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Assessment of Vascular Function in Patients With Chronic Kidney Disease
08:50

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

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Independent Effects of Kidney Function and Cholesterol Efflux on Cardiovascular Mortality

Andreas Ritsch1, Monika Hunjadi1, Tatjana Stojakovic2

  • 1Department of Internal Medicine, Medical University of Innsbruck, 6020 Innsbruck, Austria.

Biomedicines
|August 26, 2022
PubMed

Insights

Impaired kidney function and reduced cholesterol efflux capacity independently impact cardiovascular mortality in patients with chronic kidney disease (CKD). These factors do not appear to mediate each other

Area of Science:

  • Nephrology
  • Cardiology
  • Genetics

Background:

  • Impaired renal function increases mortality risk.
  • HDL-cholesterol's protective effect is lost in chronic kidney disease (CKD).
  • Abnormal HDL function is implicated in CKD's cardiovascular risks.

Purpose of the Study:

  • Investigate genetic markers of kidney function.
  • Assess their association with cholesterol efflux capacity.
  • Examine links to cardiovascular mortality in CKD patients.

Main Methods:

  • Analyzed 2469 patients from the Ludwigshafen Risk and Cardiovascular Health Study.
  • Utilized coronary angiography data.
  • Assessed genetic scores for kidney function (GRF) and specific SNPs (e.g., uromodulin rs12917707).

Main Results:

  • Genetic markers for kidney function correlated inversely with cholesterol efflux capacity.
  • This aligns with the observed association between efflux capacity and kidney function.
  • Adjusting for kidney function markers did not alter the cholesterol efflux-cardiovascular mortality link.

Conclusions:

  • Cholesterol efflux and kidney function impact cardiovascular mortality through independent pathways.
  • Decreased cholesterol efflux may not be the mechanism mediating kidney function's effect on mortality.
  • Findings suggest distinct therapeutic targets for cardiovascular risk in CKD.
Abstract

Keywords:
cardiovascular riskcholesterol efflux capacityhigh-density lipoproteinkidney functionsingle nucleotide polymorphismuromodulin

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