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Assessment of the quality of cardiopulmonary resuscitation following modification of a standard telephone-directed protocol.

机译：修改标准的电话指导协议后，对心肺复苏质量进行评估。

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INTRODUCTION: Current Advanced Medical Priority Dispatch System (AMPDS) V.11.1 telephone instructions are limited in their ability to produce correctly performed basic life support. The current telephone instructions were modified in an attempt to improve areas of poor CPR performance. METHODS: Fifty subjects performed CPR on an instrumented adult manikin by following instructions modified from AMPDS V.11.1 instructions. Instructions were given by telephone from a different room. RESULTS: No improvements were seen with opening the airway or delivering rescue breaths. The rate of chest compression improved from 52 to 81 min-1 (P=0.004), although the depth of chest compression fell to 2.0 cm compared with 3.2 cm documented with the original AMPDS instructions (P=0.004). Instructions to put the telephone down while performing CPR improved all aspects of CPR. DISCUSSION: The effective delivery of telephone-directed CPR to untrained bystanders is a complex process. Changing verbal instructions to improve the quality of CPR is not easy. Further work is urgently needed to strengthen this important link in the chain of survival.
机译：简介：当前的高级医疗优先分配系统（AMPDS）V.11.1电话说明在产生正确执行的基本生命支持方面的能力受到限制。修改了当前的电话说明，以尝试改善CPR性能较差的区域。方法：五十名受试者按照从AMPDS V.11.1指令修改而来的指令，对仪器化的成人人体模型进行了CPR。指示是通过另一房间的电话给出的。结果：打开气道或进行呼救呼吸均未见改善。胸部按压的速度从52 min-1提高到81 min-1（P = 0.004），尽管胸部按压的深度下降到2.0 cm，而原始AMPDS说明书记录的深度为3.2 cm（P = 0.004）。执行CPR时放下电话的指示改善了CPR的各个方面。讨论：向未经训练的旁观者有效地提供电话指导的心肺复苏是一个复杂的过程。改变口头指示以提高心肺复苏术的质量并不容易。迫切需要进一步的工作来加强生存链中的这一重要环节。

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