学科分类
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5 个结果
  • 简介:BackgroundPatientswithacutetypeAaorticdissectionhaveahighincidenceofpostoperativecerebralcomplication.Betterunderstandingoftheriskfactorscouldhelptooptimizepreventionandtreatmentstrategies.MethodAtotalof298patientsofacutetypeAaorticdissectionoperatedinGuangdongCardiacInstitutionfrom2010.10to2014.12wereincluded,253ofthemweremaleandtheother45werefemale.Theiraverageagewas45.8±12.2y.Allthepatientsweredividedintocerebralcomplicationandnocerebralcomplicationgroups.Datacollectedfrombothgroupswereanalyzedbyunivariateandmultivariateanalysestoidentifytheindependentriskfactorsofpostoperativecerebralcomplication.ResultTheincidenceofpostoperativecerebralcomplicationwas37.9%(113/298).Among113patients,temporarynervedamage(TND)groupandpermanentnervedamage(PND)accountedfor93cases(31.2%)and20cases(6.7%)respectively.LogisticRegressmultivariateanalysisshowedthathistoryofhypertension(OR=2.560,95%CI,1.397-4.692,P<0.01),totalarchreplacement(OR=2.315,95%CI,1.386-3.869,P<0.01),timeofaorticarrest(OR=1.008,95%CI,1.004-1.012,P<0.01)andpostoperativehypoxemia(OR=1.858,95%CI,1.122-3.078,P<0.05)weretheindependentriskfactorsofthepostoperativecerebralcomplicationinpatientswithacutetypeAaorticdissection.ConclusionIncidenceofpostoperativecerebralcomplicationishighintheacutetypeAaorticdissectionpatientsitsmajorriskfactorsarehypertensionhistory,totalarchreplacement,andlongdurationofaorticarrestorhypoxemia.

  • 标签: 危险因素 主动脉 心脏病 急性型 患者 夹层
  • 简介:AIM:Toinvestigatetheinfluencingfactorsofvisualfieldimprovementaftertrans-sphenoidalresectionofpituitarymacroadenomas.·METHODS:Thisretrospectivecohortstudyincluded201patients(366eyes)withvisualfielddefectinducedbypituitarymacroadenomas.Allofthemweretreatedwithtrans-sphenoidalsurgery.Ophthalmologicevaluation,best-correctedvisualacuity(BCVA),andvisualfieldexaminationwereperformedbeforeand3moaftersurgery.BCVA,visualfielddefectindexmeandeviation(MD),durationofsymptoms,age,sex,andvolumeoftumorswerecompared.Expressionofvascularendothelialgrowthfactor(VEGF)andKi-67oftumortissueweredetectedbyimmunohistochemicaltechnique.·RESULTS:Themeanageofpatientswas44.23±1.29y.Ninety-threepatientswerefemaleand108weremale.Themeantumorvolumewas14.36±6.23cm~3.Themeandurationofpreoperativesymptomswas11.50±0.88mo.MeanpreoperativeMDwas-17.50±0.82dB.MeanPreoperativevisualacuitywas0.64±0.04.Postoperativevisualfieldimprovedin270(73.77%)eyes,unchangedin96(26.23%)eyes.Multivariatelogisticregressiondisplayedthatthefactorsindependentlyinfluencingvisualfieldimprovementwereyoungage(OR=1.71,95%CI:1.325-2.387,P=0.013),lowpreoperativeMDabsolutevalue(OR=1.277,95%CI:1.205-1.355,P<0.001),smallvolumeoftumor(OR=1.458,95%CI:1.060-4.289,P<0.001),lowexpressionofVEGFintumortissue(OR=1.554,95%CI:1.089-2.457,P=0.022),andlowexpressionofKi-67intumortissue(OR=1.552,95%CI:1.161-2.847,P=0.026).·CONCLUSION:Afterpituitarymacroadenomastranssphenoidalresection,theindependentinfluencingfactorsofthevisualfieldsrecoverywerelowpreoperativeMDabsolutevalue,youngage,smallvolumeoftumor,andexpressionlevelsofVEGF/Ki-67.

  • 标签: 垂体腺瘤 视觉地 影响因素 脉管的 endothelial 生长因素 KI-67
  • 简介:AIM:Toestablishaprognosticformulathatdistinguishesnon-hypervascularhepaticnodules(NHNs)withhigheraggressivenessfromlesshazardousone.METHODS:Seventy-threeNHNsweredetectedingadoliniumethoxybenzyldiethylene-triamine-pentaaceticacidmagneticresonanceimaging(Gd-EOB-DTPA-MRI)studyandconfirmedtochange2mmormoreinsizeand/ortogainhypervascularity.Allimageswereinterpretedindependentlybyanexperienced,board-certifiedabdominalradiologistandhepatologist;bothknewthatthepatientswereatriskforhepatocellularcarcinomadevelopmentbutwereblindedtotheclinicalinformation.AformulapredictingNHNdestinywasdevelopedusingageneralizedestimatingequationmodelwiththirteenexplanatoryvariables:age,gender,backgroundliverdiseases,Child-Pughclass,NHNdiameter,T1-weightedimaging/T2-weightedimagingdetectability,fatdeposition,lowersignalintensityinarterialphase,lowersignalintensityinequilibriumphase,α-fetoprotein,des-γ-carboxyprothrombin,α-fetoprotein-L3,andcoexistenceofclassicalhepatocellularcarcinoma.Theaccuracyoftheformulawasvalidatedinbootstrapsamplesthatwerecreatedbyresamplingof1000iterations.RESULTS:Duringamedianfollow-upperiodof504d,73NHNswithamediandiameterof9mm(interquartilerange:8-12mm)greworshrankby68.5%(fiftynodules)or20.5%(fifteennodules),respectively,whereashypervascularitydevelopedin38.4%(twentyeightnodules).Inthefifteenshranknodules,twelvenodulesdisappeared,while11.0%(eightnodules)werestableinsizebutacquiredvascularity.AgeneralizedestimatingequationanalysisselectedfiveexplanatoriesfromthethirteenvariablesassignificantfactorstopredictNHNprogression.Theestimatedregressioncoefficientswere0.36forage,6.51forlowersignalintensityinarterialphase,8.70or6.03forpositivityofhepatitisBvirusorhepatitisCvirus,9.37fordes-γ-carboxyprothrombin,and-4.05forfatdeposition.Aformulaincorpora

  • 标签: Hepatocellular carcinoma Magnetic resonanceimaging Ethoxybenzyl MOIETY
  • 简介:Curcumin,adietaryphytochemical,exhibitsmultifunctionalnaturalproductwithregulatoryeffectsoninflammation.However,thepoorbioavailabilitylimitsitsclinicalapplications.Thus,wedesignedandsynthesizedanovelmonocarbonylanalogueofcurcuminB7andtheirinhibitionagainstmonocytechemotacticprotein-1(MCP-1)andinterleukin-8(IL-8)releasewasevaluatedinH2O2-stimulatedhumanvascularendothelialcells(ECs)inadose-responsivemanner,whileexhibitingnocytotoxicityinECs.Takentogether,theseinsightsonthenovelcompoundB7mayserveaspotentialagentsforthetreatmentofatherosclerosis.

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