Department of Anesthesiology, Aichi Gakuin University School of Dentistry, 2-11 Suemori-dori, Chikusaku, Nagoya, 464-8651, Japan.
BMC Anesthesiol. 2019 Jan 12;19(1):12. doi: 10.1186/s12871-018-0678-2.
Airway Scope (AWS) with its plastic blade does not require a head-tilt or separate laryngoscopy to guide intubations. Therefore, we hypothesized that its use would reduce the intubation time (IT) and the frequency of airway complication events when compared with the use of Macintosh Laryngoscope (ML) for infants with cleft lip and palate (CLP).
The parents of all patients provided written consents; we enrolled 40 infants with CLP (ASA-PS 1). After inducing general anesthesia using sevoflurane and rocuronium, we performed orotracheal intubations using either AWS (n = 20) or ML (n = 20), randomly. We define the duration between manual manipulation using cross finger for maximum mouth opening and the first raising motion of the chest following intubation by artificial ventilation as "IT;" further, the measured IT as primary outcomes. Airway complications were considered secondary outcomes. Moreover, we looked for associations between IT and the patient's characteristics: extensive clefts, age, height, and weight. We used the Mann-Whitney test and Fisher's exact probability test for statistical analysis; p < 0.05 was considered as statistically significant.
The mean IT was 31.5 ± 8.3 s in AWS group and 26.4 ± 8.9 s in ML group. Statistical significant difference was not found in IT between the two groups. The IT of AWS group was statistically related to extensive clefts. Airway complications were detected in ML group.
AWS could be useful for intubation of infants with CLP; it required IT similar to that required using ML, with a lower rate of airway complications.
UMIN-CTR Registration number UMIN000024763 . Registered 8 November 2016.
气道内镜（AWS）的塑料叶片不需要头倾或单独的喉镜来引导插管。因此，我们假设与使用 Macintosh 喉镜（ML）相比，它在唇腭裂（CLP）婴儿中使用时会减少插管时间（IT）和气道并发症事件的发生频率。
所有患者的父母均签署了书面同意书；我们招募了 40 名唇裂腭裂（ASA-PS 1）婴儿。在使用七氟醚和罗库溴铵诱导全身麻醉后，我们使用 AWS（n=20）或 ML（n=20）随机进行经口气管插管。我们将手动操作（用交叉手指进行最大张口）与人工通气后第一抬胸运动之间的持续时间定义为“IT”；进一步将测量的 IT 作为主要结果。将气道并发症视为次要结果。此外，我们还研究了 IT 与患者特征之间的关联：广泛的裂隙、年龄、身高和体重。我们使用曼-惠特尼检验和 Fisher 确切概率检验进行统计分析；p<0.05 被认为具有统计学意义。
AWS 组的平均 IT 为 31.5±8.3s，ML 组为 26.4±8.9s。两组间 IT 无统计学差异。AWS 组的 IT 与广泛裂隙有关。ML 组检测到气道并发症。
AWS 可用于 CLP 婴儿的插管；它需要与使用 ML 相似的 IT，且气道并发症的发生率较低。
UMIN-CTR 注册号 UMIN000024763。于 2016 年 11 月 8 日注册。
