Pretreatment with remifentanil to prevent withdrawal after rocuronium in children.
Kim, JY; Kim, YB; Kwak, HJ
British journal of anaesthesia, 98(1):120-123, 2007
British journal of anaesthesia
BACKGROUND: Pain from rocuronium injection is a common side-effect reported to occur in 50-80% of the patients. This randomized, double-blind, placebo-controlled study was designed to evaluate the efficacy of pretreatment with i.v. remifentanil on prevention of withdrawal response during rocuronium injection in paediatric patients.
METHODS: After obtaining parental consents, 70 paediatric patients were randomly allocated into two groups to receive either i.v. remifentanil 1 mug kg(-1) (remifentanil group, n=35) or i.v. saline 5 ml (saline group, n=35). Anaesthesia was induced with thiopental sodium 2.5% (5 mg kg(-1)) and the test drug was injected over 30 s. One minute after the test drug injection, rocuronium 1% (0.6 mg kg(-1)) was injected over 5 s and the response was recorded. Mean arterial pressure (MAP) and heart rate were recorded on arrival in the operating theatre, before and 1 min after the tracheal intubation.
RESULTS: The overall incidence of withdrawal movements was significantly higher in the saline group (33 patients; 94%) than that in the remifentanil group (8 patients; 23%) (P<0.001). No patient in the remifentanil group showed generalized movement, whereas 51% of patients in the saline group did. Remifentanil prevented significant increase in MAP after intubation.
CONCLUSION: This study demonstrated that pretreatment with remifentanil 1 microg kg(-1) provided a safe and simple method for reducing the incidence of rocuronium-associated withdrawal movement with haemodynamic stability in children.
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