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- Title
Asymmetric Dimethylarginine and Progression of Chronic Kidney Disease - a One-Year Follow-Up Study.
- Authors
Eiselt, Jaromír; Rajdl, Daniel; Racek, Jaroslav; Vostrý, Michal; Rulcová, Kamila; Wirth, Jan
- Abstract
Background/Aims: Asymmetric dimethylarginine (ADMA) is a prognostic factor in patients with chronic kidney disease (CKD). However, the relationships among factors influencing the metabolism of ADMA and the CKD progression are not fully understood. Methods: Serum ADMA, and variables related to the metabolism of ADMA were measured in 181 non-dialysis patients (CKD stages 3-5) and in 46 controls. Patients were assessed at baseline, and 6 and 12 months after the initiation of the study. Results: Patients had increased baseline ADMA, advanced glycation end products (AGE), and advanced oxidation protein products (AOPP) compared with controls (P<0.001). In a total of 164 patients who completed a one-year study, the estimated GFR (eGFR) declined from 23.5 (17.7-36) mL/min/1.73m2 to 21 (14.7-31.5) (P=0.018), AGE rose from 1.58 (1.38-1.90) μmol/L to 1.76 (1.52-2.21) (P<0.001), while ADMA, AOPP, tubular function, and proteinuria remained stable. In a multiple regression model (adjusted R2 = 0.49, P<0.0001), the interaction of relatively higher baseline eGFR, i.e. > 25 mL/min/1.73m2, with higher ADMA (P=0.02) and higher AOPP (P=0.04) predicted the severest decrease in eGFR per year. Other predictors of progression were higher baseline AGE (P<0.001), proteinuria (P=0.003), hypertension (P=0.01), and higher baseline eGFR (P=0.03). Conclusion: Elevated ADMA and markers of oxidative stress were strong predictors of progression in patients with eGFR between 25-40 mL/min/1.73m2 , i.e. at the borderline of CKD stages 3-4. © 2014 S. Karger AG, Basel
- Subjects
CHRONIC diseases; KIDNEY diseases; ASYMMETRIC dimethylarginine; ADVANCED glycation end-products; OXIDATIVE stress
- Publication
Kidney & Blood Pressure Research, 2014, Vol 39, Issue 1, p50
- ISSN
1420-4096
- Publication type
Article
- DOI
10.1159/000355776