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A logical approach to the selection and insertion of double-lumen tubes.

机译：合理选择和插入双腔管的方法。

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PURPOSE OF REVIEW: There has been a progressive evolution in double-lumen tubes to separate the right and left lungs. The appreciation of the anatomical advantage of the longer left main bronchus has directed anesthetists to prefer a left tube if possible for lung separation. Understanding the dimensions of the tube as well as the variations in the left main bronchus has improved the process of selection and insertion of the double-lumen tubes for lung isolation. RECENT FINDINGS: Early work focused on the anatomy of the longer left main bronchus. More recent work looked at the tube. This showed that tubes of the same nominal French size were substantially different in the size of the bronchial tube diameter and length. The proposed International Standards Organization standard will more accurately identify tube dimensions. These factors must be considered when selecting a tube for lung separation. SUMMARY: Measurement of patient's airway dimensions combined with knowledge of the dimensions of the double-lumen (tracheobronchial) tube plays an important role in lung separation.
机译：审查目的：双腔管分离右肺和左肺已取得了进展。对较长的左主支气管的解剖学优势的认识已使麻醉师倾向于在可能的情况下选择左管进行肺分离。了解管的尺寸以及左主支气管的变化，已经改善了双腔管的选择和插入过程，以进行肺隔离。最近的发现：早期的工作集中在较长的左主支气管的解剖上。最近的工作着眼于电子管。这表明相同的法国标称尺寸的管在支气管管直径和长度的尺寸上有很大不同。拟议的国际标准化组织标准将更准确地识别管子尺寸。在选择用于肺分离的试管时必须考虑这些因素。简介：测量患者气道的尺寸并结合双管腔（气管支气管）的尺寸知识在肺分离中起着重要作用。

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