• Arch Med Sci · Aug 2015

    Clinical effects of sevoflurane anesthesia induction with a portable inhalational anesthetic circuit in pediatric patients.

    • Min Yu, Chuanbao Han, Qinhai Zhou, Cunming Liu, and Zhengnian Ding.
    • Department of Anesthesiology, the First Affiliated Hospital, Nanjing Medical University, Nanjing, China.
    • Arch Med Sci. 2015 Aug 12; 11 (4): 796-800.

    IntroductionPediatric anesthesia induction with sevoflurane usually needs a special vaporizer and gas source, which limits its use to the operating room (OR). Many children feel anxious and cry when entering the OR because of being separated from their parents, which impairs anesthesia safety and their physical and mental health. In this study, we used a portable circuit to perform sevoflurane anesthesia induction outside the OR, assessed its effects and compared them with those of ketamine anesthesia in pediatric patients.Material And MethodsOne hundred children had anesthesia induced with either sevoflurane (sevoflurane group) through the portable inhalational anesthetic circuit, or ketamine by intramuscular injection (ketamine group), then were transferred to the OR. Peak inspired concentration (Cp) and steady state concentration (Cs) of sevoflurane were measured. Heart rate (HR) and saturation of peripheral oxygen (SpO2) were monitored. Time for anesthesia induction, awakening, leaving the OR and duration of the operation were recorded. The patients' reaction during anesthesia was also analyzed.ResultsThe Cp and Cs of sevoflurane were correlated with bodyweight. Compared with the ketamine group, the sevoflurane group showed shorter time for anesthesia induction (28 ±7 s vs. 195 ±34 s, p < 0.0001), awakening (11.2 ±3.6 s vs. 63.5 ±6.7 s, p < 0.0001) and leaving the OR (20.5 ±5.6 s vs. 43.4 ±10.6, p < 0.0001), less noncooperation during anesthesia induction (10% vs. 80%, p < 0.0001), lower HR (130 ±16 beats/min vs. 143 ±19 beats/min, p = 0.0004) and higher SpO2 (98.9 ±0.9% vs. 96.1 ±2.5%, p < 0.0001) on arrival at the OR.ConclusionsPediatric anesthesia induction by sevoflurane with the portable inhalational anesthetic circuit is convenient, safe and effective outside the OR.

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