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Dinov, Borislav; Fiedler, Lukas; Schönbauer, Robert; Bollmann, Andreas; Rolf, Sascha; Piorkowski, Christopher; Hindricks, Gerhard; Arya, Arash

Outcomes in Catheter Ablation of Ventricular Tachycardia in Dilated Nonischemic Cardiomyopathy Compared With Ischemic Cardiomyopathy : Results From the Prospective Heart Centre of Leipzig VT (HELP-VT) Study : Results From the Prospective Heart Centre of Leipzig VT (HELP-VT) Study

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  • Medientyp: E-Artikel
  • Titel: Outcomes in Catheter Ablation of Ventricular Tachycardia in Dilated Nonischemic Cardiomyopathy Compared With Ischemic Cardiomyopathy : Results From the Prospective Heart Centre of Leipzig VT (HELP-VT) Study : Results From the Prospective Heart Centre of Leipzig VT (HELP-VT) Study
  • Beteiligte: Dinov, Borislav; Fiedler, Lukas; Schönbauer, Robert; Bollmann, Andreas; Rolf, Sascha; Piorkowski, Christopher; Hindricks, Gerhard; Arya, Arash
  • Erschienen: Ovid Technologies (Wolters Kluwer Health), 2014
  • Erschienen in: Circulation
  • Sprache: Englisch
  • DOI: 10.1161/circulationaha.113.003063
  • ISSN: 0009-7322; 1524-4539
  • Schlagwörter: Physiology (medical) ; Cardiology and Cardiovascular Medicine
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:sec> <jats:title>Background—</jats:title> <jats:p>Data on the outcomes of ventricular tachycardia (VT) ablation in nonischemic dilated cardiomyopathy (NIDCM) are insufficient. The Heart Center of Leipzig VT (HELP-VT) study was conducted prospectively to compare outcomes after radiofrequency catheter ablation of VT in patients with NIDCM compared with ischemic cardiomyopathy (ICM).</jats:p> </jats:sec> <jats:sec> <jats:title>Methods and Results—</jats:title> <jats:p> Two hundred twenty-seven patients, 63 with NIDCM and 164 with ICM, presenting with sustained VT were ablated with radiofrequency catheter ablation. Noninducibility of any clinical and nonclinical VT was achieved in 66.7% of NIDCM and in 77.4% of ICM patients. Ablation of the clinical VT only was achieved in 18.3% of ICM and in 22.2% of NIDCM patients. There was no statistically significant difference in short-term outcomes between the 2 groups. At the 1-year follow-up, VT-free survival in NIDCM was 40.5% compared with 57% in ICM. In univariate analysis, the hazard ratio for VT recurrence was significantly higher for NIDCM (1.62; 95% confidence interval, 1.12– 2.34; <jats:italic>P</jats:italic> =0.01). In both the ICM and NIDCM subgroups, procedure failure and incomplete procedural success were independent predictors of VT recurrence. </jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions—</jats:title> <jats:p>Although the short-term success rates after VT ablation in NIDCM and ICM patients were similar, the long-term outcomes in NIDCM patients were significantly worse. Complete VT noninducibility at the end of the ablation is associated with beneficial long-term outcome in NIDCM. Pursuing compete elimination of all inducible VTs is desirable and may improve the long-term success in NIDCM.</jats:p> </jats:sec>
  • Zugangsstatus: Freier Zugang