Articles: intubation.
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The authors bring not only the results of their experience but a solution of the respiratory problems during anaesthesia in suspension laryngoscopy, thanks to the devising of a new intubation probe and a pre-set automatic insufflator with varying volum flow.
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The inflated cuffed endotracheal tube produces a significant depression of tracheal mucous velocity in anesthetized dogs after one hour. This effect occurs with bot low and high compliance cuffs but is not observed with an uncuffed tube. This phenomenon is another factor that must be considered in establishing criteria for the frequency of cuff deflation in patients supported by mechanical ventilators.
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Clinical Trial Controlled Clinical Trial
Topical analgesia before tracheal intubation.
The 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.