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The clinical implication of the vocal cords-carina distance in anaesthetized Chinese adults during orotracheal intubation

机译:经口气管插管时麻醉中国成人声带 - 脊柱距离的临床意义

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摘要

Background. Previous studies have identified no strong correlation between patients' height and tracheal length in anaesthetized patients. We have attempted to compare vocal cords-carina distance (VCD) in Chinese patients with the dimensions of five commonly used tracheal tubes. In addition, we attempted to find a surface anatomy measurement that would identify patients with 'short tracheas'. Methods. We measured VCD in 130 anaesthetized Chinese patients with a fibreoptic bronchoscope. Also measurements were obtained of the distal ends of five commonly used tracheal tubes. We undertook various surface anatomy measurements on the patients' chest and neck region to predict those patients with short tracheas. Results. VCD averaged 12.6 (sd 1.4) cm. In seven patients (5%) this distance was particularly short (between 8.8 and 10.4 cm). Many of the commonly used tracheal tubes would be placed close to or beyond the carina when the black intubation guide mark(s) is (are) at the level of the vocal cords. The VCD of ≤11 cm (short trachea) could be predicted by patient height of ≤167.5 cm and a thyrosternal distance of ≤28.5 cm with limited reliability. Conclusions. A significant number of patients with short VCD in our study group could be at risk of endobronchial intubation with many of the tracheal tubes. Patient height and thyrosternal distance can be useful in predicting short tracheas. © Copyright 2006 Oxford University Press.
机译:背景。先前的研究发现麻醉患者的身高与气管长度之间无强相关性。我们试图比较五种常用气管导管的尺寸,比较中国患者的声带-隆突距离(VCD)。另外,我们试图找到一种表面解剖学测量方法来识别患有“短气管”的患者。方法。我们用纤维支气管镜在130位麻醉的中国患者中测量了VCD。还获得了五个常用气管导管远端的测量结果。我们对患者的胸部和颈部进行了各种表面解剖测量,以预测那些气管短的患者。结果。 VCD平均12.6(sd 1.4)厘米。在七名患者(5%)中,该距离特别短(8.8至10.4 cm之间)。当黑色插管引导标记位于声带水平时,许多常用的气管导管将被放置在靠近或超过隆突的地方。 VCD≤11cm(气管短)可以通过患者身高≤167.5 cm和胸骨距离≤28.5 cm来预测,但可靠性有限。结论。在我们的研究组中,许多VCD短的患者可能有许多气管插管发生气管插管的危险。患者身高和胸骨距离对预测气管短小很有帮助。 ©版权所有2006牛津大学出版社。

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