The Extracellular Fluid-to-Intracellular Fluid Volume Ratio Is Associated with Large-Artery Structure and Function in Hemodialysis Patients

Yao Ping Lin, Wen Chung Yu, Tsei Lieh Hsu, Philip Yu An Ding, Wu Chang Yang, Chen Huan Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

Background: Large-artery derangement is a major risk factor for cardiovascular and all-cause mortality in patients with end-stage renal disease (ESRD). It is not clear how body fluid distribution affects large-artery structure and function in patients with ESRD. Methods: One hundred fifty-seven hemodialysis (HD) patients (mean age, 55.9 ± 15.1 years; 76 men, 81 women) were enrolled. Influence of the extracellular fluid (ECF)-to-intracellular fluid (ICF) ratio derived from bioimpedance spectroscopy on the structure and function of the common carotid artery (CCA) and aorta was analyzed. One hundred forty-four healthy subjects were examined to obtain normal reference values for body fluid compartments. Based on ECF-ICF ratio, 2 groups were identified: ECF-ICF ratio in the 95th percentile or less and ECF-ICF ratio greater than the 95th percentile of age- and sex-stratified normal reference values. Results: ECF-ICF ratio was significantly related to CCA diameter (r2 = 0.26; P < 0.001), CCA incremental modulus (Einc; r2 = 0.15; P < 0.001), carotid augmentation index (AGI; r2 = 0.10; P < 0.001), and aortic pulse wave velocity (aPWV; r2 = 0.21; P < 0.001). ECF-ICF ratio remained a significant independent determinant for CCA diameter (model r2 = 0.47; P < 0.001), Einc (12 = 0.29; P < 0.001), aPWV (r 2 = 0.51; P < 0.001), and AGI (r2 = 0.40; P < 0.001) when age, sex, mean blood pressure, anthropometrical parameters, HD duration, and status of diabetes mellitus were accounted for. HD patients with an ECF-ICF ratio greater than the 95th percentile had a greater CCA diameter, Einc, aPWV, and AGI than their counterparts. Conclusion: ECF-ICF ratio is associated with large-artery structure and function in HD patients. Patients with ESRD with a high ECF-ICF ratio are characterized by significant large-artery derangement.

Original languageEnglish
Pages (from-to)990-999
Number of pages10
JournalAmerican Journal of Kidney Diseases
Volume42
Issue number5
DOIs
StatePublished - Nov 2003

Keywords

  • Arteriosclerosis
  • Bioimpedance
  • Extracellular fluid volume (ECF)
  • Hemodialysis (HD)

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