• S Sakuraba, R Serita, S Kosugi, L I Eriksson, S G E Lindahl, and J Takeda.
• Department of Anesthesiology, School of Medicine, Keio University, Tokyo, Japan. s-sakura@cb4.so-net.ne.jp
• Acta Anaesthesiol Belg. 2006 Jan 1;57(3):253-7.

AbstractAlthough it has side effects, succinylcholine is still widely used in rapid sequence induction. The aim of the present study is to evaluate the effects of pretreat ment with magnesium and precurarization of vecuroni um on succinylcholine-induced fasciculation and subse quent tracheal intubation-induced hemodynamic changes during rapid sequence induction. Fifty-five patients were allocated to three groups by a blinded randomization: Group M received saline 100 ml with magnesium 40 mg x kg(-1) for 5 min at 6.5 min before induction and sub sequently administered saline 1-2 ml at 1.5 min before induction; Group V received saline 100 ml for 5 min at 6.5 min before induction and subsequently administered vecuronium 0.02 mg x kg(-1) at 1.5 min before induction; Group C received saline 100 ml for 5 min at 6.5 min before induction and then saline 1-2 ml at 1.5 min before induction. Fasciculation scores and mean percent changes of heart rate, systolic blood pressure and rate pressure product between baseline and after induction were significantly lower in group M than those in group C and group V. Pretreatment with magnesium is more effective to limit succinylcholine-induced fasciculation and subsequent tracheal intubation-induced hemody namic changes in rapid sequence induction compared with vecuronium pretreatment, although magnesium does not prevent the elevation of serum potassium con centration after induction.

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