Geometrical difference between an ascending aneurysm and a root aneurysm in valve-sparing operations

The Japanese Journal of Thoracic and Cardiovascular Surgery : Official Publication of the Japanese Association for Thoracic Surgery = Nihon Kyōbu Geka Gakkai Zasshi
S OhtsuboM Natsuaki

Abstract

The aortic root geometry of the leaflet size and coaptation in an ascending aortic aneurysm, and in a root aneurysm, may predict the early and late outcomes from valve-sparing surgery. The aortic root was investigated using intraoperative endoscopy before and after valve-sparing root reconstruction. The definition of 'root aneurysm' was marked sinus dilatation proximal to the sinotubular junction. 'Ascending aneurysm' was defined as dominant dilatation distal from the sinotubular junction. Fifteen cases were examined and classified into two groups; Group A with an ascending aneurysm (four patients), and Group R with a root aneurysm (eleven patients). Cusp prolapse was seen in 10 (90.9%) patients of Group R, and in only one (25%) patient of Group A. The length of the free margin of all cusps in Group R was significantly longer than those in Group A. In Group R, the lengths of the free margin of an individual cusp were significantly different, indicating asymmetric cusps. In Group A, the length of the free margin were similar, indicating symmetric cusps. There was no significant difference in the degree of immediate postoperative aortic insufficiency, between the two groups. At the most recent follow-up, progressive aortic insuff...Continue Reading

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Citations

Oct 9, 2004·Ultrastructural Pathology·Franca FerraraccioLucio Agozzino
Jul 26, 2006·Heart and Vessels·Lucio AgozzinoSalvatore Esposito

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