Comparative Effects of Esmolol and Labetalol to Attenuate Hyperdynamic States After Electroconvulsive Therapy

We studied 18 patients (age range, 53-90 yr) with at least one cardiovascular risk factor who were treated with electroconvulsive therapy (ECT) and compared effects of five pretreatmentsno drug; esmolol, 1.3 or 4.4 mg/kg; or labetalol, 0.13 or 0.44 mg/kg. Each patient received all five treatments, d...

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Veröffentlicht in:Anesthesia and analgesia 1995-03, Vol.80 (3), p.557-561
Hauptverfasser: Castelli, I, Steiner, L. A, Kaufmann, M. A, Alfille, P. H, Schouten, R, Welch, C. A, Drop, L. J
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Sprache:eng
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Zusammenfassung:We studied 18 patients (age range, 53-90 yr) with at least one cardiovascular risk factor who were treated with electroconvulsive therapy (ECT) and compared effects of five pretreatmentsno drug; esmolol, 1.3 or 4.4 mg/kg; or labetalol, 0.13 or 0.44 mg/kg. Each patient received all five treatments, during a series of five ECT sessions. Pretreatment was administered as a bolus within 10 s of induction or anesthesia. Doses of methohexital and succinylcholine were constant for the series of treatments and the assignment to no drug or to drug and dose was determined by randomized block design. Measurements of systolic and diastolic blood pressure (SBP, DBP) and heart rate (HR) were recorded during the awake state and 1, 3, 5, and 10 min after the seizure. The deviation of ST segments from baseline was measured by an electrocardiogram (ECG) monitor equipped with ST-segment analysis software. The results (mean +/- SEM) show that without pretreatment, there were significant (P
ISSN:0003-2999
1526-7598
DOI:10.1097/00000539-199503000-00022