The purpose of this study is to investigate the effects of different doses of cisatracurium pretreatment on succinylcholine-induced fasciculations and postoperative myalgia.
Purpose: To investigate the effects of different doses of cisatracurium pretreatment on succinylcholine-induced fasciculations and postoperative myalgia. Methods: Ninety patients scheduled for laparoscopic cholecystectomies were equally randomized into three groups to receive pretreatment of 0.005, 0.01, and 0.02 mg/kg cisatracurium, respectively. General anesthesia was induced 3.5 min later, train of four stimulation was monitored 4.5 min later, succinylcholine 1.5 mg/kg was injected 5 min later, and endotracheal intubation was implemented 6.5 min later. The side effects of cisatracurium, intensity of fasciculations, intubating conditions, time and extent to maximal depression of twitch and time for its recovery to 20% of control value, severity of myalgia at 24 h postoperatively, serum potassium before the induction, at the time of endotracheal intubation, and 5 min after intubation were recorded.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Enrollment
90
Different doses of cisatracurium pretreatment
The presence of fasciculations
Time frame: After the injection of succinylcholine for 1.5 minutes
Side effects of the pretreatment of cisatracurium
Time frame: At the time of three minutes after the pretreatment of cisatracurium
The time to maximal depression of twitch
Time frame: From the time of 4.5 minutes after the pretreatment of cisatracurium for two minutes
The extent to maximal depression of twitch
Time frame: From the time of 4.5 minutes after the pretreatment of cisatracurium for two minutes
The time for twitch recovery to 20% of its control value
Time frame: From the time of 4.5 minutes after the pretreatment of cisatracurium for two minutes
The grades of endotracheal intubation
Time frame: At intubating time
The changes of serum potassium
Time frame: After entering the operating theater till the anesthesia induction, at intubating, and 5 min after intubation
Myalgia at 24 hours postoperatively
Time frame: At 24 hours postoperatively
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