This study used a patient simulator to study the ease of use and efficacy of four currently available cricothyroidotomy sets. We assessed the success of insertion of each piece of equipment and measured the subsequent adequacy of oxygenation and ventilation. We also examined the complications encountered using each set. We found that there was a 100% success rate of achieving an adequate airway within acceptable time limits using the 'Quiktrach' and 'Melker' sets, with good airway patency and ease of ventilation. There was an unacceptably high failure rate in achieving a patent airway when using the 'Transtracheal airway catheter with ENK-flow modulator' and 'Patil's airway'. The pre-assembled and user-friendly 'Quiktrach' set provided the fastest and most effective means of oxygenation in the simulated patient requiring an emergency surgical airway.

SummaryIn a randomised, double-blinded, two-centre trial we evaluated the effect of a microbiological filter (SuporÒ, Pall Life Sciences) on propofol injection pain. We studied 336 unpremedicated adult patients, who graded pain experienced during induction of anaesthesia with propofol on a 4-point verbal rating scale. Use of the microfilter reduced both the incidence and severity of propofol injection pain (p < 0.001). Incidence of severe pain in the filter group was 2.4% compared with 16.6% in the control group. Overall, 33.7% in the filter group experienced pain compared with 62.1% in the control group. A microbiological filter may provide a non-pharmacological alternative to a lidocaine ⁄ propofol mixture for reducing injection pain. It would also reduce the risk of any glass and bacterial contamination.

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The use of a newly developed aid to jet ventilation of the lungs, a modified Ben-Jet tube (the Hunsaker Monjet tube), is described in a patient with partial upper airway obstruction. This report highlights an unusual use of this device. The Monjet is a fluoroplastic, monitored, self-centring, fine bore tube that can be inserted from the mouth through to the subglottic region. It was originally developed to anaesthetize healthy patients without airway obstruction who were undergoing suspension microlaryngoscopy.

SummaryWe report a case of epidural abscess and pyogenic cervical discitis, following a stellate ganglion block performed for pain relief. The patient presented with quadriplegia 12 days following the stellate ganglion block. Magnetic resonance imaging confirmed the diagnosis of an epidural abscess. The patient recovered full limb function after surgical drainage. This is the first report of cervical epidural abscess as a direct complication of this procedure.