4.6 Article

The predictive value of the antioxidative function of HDL for cardiovascular disease and graft failure in renal transplant recipients

期刊

ATHEROSCLEROSIS
卷 249, 期 -, 页码 181-185

出版社

ELSEVIER IRELAND LTD
DOI: 10.1016/j.atherosclerosis.2016.04.008

关键词

HDL; HDL function; Atherosclerosis; Prospective study; Kidney transplantation

资金

  1. Netherlands Organization for Scientific Research (VIDI Grant) [917-56-358]
  2. Top Institute (TI) Food and Nutrition [A1004-A4]
  3. Dutch Kidney Foundation (Nierstichting Nederland) [C00.1877]

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Background: Protection of low-density lipoproteins (LDL) against oxidative modification is a key anti-atherosclerotic property of high-density lipoproteins (HDL). This study evaluated the predictive value of the HDL antioxidative function for cardiovascular mortality, all-cause mortality and chronic graft failure in renal transplant recipients (RTR). Methods: The capacity of HDL to inhibit native LDL oxidation was determined in vitro in a prospective cohort of renal transplant recipients (RTR, n = 495, median follow-up 7.0 years). Results: The HDL antioxidative functionality was significantly higher in patients experiencing graft failure (57.4 = 9.7%) than in those without (54.2 = 11.3%; P = 0.039), while there were no differences for cardiovascular and all-cause mortality. Specifically glomerular filtration rate (P = 0.001) and C-reactive protein levels (P = 0.006) associated independently with antioxidative functionality in multivariate linear regression analyses. Cox regression analysis demonstrated a significant relationship between antioxidative functionality of HDL and graft failure in age-adjusted analyses, but significance was lost following adjustment for baseline kidney function and inflammatory load. No significant association was found between HDL antioxidative functionality and cardiovascular and all-cause mortality. Conclusion: This study demonstrates that the antioxidative function of HDL (i) does not predict cardiovascular or all-cause mortality in RTR, but (ii) conceivably contributes to the development of graft failure, however, not independent of baseline kidney function and inflammatory load. (C) 2016 The Authors. Published by Elsevier Ireland Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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