Anaesthesia
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A caudal epidural catheter was inserted in 20 premature, high risk infants for abdominal or thoracic surgery under combined caudal epidural and general anaesthesia. Epidurography was used to confirm the position of the catheter which was found to be misplaced in three patients. The catheter penetrated the dura in one case, in another the tip was located in an epidural vessel and in the third the catheter was seen to be curled up within the epidural space. It was concluded that epidurographic control is essential with this method of anaesthesia in very small infants, in whom it was found to provide considerable advantages despite serious risks.
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Clinical Trial Controlled Clinical Trial
Relief of injection pain in adults. EMLA cream for 5 minutes before venepuncture.
The effectiveness of skin anaesthesia after 5 minutes' topical application of a lignocaine-prilocaine cream was evaluated. One hundred and twenty patients estimated the pain of antecubital venepuncture both on a linear scale and verbally after use of the cream for either 5 or 60 minutes, a placebo cream or no treatment. Reported pain was significantly less after only 5 minutes of the lignocaine-prilocaine cream (p = 0.002). The cream can be used to relieve the pain of all routine injections.
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The records of 160 day-care surgical patients who received intrathecal anaesthesia were reviewed. No major complications were recorded. ⋯ The occurrence of postspinal headache in patients over the age of 45 years was significantly less frequent (p less than 0.05) than in younger patients. Intrathecal anaesthesia was acceptable to 91% of outpatients in this group.
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Biography Historical Article
The Trilite inhaler. An historical review and performance assessment.
The Trilite inhaler was developed for use in World War II. Its efficient performance is confirmed and a brief biography of its inventor is also given.
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Randomized Controlled Trial Clinical Trial
Successful difficult intubation. Tracheal tube placement over a gum-elastic bougie.
A randomised study was carried out to assess the effect of tracheal tube rotation on the passage of a tube over a gum-elastic bougie into the trachea in 100 patients. The effect of the presence or absence of a laryngoscope on successful tube placement was also assessed. A grade 3 difficult intubation was simulated in patients with a laryngoscope. ⋯ The unsuccessful first-time intubations with a 0 degree orientation were frequently converted to successful intubations with the -90 degrees position at a second attempt. The presence of a laryngoscope in the mouth while rail-roading a tube over the bougie also made a significant difference to the rate of successful first-time intubations. The most successful method was to leave the laryngoscope in the mouth and rotate the tube to -90 degrees.