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编译服务: 心血管疾病防治 编译者: 张燕舞 编译时间: May 22, 2018 浏 览 量: 1

虽然心脏性猝死(SCD)是运动员死亡的主要医疗原因,但其确切发病率仍不清楚。 到目前为止,最好的估计已经表明,在50,000个运动员年中约有1个发生。 在一项使用加拿大数据库2009年至2014年的数据记录的一项新研究中,该数据库记录了加拿大安大略省所有医院外突发心脏骤停(SCA),运动员SCA的总体速率为每10万运动员年为0.76。 44%的患者在SCA后仍然出院,SCD总发生率为每100,000运动员年0.42。 这些数据表明,运动员SCD的发生率是以前估计的四分之一,并提出了关于预参加筛查的作用的问题。

BACKGROUND The incidence of sudden cardiac arrest during participation in sports activities remains unknown. Preparticipation screening programs aimed at preventing sudden cardiac arrest during sports activities are thought to be able to identify at-risk athletes; however, the efficacy of these programs remains controversial. We sought to identify all sudden cardiac arrests that occurred during participation in sports activities within a specific region of Canada and to determine their causes.

METHODS In this retrospective study, we used the Rescu Epistry cardiac arrest database (which contains records of every cardiac arrest attended by paramedics in the network region) to identify all out-of-hospital cardiac arrests that occurred from 2009 through 2014 in persons 12 to 45 years of age during participation in a sport. Cases were adjudicated as sudden cardiac arrest (i.e., having a cardiac cause) or as an event resulting from a noncardiac cause, on the basis of records from multiple sources, including ambulance call reports, autopsy reports, in-hospital data, and records of direct interviews with patients or family members.

RESULTS Over the course of 18.5 million person-years of observation, 74 sudden cardiac arrests occurred during participation in a sport; of these, 16 occurred during competitive sports and 58 occurred during noncompetitive sports. The incidence of sudden cardiac arrest during competitive sports was 0.76 cases per 100,000 athlete-years, with 43.8% of the athletes surviving until they were discharged from the hospital. Among the competitive athletes, two deaths were attributed to hypertrophic cardiomyopathy and none to arrhythmogenic right ventricular cardiomyopathy. Three cases of sudden cardiac arrest that occurred during participation in competitive sports were determined to have been potentially identifiable if the athletes had undergone preparticipation screening.

CONCLUSIONS In our study involving persons who had out-of-hospital cardiac arrest, the incidence of sudden cardiac arrest during participation in competitive sports was 0.76 cases per 100,000 athlete-years. The occurrence of sudden cardiac arrest due to structural heart disease was uncommon during participation in competitive sports. (Funded by the National Heart, Lung, and Blood Institute and others.).

  
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