Clinical implications of pleomorphic ventricular tachycardias on oral sotalol therapy.

Reisinger, J, Shenasa, M, Lubinski, A, Hindricks, G, Haverkamp, W, Chen, X, Breithardt, G und Borggrefe, M (1995) Clinical implications of pleomorphic ventricular tachycardias on oral sotalol therapy. European heart journal, 16 (3). pp. 377-82. ISSN 0195-668X

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In 90 consecutive patients with coronary artery disease and sustained monomorphic ventricular tachycardia, who were treated with oral sotalol and underwent programmed stimulation to determine drug effectiveness, the influence of sotalol on induced ventricular tachycardia morphology was retrospectively examined. In 54 patients (60%) sotalol rendered the tachycardia non-inducible. However, contrary to drug-testing with class I antiarrhythmic agents, induction of multiple morphologies at baseline study did not predict failure of subsequent drug-testing with sotalol. In the remaining 36 patients (40%), in whom sotalol did not modify inducibility, 21 patients (i.e. a total of 23%) manifested at least one new morphology during electropharmacological testing on sotalol. This effect was independent of the degree of left ventricular dysfunction, infarct location and numbers of morphologies at baseline, but corresponded with drug-induced changes in refractoriness. This observation may be related to a proarrhythmic effect of sotalol. Slowing of ventricular tachycardia rate and changes in morphology may have implications in patients receiving implantable cardioverter-defibrillators or those undergoing ablative procedures.

Typ des Eintrags: Artikel
Themengebiete: WG Kardiovaskuläres System
Bereiche: Ordensklinikum Linz Barmherzige Schwestern > Interne II - Kardiologie
Benutzer: Dr. Christian Vogel
Hinterlegungsdatum: 15 Nov 2012 09:02
Letzte Änderung: 15 Nov 2012 09:02

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