Hirabayashi Y, Fujita A, Seo N, Sugimoto H
Department of Anaesthesiology and Critical Care Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke-ku, Tochigi 329-0498, Japan.
Anaesthesia. 2007 Oct;62(10):1050-5. doi: 10.1111/j.1365-2044.2007.05188.x.
The Airway Scope is a new rigid laryngoscope. This intubation device provides a non-line-of sight view of the glottis. A non-line-of sight view is expected to cause less movement of the cervical spine during laryngeal visualisation. We compared the degree of cervical spine movement during laryngoscopy with the Airway Scope and conventional direct laryngoscope. Twenty patients requiring general anaesthesia and tracheal intubation were studied. Movements of the cervical spine were measured using radiography in the same patient during laryngoscopy with the Airway Scope and a Macintosh laryngoscope. Cervical spine movement during laryngoscopy with the Airway Scope was 37%, 37% and 68% less than that with the Macintosh laryngoscope at the C0/C1, C1/C2 and C3/C4 motion segments, respectively (p < 0.05). The movement of the atlanto-occipital distance using the Airway Scope was 42% less than that during laryngoscopy using the Macintosh laryngoscope (p < 0.05). Laryngoscopy using the Airway Scope involves less movement of the cervical spine compared to conventional laryngoscopy using the Macintosh laryngoscope.
气道镜是一种新型硬质喉镜。这种插管设备可提供声门的非直视视野。非直视视野预计在喉镜检查期间会使颈椎的活动较少。我们比较了使用气道镜和传统直接喉镜进行喉镜检查时颈椎的活动程度。对20例需要全身麻醉和气管插管的患者进行了研究。在同一患者使用气道镜和麦金托什喉镜进行喉镜检查期间，使用X射线摄影测量颈椎的活动情况。在C0/C1、C1/C2和C3/C4运动节段，使用气道镜进行喉镜检查时颈椎的活动分别比使用麦金托什喉镜时少37%、37%和68%（p<0.05）。使用气道镜时寰枕距离的移动比使用麦金托什喉镜进行喉镜检查时少42%（p<0.05）。与使用麦金托什喉镜的传统喉镜检查相比，使用气道镜进行喉镜检查时颈椎的活动较少。
