• Paediatric anaesthesia · Jul 2001

    Randomized Controlled Trial Clinical Trial

    The effect on intraocular pressure of tracheal intubation or laryngeal mask insertion during sevoflurane anaesthesia in children without the use of muscle relaxants.

    • A Duman, C O Ogün, and S Okesli.
    • Department of Anaesthesia and Intensive Care, Selçuk University, School of Medicine, Akyokus, 42080 Konya, Turkey.
    • Paediatr Anaesth. 2001 Jul 1;11(4):421-4.

    BackgroundWe studied the effects of sevoflurane on intraocular pressure after induction in children undergoing either tracheal tube (TT) or laryngeal mask airway (LMA) insertion without a muscle relaxantMethodsThe study included 38 children. Anaesthesia was induced (8%) and maintained (3-4%) with sevoflurane in 100% O2. No muscle relaxant was used. A TT was inserted in group I (n=20), and an LMA in group II (n=18). IOPs were measured after induction, insertion of TT or LMA and at 1, 2 and 3 min thereafter. The heart rate, mean arterial pressures were also recorded.ResultsIntraocular pressures increased significantly in group I after TT (P < 0.01) and remained high until after 3 min. The pressures were similar in the LMA group at all measurements.ConclusionSevoflurane does not prevent the increase in IOP after intubation without muscle relaxants. LMA does not increase IOP in children after sevoflurane induction.

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