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  • Title: [A case of ventricular tachycardia immediately after electroconvulsive therapy in a schinzophrenic patient].
    Author: Urabe K, Koguchi T, Ishikawa K, Sato H, Shinohara M, Okuda Y, Kitajima T, Isao T.
    Journal: Masui; 2001 Jan; 50(1):50-2. PubMed ID: 11211751.
    Abstract:
    A 33 year-old man weighting, 93 kg with schizophrenia underwent repeated electroconvulsive therapy (ECT) under general anesthesia with thiamylal 200 mg and suxamethonium 80 mg. On his fourth ECT, he developed ventricular tachycardia (VT) immediately after the treatment under general anesthesia with the same agents. The duration of VT was approximately 30 s. The VT returned to sinus rhythm without any special treatment. We speculate that light anesthesia with a small amount of thiopental associated with release of serum potassium caused by suxamethonium induced increased release of catecholamine by ECT to cause VT. After that incident, the patient underwent ECT six times under general anesthesia with thiamylal 250 mg and vecuronium 8 mg, in combination with preventive injection of magnesium sulfate 20 g without any cardiovascular complications. We conclude that the anesthetic management of patients undergoing ECT under general anesthesia should be paid a careful attention for cardiovascular instability, even if they do not have any heart diseases.
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