Document Detail

Disposable laryngeal tube suction--a randomized comparison of two insertion techniques performed by novice users in anaesthetised patients.
MedLine Citation:
PMID:  17935855     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Laryngeal tubes are supraglottic airway devices that can be used in alternative to a tracheal tube to provide ventilation during cardiopulmonary resuscitation. The product line has recently been expanded by the disposable laryngeal tube suction (LTS-D). We tested the hypothesis that, with a modified insertion technique (MIT), the rate of correct placement attempts within 45 s could be significantly increased compared to the standard insertion technique (SIT) recommended by the manufacturer. METHODS: Fifty-four adult patients undergoing trauma surgery under general anaesthesia had an LTS-D inserted by first-time users, randomly assigned to the SIT or a MIT. A brief manikin-based demonstration of the device and the assigned technique was given before insertion. In the MIT the tip of the LTS-D was rotated by 180 degrees prior to insertion. Forced chin lift to create sufficient retropharyngeal space was performed with the other hand. Introduced to one-third of its length, the LTS-D was again rotated by 180 degrees and pushed down the pharynx. The rate of successful tube placements within 45 s was the main outcome variable. RESULTS: Insertion took 73+/-41 s (SIT) and 40+/-8s (MIT, P<0.01). Insertion within 45 s was possible in n=7/27 patients (26%, SIT) and in n=20/27 patients (74%, MIT, P<0.01). In one patient of the MIT group, placement failed. Non-anaesthesia personnel, such as nurses and emergency medical technicians (n=27), performed comparably to board-certified anaesthesiologists or those in training (n=27). CONCLUSION: Applying a MIT significantly reduced the time for successful insertion of an LTS-D by first-time users. Insertion within 45 s was significantly more frequent with this technique. Further studies need to be conducted to determine if the LTS-D can be recommended as a first-line airway during cardiopulmonary resuscitation.
Richard Schalk; Bertram Scheller; Oliver P Habler; Jens Meier; Dirk Meininger; Christian Byhahn
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2007-11-01
Journal Detail:
Title:  Resuscitation     Volume:  76     ISSN:  0300-9572     ISO Abbreviation:  Resuscitation     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-02-11     Completed Date:  2008-06-03     Revised Date:  2009-08-25    
Medline Journal Info:
Nlm Unique ID:  0332173     Medline TA:  Resuscitation     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  364-8     Citation Subset:  IM    
Department of Anaesthesiology, Intensive Care Medicine, and Pain Management, J.W. Goethe-University Medical School, Theodor-Stern-Kai 7, D-60590 Frankfurt/M, Germany.
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MeSH Terms
Anesthesia, General
Clinical Competence*
Disposable Equipment
Intubation, Intratracheal / methods*
Laryngeal Masks*
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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