Key result
Mitral valve annuloplasty using either a complete rigid ring or incomplete flexible band reduced mitral annulus area and resulted in a planar shape compared to pre-surgery.
Why the study?
Does mitral valve repair with annuloplasty alter mitral annulus dynamic morphology in patients with mitral valve prolapse compared to normal subjects, and does the ring type affect these changes?
Cohort (n=64)
Does mitral valve repair with annuloplasty alter mitral annulus dynamic morphology in patients with mitral valve prolapse compared to normal subjects, and does the ring type affect these changes?
Following mitral valve repair for prolapse, the undersizing of the mitral annulus dimensions, rather than the specific type of annuloplasty ring used, is the primary determinant of postoperative annulus function.
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Undersizing drives post-repair annulus changes more than ring type; leaves open whether morphology affects durability in prolapse repair.
Caiani et al. (2011) conducted a cohort in Organic mitral valve prolapse (n=64). Mitral valve repair with annuloplasty (complete rigid ring or incomplete flexible band) vs. Normal subjects and pre-surgery baseline was evaluated on Mitral annulus dynamic morphology (area, height, planarity). Mitral valve annuloplasty using either a complete rigid ring or incomplete flexible band reduced mitral annulus area and resulted in a planar shape compared to pre-surgery.
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