COMPARISON OF THE USABILITY OF AIRTRAQ<sup>®</sup>, KINGVISION<sup>®</sup> AND AIRWAYSCOPE<sup>®</sup> FOR ORAL INTUBATION IN NORMAL AIRWAY PATIENTS

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  • MARUI Terumi
    Department of Anesthesiology, Showa University Fujigaoka Hospital
  • KUWASAKO Yuto
    Department of Anesthesiology, Showa University Fujigaoka Hospital
  • SHINODA Taketo
    Department of Anesthesiology, Showa University Fujigaoka Hospital
  • MORI Naohiro
    Department of Anesthesiology, Showa University Toyosu Hospital
  • OTAKE Hiroshi
    Department of Anesthesiology, Showa University School of Medicine

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Other Title
  • 3種類のビデオ喉頭鏡Airtraq<sup>®</sup>，Kingvision<sup>®</sup>，Airwayscope<sup>®</sup>の気管挿管の操作性の比較検討
  • 3種類のビデオ喉頭鏡Airtraq,Kingvision,Airwayscopeの気管挿管の操作性の比較検討
  • 3シュルイ ノ ビデオ コウトウキョウ Airtraq,Kingvision,Airwayscope ノ キカンソウカン ノ ソウサセイ ノ ヒカク ケントウ

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Abstract

Background: Several types of new indirect laryngoscopes have been developed recently. Some studies have suggested that these laryngoscopes are advantageous over the traditional Macintosh laryngoscope. However, there are only a few studies investigating the usability of those devices. In this study, we evaluated the usability of three types of indirect laryngoscope, Airtraq (ATQ), Kingvision (KV) and Airwayscope (AWS), for routine airway management in terms of intubation time and the view of the glottis. Method: A total of 90 patients scheduled for elective operation were randomly allocated to three groups. All of the patients were evaluated as having a normal airway. In each group, ATQ, KV or AWS were used for oral intubation. All procedures were performed by staff anesthesiologists who had similar levels of experience with these devices. The time for intubation, the Cormack scores of the view of the glottis and the complications during and after oral intubation were documented and compared among those groups. Results: Intubation time of ATQ group (40.0 ± 11.4sec) was significantly longer than that of KV (28.3 ± 6.1sec) and AWS (28.4 ± 7.2sec) groups (p < 0.0001). The glottis view of AWS groups was superior to that of ATQ group (p < 0.005). Conclusion: We compered the usability of three newly developed indirect laryngoscopes. KV and AWS showed significant advantages over ATQ in terms of intubation time. More investigations are still needed to evaluate the usability of these three laryngoscopes for various clinical situations.

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