• Gabriel Ștefan, Adrian Zugravu, and Simona Stancu.
• Nephrology Department, University of Medicine and Pharmacy "Carol Davila", 050474 Bucharest, Romania.
• Medicina (Kaunas). 2024 Jan 31; 60 (2).

AbstractBackground and Objectives: IgA nephropathy (IgAN), the most common primary glomerulonephritis, has been extensively studied for renal outcomes, with limited data on patient survival, particularly in Eastern Europe. We aimed to investigate the long-term survival rate of patients with IgAN and the associated risk factors in an Eastern European cohort. Materials and Methods: We conducted a retrospective analysis of 215 IgAN patients (median age 44, 71% male) diagnosed at a Romanian tertiary center between 2010 and 2017. We assessed clinical and pathological attributes, including the Charlson comorbidity index, the prevalence of diabetes, renal function, and treatment with renin-angiotensin-system inhibitors (RASIs). Results: Over a median 7.3-year follow-up, 20% of patients died, mostly due to cardiovascular diseases. Survival rates at 1, 5, and 10 years were 93%, 84%, and 77%, respectively. Deceased patients had higher Charlson comorbidity index scores, greater prevalence of diabetes, and poorer renal function. They were less frequently treated with RASIs and more frequently reached end-stage kidney disease (ESKD). Conclusions: We report a 20% mortality rate in our Eastern European IgAN cohort, primarily due to cardiovascular diseases. Death correlates with increased age, comorbidity burden, decreased renal function at diagnosis, and the absence of RASI use. RASI treatment may potentially improve survival, highlighting its importance in managing IgAN.

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