Rigid, Complete Annuloplasty Rings Increase Anterior Mitral Leaflet Strains in the Normal Beating Ovine Heart


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Bothe W., Kuhl E., Kvitting J., Rausch M., GÖKTEPE S., Swanson J., ...More

CIRCULATION, vol.124, no.11, 2011 (Peer-Reviewed Journal) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 124 Issue: 11
  • Publication Date: 2011
  • Doi Number: 10.1161/circulationaha.110.011163
  • Journal Name: CIRCULATION
  • Journal Indexes: Science Citation Index Expanded, Scopus
  • Keywords: mitral valve, physiology, mitral valve insufficiency, general surgery, SADDLE-SHAPED ANNULUS, IN-VITRO, VALVE, CURVATURE, REGURGITATION, GEOMETRY, STRESS

Abstract

Background-Annuloplasty ring or band implantation during surgical mitral valve repair perturbs mitral annular dimensions, dynamics, and shape, which have been associated with changes in anterior mitral leaflet (AML) strain patterns and suboptimal long-term repair durability. We hypothesized that rigid rings with nonphysiological three-dimensional shapes, but not saddle-shaped rigid rings or flexible bands, increase AML strains.