Anaesthesia
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Case Reports
Total spinal anaesthesia after an attempted brachial plexus block using the posterior approach.
A 66-year-old patient scheduled for elective shoulder surgery underwent a brachial plexus block using the posterior approach. Shortly after injection of the local anaesthetic, he rapidly became unresponsive and apnoeic. We identify the possible reasons for this occurrence and discuss the place of the posterior approach in brachial plexus anaesthesia.
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Randomized Controlled Trial Comparative Study
A comparison of tracheal intubation using the Airtraq or the Macintosh laryngoscope in routine airway management: A randomised, controlled clinical trial.
The Airtraq laryngoscope is a novel single use tracheal intubation device. We compared the Airtraq with the Macintosh laryngoscope in patients deemed at low risk for difficult intubation in a randomised, controlled clinical trial. Sixty consenting patients presenting for surgery requiring tracheal intubation were randomly allocated to undergo intubation using a Macintosh (n = 30) or Airtraq (n = 30) laryngoscope. ⋯ In comparison to the Macintosh laryngoscope, the Airtraq resulted in modest improvements in the intubation difficulty score, and in ease of use. Tracheal intubation with the Airtraq resulted in less alterations in heart rate. These findings demonstrate the utility of the Airtraq laryngoscope for tracheal intubation in low risk patients.
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Randomized Controlled Trial
A comparison of nerve stimulator guided paravertebral block and ilio-inguinal nerve block for analgesia after inguinal herniorrhaphy in children.
The aim of this study was to compare the efficacy of nerve stimulator guided paravertebral block with ilio-inguinal nerve block in children undergoing inguinal herniorrhaphy. Eighty children were randomly allocated to receive either paravertebral block or ilio-inguinal nerve block. Each block was evaluated in terms of intra-operative haemodynamic stability, postoperative pain scores at rest, on movement and during activity, requirement for supplemental analgesia and parental satisfaction. ⋯ Pain scores and analgesic consumption were significantly lower in the paravertebral block group during the postoperative follow-up period (p < 0.05). Parental satisfaction (93%vs 69%) and surgeon satisfaction (93%vs 64%) were significantly higher in the paravertebral block group (p < 0.05). Paravertebral blockade improved and prolonged postoperative analgesia, and was associated with greater parental and surgeon satisfaction when compared to ilio-inguinal nerve block.
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Emergence agitation can occur following recovery from general anaesthesia. The patient may exhibit aggressive behaviour, disorientation, agitation and restlessness. Untreated, this complication may result in significant morbidity. ⋯ In the second case, droperidol was used to treat emergence agitation in a morbidly obese patient with a difficult airway who was aggressive and difficult to restrain. Both of these patients remained calm and co-operative, with stable cardio-respiratory parameters, following the administration of droperidol and showed no further signs of agitation. We suggest that droperidol is an effective medication that may be used to prevent and treat severe emergence agitation due to its rapid sedative effect and minimal cardio-respiratory depression.