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The King LT versus the Combitube: flight crew performance and preference.

机译：King LT与Combitube：机组人员的表现和偏爱。

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INTRODUCTION: Air medical personnel frequently face the challenge of the emergency airway. The Combitube is an airway device commonly used by emergency medical services (EMS) providers as either a primary or rescue airway. OBJECTIVE: We sought to evaluate the performance and preference of air medical personnel using a newer laryngeal tube airway device, the King LT, versus the Combitube in a simulator model. METHODS: Participants included flight physicians, nurses, and paramedics in our air medical transport program. Twenty-seven subjects participated. Participants received a 10-minute instructional program, and then had individual practice with each device. Participants were tested on the insertion of each device in a Laerdal SimMan. Rates of successful placement, time to successful placement, and practitioner preference were recorded. Perceived ease of insertion was measured on a five-point scale (1 = easy, 5 = difficult). RESULTS: All 27 participants correctly placed each device. Mean time to placement was 24.4 seconds (standard deviation [SD] of 4.7 seconds) for the King LT and 37.9 seconds (SD of 5.9 seconds) for the Combitube. The difference in mean times was 13.5 seconds (p < 0.0001). For the participants' perceived ease of insertion, the mean score for the King LT was 1.3 and that for the Combitube was 2.5. Twenty-six of 27 participants preferred the King LT over the Combitube. CONCLUSIONS: The King LT was placed significantly faster than the Combitube and was also perceived as easier to place. Ninety-six percent of the participants preferred the King LT. Limitations include using a simulator model rather than a human model.
机译：简介：空中医务人员经常面临紧急气道的挑战。 Combitube是一种紧急医疗服务（EMS）提供商通常用作主要或救援气道的气道设备。目的：我们试图在模拟器模型中使用新型喉管气道装置King LT和Combitube来评估空中医疗人员的表现和偏好。方法：参加我们的航空医疗运输计划的包括飞行医生，护士和护理人员。二十七名受试者参加。参与者接受了10分钟的教学计划，然后对每种设备进行了单独的练习。对参与者在Laerdal SimMan中插入每个设备进行了测试。记录成功安置的比率，成功安置的时间和从业者的偏爱。感觉到的插入容易程度以五分制测量（1 =简单，5 =困难）。结果：所有27位参与者正确放置了每个设备。 King LT的平均放置时间为24.4秒（标准偏差[SD]为4.7秒），Combitube的平均放置时间为37.9秒（SD为5.9秒）。平均时间差为13.5秒（p <0.0001）。对于参与者的插入容易程度，King LT的平均得分为1.3，Combitube的平均得分为2.5。 27位参与者中有26位选择了LT King而不是Combitube。结论：King LT的放置速度明显比Combitube快，并且也易于放置。 96％的参与者更喜欢King LT。局限性包括使用模拟器模型而不是人体模型。

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