Document Detail

Does experience influence the forces exerted on maxillary incisors during laryngoscopy? A manikin study using the Macintosh laryngoscope.
MedLine Citation:
PMID:  7720158     Owner:  NLM     Status:  MEDLINE    
The influence of the level of experience of the laryngoscopist on the duration of laryngoscopy, the forces exerted on the tongue and on the maxillary incisors during laryngoscopy, were investigated. Five groups (anaesthetists, residents in anaesthesia, nurse anaesthetists, surgeons and medical students), each consisting of 15 individuals, participated in the study. An intubation manikin was used with a laryngoscope modified so that the forces applied during laryngoscopy could be measured. The mean duration of laryngoscopy in these groups was 23.4 sec, 17.6 sec, 27.1 sec, 26.8 sec and 42.7 sec, respectively. The maximally applied forces on the tongue were 71.7 N, 60.5 N, 65.9 N, 74.2 N and 69.7 N, respectively. The maximally applied forces on the maxillary incisors were 49.9 N, 36.3 N, 41.1 N, 58.3 N and 53.9 N, respectively. These results indicate the level of experience has a significant influence on the duration of laryngoscopy but seems to have little influence on the forces applied to the tongue and the maxillary incisors.
M J Bucx; R T van Geel; J T Wegener; C Robers; T Stijnen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Canadian journal of anaesthesia = Journal canadien d'anesthésie     Volume:  42     ISSN:  0832-610X     ISO Abbreviation:  Can J Anaesth     Publication Date:  1995 Feb 
Date Detail:
Created Date:  1995-05-22     Completed Date:  1995-05-22     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8701709     Medline TA:  Can J Anaesth     Country:  CANADA    
Other Details:
Languages:  eng     Pagination:  144-9     Citation Subset:  IM    
Department of Anesthesiology, University Hospital Rotterdam Dijkzigt, Erasmus University Rotterdam, The Netherlands.
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MeSH Terms
Anesthesiology / education
Equipment Design
General Surgery / education
Incisor / physiology*
Internship and Residency
Laryngoscopy / methods
Nurse Anesthetists
Stress, Mechanical
Students, Medical
Time Factors
Tongue / physiology

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

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