Number needed to entrain: a new criterion for entrainment mapping in patients with intra-atrial reentrant tachycardia.

@article{Maruyama2014NumberNT,
  title={Number needed to entrain: a new criterion for entrainment mapping in patients with intra-atrial reentrant tachycardia.},
  author={Mitsunori Maruyama and Teppei Yamamoto and Junko Abe and Kenji Yodogawa and Yoshihiko Seino and Hirotsugu Atarashi and Wataru Shimizu},
  journal={Circulation. Arrhythmia and electrophysiology},
  year={2014},
  volume={7 3},
  pages={490-6}
}
BACKGROUND Measuring postpacing intervals (PPIs) is the standard maneuver for localizing reentrant tachycardia circuits. However, changes or termination of the tachycardia during entrainment pacing, or difficulties in defining the correct local activity, limit the use of PPIs. METHODS AND RESULTS We hypothesized that the number of pacing stimuli needed to entrain (NNE) was useful for mapping intra-atrial reentrant tachycardias. First, 10 patients with typical atrial flutter were studied to… CONTINUE READING
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