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ID:44570178
大小:53.55 KB
页数:11页
时间:2019-10-23
《胎儿主动脉弓异常超声诊断方法探究》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、胎儿主动脉弓异常超声诊断方法探究[摘要]目的研究胎儿主动脉弓异常的产前超声声像图,探讨胎儿主动脉弓异常的畸形特征。方法以2014年1月〜2016年3月我院行产前系统超声检查诊断为主动脉弓异常的胎儿55例作为研究对象进行回顾性分析,分析其产前超声图像特征及结局。结果(1)55例先天性主动脉弓异常胎儿中,右位主动脉弓及主动脉弓分支异常27例,主动脉弓缩窄19例,主动脉弓离断7例,双主动脉弓2例,结果获得验证的病例为47例,准确率为85.40%,其中13例合并其他严重心脏畸形,6例染色体异常,14例合并心外畸形。(2)主动脉弓缩窄及主动脉弓离断的超声声像线索为三血
2、管-气管切面、主动脉弓长纵轴切面及经气管冠状切面均显示主动脉弓内径异常小,与动脉导管内径比例失调;右位主动脉弓及其分支异常线索为主动脉弓位于气管右侧、与动脉导管之间距离增大呈“U”形,和(或)在气管后方有发自降主动脉起始段的血管分支。结论先天性主动脉弓异常的各个类型均有特征性的超声声像,其最有效的扫查切面是三血管切面和三血管气管切面,产前超声诊断准确率较高,主动脉弓异常可能合并其他严重心内外畸形及染色体异常,预后不良[关键词]胎儿;主动脉弓;超声;产前诊断[中图分类号]R714.5[文献标识码]A[文章编号]2095-0616(2017)05-111-03[
3、Abstract]ObjectiveToexploretheprenataiultrasonographicdiagnosisoffetalaorticarchanomalies,andtoexploreabnormalfeaturesoffetalaorticarchanomalies・Methods55casesoffetuswithaorticarchanomalydiagnosedbyprenataisystematicultrasonographyinourhospitalfromJanuary2014toMarch2016wereselected
4、asthestudyobjects,andtheywereretrospectivelyanalyzed.Characteristicsandoutcomeofprenatalultrasoundimageswereanalyzed・ResuIts(1)Inthe55casesofcongenitalaorticarchanomalies,therightaorticarchandaorticarchbranchwereabnormalin27cases,coarctationoftheaorticarchwere19cases,aorticarchinte
5、rruptionwere7cases,anddoubleaorticarchwere2cases・Asaresult,47caseswereconfirmed,theaccuracyratewas85.40%.Amongthem,13caseswerecomplicatedwithotherseverecardiacmalformations,includingchromosomeabnormalityintheother6cases,andintheother14cases.(2)Ultrasonographiccluesofcoarctationofth
6、eaortaandaorticarchwasthreevesselsandtrachea.view,aorticarchlongaxissectionandtranstrachealcoronalsectionshowedaorticarchanomaliesofsmalldiameterandproportionaltothediameteroftheductusarteriosus・Therightaorticarchanditsbrancheswerethe"U”shapeoftheaorticarchlocatedontherightsideofth
7、etrachea,andthedistancebetweentheaorticarchandtheduetusarteriosus.ConclusionCongenitalaorticarchanomaliesofvarioustypeshavecharacteristicultrasound・Themosteffectivescanningsectionisthethreevesselsectionandthethreevesselsection.Theaccuracyrateofultrasounddiagnosisishigh.Anomaliesofa
8、orticarchmaybeassociatedwi
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