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Korean Journal of Anesthesiology 2009;56(2):140-145.
DOI: https://doi.org/10.4097/kjae.2009.56.2.140   
Effect of mixed administration of propofol and rocuronium on intubating conditions.
Hye Jin Jeung, Sang Hyun Kwak, Mai Ri, Cheol won Jeong, Seok Jai Kim, Hong beom Bae
Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School, Gwangju, Korea. shkwak@chonnam.ac.kr
We investigated whether the intubating condition change acoording to the methods of administration of propofol and rocuronium.
Ninety adult patients (ASA physical status I or II) undergoing elective surgery were randomly assigned to one of three groups; Group I (n = 30) received rocuronium (0.6 mg/kg) after administration of propofol (2 mg/kg), Group II (n = 30) received propofol and rocuronium simultaneously via different intravenous routes, and Group III (n = 30) received a mixture of propofol and rocuronium via same intravenous route. Intubation was attempted at 60 seconds after administration of rocuronium. Hemodynamic parameters (mean blood pressure, heart rate) were measured before and after propofol administration with 20 seconds interval. Intubating conditions (jaw relaxation, vocal cord movement, and response to tracheal intubation) were evaluated as excellent, good, fair and poor. Train of four counts were recorded at 60 seconds after administration of rocuronium.
Excellent intubating conditions were obtained in 13% in group I, 60% in group II, 77% in group III. Mean train of four counts were 3.7 in group I, 3.4 in group II, and 3.5 in group III. Mean blood pressures were decreased gradually after propofol administration in all groups. However, heart rates were not changed in all groups.
At induction of anesthesia, simultaneous or mixed administration of propofol and rocuronium provides excellent or good intubating conditions 60 seconds after rocuronium administration. It could be an effective alternative to succinylcholine for rapid sequence induction of anesthesia.
Key Words: Intubation condition; Mixture; Propofol; Rapid sequence induction; Rocuronium; Simultaneous injection


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