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首页> 外文期刊>Resuscitation. >A prospective manikin-based observational study of telephone-directed cardiopulmonary resuscitation.
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A prospective manikin-based observational study of telephone-directed cardiopulmonary resuscitation.

机译：基于电话的心肺复苏的基于人体模型的前瞻性观察研究。

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INTRODUCTION: Bystander cardiopulmonary resuscitation (CPR) significantly improves the outcome from sudden cardiac arrest (SCA) and is therefore encouraged by offering telephone instructions to the bystander. The effectiveness of this technique was examined in a manikin-based study. METHODS: Subjects performed CPR on an instrumented adult manikin by following Advanced Medical Priority Dispatch System v11.1 (AMPDS) instructions given by telephone from a different room. RESULTS: Fifty-one volunteers (26 males, median age 56, range 27-76 years) with no previous experience of CPR were recruited. No volunteers followed the entire instructions correctly. Forty percent were unable to open the airway, only 18% achieved a median inspiration time of 2 s or greater and only 30% delivered tidal volumes within the range 700-1000 ml. Chest compressions were performed at a median rate of 52 min-1 with only 4% of subjects achieving a rate of 100 min-1. Depth of compression was also inadequate in 88% of subjects and hand positioning was incorrect in a third of subjects. The median duty cycle was 46% and there were significant delays between the commencement of the AMPDS protocol and the delivery of the first breath (123 s) and first chest compression (163 s). DISCUSSION: Few bystanders perform CPR satisfactorily and further work is necessary to improve the effectiveness of telephone CPR instructions.
机译：简介：旁观者心肺复苏（CPR）可显着改善突发性心脏骤停（SCA）的预后，因此可向旁观者提供电话指导以鼓励旁观者进行心肺复苏。在基于人体模型的研究中检验了该技术的有效性。方法：受试者按照来自另一间房间的电话给的高级医疗优先分派系统v11.1（AMPDS）指导，对装有仪器的成人人体模型进行CPR。结果：招募了51位没有心肺复苏术经验的志愿者（26名男性，中位年龄56岁，范围27-76岁）。没有志愿者正确地遵循整个说明。 40％的人无法打开呼吸道，只有18％的人中位吸气时间为2 s或更长，只有30％的人潮气量在700-1000 ml范围内。胸部按压的中位率为52 min-1，只有4％的受试者达到100 min-1的速率。 88％的受试者的压迫深度也不充分，三分之一的受试者的手部姿势不正确。中值占空比为46％，从AMPDS协议开始到第一次呼吸（123 s）和第一次胸部按压（163 s）之间存在明显的延迟。讨论：很少有旁观者可以令人满意地执行CPR，并且需要进一步的工作来提高电话CPR指令的有效性。

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