| Autor: |
GUREVITZ, OSNAT T., GLIKSON, MICHAEL, ASIRVATHAM, SAMUEL, KESTER, TAMMY A., GRICE, SUELLEN K., MUNGER, THOMAS M., REA, ROBERT F., SHEN, WIN‐KUANG, JAHANGIR, ARSHAD, PACKER, DOUGLAS L., HAMMILL, STEPHEN C., FRIEDMAN, PAUL A. |
| Předmět: |
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| Zdroj: |
Pacing & Clinical Electrophysiology; Apr2005, Vol. 28 Issue 4, p316-323, 8p, 1 Chart, 2 Graphs |
| Abstrakt: |
GUREVITZ, O.T.,et al.: Use of Advanced Mapping Systems to Guide Ablation in Complex Cases: Experience with Noncontact Mapping and Electroanatomic Mapping Systems. Objective:This report describes our experience with noncontact mapping and electroanatomic mapping in complex ablations, which are defined as ablations done after failure of conventional ablation.Material and Methods:Patients were included (N= 68; 49% with structural heart disease) in whom previous ablation failed and in whom a second procedure was done with advanced mapping. Non-contact mapping was used in 17 patients, electroanatomic mapping in 36, and both noncontact and electroanatomic mapping in 15. Arrhythmias included focal atrial tachycardia (n= 16), reentrant atrial tachycardia (n= 14), right ventricular outflow tachycardia (n= 10), post-myocardial infarction ventricular tachycardia (n= 9), and others (n= 19).Results:Acute success at the second ablation was achieved in 79% of patients. At 20± 9 months after the procedure, 69% of these patients reported having significantly fewer symptoms than before the second ablation, and 51% were free of symptoms. Only 16% were using antiarrhythmic medications. Complications included a small pericardial effusion in two patients, hypotension in one patient, and a femoral pseudoaneurysm in another.Conclusions:Advanced mapping is a useful and safe adjunct for catheter ablation after ablation has failed in patients with complex substrate.(PACE 2005; 28:316–323) [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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