A randomised controlled trial comparing two insertion techniques for the Laryngeal Mask Airway Flexible™ in patients undergoing dental surgery

Summary The Laryngeal Mask Airway FlexibleTM (LMA Flexible) has been widely utilised for dental, ophthalmology and otorhinolaryngology‐related procedures. Our study evaluates two different techniques of inserting the LMA Flexible for patients undergoing day‐case dental surgery. One hundred and eight...

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Bibliographic Details
Published in:Anaesthesia 2012-09, Vol.67 (9), p.986-990
Main Authors: Choo, C. Y., Koay, C. K., Yoong, C. S.
Format: Article
Language:English
Subjects:
Adult
Aged
Airway management
Airway Obstruction - diagnosis
Airway Obstruction - etiology
Airway Obstruction - prevention & control
Ambulatory Surgical Procedures
Anesthesia
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Anesthesiology
Biological and medical sciences
Blood Pressure - physiology
Carbon Dioxide - metabolism
Clinical trials
Comparative studies
Dental surgery
Female
Fiber Optic Technology
Heart Rate - physiology
Humans
Laryngeal Masks
Laryngoscopy - methods
Male
Medical sciences
Middle Aged
Oral Surgical Procedures - methods
Pharyngitis - epidemiology
Pharyngitis - etiology
Postoperative Complications - epidemiology
Tooth - surgery
Treatment Outcome
Young Adult
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Summary:Summary The Laryngeal Mask Airway FlexibleTM (LMA Flexible) has been widely utilised for dental, ophthalmology and otorhinolaryngology‐related procedures. Our study evaluates two different techniques of inserting the LMA Flexible for patients undergoing day‐case dental surgery. One hundred and eight patients were randomly assigned into two groups based on the LMA Flexible insertion technique – either laryngoscopy‐guided (n = 54) or digital manipulation (standard technique; n = 54). Patient and airway characteristics were recorded before induction of anaesthesia. The primary outcome was success rate at first insertion. Other outcomes assessed included fibreoptic assessment of laryngeal mask airway placement, haemodynamic changes, need for airway adjustment during surgery and sore throat. The success rate of insertion on the first attempt was higher for the laryngoscopy‐assisted technique compared with the standard technique (96.3% vs 81.5%, respectively, p 
ISSN:0003-2409
1365-2044
DOI:10.1111/j.1365-2044.2012.07167.x