Pulmonary vein ostium geometry: analysis by magnetic resonance angiography.

@article{Wittkampf2003PulmonaryVO,
  title={Pulmonary vein ostium geometry: analysis by magnetic resonance angiography.},
  author={Fred Wittkampf and Evert-Jan Vonken and Richard Derksen and Peter Loh and Birgitta K. Velthuis and Eric F.D. Wever and Lucas V. A. Boersma and Benno W.J.M. Rensing and Maarten-Jan M. Cramer},
  journal={Circulation},
  year={2003},
  volume={107 1},
  pages={
          21-3
        }
}
BACKGROUND During a catheter ablation procedure for selective electrical isolation of pulmonary vein (PV) ostia, the size of these ostia is usually estimated using fluoroscopic angiography. This measurement may be misleading, however, because only the projected supero/inferior ostium diameters can be measured. In this study, we analyzed 3-dimensional magnetic resonance angiographic (MRA) images to measure the minimal and maximal cross-sectional diameter of PV ostia in relation to the diameter… CONTINUE READING

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