Reproducibility of arterial elasticity parameters derived from radial artery diastolic pulse contour analysis: The multi-ethnic study of atherosclerosis

Lyndia C. Brumback, David R. Jacobs, Norma Dermond, Haiying Chen, Daniel A. Duprez

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

OBJECTIVE: The aim of this report was to describe the reproducibility of arterial elasticity parameters derived from radial artery diastolic pulse contour analysis. METHODS: Two measurements were taken on the same day by the same technician with the HDI/Pulsewave CR-2000 System on each of a subset of participants selected randomly from the Multi-Ethnic Study of Atherosclerosis. Large and small artery elasticities (C1 and C2), C1 and C2 each multiplied by systemic vascular resistance (C1xR and C2xR, which are functions of the radial artery pulse waveform only), and systolic and diastolic blood pressures (SBP and DBP) were evaluated. RESULTS: Two measurements were taken of each of the 131 participants. The mean difference±standard deviation of the difference was-0.13±3.5 mmHg ×10 for C1,-0.03±1.5 mmHg ×100 for C2, 0.10±4.6 s ×10 for C1xR, 0.05±1.8 s ×100 for C2xR, 2.8±8.2 mmHg for SBP, and 1.5±5.0 mmHg for DBP. The between-measure correlation was 0.74 for C1, 0.84 for C2, 0.58 for C1xR, 0.74 for C2xR, 0.90 for SBP, and 0.86 for DBP. CONCLUSION: The reproducibility of arterial elasticity measurements is less than that of SBP and DBP. Multiple measurements of arterial elasticity of a participant are recommended.

Original languageEnglish (US)
Pages (from-to)312-315
Number of pages4
JournalBlood Pressure Monitoring
Volume15
Issue number6
DOIs
StatePublished - Dec 2010

Keywords

  • arterial compliance
  • arterial elasticity
  • blood pressure measurement
  • reproducibility

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