Korean J Anesthesiol.  2015 Apr;68(2):136-140. 10.4097/kjae.2015.68.2.136.

Comparison of etomidate and propofol on intubating conditions and the onset time associated with cisatracurium administration

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon, Korea. yhkim0404@cnu.ac.kr

Abstract

BACKGROUND
This study compared intubating conditions and the onset time associated with administration of cisatracurium, a nondepolarizing neuromuscular blocker with a relatively slow onset, according to prior injection of one of two intravenous anesthetic agents: propofol or etomidate.
METHODS
Forty-six female patients, undergoing general anesthesia and endotracheal intubation for elective surgery, were randomized to two groups; group P were administered propofol (2 mg/kg) prior to cisatracurium (0.2 mg/kg); group E were administered etomidate (0.3 mg/kg) prior to cisatracurium (0.2 mg/kg). We measured intubating conditions and the onset time according to the types of intravenous anesthetic administered. Measurements of heart rate (HR), systolic blood pressure (SBP) and diastolic blood pressure (DBP) were taken immediately prior to induction; immediately and 1 min after IV anesthetic administration; and immediately and 1, 2, 3, 4, 5, 7, and 15 min after endotracheal intubation.
RESULTS
Intubating conditions were superior in group E compared with group P (P = 0.009). The average onset time of cisatracurium was more rapid in group E (155.74 +/- 32.92 s vs. 185.26 +/- 38.57 s in group P; P = 0.008). There were no group differences in SBP, DBP, and HR following intravenous anesthetic drug injection and endotracheal intubation. However, SBP and DBP were substantially higher in group E after endotracheal intubation.
CONCLUSIONS
Etomidate improves intubating conditions and provide a more rapid onset time of cisatracurium during anesthetic induction compared to propofol.

Keyword

Cisatracurium; Etomidate; Intratracheal intubation; Neuromuscular blockade; Propofol

MeSH Terms

Anesthesia, General
Anesthetics
Blood Pressure
Etomidate*
Female
Heart Rate
Humans
Intubation, Intratracheal
Neuromuscular Blockade
Propofol*
Anesthetics
Etomidate
Propofol
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