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(CerebralHemorrhage)定義(dìngyì):指非外傷性腦實質內出血腦出血DepartmentofNeurology,The2ndaffiliatedhospital,KunmingMedicalcollege第一頁,共六十頁。精選課件ConceptionItmeansprimaryandnontraumaticintracerebralhemorrhage.Countfor20%~30%instrokeHypertensionisthemostcommonunderlyingcauseofnontraumaticintracerebralhemorrhage.第二頁,共六十頁。精選課件EtiologyHalfofthepatientssufferfromhypertensioncombinedwitharteriolaratherosclerosis,itisthemostcommoncauseofthedisease.Others:cerebralatherosclerosis,hematopathy,

cerebralamyloidangiopathyCAA,aneurysm,AVM第三頁,共六十頁。精選課件Pathophysiology高血壓——小動脈:纖維素樣壞死(huàisǐ)fibrinoidnecrosis、脂質透明變性hyalinefattychange、microaneurysm小動脈瘤、微夾層動脈瘤——滲出exudation、破裂rupture高血壓——遠端血管痙攣vasospasm——缺氧anoxia、壞死angio-necrosis、血栓形成thrombosis——斑點狀出血、腦水腫brainedema——融合成片(子癇)第四頁,共六十頁。精選課件Pathophysiology腦內動脈:壁薄、中層(zhōngcéng)肌細胞及外膜結締組織少、缺乏外彈力層——隨年齡增長彎曲呈螺旋狀——出血主要部位:深穿支penetratingarteries豆紋動脈lenticulostriateartery:大腦中動脈呈直角分出,易發生粟粒狀動脈瘤,為腦出血最好發部位,其外側支稱為出血動脈bleedingartery第五頁,共六十頁。精選課件Pathophysiology一次出血(chūxiě)常在30min內停止頭CT動態觀察:20%-40%患者24小時內血腫仍繼續擴大,為活動性出血activehemorrhage或早期再出血earlyrebleeding多發性腦出血常繼發于:hematopathy,cerebralamyloidangiopathy,neoplasm,vasculitis第六頁,共六十頁。精選課件PathologyHypertensiveICH:基底節的內囊(nèinánɡ)區intercapsule、殼核putamen占70%,腦葉lobe、腦干brainstem、小腦齒狀核區各占10%LocationofICH:殼核(內囊、側腦室),丘腦thalamus(第三腦室、內囊、側腦室),腦橋pons、小腦cerebellum、蛛網膜下腔subarachnoidspace、第四腦室forthventricle第七頁,共六十頁。精選課件PathologyHypertensiveICH:cerebralpenetratingarterymiliaryaneurysmNonHypertensiveICH:occurinsubcorticalwhitematterwithoutarteriosclerosis第八頁,共六十頁。精選課件PathologySwellingandcongestionofhemisphere出血灶:充滿血液的空腔,周圍是壞死腦組織及淤點狀出血性軟化帶、腦水腫血塊溶解——吞噬細胞清除含鐵血黃素和壞死腦組織——膠質增生(膠質瘢痕(bānhén)或中風囊)第九頁,共六十頁。精選課件Clinicalfeaturesage:50~70yearsoldsex:moremalepatientsseason:winterorspringpasthistory:hypertensioninducement:activity、excitementonset:acuteonset第十頁,共六十頁。精選課件臨床表現一般癥狀:中年以上發病。起病突然,動態起病,病勢兇險。高顱壓征intracranialhypertensionsign

頭痛,嘔吐,血壓升高,脈搏減慢,視乳頭水腫(shuǐzhǒng),意識障礙易形成腦疝cerebralherniation神經系統定位體征:取決于血腫的部位、體積

第十一頁,共六十頁。精選課件局灶性神經功能缺損基底節區:內囊(nèinánɡ)“三偏征”偏癱hemiplegia

偏盲

hemiscotosis

偏身感覺障礙hemihypesthesia腦葉額葉顳葉頂葉枕葉各具不同缺損腦干交叉性癱瘓hemiplegiaalternate小腦

眩暈vertigo

共濟失調ataxia第十二頁,共六十頁。精選課件基底節區的血液(xuèyè)供應豆紋動脈的破裂(pòliè)成因第十三頁,共六十頁。精選課件Clinicalfeatures

basalganglionhemorrhageThetwomostcommonsitesofhypertensivehemorrhagearetheputamen(figure1)andthalamus(figure2),whichareseparatedbytheposteriorlimboftheinternalcapsule.Ingeneral,putaminalhemorrhageleadstoamoreseveremotordeficit(hemiplegia)andthalamichemorrhagetoamoremarkedsensorydisturbance(hemianesthesia).第十四頁,共六十頁。精選課件Clinicalfeatures

basalganglionhemorrhage

Homonymoushemianopiamayoccurasatransientphenomenonafterthalamichemorrhageandisoftenapersistentfindinginputaminalhemorrhage.Inlargethalamichemorrhages,theeyesmaydeviatedownward,asinstaringatthetipofthenose,becauseofimpingementonthemidbraincenterforupwardgaze.第十五頁,共六十頁。精選課件Clinicalfeatures

basalganglionhemorrhageAphasiamayoccurifhemorrhageateithersiteexertspressureonthecorticallanguageareas.Largehemorrhagesmayleadtoconsciousnessdisturbance,whileminorhemorrhagesleadtolacunarsyndrome.第十六頁,共六十頁。精選課件Clinicalfeatures

basalganglionhemorrhage丘腦(qiūnǎo)出血thalamushemorrhage:

丘腦膝狀動脈、穿通動脈破裂,表現為三偏癥狀,不同于殼核之處為均等癱、深淺感覺障礙、特征性眼征、意識障礙重、中線癥狀等尾狀核頭出血caputnucleicaudati

hemorrhage:

少見,僅見腦膜刺激征第十七頁,共六十頁。精選課件Clinicalfeatures

pontinehemorrhage

Withbleedingintothepons(figure3),coma

occurswithinsecondstominutesandusuallyleadstodeathwithin48hours.Ocularfindingstypicallyincludepinpointpupils.Horizontaleyesmovementsareabsentorimpaired,butverticaleyemovementsmaybepreserved.Insomepatients,theremaybeocularbobbing.第十八頁,共六十頁。精選課件Clinicalfeatures

pontinehemorrhagePatientsarecommonlyquadripareticorhemiplegiaalternateandexhibitdecerebrateposturing.Hyperthermia,respirationdisorderissometimespresent.Thehemorrhageusuallyrupturesintotheforthventricle,androstralextensionofthehemorrhageintothemidbrainwithresultantmidpositionfixedpupilsiscommon.第十九頁,共六十頁。精選課件Clinicalfeatures

midbrainhemorrhageMidbrainhemorrhageisrarelyseeninclinic.ThepatientsoftenmanifestWebersyndrome.Largehemorrhagesmayleadtocomaandflaccidparalysis.第二十頁,共六十頁。精選課件Clinicalfeatures

cerebellarhemorrhage小腦(xiǎonǎo)齒狀核動脈破裂Thedistinctivesymptomsofcerebellarhemorrhage(figure4)aresevereheadache,dizziness,vomiting,andtheinabilitytostandorwalk,butstrengthinthelimbsisnormal.Largehemorrhagesleadtocomawithin12hoursin75%ofpatientsandwithin24hoursin90%.Theymayleadtocompressionofthebrainstem.第二十一頁,共六十頁。精選課件Clinicalfeatures

lobarhemorrhageEtiology:AVM、Moyamoyadisease、cerebralamyloidangiopathy、tumorHypertensivehemorrhagesalsooccurinsubcorticalwhitematterunderlyingthefrontal,parietal,temporal,andoccipitallobes(figure5).Symptomsandsignsvaryaccordingtothelocation;theycanincludeheadache,vomiting,hemiparesis,hemisensorydeficits,aphasia,andvisualfieldabnormalities.Seizuresaremorefrequentthanwithhemorrhagesinotherlocations,whilecomaislessso.第二十二頁,共六十頁。精選課件Clinicalfeatures

cerebralventriculushemorrhage脈絡叢plexuschorioideus動脈(dòngmài)或室管膜下動脈(dòngmài)破裂(figure6)Globalsymptomsareobvious,butlocalsymptomsarenot.Thepatientsmayhaveafullrecoveryandagoodoutcome.Largehemorrhagesmayleadtocoma,vomiting,pinpointpupils,impliesapooroutcome.第二十三頁,共六十頁。精選課件SupplementaryfindingsCTcomputerizedtomographyischosenfirstLesion:highdensity(hematoma)surrondedbylowdensity(edema)(figure7)MasseffectisoftenseeninCT第二十四頁,共六十頁。精選課件SupplementaryfindingsMRImagneticresonanceimage急性期對幕上及小腦出血顯示不如(bùrú)CT,對腦干出血顯示優于CTICHandcerebralinfarctioncanbedistinguishedbyMRI4~5weeks,butCTcannotdistinguishthemEasytodetectAVM、aneurysmComplexstages第二十五頁,共六十頁。精選課件SupplementaryfindingsDSA:todiagnoseAVM、Moyamoyadisease、arteritisCSF:elevatedpressure,consistentlybloody,butnottheroutineexamination其他:血、尿、便常規(chángguī),肝功,腎功,凝血功能,心電圖等第二十六頁,共六十頁。精選課件診斷依據病史高顱壓征:頭痛,嘔吐,血壓高早期意識障礙(zhàngài)局灶性定位體征頭顱CT:腦實質內局灶性高密度病灶第二十七頁,共六十頁。精選課件DiagnosisSenilepatientsafter50yearsofagePasthistoryofhypertensionOnsetduringactivitySuddenonsetCTscan第二十八頁,共六十頁。精選課件DifferentialdiagnosisCerebralinfarction:situationandspeedofonset,bloodpressure,lesionshowedbyCTComaduetoothercauses:presentillnesshistoryInjury:historyofinjuryNonhypertensivehemorrhage:withouthistoryofhypertension第二十九頁,共六十頁。精選課件治療原則防止再出血降顱壓控制血壓防止并發癥根據病情(bìngqíng)選擇手術第三十頁,共六十頁。精選課件Treatment

medicaltreatment保持安靜keepquiet、臥床(wòchuánɡ)休息restinbed、減少探視avoidmeeting水電解質平衡keepwater_electrolytebalance和營養nutrition控制腦水腫controlbrainedema,降低顱內壓decreaseICP:antiedemaagents,e.g.mannitol控制高血壓controlbloodpressure:antihypertensiveagentsordiureticsuchasfurosemide防治并發癥preventcomplications:rebleeding,herniation,infection第三十一頁,共六十頁。精選課件Treatment

surgicaltreatment時機:超早期(zǎoqī)6-24小時IndicationContraindications術式第三十二頁,共六十頁。精選課件Rehabilitation盡早(jìnzǎo)進行assoonaspossible抗抑郁antidepression第三十三頁,共六十頁。精選課件SpecifictreatmentNonhypertensivehemorrhagePoly-cerebralhemorrhageRebleedingUnstablecerebralhemorrhage第三十四頁,共六十頁。精選課件PrognosisThemortalityin30daysis35%~52%,halfofthepatientsdiewithin2days,duetocerebralherniation.Largehemorrhagesofbrainstem、thalamus、ventricleimpliesapoorprognosis.第三十五頁,共六十頁。精選課件(SubarachnoidHemorrhage)定義各種(ɡèzhǒnɡ)原因引起的軟腦膜血管破裂,血液流入蛛網膜下腔。蛛網膜下腔出血(chūxiě)第三十六頁,共六十頁。精選課件

ConceptionItisanacutehemorrhagiccerebralvasculardiseaseinwhichvesselsonsurfaceofbrainandspinalcordrupturesuddenlyduetomanycauses,bloodflowintothesubarachnoidspace,calledprimarySAHSecondarySAH:hemorrhagesinbrain、ventricleorepidural(subdural)spaceruptureintosubarachnoidspaceTraumaticSAHCountfor10%instroke,for20%inhemorrhagicstroke第三十七頁,共六十頁。精選課件EtiologyCongenitalaneurysmismostcommonetiologyAVM

isalessfrequentcauseofSAHHypertensivearteriosclerosisaneurysmisthethirdcauseofSAHMoyamoyadiseaseistheforthcauseOthersincludetumor,arteritis第三十八頁,共六十頁。精選課件病因和發病(fābìng)機制第三十九頁,共六十頁。精選課件PathophysiologyCerebralarteryaneurysmaremostcommonlycongenital“berry”aneurysms,whichresultfromdevelopmentalweaknessofthevesselwall,especiallyatthesitesofbranching.AVMaremostcommoninthemiddlecerebralarterydistribution.Arteritiscanalsoplayanimportantroleinthedisease.Tumorinvasivethevesselwallcannotbeoverlooked.第四十頁,共六十頁。精選課件Pathophysiology顱內壓增高increasedICP阻塞性腦積水obstructivehydrocephalus化學性腦膜炎asepticmeningitis下丘腦功能紊亂自主神經功能紊亂dysautonimia交通性腦積水communicatinghydrocephalus血管活性物質致血管痙攣(jìnɡluán)vascularspasm、蛛網膜顆粒粘連、甚至腦梗死、正常顱壓腦積水第四十一頁,共六十頁。精選課件Pathology85%~90%ofintracranialaneurysmslocateanteriorinthecircleofWillis,theyaremainlysingle,theyaremultipleinabout10%—20%ofcases,locatingintheoppositesiteofthesamevessel,calledmirroraneurysm.好發于Willis環動脈分叉處破裂頻度血液主要沉積在腦底部、腦池可破入腦室(nǎoshì)致腦積水蛛網膜無菌性炎癥反應第四十二頁,共六十頁。精選課件ClinicalfeaturesAnyageofpersonmaysufferfromSAH.Theclassic(butnotinvariable)presentationofSAHisthesuddenonsetofanunusuallyseveregeneralizedheadache,patientsoftendescribeitas“theworstheadacheIeverhadinmylife”.Theabsenceoftheheadacheessentiallyprecludesthediagnosis.

Lossofconsciousnessisfrequent,asarevomitingandneckstiffness.Symptomsmaybeginatanytimeofdayandduringeitherrestorexertion.第四十三頁,共六十頁。精選課件ClinicalfeaturesThemostsignificantfeatureoftheheadacheisthatitis

new.

Milderbutotherwisesimilarheadachesmayhaveoccurredintheweekspriortotheacuteevent.Theseearlierheadachesareprobablytheresultofsmallprodromalhemorrhages(sentinel,orwarning,hemorrhages)oraneurysmalstretch.第四十四頁,共六十頁。精選課件ClinicalfeaturesTheheadacheisnotalwayssevere,buttheintensityoftheheadachemayremainunchangedforseveraldaysandsubsideonlyslowlyoverthenext2weeks.Arecrudescentheadacheusuallysignifiesrecurrentbleeding.Thereisfrequentlyconfusion,stupor,orcoma.Nuchalrigidityandotherevidenceofmeningealirritationarecommon.Meningealirritationmayinducetemperatureelevationstoashighas39℃duringthefirst2weeks.Preretinalglobularsubhyaloidhemorrhages(foundin20%ofcases)aremostsuggestiveofthediagnosis.第四十五頁,共六十頁。精選課件ClinicalfeaturesBecausebleedingoccursmainlyinthesubarachnoidspaceinpatientswithaneurysmalrupture,prominentfocalsignsareuncommononneurologicexamination.Whenpresent,theymaybearnorelationshiptothesiteoftheaneurysm.Anexceptionisoculomotornervepalsyoccurringipsilateraltoaposteriorcommunicatingarteryaneurysm.Bilateralextensorplantarresponsesandⅵnervepalsiesarefrequentinsuchcases.RupturedAVMsmayproducefocalsigns,suchashemiparesis,aphasia,oradefectofthevisualfields.第四十六頁,共六十頁。精選課件

ClinicalfeaturesInducementandaura:inducementincludeintensiveactivity、exhaustion、excitement,auracanbe“warningleak”andlocalizedsign.SymptomsofSAHpatientsabove60yearoldarenottypical:slowlyonset,headacheandmeningealirritationarenotobvious,withsevereconsciousnessdisturbance,oftenaccomplishedwithcardiacdamageandothercomplications第四十七頁,共六十頁。精選課件ComplicationsRecurrenceofhemorrhage:Recurrenceofaneurysmalhemorrhage(20%over10-14days)isthemajoracutecomplicationandroughlydoublesthemortalityrate.RecurrenceofhemorrhagefromAVMislesscommonintheacuteperiod.Arterialvasospasm:Delayedarterialnarrowing,termedvasospasm,occursinvesselssurroundedbysubarachnoidbloodandcanleadtoparenchymalischemiainmorethanone-thirdofcases.第四十八頁,共六十頁。精選課件ComplicationsAcuteorsubacutehydrocephalus:Acuteorsubacutehydrocephalusmaydevelopduringthefirstday-orafterseveralweeks-asaresultofimpairedCSFabsorptioninthesubarachnoidspace.Progressivesomnolence,nonfocalfindings,andimpairedupgazeshouldsuggestthediagnosis.第四十九頁,共六十頁。精選課件ComplicationsSeizures:Seizuresoccurinfewerthan10%ofcasesandonlyfollowingdamagetothecerebralhemisphere.Others:Althoughinappropriatesecretionofantidiuretichormoneandresultantdiabetesinsidiouscanoccur,theyareuncommon.第五十頁,共六十頁。精選課件

SupplementaryfindingsCT:patientspresentingwithSAHaregenerallyinvestigatedfirstbyCTscan(figure8),whichwillusuallyconfirmthathemorrhagehasoccurredandmayhelptoidentifyafocalsource.約15%患者CT僅顯示(xiǎnshì)腳間池少量出血,向中腦環池、外側裂池基底擴散,稱非動脈瘤性SAHnA-SAHCSF:ifCTscanfailstoconfirmtheclinicaldiagnosis,lumberpunctureisperformed.Thefluidisgrosslybloody,thesupernatantofthecentrifugedCSFbecomesyellow(xanthochromic),thechemicalmeningitismayproducepleocytosis.第五十一頁,共六十頁。精選課件SupplementaryfindingsDSA:todetectaneurysmorAVM,itisaprerequisitetotherationalplanningofsurgicaltreatment.MRIandMRA:MRIisespeciallyusefulindetectingsmallAVMslocalizedtothebrainstem(anareapoorlyseenonCTscan).TCD:todetermineCVS實驗室檢查(jiǎnchá):血常規、凝血功能、肝功、免疫學第五十二頁,共六十頁。精選課件DiagnosisSymptom:thehistoryofasuddensevereheadachewithconfusionorobtundationSign:nuchalrigidity,anonfocalneurologicexaminationCSF:bloodyspinalfluidFundusoculi:preretinalglobularsubhyaloidhemorrhagesCTfindings第五十三頁,共六十頁。精選課件鑒別診斷腦出血顱內感染(gǎnrǎn)第五十四頁,共六十頁。精選課件DifferentialdiagnosisHypertensiveintracranialhemorrhage:thereareprominentfocalfindings.Intracranialinfection:it

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