期刊
KIDNEY INTERNATIONAL
卷 87, 期 6, 页码 1201-1208出版社
ELSEVIER SCIENCE INC
DOI: 10.1038/ki.2014.429
关键词
cardiovascular disease; congestive heart failure; hemodialysis; urea; uremia; uremic toxins
资金
- NIH [KO8 HL121801]
- Howard Hughes Medical Institute [K24 DK094872]
- German Federal Ministry for Education and Research [BMBF01EO1004]
- University Hospital Wuerzberg 'Gundausstattung' grant programme
Serum carbamylated albumin (C-Alb) levels are associated with excess mortality in patients with diabetic end-stage renal disease. To gain insight into the pathophysiology of carbamylation, we determined associations between C-Alb and causes of death in patients on chronic hemodialysis. The Die Deutsche Diabetes Dialyse Studie (4D study) was a randomized controlled trial testing the effects of atorvastatin on survival in diabetic patients on dialysis during a median follow-up of 4 years. We stratified 1161 patients by C-Alb to see whether differences in carbamylation altered the effects of atorvastatin on survival. Baseline C-Alb significantly correlated with serum cardiac stress markers troponin T and N-terminal pro-B-type-natriuretic peptide and was associated with a history of heart failure and arrhythmia. C-Alb was strongly associated with 1-year adjusted risk of cardiovascular mortality, sudden cardiac death, and the 4-year risk of death from congestive heart failure (hazard ratios of 3.06, 3.78, and 4.64, respectively) but not with myocardial infarction or stroke. Patients with low C-Alb, treated with atorvastatin, experienced a significant improvement in their 4-year survival (hazard ratio 0.692). High C-Alb levels are associated with ongoing cardiac damage, risk of congestive heart failure, and sudden cardiac death. Thus, carbamylation and uremic cardiomyopathy are associated in patients with diabetes mellitus and kidney disease. In addition, statins were specifically beneficial to hemodialysis patients with low C-Alb.
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