical relation with the knowledge on their disease.

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