Oxidative stress, inflammation and cardiovascular disease in chronic renal failure

Santina Cottone1, Maria Carmela Lorito, Raffaella Riccobene

  • 1Chair of Nephrology and Unit of Renal Diseases and Hypertension, University of Palermo, Palermo, Italy. sancott@tin.it

Insights

Traditional and nontraditional risk factors harm kidneys via oxidative stress and inflammation. These factors are linked to reduced kidney function (eGFR) and cardiovascular disease in chronic kidney disease (CKD) patients.

Area of Science:

  • Nephrology
  • Cardiology
  • Pathophysiology

Background:

  • Traditional risk factors (hypertension, diabetes, dyslipidemia, obesity, metabolic syndrome) and nontraditional factors contribute to kidney damage.
  • Oxidative stress and inflammation are key mediators of risk factor effects on the kidney.
  • These processes are implicated in intrarenal atherogenesis and cardiovascular complications in chronic kidney disease (CKD).

Purpose of the Study:

  • To explore the relationship between traditional and nontraditional risk factors and kidney damage.
  • To investigate the role of oxidative stress and inflammation in mediating these effects.
  • To understand the link between CKD, atherosclerosis, and cardiovascular disease.

Main Methods:

  • Review of clinical studies examining risk factors, oxidative stress, inflammation, and kidney function markers.
  • Analysis of associations between biomarkers of oxidative stress, inflammation, endothelial activation, and fibrosis with CKD.
  • Examination of cardiovascular markers like left ventricular mass and plasma fetuin-A levels in CKD patients.

Main Results:

  • Oxidative stress and inflammatory biomarkers correlate with reduced estimated glomerular filtration rate (eGFR).
  • Atherosclerosis surrogate indexes relate to markers of endothelial activation, inflammation, and fibrosis in CKD.
  • Increased high-sensitivity C-reactive protein and decreased fetuin-A are observed in CKD patients with left ventricular hypertrophy.

Conclusions:

  • Cardiovascular disease is a multifactorial complication of CKD.
  • Oxidative stress and inflammation play significant roles in the pathophysiology of CKD and its cardiovascular sequelae.
  • Risk factor management is crucial for mitigating kidney damage and cardiovascular risk in CKD.

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