Clin Res Cardiol 101, Suppl 1, April 2012

V104 - Catheter Ablation of Ventricular Tachycardia in Patients without Structural Heart Disease: Long-term Results from the Prospective German Ablation Registry
T. Arentz1, K.-H. Kuck2, L. Eckardt3, B. Schumacher4, D. Andresen5, B.-D. Gonska6, C. Reithmann7, R. Becker8, J. Brachmann9, T. Lewalter10, M. Horack11, J. Senges11
1Rhythmologie, Herzzentrum Bad Krozingen, Bad Krozingen; 2II. Medizinische Abteilung, Fachabt. Kardiologie, Asklepios Klinik St. Georg, Hanseatisches Herzzentrum Hamburg, Hamburg; 3Department für Kardiologie und Angiologie, Universitätsklinikum Münster, Münster; 4Med. Klinik II, Westpfalz-Klinikum GmbH, Kaiserslautern; 5Klinik für Innere Medizin, Kardiologie u. konserv. Intensivmed., Vivantes Klinikum Am Urban, Berlin; 6Med. Klinik III, Kardiologie, St. Vincentius-Kliniken gAG, Karlsruhe; 7Medizinische Klinik I, Kardiologie, Kliniken München Pasing und Perlach GmbH, Klinikum München Pasing, München; 8Innere Med. III, Kardiologie, Angiologie u. Pneumologie, Universitätsklinikum Heidelberg, Heidelberg; 9II. Medizinische Klinik - Kardiologie, Angiologie, Pneumologie, Klinikum Coburg, Coburg; 10Klinik für Kardiologie und internistische Intensivmedizin, Isarkliniken GmbH, München; 11Institut für Herzinfarktforschung Ludwigshafen an der Universität Heidelberg, Ludwigshafen;
Background: Data after catheter ablation of ventricular tachycardia (VT) in patients without structural heart disease are rare. This is the report of the prospective German Ablation registry. 
Methods: From march 2007 until may 2010, 191 interventions for idiopathic VT (male 60.2%, age 53 (43-63) years) were prospectively included in the registry. 27 Patients had an ICD implanted prior to the VT ablation. Centralized data monitoring and Follow-up (FU) after 603 (536-791) days, were performed by the “Institut für Herzinfarktforschung Ludwigshafen”. 
Results: VT originated from the RVOT in 69.6%, LVOT in 25.6%, and fascicular VT was found in 8.3% of patients. 52.9% and 43.7% of VT ablations were performed under use of a 3D-mapping system and irrigated RF catheter, respectively. The total RF duration was 6.2 (3-12.8) minutes. The total procedure and fluorotimes were 135 (98-200) and 15 (7-27) minutes, respectively. The following complications occurred: femoral aneurysm/fistula 2, pericardial effusion 1 and pulmonary embolism 1. 
The primary (immediate) procedural success rate was 81.4%. VT recurred during the 2-year FU period in 37.8% of patients.  77.9% of the patients reported a significant improvement of symptoms over the FU period; in 22.1% symptoms were unchanged.  No patient reported aggravation of symptoms. No late complications or sudden cardiac deaths were observed during the FU period. However, 3 patients survived after reanimation, an ICD was implanted in 8 patients after VT ablation.
Conclusions: Catheter ablation of idiopathic VT is an effective treatment with a low complication rate.  Surprisingly, 35 patients underwent ICD implantation.
Clin Res Cardiol 101, Suppl 1, April 2012
Zitierung mit Vortrags- oder Posternummer s.o.
DOI 10.1007/s00392-012-1100-6