Hypertension is a combination of genetic, environmental, and social factors, defined by blood pressure levels in which the benefits of treatment outweigh the risks. The global prevalence of hypertension is approximately 1.3 billion adults. The blood pressure control rates in developing countries in 2019 were 23% in women and 18% in men.

Treatments range from lifestyle modification, medication treatment, and use of medical devices. The prevalence of resistant arterial hypertension is estimated between 12% to 15% among patients with hypertension. Up to half of patients with resistant hypertension are partially or not adherent to pharmacological treatment. The World Health Organization (WHO) has identified five dimensions for treatment adherence, shown in .

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