Key result
Flexible annuloplasty rings correct mitral dilation but lack the fixed height-to-width remodeling of rigid rings.
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When Carpentier introduced his breakthrough mitral valve (MV) reconstruction techniques in the 1970s, a key component was the placement of a rigid annuloplasty ring that would fix the MV into its kidney-shaped geometry and systolic dimensions.1-3 In 1978, after his initial experience with more than 200 repairs using the rigid annuloplasty ring, Duran introduced a flexible ring (Duran AnCore Annuloplasty System; Medtronic, Minneapolis, Minn).4 The flexible ring “corrected” MV annular dilation but did not provide fixed height/width (Ht:W) “remodeling” as advocated by Carpentier.
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James et al. (2021) conducted a review in Mitral valve annular dilation. Flexible annuloplasty ring vs. Rigid annuloplasty ring was evaluated. Flexible annuloplasty rings corrected mitral valve annular dilation but did not provide the fixed height-to-width remodeling achieved by rigid annuloplasty rings.
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