title: Downward Displacement of the Aortic Annulus: Case Report and Literature Review.
abstract: 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.
authors.affiliation: Department of Cardiothoracic Surgery, The First Affiliated Hospital of Guangxi Traditional Chinese Medical University, Nanning, People's Republic of China.
authors.forename: Ansheng
authors.initials: A
authors.lastname: Mo