Journal of Anesthesia

, Volume 25, Issue 4, pp 535–539 | Cite as

Comparison of Laryngeal Mask Supreme® and Soft Seal® for airway management in several positions

  • Nobuyasu Komasawa
  • Ryusuke Ueki
  • Akari Fujii
  • Aoi Samma
  • Masashi Nakagawa
  • Shin-ich Nishi
  • Yoshiroh Kaminoh
Original Article

Abstract

Purpose

In emergency situations, rescuers occasionally must secure the airway while the patient is in a position other than the ideal supine position. We hypothesized that the laryngeal mask airway Supreme® (Supreme) may be useful for emergent airway management in several positions and compared the utility of the Supreme with that of the conventional Soft Seal® (Soft Seal) device.

Methods

Nineteen novice doctors in our anesthesia department attempted insertion of the Supreme or Soft Seal device on a simulated manikin in the supine, left lateral decubitus (left-LT), right lateral decubitus (right-LT), prone, and sitting positions. For each device, successful ventilation attempts, mean time to secure the airway, and difficulty of use [using the visual analog scale (VAS)] were evaluated.

Results

The success rate of ventilation was significantly higher with the Supreme than the Soft Seal in the prone and sitting positions (P < 0.05). Compared with the Soft Seal, time to secure the airway was significantly shorter with the Supreme when the manikin was in the sitting position but not in the other four positions. VAS scores for Supreme use were significantly higher than those for Soft Seal use in the right-LT, prone, and sitting positions.

Conclusion

Airway management attempts by novice doctors were more successful with the Supreme than the Soft Seal in the right-LT, prone, and sitting positions in the manikin. The Supreme may therefore be useful for emergent airway management.

Keywords

Laryngeal Mask Supreme® Laryngeal Mask Soft Seal® Airway management Manikin Body position 

Notes

Conflict of interest

The authors have no affiliation with the manufacturer of any device described in the manuscript and declare no financial interest in relation to the material described in the manuscript. Financial support for the study was provided by our institution and department.

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Copyright information

© Japanese Society of Anesthesiologists 2011

Authors and Affiliations

  • Nobuyasu Komasawa
    • 1
  • Ryusuke Ueki
    • 1
  • Akari Fujii
    • 1
  • Aoi Samma
    • 1
  • Masashi Nakagawa
    • 2
  • Shin-ich Nishi
    • 3
  • Yoshiroh Kaminoh
    • 4
  1. 1.Department of AnesthesiologyHyogo College of MedicineNishinomiyaJapan
  2. 2.Division of AnesthesiologyKinan HospitalTanabeJapan
  3. 3.Division of Intensive Care UnitHyogo College of MedicineNishinomiyaJapan
  4. 4.Central Surgical CenterHyogo College of MedicineNishinomiyaJapan

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