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ID:32237544
大小:2.10 MB
页数:37页
时间:2019-02-02
《肝脏体积结合血流灌注ct测量评价肝功能储备能力初步的研究》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、ABSTRACTobjeetive:applytheCTtomeasurethelivervolumeand1iverperfusiontoseewhathappened’intwoparametersincirrhosisandiftherewassomekindofrelationshipbetweentwoparametersandgradeofcirrhosis,thentousethesetwoparameterstoevaluatingtheliverfunctionalreserve。Methods:objectwasthe
2、peoplewhocametorequestabdominatCTexamination.tota}52peoplewasexaminedandwasdividedbytwogroupnormalone(20cases)andcirrhosisone(32cases).ScanmachinewassingleiayerspiralCT.scanmethodwasthatafterplainscanofwholeliver,asingleslicethroughtheportalhepatisideallyincludethespleenw
3、asrepeatedlYscanned.for35timesafterintravenousbolusinjectionof42mlnonioniccontrast-mediaat6ml/sbyhighpressureinjector,andtotalinjectingtimewas7second.Weusedsingleslicedynamicliverscanseries,theslicethicknesswas10mm.3minutesaftertheperfusionscanawholeliverenhancedscanwaspe
4、rformedwithinonebreathhold-a11perfusionimagedatawasmadetotime.densecurve(TDC、bysoftwareincomputer,theinterestingareaincludeaorta,portalvein,liverandspleen,theTDCdatawastransferredtothecomputerandwecangettheperfusionparametersuchashepaticarterialperfusionrHAP)、hepaticporta
5、lperfusion(HPP)、totalliverpcrfusienfTLP)andhepaticarterialperfusionindex(HAI)andhepaticportalperfusionindex(PPI)byapplyingsomespecialperfusionformula.111eenhanced1iverimagedatawastransferredtothepost—operativestation,Asforthelivervolume.wetooksemiautomaticwaysthat、vasanal
6、yzingtheenhancedliverimagethrou曲itsgraylevelbycomputer,andmanualmodifyingtheimageuntilthelivercontourwaspreciselyshown,thenmadesoftwareautomaticallyproducingtheliverthree.dimensionedmodelbyshadedsurfacedisplay(SSD)andworkingoutthe1ivervolume.tllecirrhosisgroupwasclassifie
7、dbyChild-Pu出hepaticfunctionclassificationtable.At1astweperformedsomecomparisonaboutthe1ivervolumeandperfusionandvolumeperfusionindex,includingnormalVScirrhosis,childAVSchildBVSchildCtoseewhatrelationshipbetweeneachparameterandliverfunctionreserve.WealsoperformedCon'elatea
8、nalysisbetweenallparametersandtheChil出Pughclassificationpoints.Results:thecirrhosislivervolumewa
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