British Journal of Anaesthesia, Vol 82, Issue 1 135-136, Copyright © 1999 by The Board of Management and Trustees of the British Journal of Anaesthesia
P. Hakala, T. Randell and H. Valli
We 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.
SHORT COMMUNICATIONS
Comparison between tracheal tubes for orotracheal fibreoptic intubation
Department of Anaesthesia, University of Helsinki, Toolo Hospital, FIN-00260, Helsinki, Finland
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