| Comparison of three disposable extraglottic airway devices in spontaneously breathing adults: the LMA-Unique, the Soft Seal laryngeal mask, and the Cobra perilaryngeal airway. | |
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MedLine Citation:
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PMID: 16732086 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: The authors compared three disposable extraglottic airway devices in spontaneously breathing anesthetized adults: the LMA-Unique (LMA-U; The Laryngeal Mask Company, San Diego, CA), the Soft Seal laryngeal mask (SS-LM; Portex Ltd., Hythe, United Kingdom), and the Cobra perilaryngeal airway (Cobra-PLA; Engineered Medical Systems, Inc. Indianapolis, IN). METHODS: Three hundred twenty consecutive adults (American Society of Anesthesiologists physical status I-III; aged 18-80 yr) were randomly allocated for airway management with one of the three devices. Anesthesia was with fentanyl-propofol for induction and a sevoflurane-nitrous oxide-oxygen-fentanyl mixture for maintenance. Intraoperative data were collected by an unblinded observer about ease of insertion, effective airway time, oropharyngeal leak pressure, anatomical position (determined with a rigid endoscope), intracuff pressure changes, and airway trauma. Data were collected by a blinded observer about sore throat, dysphagia, and dysphonia 2 h after surgery. RESULTS: Insertion was easier with the LMA-U and SS-LM than with the Cobra-PLA (P < 0.02), but the overall failure rates were similar. Effective airway times were similar among groups. Oropharyngeal leak pressure was lower with the LMA-U than with the SS-LM and Cobra-PLA (P < 0.001). Intracuff pressure increased during surgery with all extraglottic airway devices. Anatomical position was better with the Cobra-PLA than with the SS-LMA (P < 0.001) and better with the SS-LM than with LMA-U (P < 0.001). Blood staining was detected more frequently with the Cobra-PLA than with the LMA-U and SS-LM (P < 0.001), but there were no differences in airway morbidity. CONCLUSION: The LMA-U and SS-LM are easier to insert and cause less trauma than the Cobra-PLA, but the Cobra-PLA has a more effective seal than the LMA-U and better endoscopically determined anatomical position than the LMA-U and SS-LM. |
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Authors:
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André van Zundert; Baha Al-Shaikh; Joseph Brimacombe; Jurgen Koster; Dick Koning; Eric P Mortier |
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Publication Detail:
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Type: Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Anesthesiology Volume: 104 ISSN: 0003-3022 ISO Abbreviation: Anesthesiology Publication Date: 2006 Jun |
Date Detail:
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Created Date: 2006-05-29 Completed Date: 2006-06-29 Revised Date: 2007-05-01 |
Medline Journal Info:
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Nlm Unique ID: 1300217 Medline TA: Anesthesiology Country: United States |
Other Details:
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Languages: eng Pagination: 1165-9 Citation Subset: AIM; IM |
Affiliation:
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Department of Anesthesiology, Intensive Care and Pain Therapy, Catharina Hospital-Brabant Medical School, Eindhoven, The Netherlands. zundert@iae.nl |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Disposable Equipment* Female Humans Intubation, Intratracheal / instrumentation* Laryngeal Masks* Male Middle Aged |
| Comments/Corrections | |
Comment In:
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Anesthesiology. 2007 Mar;106(3):631-2; author reply 631-2
[PMID:
17325523
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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