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Optimal dose of propofol for intubation after sevoflurane inhalation without neuromuscular blocking agent in children

Title
 Optimal dose of propofol for intubation after sevoflurane inhalation without neuromuscular blocking agent in children
Authors
 Y. Y. JO; N. H. JUN; H. K. KIL; E. K. CHOI; E. J. KIM
Issue Date
2011
Journal Title
 Acta Anaesthesiologica Scandinavica
ISSN
 0001-5172
Citation
 Acta Anaesthesiologica Scandinavica, Vol.55(3) : 332~336, 2011
Abstract
BACKGROUND: This study was designed to determine the optimal dose of propofol for excellent intubating conditions in children without neuromuscular blockade at various alveolar concentrations of sevoflurane. METHODS: Sixty-three children, aged 0.5-5 years, were randomized to three groups of end-tidal sevoflurane concentration (ETsevo) 3%, 3.5%, and 4%. Inhalation anesthesia was started with sevoflurane 7% in 100% oxygen. When the patients became unconscious, inspired concentration was adjusted to obtain the target ETsevo for each group. When ETsevo reached the target concentration, a predetermined dose of propofol was given and tracheal intubation was performed. The proper dose of propofol was determined using the 'up-and-down' method. RESULTS: The median dose (95% confidence intervals) of propofol for excellent tracheal intubating conditions in 50% of children were 1.25 mg/kg (0.84-1.75) at ETsevo of 3%, 0.76 mg/kg (0.35-1.21) at 3.5%, and 0.47 mg/kg (0.26-1.09) at 4%. The frequency of adverse effects was not different between groups during induction and recovery. CONCLUSION: Propofol 1.5-2 mg/kg provides excellent intubating conditions at 3-4% ETsevo in children without using any neuromuscular blocking agent.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/92628
DOI
10.1111/j.1399-6576.2010.02383.x
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Anesthesiology and Pain Medicine
Yonsei Authors
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Link
 http://onlinelibrary.wiley.com/doi/10.1111/j.1399-6576.2010.02383.x/abstract
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