The problem of the quality of primary health care medical system for patients with arterial hypertension is acute for the investigator's country, as these diseases are the most common and cause the high mortality of the population.

The concept of "quality of primary health care medical system" includes its timeliness, accessibility and provision of medical care to the patient at the modern level, which is determined by the degree of performance by doctors of medical and diagnostic measures corresponding current clinical recommendations.

The system of cardiovascular desease registries, established in the Federal State Clinical Hospital of the Russian Federation Ministry of Public Health with the automated analysis of data on examination and treatment, in comparison with clinical Recommendations. It makes possibility to identify shortcomings and develop approaches to improving the provision of medical care to patients in real clinical practice.

Comparative analysis of the quality of examination and treatment in different samples of patients with cardiovascular desease, observed in 2018-2020, compared with results of previous years will identify ptrends in the provision of medical care to patients with cardiovascular desease.

The study will be conducted using the arterial hypertension registry method, which is a computer program with remote access that allows online collection medical data from medical primary care system. To minimize operator errors, doctors was trained before the work with the arterial hypertension registry. User's guide was developed and the rights of users was determined. Data of examination and treatment of patients from 18 years and older with an established diagnosis of hypertension will be added from outpatient cards into the registry of the arterial hypertension. The information is received by the Institution in an impersonal form through a certified dedicated security channel. Patients sign an informed consent for entering their medical data into the registry of arterial hypertension

Inclusion Criteria: The diagnosis of arterial hypertension -

Exclusion Criteria: No diagnosis of arterial hypertension

-

Participant eligibility is based on self-representation of gender identity

outpatient patients from 18 to 99 years old with a diagnosis of hypertension