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2006 | 1 | 2 | 162-171

Article title

A clinical comparison of the Laryngeal Tube™ and the Laryngeal Mask™ in spontaneously breathing anesthetized patients


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Abstract: Background: The laryngeal mask airway (LMA) can be used in general anaesthesia without neuromuscular block. The laryngeal tube (LT) is a new airway device with similar airway features as LMA. LT is provided with a distal cuff to prevent regurgitation. In this study we compared the LMA and LT concerning patient and user aspects.Methods: Sixty patients with ASA (American Society of Anestesiologists) score 1–2 scheduled for minor surgery were randomized to be ventilated either through LMA or LT. After insertion, the number of insertion attempts, and “positioning” and “airway-assessment” was evaluated. The patients reported on “sore throat” after 30 and 60 minutes and the day after anaesthesia.Results: Gender and mean age were equal in both groups. The first insertion attempt was successful in 25 of 28 patients randomised to LMA and in 23 of 27 patients randomised to LT. LMA was evaluated to be easier in “positioning” whereas no difference in “sore throat” was reported.Conclusion: We found no difference between the LMA and the LT in terms user and patient friendliness and safety.










Physical description


1 - 6 - 2006
1 - 6 - 2006


  • Karolinska Institutet, Department of Clinical Sciences, Division of Anaesthesia and Intensive Care, Danderyds Hospital, Stockholm, 182 88, Sweden
  • Karolinska Institutet, Department of Clinical Sciences, Division of Anaesthesia and Intensive Care, Danderyds Hospital, Stockholm, 182 88, Sweden
  • Karolinska Institutet, Department of Clinical Sciences, Division of Anaesthesia and Intensive Care, Danderyds Hospital, Stockholm, 182 88, Sweden
  • Department of Anesthesiology and Intensive Therapy, Medical University Wroclaw, 50-368, Wroclaw, Poland


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