An observational study to determine whether alignment of endotracheal tube indicator line with the vocal cords results in appropriate depth of intubation

IF 0.1 Q4 ANESTHESIOLOGY
M. Kapoor, T. Salwan, S. Garg, Anisha Puri, V. Gupta
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引用次数: 0

Abstract

Background: Inappropriate endotracheal tube placement depth may be associated with complications. Objective: To determine whether the accurate alignment of the indicator ring on the endotracheal tube at the level of the vocal cords, results in its appropriate placement. Design: Prospective observational study. Patients: 98 adult patients scheduled for general anesthesia with orotracheal intubation. Interventions: The indicator band mark on the endotracheal tube was accurately placed at the vocal cords level under video-laryngoscope view. The tube length at the right upper incisor and the distance between its tip and the carina was measured using fibreoptic bronchoscope. Data to validate methods to predict insertion depth was collected and evaluated. Main Outcome: To determine the distance between the tip of the endotracheal tube and the carina. Results: The endotracheal tube tip depth was inap- propriate in 46.94% cases and was <3 cm above the carina in 41.64% cases. This difference in this distance was similar (p = 0.246) in the two genders. A correlation was noted between topographic length and insertion depth in females only (r2 = 0.201 and p = 0.001). The mean tracheal length was 12.66 + 1.35 cm in males and 12.04 + 1.26 cm in females. Conclusion: We found a high incidence of endo- tracheal tube tip malposition despite the accurate placement of the indicator band at the vocal cords level. We suggest that international endotracheal tube design standards be defined and endotracheal tube manufacturers modify the standard intratracheal length.
一项观察性研究,以确定气管插管指示线和声带的对齐是否导致适当的插管深度
背景:不合适的气管插管放置深度可能与并发症有关。目的:探讨气管插管指示环在声带水平的准确对准是否能使指示环的位置正确。设计:前瞻性观察研究。患者:98例成人患者行口气管插管全麻。干预措施:在可视喉镜下将气管内管指示带标记准确放置于声带水平。在纤维支气管镜下测量右上切牙管的长度及其尖端到隆突的距离。收集和评估数据以验证预测插入深度的方法。主要目的:确定气管导管尖端与隆突之间的距离。结果:46.94%的患者气管插管尖端深度合适,41.64%的患者气管插管尖端深度在隆突上方< 3cm。这一距离的差异在两性中是相似的(p = 0.246)。地形长度和插入深度仅在女性中存在相关性(r2 = 0.201, p = 0.001)。男性平均气管长度为12.66 + 1.35 cm,女性平均气管长度为12.04 + 1.26 cm。结论:我们发现尽管在声带水平准确放置指示带,但气管内管尖端错位的发生率很高。我们建议制定国际气管内管设计标准,气管内管制造商修改气管内管长度标准。
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来源期刊
CiteScore
0.20
自引率
0.00%
发文量
2
期刊介绍: L’Acta Anaesthesiologica Belgica est le journal de la SBAR, publié 4 fois par an. L’Acta a été publié pour la première fois en 1950. Depuis 1973 l’Acta est publié dans la langue Anglaise, ce qui a été résulté à un rayonnement plus internationaux. Depuis lors l’Acta est devenu un journal à ne pas manquer dans le domaine d’Anesthésie Belge, offrant e.a. les textes du congrès annuel, les Research Meetings, … Vous en trouvez aussi les dates des Research Meetings, du congrès annuel et des autres réunions.
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