Saddle-Shaped Mitral Valve Annuloplasty Rings Experience Lower Forces Compared With Flat Rings | Zendy

Morten Ø. Jensen | Zendy; Henrik Jensen | Zendy; Morten Smerup | Zendy; Robert A. Levine | Zendy; Ajit P. Yoganathan | Zendy; Hans Nygaard | Zendy; J. Michael Hasenkam | Zendy; Sten Lyager Nielsen | Zendy

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Saddle-Shaped Mitral Valve Annuloplasty Rings Experience Lower Forces Compared With Flat Rings

Author(s) -

Morten Ø. Jensen,

Henrik Jensen,

Morten Smerup,

Robert A. Levine,

Ajit P. Yoganathan,

Hans Nygaard,

J. Michael Hasenkam,

Sten Lyager Nielsen

Publication year - 2008

Publication title -

circulation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.795

H-Index - 607

eISSN - 1524-4539

pISSN - 0009-7322

DOI - 10.1161/circulationaha.107.746776

Subject(s) - medicine , mitral valve , saddle , cardiology , anatomy , structural engineering , engineering

New insight into the 3D dynamic behavior of the mitral valve has prompted a reevaluation of annuloplasty ring designs. Force balance analysis indicates correlation between annulus forces and stresses in leaflets and chords. Improving this stress distribution can intuitively enhance the durability of mitral valve repair. We tested the hypothesis that saddle-shaped annuloplasty rings have superior uniform systolic force distribution compared with a nonuniform force distribution in flat annuloplasty rings.

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