神经内科教学_bells palsy.ppt

《神经内科教学_bells palsy.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Bell’sPalsyTheDepartmentOfNeurologyCongLinGeorgeHerbertBushConceptFacialweaknessoftheperipheraltypeidiopathicoutsidethecentralnervoussystemwithoutanyothercranialnervepalsiesBell’sPalsy:[Etiologyandpathology]thecauseisunclearexposuretochillaviralinfectionedemadegeneratio

2、n.EtiologypathologyAnatomicophysiology[Clinicalfeatures]Occursatanyageandanytime.unilateralTheonsetisacute.attainmaximumparalysisin48h--5days.painbehindtheear.Peripheralfacialpalsy[Diagnosis]basedontheacuteonsetandtheperipheralfacialpalsy.distinguishedfromfacialparalysi

3、sduetoothercausesdistinguishedfromthesupranuclearone(suchasinastroke)Prognosisusuallygood.recoverwithinafewweeksorinamonthortwo.Butifthereisevidenceofdenervationafter10days,onemayexpectalongdelayintheonsetofrecovery.Treatmentsurgicaldecompressionmaybeharmful.takesomecor

4、ticosteroids,suchasprednisone(40to60mg/day).VitaminBantiviralagentsmaybeuseful.physiatricsandacupuncturetherapyashieldtoprotecttheeye.summaryThemajorfeaturesofBell’spalsyis:Anyage,anytime.UnilateralAcutePeripheralfacialpalsyidiopathicBell’sphenomenonThanks