Benoit Scherrer1, Amara Majeed2, Onur Afacan1, Jolene M. Singh1, Simon K. Warfield1, and Stephen P. Sanders2
1Department of Radiology, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States, 2Departments of Cardiology and Pathology, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States
While the left ventricle (LV) myofiber architecture has been studied
extensively, there have been fewer studies of right ventricle (RV)
myofiber architecture, and there is no established convention for
reporting RV myofiber anatomy. Establishing the normal
RV myofiber architecture is critical to facilitate our understanding of
the impact of congenital microstructural defects in diseased hearts. In
this work, we fixed a juvenile swine heart and imaged it with magnetic
resonance diffusion compartment imaging (MR-DCI).
We describe the detailed myofiber pattern of the RV with both MR-DCI
and stained histological microscopy, and propose a standardized
convention for describing the myofiber anatomy.
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