Anaesthesia
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Comment Letter Case Reports
Extravasation associated with a multilumen central catheter.
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Randomized Controlled Trial Multicenter Study Comparative Study Clinical Trial
A comparative multicentre trial of spinal needles for caesarean section.
We studied 681 patients in a randomised, multicentre, double-blind, parallel group trial designed to assess the incidence of headache following spinal anaesthesia for Caesarean section using four different pencil point spinal needles. The needles used were: Whitacre 25G (n = 170), Polymedic 25G (n = 170), Sprotte 24G (n = 173) and Polymedic 24G (n = 168). ⋯ There was no statistically significant difference between the four groups for PDPH. We conclude that all four needles studied performed satisfactorily and comparably.
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Randomized Controlled Trial Clinical Trial
The effect of co-induction with midazolam upon recovery from propofol infusion anaesthesia.
Forty-eight patients undergoing day-case anaesthesia were asked to complete pre- and postoperative tests of psychomotor function in order to study the influence of co-induction with midazolam in conjunction with propofol/alfentanil anaesthesia on postoperative psychomotor recovery. The study was placebo controlled and double blind with patients receiving either 0.03 mg.kg-1 of midazolam or saline 2 min before induction of anaesthesia with propofol and alfentanil. ⋯ The study confirmed that co-induction with a subanaesthetic dose of midazolam reduced the induction dose of propofol by up to 50%. We conclude that co-induction with midazolam reduces psychomotor recovery in the immediate postoperative phase following propofol infusion anaesthesia.
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Randomized Controlled Trial Clinical Trial
Intubating conditions using cisatracurium after induction of anaesthesia with thiopentone.
We studied tracheal intubation conditions produced by the muscle relaxant, cisatracurium, following induction of anaesthesia with fentanyl (2 micrograms.kg-1) and thiopentone (6 mg.kg-1). Sixty patients were randomly assigned to receive cisatracurium in a single bolus dose of either 0.15 or 0.20 mg.kg-1. ⋯ The intubating conditions were better after the larger dose. Our results suggest that when anaesthesia is induced using thiopentone, a dose of 0.20 mg.kg-1 of cisatracurium is recommended to ensure satisfactory intubating conditions.