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ID:5417994
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时间:2017-12-10
《64层螺旋ct对冠状动脉粥样硬化血管狭窄的评价》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、胸部影像学—23一CHESTIMAGING64层螺旋CT对冠状动脉粥样硬化血管狭窄的评价诸静其郝楠馨刘颖张蕾许楠汪波潘海虹【摘要】目的:探讨64螺旋CT刈‘冠状动脉粥样硬化各种程度』血管狭窄的评估价值方法:l2O例患者行64层螺雠cT血管造影(CTA)俭评价冠状动脉符段的狭窄程度,并j冠状动脉血管造影(CG)比较,统计64层螺旋CTA诊断冠状动脉各种程度狭窄的敏感性、特异件、阳性预测值(PPV)和阴性预洲值(NPV)一结果:64层螺旋CTA评估冠状动脉轻度、中度和重度狭窄的敏感性、特异性、PPV和NPV随着狭窄程度的增加而增高,敏感性分别为79.55%、84.42c/cl和】87.
2、50%,特异性分别为99.48c/c、99.57%和99.74%,PP\’分别为92.1l%、92.86%和94.23%,NPv分别为98.45%、98.97%和99.40%一结论:64层螺旋CT对谴状动脉粥样硬化血管狭窄程度的}平价具有重要的临床诊断价值,可作为有效的冠心病筛T具以及选择治疗方案的要参考【关键词】体层摄影术.x线计算机:动脉粥样硬化;冠状动脉造影中图分类号:R445.3文献标志码:A文章编号:1006—574l(2011)一O1—0023—04AssessmentofCoronaryAtheroscleroticStenosiswith64--sliceSpira
3、lCTZHU—qi,HAONan—xin,LIUYing,ZHANGLei,XUNan,WANGBo,JPAⅣHal—hong【Abstract】Purpose:TostudytheValueof64一slicespiralCTintheassessmentofthecoronaryatheroscleroticstenosis.Methods:CoronaryCTangiographys(CTA)of120patientswereperformedwith64一slicespiralCT.AllCTAimagesofcoronaryarterieswhichwerecompare
4、dwithcoronaryangiogrmphywerereconstructedandanalyzed.Thesensitivity,specificity,positivepredictivevalue(PPV)andnegativepredictivevalue(NPV)ofthediagnosisabilityinthecoronaryatheroscleroticstenosiswith64一slicespiralCTwerecalculated.Results:Withtheincreasingofthestenosisdegreewhichwasdividedinto
5、mild,moderateandseverestenosis,thesensitivity,specificity,PPVandNPVofthediagnosisa‘bilityinthecoronaryatheroscleroticstenosiswith64一slicespiralCTwereincreased.ThesensitivityWas79.55%,84.42%and87.50%,respectively.ThespecificityWas99,48%,99.57%and99.74%,re—spectively.ThePPVWas92.11%,92.86%and94.
6、23%,respectively.TheNPVWas98.45%,98.97%and99.40%,respectively.Conclusion:Theassessmentofthecoronaryatheroscleroticstenosiswith64一slicespiralCTshowsclinicalsignificance.CoronaryCTAcouldbeaeffectivetooIindiagnosingcoronaryheartdiseaseandasignificantreferenceinselectingtreatmentprogram.【Keywords】
7、Tomography,X—raycomputedAtherosclerosisCoronaryangiography64层螺旋cT是近年来临床上应用于诊断冠心有较高的空间分辨率和信噪比,I1『对斑块的组织成分病并进行危险度预测的一种新技术,已经成为无创冠及管腔的狭窄程度进行有效的分辨和评估⋯。目前,64状动脉成像的热点,并表现出令人鼓舞的发展前景,具层螺旋CT对粥样斑块的敏感性已经得到一致公中嘲医学计算机成像杂志.2O¨.17:23—26ChinComputMedIm
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