Restoring papillary muscle dimensions during restoration in dilated hearts.

  title={Restoring papillary muscle dimensions during restoration in dilated hearts.},
  author={Gerald D. Buckberg and Lorenzo A Menicanti and S{\'e}rgio Almeida de Oliveira and Tadashi Isomura},
  journal={Interactive cardiovascular and thoracic surgery},
  volume={4 5},
Left ventricular papillary muscle geometry is distorted in dilated non-ischemic hearts, and following anterior infarction caused by a wrap around left anterior descending artery occlusion. Loss of the apex creates a spherical left ventricular (LV) chamber, and subsequent dilation causes secondary mitral insufficiency by stretching the annulus, altering tethering of the chords and widening the dimension between the bases of papillary muscles to impair leaflet coaptation. This report will… CONTINUE READING

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