冠状动脉造影

1104国际期刊速递丨今日热点血管造


哪家医院治愈白癜风 http://pf.39.net/bdfyy/tslf/
TODAY今日发布Cardio-OncologyDec01,:5(1)今日发布01篇(共计17篇)PediatricCardiologyEarlyRecent,Nov04,今日发布01篇AmJCardiovascDrugsEarlyRecent,Nov04,今日发布01篇HypertensionEarlyRecent,Nov04,今日发布16篇StrokeEarlyRecent,Nov04,今日发布05篇RECOMMEND推荐阅读01CT血管造影快速自动检测大血管闭塞Strokeresearch-articleShaliniA.Amukotuwa,MatusStraka,etc.1小时前等76用户推荐阅读本文BackgroundandPurposeAccurateandrapiddetectionofanteriorcirculationlargevesselocclusion(LVO)isofparamountimportanceinpatientswithacutestrokeduetothepotentiallyrapidinfarctionofat-risktissueandthelimitedtherapeuticwindowforendovascularclotretrieval.Hence,theoptimalthresholdofanew,fullyautomatedsoftware-basedapproachforLVOdetectionwasdetermined,anditsdiagnosticperformanceevaluatedinalargecohortstudy.准确、快速地检测前循环大血管闭塞(LVO)对急性脑卒中患者具有重要意义,因为潜在的高危组织快速梗死和血管内血栓恢复的治疗窗口有限因此,确定了一种新的基于软件的全自动lvo检测方法的最佳阈值,并在一项大型队列研究中对其诊断性能进行了评估。MethodsForthisretrospectivestudy,datawerepooledfrom:2stroketrials,DEFUSE2(n=62;07/08–09/11)andDEFUSE3(n=;05/17–05/18);acohortofendovascularclotretrievalcandidates(n=82;August2,–August30,)andnormals(n=;June6,–January28,)fromasinglequaternarycenter;andcodestrokepatients(n=;January1,–December31,)fromasingleregionalhospital.AllCTAswereassessedbytheautomatedalgorithm.Consensusreadsby2neuroradiologistsservedasthereferencestandard.ROCanalysiswasusedtoassessdiagnosticperformanceofthealgorithmfordetectionof(1)anteriorcirculationLVOsinvolvingtheintracranialinternalcarotidarteryorM1segmentmiddlecerebralartery(M1-MCA);(2)anteriorcirculationLVOsandproximalM2segmentMCA(M2-MCA)occlusions;and(3)individualsegmentocclusions.在这项回顾性研究中,收集的数据来自:2个卒中试验,2次溶栓(n=62;07/08-09/11)和3次溶栓(n=;05/17-05/18);一组血管内血栓回收候选者(n=82;年8月2日-年8月30日)和一个四级中心的正常人(n=;年6月6日-年1月28日);以及代码卒中患者(n=);年1月1日至年12月31日)医院。所有CTA均采用自动算法进行评估。两位神经放射科医生的一致意见作为参考标准ROC分析用于评估(1)前循环LVOS涉及颅内颈内动脉或M1段大脑中动脉(M1-MCA)的算法的诊断性能;(2)前循环LVOS和近端M2节段MCA(M2-MCA)闭塞;以及(3)单个节段闭塞。ResultsCTAsfrompatients(medianage70years,interquartilerange:58-80;females)wereanalyzed.Threehundredninety-fivepatientshadananteriorcirculationLVOorM2-MCAocclusion(NationalInstitutesofHealthStrokeScale14[median],interquartilerange:9–19).Sensitivityandspecificitywere97%and74%,respectively,forLVOdetection,and95%and79%,respectively,whenM2occlusionswereincluded.Onanalysisbyocclusionsite,sensitivitieswere90%(M2-MCA),97%(M1-MCA),and97%(intracranialinternalcarotidartery)withcorrespondingarea-under-the-ROC-curvesof0.(M2),0.(M1),and0.(intracranialinternalcarotidartery).分析例患者(中位年龄70岁,四分位数范围58-80;名女性)的ctas。名患者有前循环lvo或m2-mca阻塞(国立卫生研究院卒中量表14[中位数],四分位数范围:9-19)。检测LVO的敏感性和特异性分别为97%和74%,M2闭塞时分别为95%和79%根据闭塞部位分析,敏感度分别为90%(M2-MCA)、97%(M1-MCA)和97%(颅内颈内动脉),ROC曲线下相应面积分别为0.(M2)、0.(M1)和0.(颅内颈内动脉)。ConclusionsIntracranialanteriorcirculationLVOsandproximalM2occlusionscanberapidlyandreliablydetectedbyanautomateddetectiontool,whichmayfacilitateintra-andinter-instutionalworkflowsandemergentimagingtriageinthecareofpatientswithstroke.颅内前循环LVOS和近端M2闭塞可以快速和可靠地检测到的自动化检测工具,这可能有助于内部和内部工作流程和急诊成像分流在照顾中风患者。扫描


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