Korean J Anesthesiol.  2017 Apr;70(2):163-170. 10.4097/kjae.2017.70.2.163.

Effect of dexamethasone on the onset time and recovery profiles of cisatracurium

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, Chosun University Hospital, Gwangju, Korea. ksh3223@chosun.ac.kr
  • 2Department of Anesthesiology and Pain Medicine, Chosun University, School of Medicine, Gwangju, Korea.

Abstract

BACKGROUND
The effect of dexamethasone injection on cisatracurium-induced neuromuscular block was compared according to different injection time points.
METHODS
One hundred seventeen patients were randomly assigned to three groups: 8 mg of dexamethasone injected intravenously 2-3 h before anesthesia (group A), just before anesthesia induction (group B), and at the end of surgery (control group). Three minutes after anesthesia induction, intubation was performed without neuromuscular blockers, and acceleromyography was initiated. All patients received 0.05 mg/kg cisatracurium; the onset time and recovery profiles were recorded.
RESULTS
Eighty patients were finally enrolled. The onset time (median [interquartile range], seconds) was significantly hastened in group A (520.0 [500.0-560.0], n = 30) compared to that in group B (562.5 [514.0-589.0], n = 22) (P = 0.008) and control group (586.5 [575.0-642.5], n = 28) (P < 0.001). The onset time in group B was faster than the control group (P = 0.015). The recovery time [mean (95% CI) minutes] was significantly hastened in group A [28.5 (27.3-29.6)] compared to that in group B [32.3 (31.0-33.6)] (P < 0.001) and control group [30.9 (29.9-31.8)] (P = 0.015). The total recovery time was significantly hastened more in group A [47.1 (45.5-48.6)] than group B [52.8 (51.6-54.0) minutes] (P < 0.001) and control group [50.5 (48.7-52.3) minutes] (P = 0.008).
CONCLUSIONS
A single dose of 8 mg of dexamethasone hastened the onset and total recovery times of cisatracurium-induced block by approximately 15 and 9%, respectively if administered 2-3 h prior to surgery.

Keyword

Cisatracurium; Dexamethasone; Neuromuscular monitoring

MeSH Terms

Anesthesia
Dexamethasone*
Humans
Intubation
Neuromuscular Blockade
Neuromuscular Blocking Agents
Neuromuscular Monitoring
Dexamethasone
Neuromuscular Blocking Agents
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