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首页> 外文期刊>Anaesthesia: Journal of the Association of Anaesthetists of Great Britain and Ireland >The effect of pilot balloon design on estimation of safe tracheal tube cuff pressure.
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The effect of pilot balloon design on estimation of safe tracheal tube cuff pressure.

机译：飞行员气球设计对安全气管插管袖带压力估计的影响。

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摘要

We studied the effect of pilot balloon design on the ability of experienced anaesthetists to assess and inflate tracheal tube cuffs to safe pressures. A model trachea was designed, incorporating a degree of compliance and an air leak, to evaluate six different pilot balloons grafted onto identical tracheal tubes. Pilot balloons were inflated to one of four pressures and anaesthetists were asked to estimate whether the pressure was acceptable, too low or too high. Anaesthetists were then asked to inflate the cuff of each tube. Overall, 103 (42.9%) of anaesthetists' assessments of tracheal tube cuff pressures were correct (33% correct would be expected by chance, p = 0.002). Pressures generated by anaesthetists inflating tracheal tube cuffs were very variable. Median (IQR [range]) pressures for each pilot balloon ranged from 29 (17-43 [9-56]) cmH(2)O to 74 (49-114 [4-140]) cmH(2)O (p < 0.001). The design of the pilot balloon significantly affects anaesthetists' ability to inflate tracheal tube cuffs to safe pressures.
机译：我们研究了飞行员气球设计对有经验的麻醉师评估气管插管并将其充气至安全压力的能力的影响。设计了一种气管模型，该模型结合了一定程度的顺应性和空气泄漏，以评估将六个不同的先导气囊移植到相同的气管导管上。将飞行员气球充气至四个压力之一，并要求麻醉师估计压力是否可接受，太低或太高。然后要求麻醉师给每个管子的袖带充气。总体而言，麻醉师对气管插管袖带压力的评估中有103份（占42.9％）是正确的（偶然会得到33％的正确估计，p = 0.002）。麻醉师给气管插管充气会产生很大的压力。每个飞行员气球的中值（IQR [范围]）压力范围从29（17-43 [9-56]）cmH（2）O到74（49-114 [4-140]）cmH（2）O（p < 0.001）。飞行员气球的设计极大地影响了麻醉师将气管插管充气至安全压力的能力。

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