Department of Emergency Medicine and Intensive Care, Asahikawa Medical University, Midorigaoka 2-1-1-1, Asahikawa, Hokkaido, 0788510, Japan.
J Anesth. 2012 Aug;26(4):614-6. doi: 10.1007/s00540-012-1369-7. Epub 2012 Mar 4.
The Parker Flex-Tip(®) tube, in combination with the Pentax-Airwayscope(®) (AWS), is anecdotally reported to facilitate intubation when the AWS tip fails to be inserted behind the epiglottis. We examined whether the Parker tube facilitates intubation when the AWS tip is inserted into the vallecula. Forty patients were randomly assigned into either the standard or Parker tube group. Following general anesthesia induction, AWS intubation was attempted with the blade tip inserted into the vallecula. After obtaining an optimal laryngeal view, the tube was advanced toward the glottis. The laryngoscopist allowed additional adjustment of the blade tip direction when the first tube insertion failed because of involvement or folding of the epiglottis resulting from advancement of the tube. The primary outcome was defined as the success rate for intubation and secondary outcome as the time needed for tube placement. The Parker tube provided both a higher intubation success rate (17/20 vs. 4/20, P < 0.01), and a faster intubation time (17 ± 5 s vs. 25 ± 4 s, P < 0.01), than the standard tube. We conclude the use of the Parker tube in combination with the AWS is an optional technique allowing the laryngoscopist to obtain more reliable intubation success despite insertion of the AWS tip into the vallecula.
帕克 Flex-Tip（®）管与宾得 Airwayscope（®）（AWS）联合使用时，据报道，当 AWS 尖端无法插入会厌后时，可辅助插管。我们研究了当 AWS 尖端插入 vallecula 时，帕克管是否能辅助插管。40 名患者被随机分为标准管组或帕克管组。全身麻醉诱导后，将叶片尖端插入 vallecula 尝试 AWS 插管。获得最佳声门视图后，将管向声门推进。当由于管的推进导致会厌卷入或折叠而导致首次插管失败时，喉镜医师允许进一步调整叶片尖端方向。主要结果定义为插管成功率，次要结果定义为放置管所需的时间。帕克管的插管成功率（17/20 比 4/20，P < 0.01）和插管时间（17 ± 5 s 比 25 ± 4 s，P < 0.01）均高于标准管。我们得出结论，与 AWS 联合使用帕克管是一种可选技术，即使 AWS 尖端插入 vallecula，也能使喉镜医师获得更可靠的插管成功率。
