[Transcranial Doppler sonographic study of the effect of electroconvulsive therapy on the circulation in the median cerebral artery].
The authors monitored the circulation of middle cerebral artery in subdominant hemisphere using the transcranial Doppler sonographic method during electroconvulsive treatment. They intravenously administered the patient 500 mg propanididum to put him/her to sleep and 150 mg of suxamethonium for muscle relaxation. The phasis of narcosis and awakening were continuously recorded under the treatment. After the administration of propanididum a sudden brief rise in flow velocity was measured with transient bradycardia followed by tachycardia. After the muscle relaxation the peak flow velocity diminished long lasting and the mean flow velocity fell from 60 cm per second to 30 cm per second average. At the beginning of the electroconvulsive treatment the velocity suddenly rose. The flow velocity increased significantly during the clonic phase of convulsive jerks with the pulsatility indices falling rapidly. Very low pulsatility indices lasted for long period of time during and following clonic convulsions.
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Fövárosi Onkormányzat Szent János Kórház Neuro-psychiatriai Osztálya.
Lipcsey
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D001783:Blood Flow Velocity / Q000187:drug effects; D002536:Cerebral Arteries / Q000503:physiopathology; D002560:Cerebrovascular Circulation; D004453:Echoencephalography; D004565:Electroconvulsive Therapy; D006801:Humans; D009125:Muscle Relaxants, Central / Q000008:administration & dosage / Q000494:pharmacology; D011410:Propanidid / Q000008:administration & dosage / Q000494:pharmacology; D013390:Succinylcholine / Q000008:administration & dosage / Q000494:pharmacology
D009125:Muscle Relaxants, Central; D011410:Propanidid; D013390:Succinylcholine
Az electroconvulsiv kezelés transcranialis Doppler sonographiás módszerrel megfigyelt hatása az arteria cerebri media keringésére.