Anaesthesia
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Randomized Controlled Trial Clinical Trial
The analgesic efficacy of tramadol versus ketorolac in day-case laparoscopic sterilisation.
We conducted a prospective, randomised, double-blind study to compare the analgesic efficacy of intravenous tramadol 1.5 mg.kg-1 and ketorolac 10 mg in 60 ASA grade 1 and 2 patients scheduled to undergo day-case laparoscopic sterilisation by application of Filshie clips. Patients who received tramadol had significantly less postoperative pain in the recovery room (p = 0.007) and at discharge from the day-surgery unit (p = 0.03), and they required rescue analgesia with morphine less often (p = 0.02) than patients who received ketorolac. ⋯ Both analgesic drugs were well tolerated at the doses given in the study, although dry mouth was significantly more common after the administration of tramadol (p = 0.009). Three patients in the tramadol group and five in the ketorolac group required overnight admission due to pain or nausea and vomiting.
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Comparative Study Clinical Trial Controlled Clinical Trial
Evaluation of the SCOTI device for confirming blind nasal intubation.
The sonomatic confirmation of tracheal intubation (SCOTI) is a new device used to confirm the correct placement of tracheal tubes. It utilises a sonic technique for recognition of a resonating frequency for detection of tracheal intubation. We compared its predictive value with that of the clinical auscultatory method and a capnograph to confirm 132 blind nasal intubations using three different tracheal tubes [red rubber (n = 82), polyvinyl chloride (n = 33) and RAE preformed nasal (n = 17)]. ⋯ The response time for confirming intubations was 2.5 (1.5) s for the SCOTI, 4.1 (1.1) s for a capnograph and 40 (9.4) s for the auscultatory method. The erroneous results shown by the SCOTI device were highest when polyvinyl chloride tubes with a Murphy's eye were used for intubation. This study shows that this device is not very useful for ascertaining the correct placement of tracheal tubes after blind nasal intubation.
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It has recently been suggested that recovery rooms should have dedicated anaesthetic cover during working hours to deal with serious life-threatening problems. This audit was undertaken to determine the incidence and severity of airway problems that occurred in the recovery room at a District General Hospital. ⋯ If an airway problem was identified, the patient's notes were examined to document the type of surgery and any predisposing factors which may have contributed. The incidence of airway problems in this study was found to be 2.8%, which was in agreement with previous studies and appears too low to warrant a full-time anaesthetic presence.
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Two hundred and ten obstetric anaesthetists completed a questionnaire assessing how they would perform a rapid sequence induction of anaesthesia for a Caesarean section and their continued management during a failed tracheal intubation. The survey revealed considerable variation in the timing and application of cricoid pressure, the choice and dose of drugs used and the timing of their administration. The management of a difficult intubation also varied. ⋯ There appear to be at least two distinct techniques in current practice, characterised by 'fast' or 'slow' rapid sequence induction. Rapid sequence induction is clearly not a standard technique and debate is necessary to clarify the risks and benefits of its components. In particular, the rapidity of the technique and the application of cricoid pressure may contribute to the increased incidence of difficult tracheal intubation in obstetric anaesthesia.