Prospective Observational Multicenter Study of Patients With AH and CKD Markers in Kazakhstan (PROGRESS-CKD)

Inclusion Criteria: Age ≥18 years at the time of inclusion; * Patient signed and dated written informed consent form (ICF) in accordance with ICH GCP and local legislation prior to inclusion in the study for the prospective observational cohort; * Established diagnosis of hypertension, diagnosed in accordance with current clinical guidelines for hypertension, i.e. in adults, i.e. systolic blood pressure (SBP) ≥140 mmHg and/or diastolic blood pressure (DBP) ≥90 mmHg. when measured at two different visits * Laboratory markers of CKD (eGFR \<60 mL/min/1.73 m2 and/or albuminuria/proteinuria\*) measured during the period ≤12 months prior to inclusion in the study and persisting ≥3 months between two measurements without a recorded diagnosis of CKD in the primary medical record prior to inclusion; \* any of the following: urine albumin/creatinine ratio (UACR) ≥30 mg/g (3 mg/mmol), Urine protein-creatinine ratio (uPCR) ≥150 mg/g (15 mg/mmol), albuminuria ≥30 mg/d or Urine protein-creatinine ratio (uPCR) ≥0.15 mg/d. * Absence of documented diagnosis of CKD in the patient's medical records prior to inclusion in the study Exclusion Criteria: * Absence of a signed ICF in patients in the prospective follow-up group * Participation in any randomized controlled trial within 3 months prior to inclusion in this study or during participation in this study * An established diagnosis of type 1 or type 2 diabetes mellitus. * Diagnosis of symptomatic chronic heart failure (CHF), NYHA functional class III-IV, documented in the patient's medical records * Diagnosis of AH of secondary genesis