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论文:64层螺旋CT对冠状动脉畸形的诊断价值,论文

2009-12-05 www.govyi.com A +

作者:王思云,杨有优,周旭辉,罗初凡,彭谦,孟悛非

【摘要】  【目的】评价64层螺旋CT在诊断冠状动脉畸形方面的临床应用价值。【方法】对38例冠状动脉畸形的64层螺旋CT资料进行回顾性分析,将原始数据传至工作站,行多平面重建(MPR)、容积再现(VR)、最大密度投影(MIP)和血管探针等后处理。10例同时行传统冠脉造影(CAG),3例行手术。【结果】38例患者畸形血管在CT图像上得以清晰显示。冠状动脉开口起源异常6例,单支冠状动脉畸形2例,冠状动脉瘘2例,冠状动脉肌桥20例,副冠状动脉8例,10例CAG结果9例与CT一致,1例右侧冠状动脉高位开口CAG误诊为缺如,3例手术结果与CT一致。【结论】64层螺旋CT冠状动脉造影清晰显示了畸形血管的起源、行程、终止及腔内情况,可作为冠状动脉畸形首选的检查方法。

【关键词】体层摄影术,X线计算机;血管造影术;冠状动脉;血管畸形

Abstract:【Objective】Toevaluatetheclinicalapplicationof64-slicespiralcomputedtomographyinthediagnosisofcoronaryarteryanomalies(CAAs).【Methods】The64-slicespiralcomputedtomographyimagesof38patientswithCAAswereretrospectivelyanalyzed.Therawdataweretransferredtotheworkstation(vitrea@2version3.7.0),andthenmulti-planarreconstruction(MPR),volumerender(VR),maximumintensityprojection(MIP),curved-planarreconstruction(CPR)andbloodvesselprobewereperformed.Tenpatientswereperformedconventionalcoronaryarteryangiography(CAG)and3patientswereperformedsurgery.【Results】TheoriginandcourseofanomalousCAin38patientsweredisplayedclearlyby64-slicespiralcomputedtomography.SixpatientswereanomalousoriginofCAtrunk;2weresingleCAanomaly;2werethebranchofRCAfistula(1tothepulmonaryartery,1totherightatrium);20weremuralcoronaryartery;8wereparacoronaryartery,whichisthebranchofarterialconusoriginsdirectlyfromtherightcoronarysinus.Nineresultsofthe10CAGwereaccordantwithCT,1highoriginofRCAwasmistakenforcongenitalabsenceinCAG.ThreeoperationresultswereaccordantwithCT.【Conclusion】The64-slicespiralcomputedtomographydisplayedtheorigins,courseandtheconditionofintralumensofCAclearly.It’sbetterthanCAGonsomedegree.64-slicespiralcomputedtomographycouldbeusedasthefirstchooseofimagingtoolsforsuspectedCAAs.

Keywords:tomography,X-ray

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