Observational Study That Will Evaluate Treatment Patterns in the Management of Hypertension in the Public Primary Care System

This is a retrospective observational cohort study based on secondary use of routinely collected electronic health data. The design was selected to enable population-level characterisation of treatment patterns and clinical inertia (both diagnostic and therapeutic) in the management of hypertension across diverse settings in Brazil's public primary care system (SUS).

Inclusion Criteria: * Age ≥18 years at the time of Hypertension diagnosis * Hypertension diagnosis as retrieved from registered ICD codes or CIAP Codes (primary care codes) in the EMR , OR At least two blood pressure measurements ≥140/90 mmHg during the study period. The blood measurements should be consecutive and obtained within a 30 days period. * Continuous follow-up in the same municipality for at least 6 months after index measurement. * Availability of structured EMR data including clinical encounters, diagnoses, and prescriptions Exclusion Criteria: \- Patients with incomplete data or not traceable in the registration systems