2014
DOI: 10.1007/s00540-014-1892-9
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Magnesium sulfate with lidocaine for preventing propofol injection pain: a randomized, double-blind, placebo-controlled trial

Abstract: Purpose Propofol injection pain, despite various strategies, remains common and troublesome. This study aimed to test the hypothesis that pretreatment with the combination of intravenous lidocaine and magnesium would have an additive effect on reducing propofol injection pain. Methods After IRB approval and informed consent, we performed a prospective, double-blind, placebo-controlled, randomized trial. Subjects were randomly assigned to pretreatment with either lidocaine (50 mg), magnesium sulfate (0.25 mg)… Show more

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Cited by 15 publications
(8 citation statements)
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“…It can be applied to volume replacement (filling the intravascular space) and fluid replacement (extravascular deficit) [9] . Magnesium is not only the physiological calcium channel blocker, but also an antagonizer of NMDA receptors, which may interfere in the ion channels of K + and Ca 2+ , resulting in reduction of pain perception [20] . In previous studies [5,21,22] , pretreatment with magnesium sulfate was effective in the prevention of propofol-induced pain without considering injection pain from magnesium itself.…”
Section: Discussionmentioning
confidence: 99%
“…It can be applied to volume replacement (filling the intravascular space) and fluid replacement (extravascular deficit) [9] . Magnesium is not only the physiological calcium channel blocker, but also an antagonizer of NMDA receptors, which may interfere in the ion channels of K + and Ca 2+ , resulting in reduction of pain perception [20] . In previous studies [5,21,22] , pretreatment with magnesium sulfate was effective in the prevention of propofol-induced pain without considering injection pain from magnesium itself.…”
Section: Discussionmentioning
confidence: 99%
“…In the published data, the incidence of pain due to propofol injection is 46% in untreated patients [ 10 ]. We hypothesized a 50% reduction in the incidence of pain after propofol administration based on an alpha of 0.05 and a power of 80%.…”
Section: Methodsmentioning
confidence: 99%
“…The pain from the propofol injection was reduced by 30% due to the 20-mg HnBB pretreatment, similar to the 37% reduction with lidocaine pretreatment [24] and the 33% reduction with low-dose esmolol [25]. However, a combination of lidocaine and nitroglycerine pretreatment has been found to reduce propofol injection pain to 7%, which is better than using either lidocaine or HnBB alone.…”
Section: Discussionmentioning
confidence: 82%