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Keywords:
Cardiac, MR, Imaging sequences, Hyperplasia / Hypertrophy
Authors:
A. Zidi, M. elherfi, R. A. Aoiuni; Tunis/TN
DOI:
10.1594/ecr2017/C-2794
Methods and materials
This prospective study carried out from 2011 to 2013,
has included 30 patients with primary HCM confirmed on cardiac MRI or suspected on ultrasound.
The MRI analysis included a descriptive morphological study of HCM (fig.
1),
a study of the obstructive character,
a search for abnormalities of the valvular and sub-valvular apparatus.
The left ventricle has been explored by cardiac MRI with cine-acquisition.
It is the multiplanar study that allows a quasi-three-dimensional study of the pillars.
Obstructive character was diagnosed on turbulence in hyposignal within the aortic chamber,
within the ventricular cavity,
and on anterior systolic movement of the mitral valve.
The study of the mitral apparatus relates to the analysis of the length of the large and the small mitral valves.
It also seeks mitral reg.
The study of the sub-valvular apparatus seeks for an abnormality of the pillars: number,
morphological anomaly,
and insertion anomaly (fig.
2).