[Ventricular preexcitation syndrome. The problems of its electrophysiological study and treatment].
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Biomedical subjects
Publications and source records attributed to F B Votchal.
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The results of electrical stimulation of the heart in 49 patients with the sick sinus syndrome are discussed. Continuous endocardial stimulation of the ventricle was applied in 30 patients. Implantation of two cardiac stimulators was performed on 5 patients, one for frequent stimulation of the atrium (switched on outside) and the other (biocontrolled) for stimulation of the ventricle. Fourteen patients who had no episodes of loss of consciousness and no signs of circulatory insufficiency did not undergo operation. There were two fatal outcomes in the postoperative period, which were not linked directly with the use of electrostimulation. No complications of a thromboembolic character were encountered.
The condition of the conducting system of the heart and the sinus node recovery time were studied in 27 patients with the cardiac rhythm pathology under consideration. On the grounds of the resultant data the question concerning the implantation of this or that type of pacemaker (operating in a fixed regimen or "on demand") and-the positioning of the fixing electrode in the atria or ventricle was resolved. The advantages and shortcomings of each of the suggested methods for surgical treatment of sick sinus node are discussed.
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