The effect of remifentanil on the emergence characteristics of children undergoing FBO for bronchoalveolar lavage with sevoflurane anaesthesia
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2009
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Abstract
Background and objective The aim of this study was to compare the effects of sevoflurane vs. sevoflurane and remifentanil on cough and agitation during emergence and recovery after fiberoptic bronchoscopy. Methods Children between 2 and 6 years of age undergoing fiberoptic bronchoscopy were enrolled. All patients were premedicated with oral midazolam. Patients were randomly assigned to either group S (sevoflurane alone, n = 25) or group SR (sevoflurane with remifetanil, n = 25). Anaesthesia was induced and maintained with sevoflurane in all patients. Group SR received remifentanil at a bolus dose of 1 μg/kg over 2 min followed by a maintenance infusion of 0.15 μg/kg/min. In addition to routine anaesthesia documentation, agitation scores and cough scores were recorded every 5 min during emergence and recovery. Results Duration of the procedure, anaesthesia and emergence phases was similar in both groups (P>0.05). Time until recovery was significantly shorter in group SR than in group S (7.0 ± 5.5 min and 13.0 ± 3.5 min, respectively; P = 0.001). Cough scores were not significantly different between the two groups during emergence and recovery (Kruskal-Wallis ANOVA test, P0.05). However, the mean agitation score at 5 min in group SR was significantly higher than that in group S (Kruskal-Wallis ANOVA test, P<0.01). One case of hypoxaemia from thoracic rigidity occurred in a patient in group SR. Conclusion The addition of remifentanil significantly shortened recovery time in children undergoing fiberoptic bronchoscopy under sevoflurane anaesthesia. In the recovery period, remifentanil did not decrease cough, and increased agitation. © 2009 European Society of Anaesthesiology.
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Analgesics, Opioid , Anesthesia Recovery Period , Anesthetics, Inhalation , Bronchoalveolar Lavage , Bronchoscopy , Child , Child, Preschool , Cough , Female , Fiber Optic Technology , Humans , Male , Methyl Ethers , Piperidines , Psychomotor Agitation , Time Factors , Treatment Outcome , atropine , lidocaine , midazolam , remifentanil , sevoflurane , ether derivative , inhalation anesthetic agent , narcotic analgesic agent , piperidine derivative , remifentanil , sevoflurane , agitation , anesthetic recovery , article , child , clinical article , coughing , female , fiberoptic bronchoscopy , human , inhalation anesthesia , intravenous anesthesia , lung lavage , male , muscle rigidity , pediatric anesthesia , preschool child , sedation , bronchoscopy , clinical trial , comparative study , controlled clinical trial , controlled study , coughing , fiber optics , instrumentation , lung lavage , methodology , randomized controlled trial , restlessness , time , treatment outcome