学科分类
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3 个结果
  • 简介:TheAmericanHeartAssociationandtheEuropeanResuscitationCouncilrecentlyrecommendedthatvasopressincanbeusedforcardiopulmonaryresuscitation,insteadofepinephrine.However,theguidelinesdonotdiscusstheeffectsofvasopressinduringcerebralresuscitation.Inthisstudy,weintraperitoneallyinjectedepinephrineand/orvasopressinduringcardiopulmonaryresuscitationinaratmodelofasphyxialcardiacarrest.Theresultsdemonstratedthat,comparedwithepinephrinealone,thepathologicaldamagetonervecellswaslessened,andthelevelsofc-JunN-terminalkinaseandp38expressionweresignificantlydecreasedinthehippocampusaftertreatmentwithvasopressinaloneorthevasopressinandepinephrinecombination.Nosignificantdifferenceinresuscitationeffectswasdetectedbetweenvasopressinaloneandthevasopressinandepinephrinecombination.Theseresultssuggestthatvasopressinaloneorthevasopressinandepinephrinecombinationsuppresstheactivationofmitogen-activatedproteinkinaseandc-JunN-terminalkinasesignalingpathwaysandreduceneuronalapoptosisduringcardiopulmonaryresuscitation.

  • 标签: 血管加压素 神经细胞凋亡 心肺复苏 丝裂原活化蛋白激酶 肾上腺素 大鼠模型
  • 简介:Inthisstudy,ratswereputintotraumaticbraininjury-inducedcomaandtreatedwithmediannerveelectricalstimulation.Weexploredthewake-promotingeffect,andpossiblemechanisms,ofmediannerveelectricalstimulation.Electricalstimulationupregulatedtheexpressionlevelsoforexin-AanditsreceptorOX1Rintheratprefrontalcortex.Orexin-Aexpressiongraduallyincreasedwithincreasingstimulation,whileOX1Rexpressionreachedapeakat12hoursandthendecreased.Inaddition,aftertheOX1Rantagonist,SB334867,wasinjectedintothebrainofratsaftertraumaticbraininjury,fewerratswererestoredtoconsciousness,andorexin-AandOXIRexpressionintheprefrontalcortexwasdownregulated.Ourfindingsindicatethatmediannerveelectricalstimulationinducedanup-regulationoforexin-AandOX1Rexpressionintheprefrontalcortexoftraumaticbraininjury-inducedcomarats,whichmaybeapotentialmechanisminvolvedinthewake-promotingeffectsofmediannerveelectricalstimulation.

  • 标签: 创伤性脑损伤 正中神经 电刺激 大鼠 机制 昏迷
  • 简介:BACKGROUND:ItisknownthatacupuncturetherapycandecreaseplasmaneuropeptideY(NPY)levelsinpatientswithcerebralinfarction,butdifferenttypesofacupuncturetherapyusedinvariousstagesofcerebralinfarctionhavenotbeenevaluated.OBJECTIVE:Toexploretheeffectofacupuncturetherapyonresuscitation(XingnaoKaiqiao)andplasmaNPYlevelsinpatientswithveryearlystageacutecerebralinfarction.DESIGN,TIMEANDSETTING:Thiscase-controlledstudywasperformedattheAffiliatedHospitaloftheMedicalCollegeoftheChinesePeople'sArmedPoliceForcebetweenSeptember2004andOctober2005.PARTICIPANTS:Sixtypatientswithacutecerebralinfarctionof≤6hourswereusedinthisstudy.Patientswererandomlydividedintoanacupuncturetherapygroup(n=30)andaroutinetreatmentgroup(n=30).Another30healthysubjectswereusedasthecontrolgroup.METHODS:TheacupuncturetherapyofXingnaoKaiqiaousedintheacupuncturetherapygroupwasbasedonroutinewesternmedicaltreatmentandwasperformedatbilateralNeiguan(PC6)usingthetwirling,reinforcing-reducingmethod,Renzhong(DU26)usingheavybird-peckingneedling,Sanyinjiao(SP6)usingreinforcingandreducingbyliftingandthrustingtheneedle,Jiquan(HT1),Weizhong(BL40)andChize(LU5)usingreinforcingandreducingbyliftingandthrustingtheneedle.Theacupuncturelastedfor14days.Patientsintheroutinetreatmentgroupunderwentroutinemedicaltreatmentandnointerventionwasgiventosubjectsinthecontrolgroup.MAINOUTCOMEMEASURES:A4mLvenousbloodsamplewasobtainedatdifferenttimepoints,i.e.,immediatelyafterhospitalization,thenextmorning,7and14daysaftertreatment,tomeasureplasmaNPYlevelspre-andpost-treatmentusingtheradio-immunitymethod.RESULTS:TheplasmaNPYlevelsweresignificantlyhigherinboththeroutinetreatmentgroupandtheacupuncturetherapygroupthaninthecontrolgrouppre-andpost-treatment(P<0.01).Inparticular,theplasmaNPYlevelsinboththeacupuncturetherapygroupa

  • 标签: 针刺疗法 血浆神经肽Y 脑梗死 疗效