Geometric perturbations in multiheaded papillary tip positions associated with acute ovine ischemic mitral regurgitation.

@article{Timek2015GeometricPI,
  title={Geometric perturbations in multiheaded papillary tip positions associated with acute ovine ischemic mitral regurgitation.},
  author={Tomasz A. Timek and David T. Lai and Wolfgang Bothe and David H. Liang and George T. Daughters and Neil B. Ingels and D. C. Miller},
  journal={The Journal of thoracic and cardiovascular surgery},
  year={2015},
  volume={150 1},
  pages={232-7}
}
BACKGROUND Novel surgical approaches are focusing on the "ventricular disease" of ischemic mitral regurgitation (IMR), to correct altered papillary muscle (PM) tip positions (apical displacement) and ameliorate leaflet tethering. Due to the anatomic complexity of the subvalvular apparatus, however, the precise geometric perturbations of the multiheaded PM tips associated with IMR remain uncharacterized. METHODS In 6 adult sheep, we implanted 3 markers on each PM. To specifically identify… CONTINUE READING
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