scholarly journals Epicardial Radiofrequency Catheter Ablation of Ventricular Tachycardia in the Vicinity of Coronary Arteries Is Facilitated by Fusion of 3-Dimensional Electroanatomical Mapping With Multislice Computed Tomography

Circulation ◽  
2006 ◽  
Vol 114 (3) ◽  
Author(s):  
Katja Zeppenfeld ◽  
Laurens F. Tops ◽  
Jeroen J. Bax ◽  
Martin J. Schalij
Keyword(s):  
Computed Tomography ◽  
Ventricular Tachycardia ◽  
Catheter Ablation ◽  
Coronary Arteries ◽  
Radiofrequency Catheter Ablation ◽  
Multislice Computed Tomography ◽  
Electroanatomical Mapping ◽  
3 Dimensional

Fusion of multislice computed tomography imaging with three-dimensional electroanatomic mapping to guide radiofrequency catheter ablation procedures

Heart Rhythm ◽  
2005 ◽  
Vol 2 (10) ◽  
pp. 1076-1081 ◽  
Author(s):  
Laurens F. Tops ◽  
Jeroen J. Bax ◽  
Katja Zeppenfeld ◽  
Monique R.M. Jongbloed ◽  
Hildo J. Lamb ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Catheter Ablation ◽  
Radiofrequency Catheter Ablation ◽  
Multislice Computed Tomography ◽  
Three Dimensional ◽  
Electroanatomic Mapping ◽  
Computed Tomography Imaging ◽  
Tomography Imaging

Fusion of multislice computed tomography and electroanatomical mapping data for 3D navigation of left and right atrial catheter ablation

2008 ◽  
Vol 68 (3) ◽  
pp. 456-464 ◽  
Author(s):  
Gudrun M. Feuchtner ◽  
Wolfgang Dichtl ◽  
Tony DeFrance ◽  
Markus Stühlinger ◽  
Andrea Klauser ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Catheter Ablation ◽  
Multislice Computed Tomography ◽  
Right Atrial ◽  
Electroanatomical Mapping ◽  
Mapping Data ◽  
3D Navigation ◽  
Atrial Catheter ◽  
Left And Right

scholarly journals Rotational Activation Pattern During Functional Substrate Mapping: Novel Target for Catheter Ablation of Scar-Related Ventricular Tachycardia

2021 ◽  
Author(s):  
Masayuki Hattori ◽  
Yuki Komatsu ◽  
Qasim J. Naeemah ◽  
Yuichi Hanaki ◽  
Noboru Ichihara ◽  
...  
Keyword(s):  
Ventricular Tachycardia ◽  
Catheter Ablation ◽  
Sinus Rhythm ◽  
Radiofrequency Catheter Ablation ◽  
Critical Zone ◽  
Activation Pattern ◽  
3 Dimensional ◽  
Wavefront Propagation ◽  
Mapping System ◽  
Novel Target

Background: Recent advancements in a 3-dimensional mapping system allow for the assessment of detailed conduction properties during sinus rhythm and thus the establishment of a strategy targeting functionally abnormal regions in scar-related ventricular tachycardia (VT). We hypothesized that a rotational activation pattern (RAP) observed in maps during baseline rhythm was associated with the critical location of VT. Methods: We retrospectively examined the pattern of wavefront propagation during sinus rhythm in patients with scar-related VT. The prevalence and features of the RAP on critical VT circuits were analyzed. RAP was defined as >90° of inward curvature directly above or at the edge of the slow conductive areas. Results: Forty-five VTs in 37 patients (66±15 years old, 89% male, 27% ischemic heart disease) were evaluated. High-density substrate mapping during sinus rhythm (median, 2524 points) was performed using the CARTO3 system before VT induction. Critical sites for reentry were identified by direct termination by radiofrequency catheter ablation in 21 VTs or by pace mapping in 12 VTs. Among them, RAP was present in 70% of the 33 VTs. Four VTs had no RAP at the critical sites during sinus rhythm, but it became visible in the mappings with different wavefront directions. Six VTs, in which intramural or epicardial isthmus was suspected, were rendered noninducible by radiofrequency catheter ablation to the endocardial surface without RAP. RAP had a sensitivity and specificity of 70% and 89%, respectively, for predicting the elements in the critical zone for VT. Conclusions: The critical zone of VT appears to correspond to an area characterized by the RAP with slow conduction during sinus rhythm, which facilitates targeting areas specific for reentry. However, this may not be applicable to intramural VT substrates and might be affected by the direction of wavefront propagation to the scar during mapping.

Real-time integration of intracardiac echocardiography and multislice computed tomography to guide radiofrequency catheter ablation for atrial fibrillation

Heart Rhythm ◽  
2008 ◽  
Vol 5 (10) ◽  
pp. 1403-1410 ◽  
Author(s):  
Dennis W. den Uijl ◽  
Laurens F. Tops ◽  
José M. Tolosana ◽  
Joanne D. Schuijf ◽  
Serge A.I.P. Trines ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Atrial Fibrillation ◽  
Catheter Ablation ◽  
Real Time ◽  
Radiofrequency Catheter Ablation ◽  
Multislice Computed Tomography ◽  
Time Integration ◽  
Intracardiac Echocardiography
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