Do mask aperture bars of extraglottic airway devices prevent prolapse of epiglottis causing airway obstruction? A randomized crossover trial in anesthetized adult patients
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- 作者：Tom C.R.V. Van Zundert ; MD ; PhD ; EDRAa ; b ; tomvanzundert@icloud.com" class="auth_mail" title="E-mail the corresponding author (Senior Registrar) ; Jan F.A. Hendrickx ; MD ; PhDb ; jcnwahendrickx@yahoo.com" class="auth_mail" title="E-mail the corresponding author (Staff Anesthesiologist) ; Jan L. De Witte ; MDb ; Jan.De.Witte@olvz-aalst.be" class="auth_mail" title="E-mail the corresponding author (Staff Anesthesiologist) ; David T. Wong ; MDc ; David.Wong@uhn.ca" class="auth_mail" title="E-mail the corresponding author (Professor of Anesthesiology) ; Davide Cattano ; MD ; PhDd ; davide.cattano@uth.tmc.edu" class="auth_mail" title="E-mail the corresponding author (Ass. Professor of Anesthesiology) ; Joseph R. Brimacombe ; MD ; PhD ; FANZCAe ; jbrimaco@bigpond.net.au" class="auth_mail" title="E-mail the corresponding author (Professor of Anesthesiology)
- 关键词：General anesthesia ; Laryngeal mask ; Mask aperture bars ; Complications
- 刊名：Journal of Clinical Anesthesia
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：31
- 期：Complete
- 页码：231-237
- 全文大小：690 K
文摘
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The LMA-Classic was developed with 2 mask aperture bars (MABs) in order to prevent a large epiglottis from falling into the aperture.
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Crossover comparison of 4 extraglottic airway devices (EADs) with and without MABs.
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Endoscopic evaluation does not demonstrate any difference in anatomical position between the EADs with or without MABs.
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Contact and herniation of the laryngeal structures are seen more frequently when more than 2 MABs are present.