98心脏性猝死SCD的一级和二级预防讲稿.pptx
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1、心脏性猝死(SCD)的一级和二级预防,各种心脏原因急:1小时内死亡不可预料的自然的病理生理过程非人为或外伤因素,心脏性猝死(SCD)定义:,心脏猝死是最常见、最凶险的死因,FIGURE2616.Influenceofresponsetimeonsurvivalfromout-of-hospitalcardiacarrest.A,Thetimefromonsetofcardiacarresttoinitialdefibrillationattemptisrelatedto1-monthsurvival,basedondatafromtheSwedishCardiacArrestRegistry.
2、336Thecumulativesurvivalratewas5percent,andthesurvivalrateforvictimswhoseinitialrhythmwasventriculartachycardia(VT)orventricularfibrillation(VF)was9.5percent.Themedianresponsetimewasnearly13minutes.Thirty-daysurvivalrangedfromamaximumof48percentwithresponsesoflessthan2minutestolessthan5percentforres
3、ponsetimegreaterthan15minutes.B,Thepotentialforfasterresponsesystems,basedontheAmsterdamResuscitationStudy,isdemonstrated,comparingresponsetimesofpolicevehicleswiththoseofconventionalemergencymedicalsystems.Atthe50thpercentileofresponsetimes,policesvehiclesprovidedanearly5minuteimprovementinarrivalt
4、ime(approximately6minutes).337Preliminarydatasuggestthatimprovedresponsetimesofthistypetranslatetoimprovedsurvival.338W.B.SaundersCompanyitemsandderiveditemscopyright2001byW.BSaundersCompany.,40-45万(Circulation2001;104:2158-2163)5-15%能到医院,1-20%幸存50%出院前SCD发作,美国,7-9万/年院外2%幸存15%一年内复发,英国,先兆,新增或加重症状胸痛心慌气
5、短乏力,发作,临床状态突然变化心律失常低血压胸痛气短头晕,心脏停跳,突然发作心脏停跳循环衰竭意识丧失,生物学死亡,复苏失败电机械分离中枢神经功能不恢复,天,月,立刻,1小时,分,周,流行病学,心脏猝死(SCD)的发病率,西欧:300,000/年;平均生还率2-3%;全球:9,000,000/年;平均生还率小于1;美国:250,000-350,000/年;中国:心血管疾病致死1,500,000/年;,RelativeRiskFactors,FIGURE264.Riskofsuddendeathbydecileofmultivariantrisk:26-yearfollow-up,theFrami
6、nghamStudy.ECG=electrocardiographic;IV=intraventricular;LVH=leftventricularhypertrophy;non-specabn=nonspecificabnormality.(FromKannelWB,ShatzkinA:Suddendeath:Lessonsfromsubsetsinpopulationstudies.ReprintedbypermissionoftheAmericanCollegeofCardiology.JAmCollCardiol5Suppl6:141B,1985.)W.B.SaundersCompa
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