J Heart Valve Dis. 2015 Nov;24(6):707-710.
The Journal of heart valve disease
Ansheng Mo
PMID: 27997775
Downward displacement of the aortic annulus is a very rare cardiac malformation, the etiology of which is not fully understood, while the surgical methods used for its correction are inconsistent. Herein is described a case of downward displacement of the aortic annulus, together with a review of the current relevant literature on the subject.