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Double VTs associated with an anatomical isthmus identified by a CT-derived channel
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  • Masateru Takigawa,
  • Ruairidh Martin,
  • Takeshi Kitamura,
  • Hubert Cochet,
  • Frederic Sacher,
  • Pierre Jais
Masateru Takigawa
LIRYC institute, Université de Bordeaux, Centre Hospitalier universitaire de Bordeaux, France

Corresponding Author:[email protected]

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Ruairidh Martin
Hopital Haut-Leveque
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Takeshi Kitamura
IHU LIRYC, University of Bordeaux, CHU de Bordeaux
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Hubert Cochet
CHU / Université de Bordeaux
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Frederic Sacher
Bordeaux University Hospital
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Pierre Jais
LIRYC institute, Université de Bordeaux, Centre Hospitalier universitaire de Bordeaux, France
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Abstract

We demonstrated a 47 year-old woman with ischemic-VT with repetitive ICD-shocks, requiring ablation. Pre-procedural CT demonstrated a single anatomical channel on the inferior-basal infarcted area between <3mm wall thinning area and the mitral annulus, which suggested the circuit of two VTs observed. Additionally, distribution of <2mm and <3mm scars can explain the mechanism of the variation of QRS morphology and S-QRS interval during entrainment. Ablation on this region resulted in no VT- inducibility and absence of any VTs for 2yrs. CT wall thinning data may allow us to understand the mechanism and circuit of VT and aid VT ablation procedures.
21 Jun 2020Submitted to Journal of Cardiovascular Electrophysiology
22 Jun 2020Submission Checks Completed
22 Jun 2020Assigned to Editor
22 Jun 2020Reviewer(s) Assigned
08 Jul 2020Review(s) Completed, Editorial Evaluation Pending
08 Jul 2020Editorial Decision: Revise Minor
20 Jul 20201st Revision Received
21 Jul 2020Submission Checks Completed
21 Jul 2020Assigned to Editor
21 Jul 2020Reviewer(s) Assigned
06 Aug 2020Review(s) Completed, Editorial Evaluation Pending
06 Aug 2020Editorial Decision: Accept
05 Sep 2020Published in Journal of Cardiovascular Electrophysiology. 10.1111/jce.14735