Radiofrequency catheter ablation as a cure for idiopathic tachycardia of both left and eight ventricular origin

Coggins, Dwain L.; Lee, Randall J.; Sweeney, John P.; Chein, Walter W.; Hare, George Van; Epstein, Laurence M.; González, Rolando; Griffin, Jerry C.; Lesh, Michael D.; Scheinman, Melvin M.

doi:10.1016/0735-1097(94)90375-1

Cited by 381 publications

(204 citation statements)

References 20 publications

Supporting

Mentioning

193

Contrasting

Unclassified

Order By: Relevance

“…The mean number of RF pulses in this study was 3.3Ϯ2.2, which is lower than the mean number of RF applications in most other large studies (varying between 5.5Ϯ7.7 and 8.1Ϯ11). 2,3,5,6 Mapping Phase 1 By comparing the VT QRS integral maps with the databases, the correct or an adjacent segment of VT origin could be identified in 14 of the 19 patients (74%). Thus, in most patients, body surface QRS integral mapping allowed for rapid initial localization of the region of interest.…”

Section: Discussion Integrated Three-phase Mapping Techniquementioning

confidence: 99%

“…However, the mean earliest activation time of the local ventricular signal or Purkinje potential in this study was 25Ϯ6 ms before the onset of the QRS complex on the surface ECG, which is in agreement with the findings reported in other studies. 1,3,4,6 …”

Section: Study Limitationsmentioning

confidence: 99%

“…8 -11 Several previous studies have described RF catheter ablation for idiopathic VT, and the success percentages varied from 69% to 94%. 2,3,5,6 Despite these promising results, mapping with a single catheter may still be cumbersome and timeconsuming, because large areas need to be explored in a sequential fashion. Furthermore, a point-to-point activation mapping approach may not be possible when initiation of the VT is difficult or not feasible at all.…”

mentioning

confidence: 99%

“…[1][2][3][4][5][6][7] The 2 most common types of idiopathic VT originate from the right ventricular outflow tract (RVOT) or apical posterior left ventricle (LV). 8 -11 Several previous studies have described RF catheter ablation for idiopathic VT, and the success percentages varied from 69% to 94%.…”

mentioning

confidence: 99%

See 3 more Smart Citations

Clinical Application of an Integrated 3-Phase Mapping Technique for Localization of the Site of Origin of Idiopathic Ventricular Tachycardia

et al. 1999

View full text Add to dashboard Cite

Background-Radiofrequency (RF) catheter ablation provides curative treatment for idiopathic ventricular tachycardia (VT). Methods and Results-Nineteen consecutive patients with an idiopathic VT underwent RF catheter ablation. An integrated 3-phase mapping approach was used, consisting of the successive application of online 62-lead body surface QRS integral mapping, directed regional paced body surface QRS integral mapping, and local activation sequence mapping.Mapping phase 1 was localization of the segment of VT origin by comparing the VT QRS integral map with a database of mean paced QRS integral maps. Mapping phase 2 was body surface pace mapping during sinus rhythm in the segment localized in phase 1 until the site at which the paced QRS integral map matched the VT QRS integral map was identified (ie, VT exit site). Mapping phase 3 was local activation sequence mapping at the circumscribed area identified in phase 2 to identify the site with the earliest local endocardial activation (ie, site of VT origin). This site became the ablation target. Ten VTs were ablated in the right ventricular outflow tract, 2 at the basal LV septum, and 7 at the midapical posterior left ventricle. A high long-term ablation success (mean follow-up duration, 14Ϯ9 months) was achieved in 17 of the 19 patients (89%) with a low number of RF pulses (mean, 3.3Ϯ2.2 pulses per patient). Conclusions-This prospective study shows that integrated 3-phase mapping for localization of the site of origin of idiopathic VT offers efficient and accurate localization of the target site for RF catheter ablation. (Circulation. 1999;99:1300-1311.)

show abstract

Section: Discussion Integrated Three-phase Mapping Techniquementioning

confidence: 99%

Section: Study Limitationsmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

See 2 more Smart Citations

Clinical Application of an Integrated 3-Phase Mapping Technique for Localization of the Site of Origin of Idiopathic Ventricular Tachycardia

et al. 1999

View full text Add to dashboard Cite

show abstract

“…The efficacy of the catheter ablation in the two most prevalent entities of "idiopathic" VT reaches 90% for the right outflow tract VT (Fig. 1) when data from several series are compiled 12,13,14,15,16 , and is even higher, close to 100%, for the VT from the region of posterior fascicle in the left ventricle (Fig. 2 …”

Section: Introductionmentioning

confidence: 99%