• Stéphane Noble and Dipen Shah.
• Service de cardiologie, HUG, 1211 Genève 14. stephane.noble@hcuge.ch
• Rev Med Suisse. 2006 May 24; 2 (67): 1406, 1408-11.

AbstractPatients with ventricular tachycardia (VT) are subject to frequent recurrences despite antiarrhythmic drug therapy. Radiofrequency ablation is a useful alternative. Implantable defibrillators terminate episodes of VT but do not prevent them. The efficacy of catheter ablation depends on the cause and location of VT. There are two situations: VT in patients without identifiable structural heart disease or idiopathic VT and VT related to structural heart disease. After catheter ablation, idiopathic VT has a good prognosis and implantable defibrillators are usually not indicated. Scar-related VT are more difficult to treat with catheter ablation, but this technique is particularly useful for controlling frequent defibrillator shocks and incessant VT.

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