Acute hemodynamic responses to electroconvulsive therapy are not related to the duration of seizure activity

Journal of Clinical Anesthesia
W FuMustafa M Husain

Abstract

To test the hypothesis that the magnitude of the acute hemodynamic response to electroconvulsive therapy (ECT) is related to the duration of the seizure activity in patients receiving different dosages of intravenous (i.v.) lidocaine. Randomized, double-blind, placebo-controlled, cross-over study. University-affiliated hospital. 21 ASA physical status I, II, and III patients undergoing four consecutive maintenance ECT treatments for chronic depression. Patients received lidocaine 50 mg, 100 mg, 200 mg i.v., or saline prior to induction of anesthesia via a standardized anesthetic technique. Noninvasive blood pressure (BP) and heart rate (HR), as well as the duration of motor and electroencephalographic (EEG) seizure, were measured. The duration of motor and EEG seizures (means +/- SD) were 37 +/- 13 sec and 64 +/- 21 sec, 25 +/- 11 sec and 52 +/- 43 sec, 17 +/- 12 sec and 32 +/- 17 sec, 1 +/- 3 sec and 18 +/- 10 sec in the saline, lidocaine 50 mg, 100 mg, 200 mg groups, respectively. Although the duration of seizure activity was decreased in a dose-related fashion after lidocaine pretreatment, the peak increases in BP and HR were similar in the lidocaine and saline treatment groups. Despite producing dose-related decreases in th...Continue Reading

References

Jan 1, 1977·Anesthesia and Analgesia·A H AntonC L Redderson
Sep 1, 1978·The American Journal of Psychiatry·D CirauloR Elkins
Nov 1, 1987·Anesthesia and Analgesia·D G Wells, G G Davies
Nov 1, 1965·British Journal of Anaesthesia·J S GravensteinA G Tetlow
Jul 1, 1994·The Journal of Emergency Medicine·R Lev, P Rosen

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Citations

Feb 13, 2007·Der Anaesthesist·U Grundmann, M Oest
Sep 7, 2005·CNS Drugs·Klaus J WagnerEberhard F Kochs
Sep 3, 2005·Brazilian Journal of Medical and Biological Research = Revista Brasileira De Pesquisas Médicas E Biológicas·J Y TakadaJ A F Ramires
Dec 14, 2004·The Journal of ECT·Gábor GazdagZsolt Iványi
Apr 26, 2002·Anesthesia and Analgesia·Zhengnian Ding, Paul F White

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