23Na microscopy of the mouse heart in vivo using density-weighted chemical shift imaging

T. Neuberger, A. Greiser, M. Nahrendorf, P. M. Jakob, C. Faber, A. G. Webb

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The mouse has become an important animal model for human cardiac disease, and the development of techniques for non-invasive imaging of the mouse heart in vivo is, therefore, of great potential interest. Previous magnetic resonance imaging studies have concentrated on pathologically induced changes in cardiac structure and dynamics by acquiring proton images. Further information can be gained by studying cardiac function and physiology using other nuclei, for example, sodium. Sodium imaging of such a small structure presents considerable technical challenges. In this work we show the first sodium images of the mouse heart, with an isotropic spatial resolution of 1 x 1 x 1 mm, acquired in a time of 1.5 h. The ventricles, septum and myocardium are readily distinguishable in these images, which were acquired through the combination of 3D density-weighted chemical shift imaging, optimized instrumentation, and a high magnetic field strength (17.6T). Measurements of the myocardial:blood sodium concentration in the left and right ventricles agree well with theoretical values.

Original languageEnglish (US)
Pages (from-to)196-200
Number of pages5
JournalMagnetic Resonance Materials in Physics, Biology and Medicine
Volume17
Issue number3-6
DOIs
StatePublished - Dec 1 2004

Fingerprint

Microscopy
Sodium
Magnetic Resonance Imaging
Heart Ventricles
Magnetic Fields
Protons
Heart Diseases
Myocardium
Animal Models

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

Cite this

Neuberger, T. ; Greiser, A. ; Nahrendorf, M. ; Jakob, P. M. ; Faber, C. ; Webb, A. G. / 23Na microscopy of the mouse heart in vivo using density-weighted chemical shift imaging. In: Magnetic Resonance Materials in Physics, Biology and Medicine. 2004 ; Vol. 17, No. 3-6. pp. 196-200.
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23Na microscopy of the mouse heart in vivo using density-weighted chemical shift imaging. / Neuberger, T.; Greiser, A.; Nahrendorf, M.; Jakob, P. M.; Faber, C.; Webb, A. G.

In: Magnetic Resonance Materials in Physics, Biology and Medicine, Vol. 17, No. 3-6, 01.12.2004, p. 196-200.

Research output: Contribution to journalArticle

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