Nutrition, metabolism, and cardiovascular diseases : NMCD · 2024
The time-averaged serum uric acid can better predict the prognosis of IgA nephropathy.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Qi Chenchen, Liu Xudong, Mao Jing, Zhang Sen, Ye Lan, Wang Xuan, Peng Jianan, Zhou Xiaoling
Аннотация
BACKGROUND AND AIM: To understand the clinical and pathological characteristics of patients with IgA nephropathy (IgAN) complicated by hyperuricemia, and to analyze the time-averaged SUA (TA-SUA) on the prognosis of IgAN.
METHODS AND RESULTS: A retrospective analysis of 718 IgAN patients with diagnosis confirmed by renal biopsy and follow-up of more than 1 year was performed. At least two serum uric acid (SUA) levels were measured at intervals of 0.5-1 year during follow-up. The TA-SUA was calculated according to the area under the curve during the follow-up period. The primary endpoint of the study was the doubling of creatinine or end-stage renal disease. Four groups (Q1-Q4) were divided according to TA-SUA quartile spacing from low to high, and the association of the TA-SUA with prognosis in IgAN patients was assessed using Kaplan-Meier survival analysis and Cox proportional hazards models. This study included 718 patients with IgAN, of whom 181 (25.21 %) had hyperuricemia.Compared with the other three groups, the clinical and pathological characteristics of patients in the fourth quarter were more severe in both baseline SUA and TA-SUA groups. Multivariate results suggested that baseline SUA was not an independent risk factor for renal prognosis in IgAN patients after adjustment for clinical variables such as eGFR. High TA-SUA is an independent risk factor for renal prognosis in IgAN patients.
CONCLUSIONS: Hyperuricemia is common in IgA nephropathy.High TA-SUA in IgAN patients show more severe clinical features and pathological damage. TA-SUA is an independent risk factor for renal prognosis in IgA nephropathy patients.
METHODS AND RESULTS: A retrospective analysis of 718 IgAN patients with diagnosis confirmed by renal biopsy and follow-up of more than 1 year was performed. At least two serum uric acid (SUA) levels were measured at intervals of 0.5-1 year during follow-up. The TA-SUA was calculated according to the area under the curve during the follow-up period. The primary endpoint of the study was the doubling of creatinine or end-stage renal disease. Four groups (Q1-Q4) were divided according to TA-SUA quartile spacing from low to high, and the association of the TA-SUA with prognosis in IgAN patients was assessed using Kaplan-Meier survival analysis and Cox proportional hazards models. This study included 718 patients with IgAN, of whom 181 (25.21 %) had hyperuricemia.Compared with the other three groups, the clinical and pathological characteristics of patients in the fourth quarter were more severe in both baseline SUA and TA-SUA groups. Multivariate results suggested that baseline SUA was not an independent risk factor for renal prognosis in IgAN patients after adjustment for clinical variables such as eGFR. High TA-SUA is an independent risk factor for renal prognosis in IgAN patients.
CONCLUSIONS: Hyperuricemia is common in IgA nephropathy.High TA-SUA in IgAN patients show more severe clinical features and pathological damage. TA-SUA is an independent risk factor for renal prognosis in IgA nephropathy patients.