[Propofol target controlled infusion plus a low concentration of sevoflurane inhalation induction anesthesia for the removal of foreign body from tracheobronchus in children].

Objective: To explore the effects of propofol target controlled infusion (TCI) plus a low concentration of sevoflurane inhalation induction for the removal of tracheobronchial foreign body in children.

Methods: After the approval of the hospital ethics committee, a total of 90 patients, aged 9 - 36 months old and weighted 8 - 17 kg, were randomly divided into 3 groups: group A, group B and group C. Propofol TCI plus a low concentration of sevoflurane inhalation induction was administered in group A while ketamine or fentanyl plus propofol TCI in group B or C respectively.

[Optimal concentrations of sevoflurane and propofol for laryngeal mask airway insertion in Chinese boys of different ages].

Objective: To investigate the optimal concentrations of sevoflurane and propofol for laryngeal mask airway (LMA) insertion in Chinese boys of different ages.

Methods: 200 boys with ASA status I weighting 7 - 53 kg undergoing inguinal operation were divided into 4 groups (n = 50) according to age: Group A (aged 7 m-1 yr), Group B (1 - 3 yrs), Group C (4 - 6 yrs), and Group D (7 - 11 yrs). No premedication was given.