Reproducibility and repeatability of quantitative sodium magnetic resonance imaging in vivo in articular cartilage at 3 T and 7 T

Guillaume Madelin, James S. Babb, Ding Xia, Gregory Chang, Alexej Jerschow, Ravinder R. Regatte

Research output: Contribution to journalArticle

Abstract

Osteoarthritis is a degenerative disease of articular cartilage that may be associated with a loss of glycosaminoglycans. Quantitative sodium magnetic resonance imaging is highly specific to glycosaminoglycan content and could be used to assess the biochemical degradation of cartilage in early osteoarthritis. However, the reproducibility and repeatability of this technique are not well documented. The aim of this study is to test the reproducibility and repeatability of sodium quantification in cartilage in vivo using intraday and interday acquisitions at 3 T and 7 T, with a radial 3D sequence, with and without fluid suppression. Fluid suppression was obtained by adiabatic inversion recovery (IR WURST) and is expected to improve the sensitivity of the method to glycosaminoglycan content. The root mean square of coefficients of variation are all in the range of 7.5-13.6%. No significant intermagnet, intersequence, intraday, and interday differences in the coefficients of variation were observed. Sodium quantification using IR WURST gave values closer to those reported in the literature for healthy cartilage (220-310 mM) than radial 3D. In conclusion, IR WURST was more accurate in context of sodium measurement, with a reproducibility and repeatability comparable to other compositional magnetic resonance imaging techniques of cartilage.

Original languageEnglish (US)
Pages (from-to)841-849
Number of pages9
JournalMagnetic Resonance in Medicine
Volume68
Issue number3
DOIs
StatePublished - Sep 2012

Fingerprint

Articular Cartilage
Cartilage
Glycosaminoglycans
Sodium
Magnetic Resonance Imaging
Osteoarthritis

Keywords

  • osteoarthritis
  • repeatability
  • reproducibility
  • sodium magnetic resonance imaging

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Reproducibility and repeatability of quantitative sodium magnetic resonance imaging in vivo in articular cartilage at 3 T and 7 T. / Madelin, Guillaume; Babb, James S.; Xia, Ding; Chang, Gregory; Jerschow, Alexej; Regatte, Ravinder R.

In: Magnetic Resonance in Medicine, Vol. 68, No. 3, 09.2012, p. 841-849.

Research output: Contribution to journalArticle

Madelin, Guillaume ; Babb, James S. ; Xia, Ding ; Chang, Gregory ; Jerschow, Alexej ; Regatte, Ravinder R. / Reproducibility and repeatability of quantitative sodium magnetic resonance imaging in vivo in articular cartilage at 3 T and 7 T. In: Magnetic Resonance in Medicine. 2012 ; Vol. 68, No. 3. pp. 841-849.
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