16层螺旋ct冠状动脉造影对心电图正常的胸痛患者的诊断价值

《16层螺旋ct冠状动脉造影对心电图正常的胸痛患者的诊断价值》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、讪eisinarotatingscanningprocess，multi-dimensionallmagescanbeobtainedatthesametime．ThismadetherateofspiralCTscanningdouble(second—class)，imagelayerthicknessmimerandthespatialresolutionofimagehighimproved·ltISanothermilestoneinthehistoryofthedevelopment·MultisliceSDiralCTisthoughta

2、sanon—invasiveexaminationo士thecoronaryartery．TheimageobtainedbyhelicalscanvolumecanbereconstructedbyarecallingcardiacgatedcontroltechnologyandThepowerfulreconstructioncanpost．．processingworkstations．Theshowthatthemorerealisticthree-dimensionalimagesoftheheartandthecoronaryartery

3、，and埘lultiplanarreconstructioncanshowthecoronaryartery-Itsclinicalvaluehasbeenaffirmed．Especiallytheadventofl6．sliceCThasmadeslicescanthinner，rotationspeedqulckerandtimeresolutionhighimproved．Andbecausethe?-blockersreducemeheartrate，artifactgreatlyreduce·TheseimproVemulti—slices

4、piralCTcoronaryangiographyimagequalityandenhancetheaccuracyofdiagnosis．Wedesignedthisstudytofindthediagnosisvalueofthenon—invasive16。sliceUlcoron叫angiographytopatientswithchestpainbutabnornlalECG．Methods：52patientswhowereinmyhospitalfromMay2004toMarch2005becauseofchestpainandcor

5、onaryheartdiseaseandanginapectorishighlysuspectedwereselected·Continuouselectrocardiogram(includingthetimestheChestpainswerebeginning)wereobservdforthreedays·ST。segment英文摘要evolutionwasnotsignificant(STsegmentdepression<0．1my)．Excludepre—menopausalwomen．Checkincardiaccolorechocar

6、diographyofallpatients．ExcludepatientsofclinicalgradeIIofheartfunction，patientswithrenaldysfunctionandpatientswithseverebronchialdiseases．Allpatientswereinsinusrhythmandtheirheartratewereover65beats／min．Give12．5—50mgmetoprololtoeverypatientathalfanhourbeforecheck．Thepatientswhow

7、ere37—78yearsold(mean47．6yearsold)included41malesand1females．All52patientswereexaminedwith16-sliceCTcoronaryangiographyandpercutaneousselectivecoronaryangiography．Ontheleftmaincoronaryartery，theleftanteriordescending，leftcircumflex，andtherightcoronaryarteryandmainbranchesofvascu

8、lar(≥2．0mnlindiameter)，Bythegeneralintemational