• E Allsop, P Innes, M Jackson, and M Cunliffe.
• Alder Hey Children's Hospital Trust, Liverpool, UK.
• Paediatr Anaesth. 1995 Jan 1;5(1):47-51.

AbstractWe have assessed the ease of insertion of the Brain Laryngeal Mask Airway (LMA) after induction of anaesthesia with propofol in 60 healthy unpremedicated children aged between four and nine years. Patients were randomly allocated into three groups: group A = propofol 2.5 mg.kg-1; group B = propofol 3 mg.kg-1 and group C = propofol 3.5 mg.kg-1. Propofol was mixed with lignocaine 0.5 mg.kg-1. Insertion conditions were assessed subjectively as good, acceptable, unacceptable or impossible. Insertion of the LMA was possible in all patients. Good and acceptable conditions were obtained in 35%, 70% and 95% in groups A, B, and C respectively (P < 0.0001). There was no statistically significant inter group variation in systolic and diastolic arterial pressure or in heart rate for five min after induction. All measured cardiovascular changes were considered to be clinically insignificant in healthy children. We conclude it is safe and effective to insert a LMA immediately after induction of anaesthesia with propofol 3.5 mg.kg-1.

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