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MR imaging is uniquely placed to non-invasively study rodent cardiac structure and function. High-field MR scanners commonly have a vertical bore, and the purpose of this work was to demonstrate CINE-MR imaging in normal and infarcted rat hearts after determining hemodynamic stability when positioned vertically for imaging. Optimisation of imaging parameters was carried out prior to assessment of cardiac function in a group of normal and infarcted rat hearts. Rat hemodynamics were unaltered when vertical for 90 minutes, compared with horizontal measurements and rat cardiac parameters were measured accurately and reproducibly with our optimized CINE-MR protocol. A flip angle of 17.5 degrees was shown to provide optimal contrast for the assessment of structure and function, and, in contrast to our findings in mice, respiratory gating was not found to be essential. Hence, we conclude that vertical bore MR systems can be used to measure in vivo cardiac function in normal and infarcted rat hearts.

Original publication




Journal article


J Cardiovasc Magn Reson

Publication Date





327 - 333


Analysis of Variance, Animals, Heart, Hemodynamics, Image Enhancement, Image Interpretation, Computer-Assisted, Magnetic Resonance Imaging, Cine, Male, Myocardial Infarction, Rats, Rats, Wistar, Reproducibility of Results