Osteoprotegerin and osteoprotegerin/TRAIL ratio are associated with cardiovascular dysfunction and mortality among

Marek Kuźniewski1, Danuta Fedak2, Paulina Dumnicka3

  • 1Chair and Department of Nephrology, Jagiellonian University Medical College, Kraków, Poland.

Insights

Osteoprotegerin (OPG) is a biomarker for cardiovascular dysfunction and mortality in chronic kidney disease (CKD) patients. The OPG/TRAIL ratio also predicts cardiovascular issues and mortality in these patients.

Area of Science:

  • Cardiovascular Medicine
  • Nephrology
  • Biomarkers

Background:

  • Patients with chronic kidney disease (CKD), especially those on dialysis, face high rates of cardiovascular morbidity and mortality.
  • Osteoprotegerin (OPG), receptor activator of nuclear factor kappa-B ligand (RANKL), and tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) are implicated in cardiovascular complications.

Purpose of the Study:

  • To investigate the role of OPG, RANKL, and TRAIL as cardiovascular risk factors in patients with stage 5 CKD.
  • To assess the predictive value of these factors for mortality in CKD patients.

Main Methods:

  • Measured OPG, RANKL, and TRAIL concentrations in 69 hemodialyzed CKD patients and 35 healthy controls.
  • Assessed cardiovascular dysfunction using aortic pulse wave velocity (AoPWV), carotid artery intima-media thickness (CCA-IMT), coronary artery calcium score (CACS), and NT-proBNP.
  • Collected 7-year follow-up data on cardiovascular and overall mortality.

Main Results:

  • CKD patients had higher OPG levels, lower total soluble RANKL, and a higher OPG/RANKL ratio compared to controls.
  • OPG and the OPG/TRAIL ratio positively predicted long-term all-cause and cardiovascular mortality.
  • OPG correlated with AoPWV, CCA-IMT, and NT-proBNP; OPG/TRAIL correlated with AoPWV and NT-proBNP, independent of traditional risk factors (except age).

Conclusions:

  • OPG is confirmed as a biomarker for cardiovascular dysfunction and a mortality predictor in stage 5 CKD.
  • The OPG/TRAIL ratio shows potential as a predictor of cardiovascular dysfunction and mortality in this patient group.
Abstract

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