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  • 简介:ThispaperaddressesamanagementmodelforIPnetworkbasedonNextGenerationOperationSupportSystem(NGOSS).ItmakesthenetworkmanagementonthebaseofalltheoperationactionsofISP,ItprovidesQoStouserservicethroughthewholepathbyprovidingend-to-endServiceLevelAgreements(SLA)managementthroughwholepath.Basedonwebandcoordinationtechnology,thispapergivesanimplementarchitectureofthismodel.

  • 标签: IP QOS NETWORK MANAGEMENT NGOSS
  • 简介:Ventriculartachycardia(VT)inthepresenceofstructuralheartdiseaseisassociatedwithsuddencardiacdeathandwarrantspromptattention.Implantablecardioverterdefibrillators(ICDs)whilehighlyeffectiveinterminatingsustainedventriculararrhythmiasandreducingmortality,havenoeffectonthearrhythmiasubstrateandrecurrentshocksforVTterminationoccurinapproximately20%ofpatients.Shocksworsenqualityoflifeandareassociatedwithprogressionofheartfailureandincreasedmortality.Antiarrhythmicdrugs,mainlyintheformofbeta-blockersoramiodarone,aremoderatelyeffectiveinreducingICDtherapiesbutdrugintoleranceandserioustoxicitiesofamiodaronenecessitatedrugcessationinaquarterofpatients.CatheterablationhasemergedasaneffectivetreatmentforcontroloffrequentVTepisodesandcanbelifesavingincasesofincessantVTorVTstorm.Asexperienceincreases,itisbeingusedincreasinglyearlier,ratherthanalastresorttherapy.Efficacyvarieswiththenatureoftheunderlyingheartdisease.Intramuralarrhythmiasubstrateandfailuretocreatepermanentablationlesionsremainchallengesandrepeatproceduresarenecessaryinathirdtoahalfofpatients.ForidiopathicVTsorPVCsthataresymptomaticorworsenLVfunction,catheterablationisoftenaneffectivetherapy.

  • 标签: VENTRICULAR TACHYCARDIA ablation IDIOPATHIC VENTRICULAR TACHYCARDIA
  • 简介:Chronicpancreatitisisanongoingdiseasecharacterizedbypersistentinflammationofpancreatictissues.Withdiseaseprogression,patientswithchronicpancreatitismaydeveloptroublesomecomplicationsinadditiontoexocrineandendocrinepancreaticfunctionalloss.Amongthem,apseudoaneurysm,mainlyinducedbydigestiveenzymeerosionofvesselsinproximitytothepancreas,isarareandlife-threateningcomplicationifbleedingofthepseudoaneurysmoccurs.Atpresent,noprospectiverandomizedtrialshaveinvestigatedthetherapeuticstrategyforthisrarebutcriticalsituation.Theroleofarterialembolization,thetimingofsurgicalinterventionandevensurgicalproceduresarestillcontroversial.Inthisreview,wesuggestthatdynamicabdominalcomputedtomographyandangiographyshouldbeperformedfirsttolocalizethebleedersandtoevaluatetheassociatedcomplicationssuchaspseudocystformation,followedbyarterialembolizationtostopthebleedingandtoachieveearlystabilizationofthepatient’scondition.Withadvancesandimprovementsinendoscopicdevicesandtechniques,therapeuticendoscopyforpancreaticpseudocystsistechnicallyfeasible,safeandeffective.Surgicalinterventionisrecommendedforableedingpseudoaneurysminpatientswithchronicpancreatitiswhoareinanunstablecondition,forthoseinwhomarterialembolizationofthebleedingpseudoaneurysmfails,andwhenendoscopicmanagementofthepseudocystisunsuccessful.Ifableedingpseudoaneurysmislocatedoverthetailofthepancreas,resectionisapreferentialprocedure,whereasifthelesionissituatedovertheheadorbodyofthepancreas,relativelyconservativesurgicalproceduresarerecommended.

  • 标签: CHRONIC PANCREATITIS PSEUDOCYST PSEUDOANEURYSM ble
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  • 简介:摘要:近年来,我国的企业有了很大进展,在企业管理的过程中,管理经济学发挥着重要的作用。管理经济学是一门新型的科学,是目前企业在经营和管理过程中的理论指导思想。企业通过管理经济学的原理实现内部管理,从而帮助企业更好地提升经营管理的效率。目前,企业对于管理经济学的应用并不非常重视,在具体应用的过程中存在很多的问题,从而导致企业整体的经营管理效果并不明显。本文就管理经济学在企业管理中的应用进行研究,希望能够帮助更多企业全面地实现管理经济学的应用,提升企业的经营管理能力。

  • 标签: 管理经济学 管理 应用
  • 简介:Objective:Toinvestigatetheclinicaltypingandprophylactico-therapeuticmeasuresforacuteposttraumaticbrainswelling(BS).Methods:Aretrospectivestudywasperformedin66casesofacuteposttraumaticBS.Therewere3groupsbasedoncomputeredtomography(CT)scanning:23casesofhemispherebrainswelling(HBS)withmiddlelineshiftforlessthan5mmwithin24hours(GroupA),20withmiddlelineshiftformorethan5mm(GroupB),and23withbilateraldiffusebrainswelling(GroupC).Results:(1)ThemortalityratesoftheoperativeandnonoperativemanagementinGroupA,GroupB,andGroupCwere20.0%,31.6%,and75.0%versus44.4%,0,and85.7%,respectively(P>0.05);whiletheratesinsubgroupswithdifferentmiddlelineshift(morethan5mmandlessorequal5mm)were29.2%and75.0%versus75.0%and44.4%,respectively(0.05>P>0.01).(2)ThegoodrecoveryrateandmortalityinGroupAwere47.8%and39.1%,respectivelyandinGroupC,8.7%and78.3%,respectively,TherewasaverysignificantdifferencebetweenGroupAandGroupC(P<0.01).(3)Thetotalsurvivalrateoftheselectivecomprehensivetherapywas53.1%.Conclusions:(1)AcuteposttraumaticBSneedstobediagnosedcorrectlyandpromptlywithCTscanningwithin4hours.(2)Forpatientswithmidlineshiftformorethan5mm,especiallywiththin-layeredsubduralhematoma,surgicalinterventionisessentialtoreducethefatalityofacuteposttraumaticBS.

  • 标签: 创伤 脑积水 临床分型 影像学检查 颅内压 预后