• Behzad Nazemroaya, Atefeh Ghosouri, Azim Honarmand, and Seyed Taghi Hashemi.
• Anaesthesiology and Critical Care Research Centre, Isfahan University of Medical Sciences, Isfahan, Iran.
• J Res Med Sci. 2021 Jan 1; 26: 106.

BackgroundElectroconvulsive therapy (ECT) is nowadays used commonly as one the most effective treatment methods in psychiatric disorders. In patients undergoing ECT, succinylcholine is usually used. In addition, cisatracurium is occasionally used on a case report basis globally. In this study, we compared the hemodynamic changes and serum potassium levels in the use of succinylcholine and cisatracurium in ECT.Materials And MethodsThe current crossover clinical trial was performed on 45 patients who were candidates for ECT between 2017 and 2018. The patients were given succinylcholine or cisatracurium randomly on two separate occasions of ECT. The independent t-test and Chi square Test were used to compare the data.ResultsComparison of mean systolic blood pressure (P = 0.14), diastolic blood pressure (P = 0.33), and mean arterial pressure (P = 0.23) did not show any significant difference between the two groups. The induced seizure duration (P = 0.002), return of spontaneous respiratory from seizure ending (P = 0.001), and apnea duration (P = 0.01) were significantly higher in the cisatracurium group compared to the succinylcholine group. However, the frequency of tachycardia in cisatracurium group was lower than the succinylcholine group (P < 0.001). In addition, the serum potassium level had a significant difference (P < 0.001) between the two groups.ConclusionUsing cisatracurium can be an alternative to succinylcholine during ECT since it causes less elevation in serum potassium and creates a longer duration of induced seizure, more rapid re emergence of spontaneous breathing at the end of seizure (P = 0.001), and a lower prevalence of tachycardia compared to succinylcholine (P < 0.001).Copyright: © 2021 Journal of Research in Medical Sciences.

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