Use of the laryngeal tube in 100 patients
Background: The laryngeal tube has a potential role during anaesthesia, but there have been only a few studies assessing its efficacy during the entire course of anaesthesia, and all previous studies used prototypes. We studied 100 patients to assess the efficacy of a new laryngeal tube during the...
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Published in | Acta anaesthesiologica Scandinavica Vol. 47; no. 7; pp. 828 - 832 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Oxford, UK
Munksgaard International Publishers
01.08.2003
Blackwell |
Subjects | |
Online Access | Get full text |
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Summary: | Background: The laryngeal tube has a potential role during anaesthesia, but there have been only a few studies assessing its efficacy during the entire course of anaesthesia, and all previous studies used prototypes. We studied 100 patients to assess the efficacy of a new laryngeal tube during the entire course of anaesthesia.
Methods: After induction of anaesthesia, the laryngeal tube was inserted (up to two times) and adequacy of ventilation was assessed. The airway pressure at which gas leaked around the device was measured. The device was used during anaesthesia, while ventilation was controlled. The device was removed after the patient had opened the mouth to verbal command. Any complications during and after anaesthesia were recorded.
Results: Ventilation was possible at the first attempt in 90 patients, at the second attempt in another seven patients, and adequate ventilation failed after two attempts in three patients. Median (interquartile range) leak pressure was 28 (22–30) cmH2O. In all 97 patients, the laryngeal tube was used until the end of surgery. However, in two of the 97 patients the airway was partially obstructed during anaesthesia and it was necessary to reposition the device. The laryngeal tube was tolerated well during emergence from anaesthesia. No hypoxia, regurgitation, vomiting or laryngospasm occurred in any patient. On removal of the laryngeal tube, no blood was detected on the device and no apparent ischaemic changes to the tongue were observed in any patient. Post‐operatively, six patients complained of a mild sore throat, and no patient complained of difficulty in swallowing or numbness of the oropharynx.
Conclusion: The laryngeal tube can be useful for maintaining a patent airway during anaesthesia. |
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Bibliography: | ArticleID:AAS183 ark:/67375/WNG-X1G5MQWN-2 istex:6E41FD1549B9625887F480FC153E59106E925C5C ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0001-5172 1399-6576 |
DOI: | 10.1034/j.1399-6576.2003.00183.x |