Substrate mapping strategies for successful ablation of ventricular tachycardia: A review
Catheter ablation of ventricular tachycardia (VT) currently has an important role in the treatment of incessant ventricular tachycardia and reduction of the number of episodes of recurrent ventricular tachycardia. Conventional mapping techniques require ongoing tachycardia and haemodynamic stability during the procedure. However, in many patients with scar-related ventricular tachycardia, non-inducibility of clinical tachycardia, poor induction reproducibility, haemodynamic instability, and multiple ventricular tachycardias with frequent spontaneous changes of morphology, preclude tachycardia mapping. To overcome these limitations, new strategies for mapping and ablation in sinus rhythm (SR) - substrate mapping strategies - have been developed and are currently used by many centres. This review summarizes the progresses recently achieved in the ablative treatment of ventricular tachycardia using a substrate mapping approach in patients with structural heart disease.
Main Authors: | Vergara,Pasquale, Roque,Carla, Oloriz,Teresa, Mazzone,Patrizio, Della Bella,Paolo |
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Format: | Digital revista |
Language: | English |
Published: |
Instituto Nacional de Cardiología Ignacio Chávez
2013
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Online Access: | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-99402013000200005 |
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