学科分类
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2 个结果
  • 简介:ObjectivesTostudythecharacteristicofpulmonaryembolism(PE)incontrast-enhancedCT.MethodsTheradiologicalfeaturesweredescribedin20patientswithlobarandproximalPEdiagnosedwithaToshibaXpress/SXCTscanneraftercontrastmaterialwasadministrated.ResultsTherewere7casesofpulmonaryembolism(PE)secondarytolowerlimbdeepveinthrombosis(DVT),ofwhich2caseswererelatedtosaunabath.Wegroupedthecasesaccordingtotheirextensivenessofembolism:mild,moderate,severe,orcompleteembolism.Mildembolism:theembolioccupiedlessthan30%,oftheinnerdiameterofpulmonaryartery(PA).Medianembolism:theembolioccupied30~50%ofthePAdiameter.Severeembolism:theembolioccupiedoverhalfofthePA(50%),buttherewerecontrastflow.Completedembolism:therewasnocontrastfoundaroundtheemboli.ThedirectsignofPEwasafillingdefectornoopacificationintheaffectedbranchofpulmonaryartery(PA).Therewere9othersecondarysigns:①widenPA,②enlargedrightventricleandtherightatrium,③increasedtranslucencyofthelunganddecreasedbronchovascularshadows,④shrunkenpulmonaryveinslikeddriedrattan,⑤decreasedleftatriumandtheleftventriclesize,⑥shiftingofinterventricularseptumtotheleftandposteriordirection,⑦Thelaterallungparenchymademonstratedinatriangularshape,⑧pleuraleffusionand⑨pericardiacleeffusion.ConclusionsThediagnosisofPEwasrevealedby10radiologicalsignsbycontrast-enhancedCT:Withfullunderstandingofthepathophysiologicalbasisofthese10signs:correctdiagnosisofpulmonaryembolismcanbemade.PEiscommonlycausedbylowerlimb.Andsaunabathisoneofthemainpredisposingcauses.

  • 标签: 肺动脉 肺栓塞 X线断层摄影术 放射线
  • 简介:BackgroundCoronaryslowflow(CSF)duringprimarypercutaneouscoronaryintervention(PCI)iscloselyrelatedtotheprognosisofpatientswithacutemyocardialinfarction(AMI).WhetherEnhancedExternalCounterPulsation(EECP)couldimprovethephenomenonandenhancecardiacfunctioninthesepatientshasnotbeenstudied.MethodsSeventy-eightAMIpatientsundergoingprimaryPCIwereenrolledanddividedinto2groups,EECPgroupandshamgroup.InEECPgroup,thepatientsweretreatedwithEECPfor30minaftercoronaryarterystentimplantation;andinshamgroup,thepatientsaftercoronaryarterystentimplantationweretreatedwithcuffswrappedfor30min.HemodynamicsandcorrectedTIMIFrameCount(cTFC)wererecordedatdifferenttimepointsinbothgroups.CRP,HCY,NT-proBNPandKillipclasswerealsodetectedbeforeoperationandaftertreatment.ResultsInEECPgroup,comparedtopre-andpost-EECPtreatment,thesystolicbloodpressure(SBP)wasmuchlower(P<0.05),diastolicbloodpressure(DBP)andmeanarterialbloodpressure(MBP)weremuchhigher(P<0.05).Theheartrate(HR)wasnotchangedduringEECPtreatment(P>0.05).Inshamgroup,SBP,DBP,MBPandHRwerenotsignificantlychangedduringtheseperiod(P>0.05).InEECPgroup,thecTFCofpatientswithCSFdecreasedsignificantlyaftertreatment(P<0.05);andtherewasnodifferenceinshamgroup(P>0.05).Comparedwithpre-EECPtreatment,CRPandHCYwereincreasedinpost-EECPtreatmentofbothgroups(P<0.05),while,theyweremuchlowerinEECPgroup(P<0.05).TheexpressionofNTproBNPwasdecreasedaftertreatmentinbothgroups(P<0.05),anditwasmuchlowerinEECPgroupthaninshamgroup(P<0.05).TheKillipclasswasmuchloweraftertreatmentthanbeforeoperationinEECPgroup(P<0.05),andtherewasnochangeinshamgroup(P>0.05).ConclusionsTheresultssuggestthatEECPishelpfulinashorttimetotheimprovementofCSFandrecoveryofcardiacfunctioninAMIpatientsduringprimaryPCI,andthatCRPandHCYmaybeinvolvedinthispr

  • 标签: 冠状动脉支架 急性心肌梗死 血流动力学 介入治疗 心脏功能 增强型