title: Catheter ablation of ventricular tachycardia related to a septo-apical left ventricular aneurysm.
abstract: A 60-year-old male patient with previous myocardial infarction (30 years ago) presented to our cardiology department for sustained monomorphic ventricular tachycardia. The patient presented multiple episodes of tachycardia treated by his internal cardiac defibrillator. Radiofrequency ablation was proposed as curative treatment. The mechanism of the ventricular tachycardia was demonstrated by electrophysiological study using three-dimensional mapping system: Carto 3 (Biosense Webster). Ventricular tachycardia was induced either mechanically or by programmed ventricular stimulation. The tachycardia cycle length was 380 msec. The voltage map confirmed the presence of the septo-apical aneurysm with a local voltage < 0.5 mV. Activation mapping revealed a figure-in-8 circuit of VT with the entrance point inside the dense scar and the exit point at the border zone (between the aneurysm and the healthy tissue of the left ventricular septo-apical region). Radiofrequency energy was delivered at the isthmus of the tachycardia rendering it uniducible by programmed ventricular stimulation.
authors.affiliation: Department of Cardiology, Rehabilitation Hospital, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca 400347, Romania.
authors.forename: Radu
authors.initials: R
authors.lastname: Rosu
authors.affiliation: Department of Cardiology, Rehabilitation Hospital, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca 400347, Romania.
authors.forename: Gabriel
authors.initials: G
authors.lastname: Cismaru
authors.affiliation: Department of Cardiology, Rehabilitation Hospital, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca 400347, Romania.
authors.forename: Lucian
authors.initials: L
authors.lastname: Muresan
authors.affiliation: Department of Cardiology, Rehabilitation Hospital, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca 400347, Romania.
authors.forename: Mihai
authors.initials: M
authors.lastname: Puiu
authors.affiliation: Department of Electrophysiology, Institut Lorrain du Coeur et des Vaisseaux, University Hospital Nancy, France.
authors.forename: Marius
authors.initials: M
authors.lastname: Andronache
authors.affiliation: Department of Cardiology, Rehabilitation Hospital, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca 400347, Romania.
authors.forename: Gabriel
authors.initials: G
authors.lastname: Gusetu
authors.affiliation: Department of Cardiology, Rehabilitation Hospital, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca 400347, Romania.
authors.forename: Dana
authors.initials: D
authors.lastname: Pop
authors.affiliation: Medical Clinic No 1, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca 400347, Romania.
authors.forename: Petru-Adrian
authors.initials: PA
authors.lastname: Mircea
authors.affiliation: Department of Cardiology, Rehabilitation Hospital, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca 400347, Romania.
authors.forename: Dumitru
authors.initials: D
authors.lastname: Zdrenghea
keywords: Catheter ablation; aneurysm; defibrillator; three dimensional mapping; ventricular tachycardia