European journal of anaesthesiology
-
Comment Letter Randomized Controlled Trial Comparative Study
Comparison of LMA Unique, Ambu laryngeal mask and Soft Seal laryngeal mask during routine surgical procedures.
-
Randomized Controlled Trial
Reduction of pain on injection of propofol: combination of pretreatment of remifentanil and premixture of lidocaine with propofol.
There is a high incidence of pain following intravenous injection of propofol, and many studies have been conducted to find a way of reducing this. The administration of lidocaine and, recently, remifentanil has also been used for this purpose, but it is only partially effective. Thus, the purpose of this study was to investigate the analgesic effect of a combination of pretreatment with remifentanil and premixture of lidocaine with propofol and to compare either treatment alone during propofol injection in dorsal hand-veins. ⋯ The combination of pretreatment of remifentanil and premixture of lidocaine with propofol was more effective in reducing the incidence of pain on injection of propofol than either treatment alone.
-
Randomized Controlled Trial Comparative Study
Bispectral index and electroencephalographic entropy in patients undergoing aortocoronary bypass grafting.
This study was conducted to compare bispectral index, state entropy and response entropy in patients undergoing coronary artery bypass grafting. ⋯ In patients undergoing coronary artery bypass grafting, no relationship was found between bispectral index levels and state entropy and response entropy at two different stages of a sufentanil-midazolam anaesthesia. A bispectral index level of 45-55 reduced anaesthetic medications used and the need for inotropic support.
-
Randomized Controlled Trial Multicenter Study
Regular tramadol use does not affect the propofol dose requirement for induction of anaesthesia.
An increased risk of awareness during general anaesthesia in patients receiving tramadol has been reported. We studied whether tramadol affects the amount of propofol required for induction of anaesthesia. ⋯ Tramadol did not affect the dose of propofol required to achieve loss of consciousness or burst suppression pattern in electroencephalogram during induction of general anaesthesia. However, there was a ninefold inter-individual variation in propofol dose requirement for loss of consciousness and a fivefold variation for reaching burst suppression. Due to extensive inter-individual variability, monitoring the level of hypnosis during general anaesthesia using propofol may enhance the correct dosage.