Objective To describe the causes and outcome of out-of-hospital cardiac arrest (OHCA) in children.

目的了解小儿院外心跳停止（OHCA）的病因及影响预后的因素。

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Out -of -hospital cardiac arrest is a serious public health issue, and it is an important factor leading to death.

院外心脏骤停是严重的公共健康问题，是导致死亡的重要原因。

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Compared to conventional CPR, CCR has been shown to improve survival to hospital discharge after out-of-hospital cardiac arrest by a factor of 2.7-3.7.

与常规心肺脑复苏比相，心脑复苏提高了在院外发生心跳骤停患者的生存康复出院率。大约可以提高2.7到3.7个基点。

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Over the past 50 years, 300 million people have been trained in CPR, yet today, CPR is only performed in about 25% of out-of-hospital cardiac arrest cases.

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The toddler had 25 identifiable bruises on his body when he was examined after being admitted to hospital in cardiac arrest and pronounced dead in December 2010.

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But researchers noted that the fatality rate for cardiac arrest among the runners 71% was lower than other reported rates for out-of-the-hospital incidents of cardiac arrest, which hovered around 92%.

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