Document Detail

Biting the laryngeal mask: an unusual cause of negative pressure pulmonary edema.
MedLine Citation:
PMID:  10674514     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To describe negative pressure pulmonary edema due to biting of the laryngeal mask tube at emergence from general anesthesia. CLINICAL FEATURES: A healthy patient underwent general anesthesia using a laryngeal mask airway and mechanical ventilation. During recovery, the patient strongly bit the laryngeal mask and made very forceful inspiratory efforts until the mask was removed. Five minutes later, the patient developed dyspnea and had an hemoptysis of 50 ml fresh blood. Chest radiograph showed bilateral alveolar infiltrates. Pharyngo-laryngeal examination was normal. Bronchoscopy revealed no injury but diffuse pink frothy edema fluid. Clinical examination and chest radiograph became normal after 12 hr of nasal oxygen therapy confirming airway obstruction as the most available cause of this pulmonary edema. CONCLUSION: Airway obstruction due to biting of a laryngeal mask tube may result in negative pressure pulmonary edema.
J M Devys; C Balleau; C Jayr; J L Bourgain
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Canadian journal of anaesthesia = Journal canadien d'anesthésie     Volume:  47     ISSN:  0832-610X     ISO Abbreviation:  Can J Anaesth     Publication Date:  2000 Feb 
Date Detail:
Created Date:  2000-02-24     Completed Date:  2000-02-24     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8701709     Medline TA:  Can J Anaesth     Country:  CANADA    
Other Details:
Languages:  eng     Pagination:  176-8     Citation Subset:  IM    
Département d'Anesthésie, Institut Gustave Roussy, Villejuif, France.
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MeSH Terms
Airway Obstruction / complications
Laryngeal Masks*
Pulmonary Edema / etiology*

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

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