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Randomized Controlled Trial Comparative Study Clinical Trial
Comparison between tracheal tubes for orotracheal fibreoptic intubation.
- P Hakala, T Randell, and H Valli.
- Department of Anaesthesia, University of Helsinki, Töölö Hospital, Finland.
- Br J Anaesth. 1999 Jan 1;82(1):135-6.
AbstractWe have compared impingement of the tracheal tube against the larynx using a standard preformed tube, warmed preformed tube or two flexible spiral-wound tracheal tubes with different tip designs, in 100 adult patients undergoing orotracheal fibreoptic intubation under general anaesthesia, in a prospective, randomized study. The rates of impingement were 20 of 30 with the standard tube, 12 of 30 with the warmed standard tube (P = 0.07) and eight of 20 with both spiral tubes. However, impingement with the spiral tubes took longer to overcome if a sharp tipped rather than an obtuse tipped tube was used. Manipulations after impaction led to oesophageal intubation in one patient, and in one patient fibreoptic intubation failed. We conclude that resistance to the tracheal tube occurred frequently when the spiral-wound tubes were used.
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