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The implantable cardioverter defibrillator (ICD) has emerged as an accepted therapy for prevention of sudden cardiac death due to ventricular arrhythmias in selected groups of high-risk patients, however, it cannot prevent the ventricular arrhythmias. ICD shocks are painful, reduce the quality of life, and spontaneous episodes of ventricular tachycardia (VT) despite effective treatment by the ICD...
Outflow tract ventricular tachycardias (OT-VTs) re the most common form of idiopathic VTs. In > 80–90% of cases OT-VT originates from the right ventricular outflow tract, however, other origins like the septum, the left ventricular outflow tract, the pulmonary artery, the aortic sinus of Valsalva, the area near the His bundle, and the epicardial surface of the ventricles have been described. OT-VT...
Antiarrhythmische Medikamente werden bei einem großen Prozentsatz der Patienten mit einem internen Kardioverter-Defibrillator (ICD) eingesetzt. Kürzlich publizierte oder vorgestellte randomisierte Studien zeigen eine signifikante Reduk tion von adäquaten und inadäquaten ICD-Therapien, insbesondere der Schockabgaben, bei Behandlung der Patienten mit Amiodaron, Sotalol oder Azimilid. Neben weiteren...
The electroanatomic mapping system Carto with its combination of anatomic and electrophysiologic information has substantially improved our understanding of arrhythmia mechanisms and substrates in patients with ventricular tachycardia (VT) and structural heart disease. Identification of the individual arrhythmogenic substrate and successful ablation guided by the combination of sinus rhythm voltage...
Die Hochfrequenzstrom-Katheterablation ist heute das Therapieverfahren der ersten Wahl zur kurativen Behandlung von Patienten mit akzessorischen Leitungsbahnen. Atrioventrikuläre akzessorische Bahnen jeglicher Lokalisation können heute mit einer Erfolgsquote von mehr als 90% erfolgreich abladiert werden. Schwerwiegende Komplikationen treten bei etwa 2% der Patienten auf. Die Rezidivrate im Langzeitverlauf...
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