AHA 2013:持续时间≥38分钟的CPR能改善心脏骤停生存率

2013-11-18 佚名 丁香园

2013年美国心脏协会(AHA)科学年会发布的一项最新研究显示,持续时间≥38分钟的心肺复苏(CPR)能改善心脏骤停患者生存率并能改善生存者大脑功能正常概率。 心脏中的电脉冲变快或变乱会导致心脏突然停止跳动从而引发心脏骤停。AHA数据显示,每年有近80%(288 000例)的心脏骤停发生于院外,其生存率不足10%.尽早恢复自主循环对心脏骤停患者生存并保持正常大脑功能至

2013年美国心脏协会(AHA)科学年会发布的一项最新研究显示,持续时间≥38分钟的心肺复苏(CPR)能改善心脏骤停患者生存率并能改善生存者大脑功能正常概率。

心脏中的电脉冲变快或变乱会导致心脏突然停止跳动从而引发心脏骤停。AHA数据显示,每年有近80%(288 000例)的心脏骤停发生于院外,其生存率不足10%.尽早恢复自主循环对心脏骤停患者生存并保持正常大脑功能至关重要,但很少有相关研究探讨心脏骤停到恢复自主循环的时间。

以日本东京大学附属医院CPR与心血管急救中心的Ken Nagao教授为代表的日本循环学会复苏科学研究组,采用2005~2011年日本院外心脏骤停注册表,探讨了心脏骤停患者恢复自主循环需要的时间及1个月后的大脑功能情况。

结果发现,CPR后大脑功能较好的心脏骤停患者恢复自主循环所用时间为13分钟,伴严重大脑障碍者所用时间为21分钟。

校正影响神经结局的其他因素后,研究者发现,自主循环恢复时间每延长60秒,院外心脏骤停患者无严重大脑障碍的生存率降低5%.鉴于自主循环恢复所需时间与良好的大脑结局之间存在相关性,研究者进一步计算并确定持续时间≥38分钟的CPR是可取的。正因如此,2010年AHA CPR及ECC指南建议在救援人员到达前,可先由旁观者实施CPR.

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    2013-11-20 zhaohui6731
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    2013-11-20 dangious
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    2013-11-20 zhwj

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