alexa The effect of bolus administration of remifentanil on QTc interval during induction of sevoflurane anaesthesia.


Journal of Anesthesia & Clinical Research

Author(s): Kweon TD, Nam SB, Chang CH, Kim MS, Lee JS,

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Abstract Stimulation of the sympathetic nervous system associated with tracheal intubation causes corrected QT (QTc) interval prolongation. We postulated that the use of remifentanil during induction of anaesthesia might prevent this. Sixty unpremedicated, ASA grade 1 patients were selected and randomly allocated to receive either saline (group S), remifentanil 0.5 microg x kg(-1) (group R 0.5) or remifentanil 1.0 microg x kg(-1) (group R1.0) 1 min before laryngoscopy. The QTc interval was significantly prolonged immediately following intubation in group S and group R0.5, but it remained stable in group R1.0, compared with the QTc interval just before laryngoscopy. It is concluded that the administration of remifentanil 1.0 microg x kg(-1) before intubation can prevent the prolongation of the QTc interval associated with tracheal intubation during induction of anaesthesia with sevoflurane. This article was published in Anaesthesia and referenced in Journal of Anesthesia & Clinical Research

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