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KMID : 0356920130650040306
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Korean Journal of Anesthesiology
2013 Volume.65 No. 4 p.306 ~ p.311
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Intubating laryngeal mask airway as an independent ventilatory and intubation device. A comparison between supine, right lateral and left lateral
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Panwar Mamta
Chauhan Gaurav
Kalita Drubajyoti
Bharadwaj Avnish
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Abstract
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Background: Sudden loss of airway in patients in the lateral position has always been proven to be difficult to manage with conventional laryngoscopy. We performed a randomized controlled trial to prove the success rate of ventilation and intubation in the lateral position via intubating laryngeal mask airway (ILMA).
Methods: Ninety patients were divided into three groups of 30 patients each, positioned supine, right lateral, and left lateral randomly. Each group comprised of both sexes of American Society of Anesthesiologists grade I and II, aged between 18-55 years with normal airway posted for surgery under general anesthesia. Patients were pre-medicated with fentanyl followed by induction with propofol and neuromuscular blockade with rocuronium. ILMA was inserted and blind tracheal intubation via ILMA was done. The success rate, time taken and the number of adjusting maneuvers used for both procedures were recorded. The data was tabulated and analyzed using ANOVA (analysis of variance), multiple ’t’ test and chi square.
Results: The success rate of intubation (96%) and time taken in insertion and intubation was found to be quite similar in all the three groups.
Conclusions: We conclude that the ILMA has an important role to play in the emergency management of airways in patients in the lateral position in terms of ease, success rate and time taken.
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KEYWORD
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Endotracheal intubation, Fentanyl, Propofol
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