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[Long-term effect of drug therapy in supraventricular dysrhythmia evaluated by diagnostic esophageal cardiac pacing].

The authors investigated the long-term therapeutic effect in 33 patients after a medicamentous reversal of recent atrial fibrillation and 18 patients after reversal of an attack of supraventricular tachycardia (SVT). None of the patients had signs of cardiac failure. A change to sinus rhythm was achieved in the group with atrial fibrillation by digoxin with verapamil, in the group with SVT by verapamil. Treatment was then adjusted, based on testing by means of diagnostic oesophageal pacing. The basic drug for long-term use in atrial fibrillation was digoxin either as monotherapy or in combination; the majority of patients with SVT had verapamil treatment. At the end of the period 24.5 +/- 8.4 (12-36) months after the reversal in the group with atrial fibrillation 8 (25.8%) had permanent atrial fibrillation or different therapy on account of atrial fibrillation; short-term attacks of palpitation were recorded during the investigation period in 16 (51.6%), and the remaining 7 patients (22.6%) had no complaints. In the group with SVT none of the patients was hospitalized on account of persisting dysrhythmia and it was not necessary to alter treatment. Testing treatment of supraventricular dysrhythmias by means of diagnostic oesophageal pacing is of prognostic importance and the authors consider it the method of choice.