Articles: intubation.
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Ann Oto Rhinol Laryn · Jan 1985
Endotracheal tube movement in the preterm neonate: oral versus nasal intubation.
Endotracheal intubation of a preterm infant cadaver was performed both orally and nasally to assess the relative movement of the endotracheal tube with changes in head position. For each method of intubation, anteroposterior radiographs were obtained with the head in neutral, flexed, extended, and laterally rotated positions. The results indicate slightly increased movement of the nasotracheal tube with flexion and rotation, and markedly increased movement with extension. The possible relationship between tube movement and the development of subglottic stenosis is discussed.
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Kinking and compression of endotracheal tubes may lead to serious problems. Such complications are assumed to occur more often for smaller endotracheal tubes used in adult practise in order to reduce to trauma of intubation. ⋯ Only small differences were measured between different dimensions and types. In contrast smaller endotracheal tubes were considerable less resistant to edge compression than larger dimensions.
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Randomized Controlled Trial Comparative Study Clinical Trial
Comparison of intubating conditions with atracurium, vecuronium and pancuronium.
A blind trial, comparing time of onset of satisfactory conditions for tracheal intubation with atracurium 0.6 mg/kg, vecuronium 0.1 mg/kg and pancuronium 0.1 mg/kg is described. Intubation was attempted at 30-second intervals in 60 patients, randomly allocated to receive one of the above muscle relaxants. ⋯ Patients receiving either vecuronium 0.1 mg/kg or pancuronium 0.1 mg/kg were able to be intubated between 60 and 240 seconds. The results showed a statistically significant earlier onset of satisfactory intubating conditions with atracurium than with vecuronium or pancuronium in these doses but no difference between vecuronium and pancuronium.
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Eighty female patients were allocated randomly to groups, divided in three ways, to investigate the effects of using cuffed p.v.c. v. red rubber tracheal tubes, intermittent adjustment of the cuff volume, and humidification of inspired gases on the incidence and severity of sore throat after tracheal intubation. In addition, the influence of the anaesthetist's participation in the trial was studied by assessing sore throat in a further 60 female patients where the anaesthetists were unaware of the trial. ⋯ If there are any real differences produced by these changes, and if any of them were as large as 15% then, to show with 95% confidence that any difference is at least 10%, would require a trial involving about 1400 patients. Retrospective analysis of the results showed no difference between patients who received suxamethonium and those who did not.
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Otolaryngol Head Neck Surg · Dec 1984
The patient requiring mechanical ventilatory support: use of the cuffed tracheostomy "talk" tube to establish phonation.
Many patients requiring mechanical ventilatory support via a cuffed tracheostomy tube possess a normal larynx and intact linguistic and cognitive abilities yet are unable to communicate normally because of the interruption of airflow through the intact larynx. The usual alternative means of communication such as writing, gesturing, or the use of an electrolarynx have obvious limitations and are often impossible when there is neurologic motor impairment. Frustration, depression, and compromised medical care are frequent side effects of the patient's inability to communicate. ⋯ Reasons for success or failure have been unclear. We wish to report experience with the single-cuffed tracheostomy "talk" tube in 19 patients, 14 of whom acquired satisfactory functional laryngeal phonation. Indications for its use, technical aspects of the tube, solutions of common problems, and potential reasons for failure are discussed.