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Epidemiological Clinical Profile of Chronic Kidney Disease in Adults under 50 at the University Hospital of Brazzaville

Introduction: Chronic Kidney Disease (CKD) is a major global public health problem. In Congo, we have very few studies on it. Patients and Methods: We carried out an analytical cross-sectional study with retrospective data collection including patients aged 18 to 49 years, hospitalized for CKD in the nephrology department of University Hospital of Brazzaville, during the period from January 1, 2016 to August 31, 2020. The variables considered were socio-demographic, clinical, paraclinical, therapeutic and evolutionary. The statistical test used was Pearson’s chi-square test. Results: CKD in those under 50 represented 21.1% of admissions and 35.6% of CKD. The mean age was 35.9 ± 8.4 years. There was a male predominance with a sex ratio of 1.27. Hypertension was the most common comorbidity (49.2%), followed by HIV (13.6%) and diabetes mellitus (13.2%). Stage 5 CKD was most prevalent (82.7%). Indeterminate kidney disease was in the order of 55.9%. The low socioeconomic level (74.9% of cases) hampered the achievement of dialysis in 66.3% of patients for whom this treatment was indicated. Failure to perform dialysis significantly influenced the occurrence of death (p-value = 0.005). Conclusion: CKD is common among people under 50 and more affects males with a high mortality rate due to lack of access to dialysis. The main causes are hypertension and HIV.