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Clinical Trial Controlled Clinical Trial
Topical analgesia before tracheal intubation.
- J Curran, C Hamilton, and T Taylor.
- Anaesthesia. 1975 Nov 1;30(6):765-8.
AbstractThe major toxic effects of local analgesic drugs are regarded as due to over-dosage. A technique of topical analgesia for tracheal intubation using lignocaine is described based on spraying the pyriform fossae to effect a superior laryngeal nerve block combined with topical analgesia of larynx and trachea which avoids excessive exposure of the lowere airway to the local analgesic. The results show lower levels of venous blood lignocaine with slower absorption of the agent than when similar doses are applied to the trachea. This method is accordingly recommended.
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