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Mitral annulus reconstruction is now a common surgical procedure for the treatment of mitral regurgitation. However, there are still controversies in the selection of materials for annuloplasty in the clinical controlled studies available. The purpose of the present systematic review of the literature is to address whether a flexible ring is superior to a rigid ring in terms of improvement in clinical and echocardiographic outcomes.

Systematic evaluation of the flexible and rigid annuloplasty ring after mitral valve repair for mitral regurgitation