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Abstract #4793

Magnetic resonance imaging of the right ventricle: a simple scheme for self-correction of partial volume effect

Bård Andre Bendiksen1,2, Lili Zhang1,2, Ivar Sjaastad1,2, and Emil Knut Stenersen Espe1,2

1Institute for Experimental Medical Research, Oslo University Hospital, Oslo, Norway, 2KG Jebsen Center for Cardiac Research, University of Oslo, Oslo, Norway

Magnetic resonance imaging (MRI) of the right ventricle (RV) offers important diagnostic information. However, analysis of RV MRI images is hampered by the crescent shape of the RV. In particular, pixels at the blood-myocardium border may contain signal from both blood and myocardium, hindering accurate analysis of ventricular volumes or mass. Here, we propose an easily implementable correction algorithm for analysis of standard CINE MRI image stacks, without the need for special acquisition. The proposed algorithm offers improved accuracy, in addition to more consistent RV mass estimates from CINE images of the heart in end systole and end diastole.

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