Whole Heart Free-breathing Extracellular Volume Mapping at 3.0 Tesla

Extracellular volume fraction (ECV) of the myocardium can provide a quantitative measure for cardiomyopathies. In our research we propose the use of a free breathing T1-mapping method combined with dedicated post processing to acquire whole heart ECV maps based on native and post contrast T1-maps. We compared this method to the MOLLI T1-mapping method, and found a non-significant bias towards higher ECV for our method. The proposed method facilitates whole heart ECV mapping in the same amount of time as MOLLI, however it circumvents the need for multiple breath holds, making it more suitable for patients.

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