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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

Coronary artery calcification and aortic pulse wave velocity in chronic kidney disease patients

Ali A Haydar1, Adrian Covic, Helen Colhoun

  • 1Renal and Transplantation Unit, Guy's Hospital, London, UK.

Kidney International
|April 17, 2004
PubMed

Insights

Pulse wave velocity (PWV) strongly correlates with coronary artery calcium (CAC) scores in patients with end-stage renal disease (ESRD). This finding highlights PWV as a valuable indicator of arterial stiffness and calcification in this high-risk population.

Area of Science:

  • Cardiovascular Medicine
  • Nephrology
  • Radiology

Background:

  • End-stage renal disease (ESRD) patients face elevated cardiovascular risks.
  • Arterial pathologies like atherosclerosis and arteriosclerosis, including medial arterial calcification, contribute to vascular stiffness in ESRD.
  • Understanding the link between arterial stiffness and coronary calcification is crucial for managing cardiovascular complications.

Purpose of the Study:

  • To investigate the relationship between pulse wave velocity (PWV), a measure of arterial stiffness, and coronary artery calcium (CAC) extent.
  • To assess if PWV can serve as a surrogate marker for coronary calcification in ESRD patients.

Main Methods:

  • A study involving 55 ESRD patients (38 male, 17 female) over 2 years.
  • Measurements included electron beam computerized tomography (EBCT) for CAC scoring and PWV assessment.
  • Data were analyzed for correlations between PWV and CAC, adjusting for age, dialysis duration, and C-reactive protein (CRP).

Main Results:

  • The mean age of participants was 56.4 years, with a mean dialysis duration of 65.4 months.
  • A strong positive correlation was observed between PWV and total CAC score (P=0.0001), even after adjustments.
  • Significant differences in CAC scores were noted across different PWV tertiles (P=0.0001).

Conclusions:

  • Pulse wave velocity (PWV) is significantly associated with the extent of coronary artery calcification (CAC) measured by EBCT in chronic kidney disease patients.
  • PWV emerges as a reliable indicator of arterial calcification burden in ESRD.
  • These findings underscore the utility of PWV in assessing cardiovascular risk in ESRD patients.
Abstract

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