Cardiovascular Calcifications Are Correlated with Inflammation in Hemodialysis Patients

Dorin Dragoș1,2, Delia Timofte3, Mihai-Teodor Georgescu1,4

  • 1Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, Dionisie Lupu nr 37, Sect 2, 020021 Bucharest, Romania.

PubMed

Insights

Cardiovascular disease is common in hemodialysis patients. This study found inflammation and poor nutrition are linked to vascular calcifications and increased mortality risk in these patients.

Area of Science:

  • Cardiovascular Medicine
  • Nephrology
  • Biochemistry

Background:

  • Cardiovascular disease (CVD) is a leading cause of death in hemodialysis (HD) patients.
  • Vascular and valvular calcifications are common complications in HD patients.
  • Oxidative stress and inflammation play significant roles in CVD pathogenesis.

Purpose of the Study:

  • To investigate the relationship between oxidative stress, inflammation, and vascular/valvular calcifications in HD patients.
  • To explore correlations between atherosclerosis markers, nutritional status, and mortality risk.

Main Methods:

  • Observational study of 54 hemodialysis patients.
  • Cardiovascular ultrasound and plain radiography for calcification and plaque assessment.
  • Analysis of inflammatory markers (IL-6, TNF-α), oxidative stress, metabolic, and dietary parameters.

Main Results:

  • Interleukin-6 (IL-6) levels correlated with carotid plaque number and aortic calcification score.
  • Tumor necrosis factor-alpha (TNF-α) showed inverse correlations with aortic annulus calcifications and intima-media thickness.
  • Nutritional markers like albumin and BMI were negatively correlated with atherosclerosis markers.
  • Age and atherosclerosis markers (carotid plaques, femoral plaques, aortic calcifications) were positively associated.
  • Aortic annulus calcifications, aortic valve calcifications, and mitral valve calcifications were linked to increased mortality risk.

Conclusions:

  • Imaging markers of atherosclerosis in HD patients are associated with inflammation and poorer nutritional status.
  • These atherosclerosis markers are also positively correlated with an increased risk of mortality.
  • Findings highlight the interplay between inflammation, nutrition, calcification, and outcomes in hemodialysis patients.

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