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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

Cardio-ankle vascular index to screen cardiovascular diseases in patients with end-stage renal diseases

Tsuneo Takenaka1, Hitoshi Hoshi, Nobutaka Kato

  • 1Department of Medicine, Faculty of Medicine, Saitama Medical University, Saitama, Japan.

Journal of Atherosclerosis and Thrombosis
|December 9, 2008
PubMed

Insights

Cardio-ankle vascular index (CAVI) effectively screens for cardiovascular diseases in hemodialysis patients. This arterial stiffness parameter is a reliable indicator, unaffected by blood pressure, aiding early detection.

Area of Science:

  • Cardiovascular health
  • Nephrology
  • Biomedical engineering

Background:

  • Cardiovascular diseases are a leading cause of mortality in chronic kidney disease patients.
  • Arterial stiffness is a predictor of cardiovascular disease, but common measures are influenced by blood pressure.

Purpose of the Study:

  • To evaluate the utility of a novel arterial stiffness parameter, cardio-ankle vascular index (CAVI), for screening cardiovascular diseases.
  • To assess CAVI's performance in patients undergoing chronic hemodialysis.

Main Methods:

  • Cross-sectional study involving 68 hemodialysis patients.
  • Measurement of cardio-ankle vascular index (CAVI).
  • Statistical analysis including stepwise regression and ROC curve analysis.

Main Results:

  • CAVI correlated significantly with age but not blood pressure.
  • Diabetic patients and those with a history of cardiovascular diseases exhibited higher CAVI values.
  • A CAVI cutoff of 7.55 demonstrated 0.79 sensitivity and specificity for detecting cardiovascular diseases.

Conclusions:

  • CAVI is a valuable, non-invasive screening tool for cardiovascular diseases in hemodialysis patients.
  • CAVI offers an advantage over traditional methods by being independent of blood pressure.
Abstract

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