Relationship of elevated 23Na magnetic resonance image intensity to infarct size after acute reperfused myocardial infarction.

  title={Relationship of elevated 23Na magnetic resonance image intensity to infarct size after acute reperfused myocardial infarction.},
  author={Raymond J. Kim and Robert M. Judd and Enn-ling Chen and David S. Fieno and Todd Parrish and Joao A. C. Lima},
  volume={100 2},
BACKGROUND Elevated 23Na MR image intensity after acute myocardial infarction has previously been shown to correspond to high tissue [Na+] and loss of myocardial viability. In this study, we explored the potential of in vivo 23Na MRI to assess infarct size and investigated possible mechanisms for elevated 23Na image intensity. METHODS AND RESULTS Thirteen dogs and 8 rabbits underwent in situ coronary artery occlusion and reperfusion and were imaged by 23Na MRI. For anatomically matched left… 

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