A four-dimensional study of the aortic root dynamics.

@article{Lansac2002AFS,
  title={A four-dimensional study of the aortic root dynamics.},
  author={Emmanuel Lansac and Hou Sen Lim and Yu Shomura and Khee Hiang Lim and Nolan T Rice and Wolfgang Goetz and Christophe Acar and Carlos M G Dur{\'a}n},
  journal={European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery},
  year={2002},
  volume={22 4},
  pages={497-503}
}
OBJECTIVE Although aortic root expansion has been well studied, its deformation and physiologic relevance remain controversial. Three-dimensional (3-D) sonomicrometry (200Hz) has made time-related 4-D study possible. METHODS Fifteen sonomicrometric crystals were implanted into the aortic root of eight sheep at each base (three), commissures (three), sinuses of Valsalva (three), sinotubular junction (three), and ascending aorta (three). In this acute, open-chest model, the aortic root… CONTINUE READING

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