三叉神经痛与带状疱疹后神经痛VIP免费

三叉神经痛与带状疱疹后神经痛(trigeminalneuralgia&post-herpeticneuralgia,TN&PHN)Hereisapieceofarticleextractedfromhealth&diseaseinformationonJuly13,2006NeuralgiaNeuralgiaissharp,severe,shootingpainalonganerveorgroupofnerves.Thepainofneuralgiausuallycomesandgoes.Neuralgiacanaffectadultsofanyage,althoughsometypesaremorecommonaftermiddleage.Neuralgiaiscausedbyirritationordamagetoanerve,althoughthecauseoftheirritationisoftennotknown.Thetypeofneuralgiathatoccursdependsuponwhichnerveisaffectedandthereasonitisirritated.Irritationcanbecausedbyaninfection,suchastoothdecay,theherpeszostervirus(shingles),ornasalinfections;eyestrain;systemicdiseases;arthritis;exposuretocold;apinchednerve;injury;orevenpoordiet.DiagnosisTodiagnosisneuralgia,yourdoctorwilltakeacompletemedicalhistoryandperformaphysicalexamination.Heorshewillsuspectneuralgiabaseduponthelocationofyourpainanditscharacteristicsymptoms.Yourdoctorwilllookforanunderlyingcauseofyoursymptoms.Forexample,ifyouhavefacialpain,yourdoctorwillevaluateotherpossiblecausessuchasproblemswiththejaw,teeth,orsinuses.Heorshewillalsocheckwhetheratumororaneurysmisputtingpressureonanerve.TherapiesAntiseizuredrugs,suchascarbamazepineandphenytoin,areoftenusedtosuppresspainassociatedwithglossopharyngeal,trigeminal,andpostherpeticneuralgiasbecausetheyslowdownthenervesignalsatcertainnerveterminals.Postherpeticneuralgiacanalsobetreatedwithantidepressants,topicalpainrelievers,transcutaneouselectricalnervestimulation(TENS),oradrugcalledcapsaicin.Insomecases,thenervecanbedeadenedwithgammarays,radiofrequencywaves,orglycerolinjections.Thenervecanalsobecutorpermanentlydestroyed.Ifneuralgiaiscausedbyanarteryortumorcompressingthenerve,orapinchednerve,surgerymaybeneededtofreethenerve.AlternativetreatmentsincludeB-complexvitamintherapy,acupuncture,andherbalremediesthathavebeenfoundtohaveanti-inflammatoryeffects.Self-caretipsAlthoughthereisnowaytopreventneuralgia,youcantakestepstoavoidattacksifyouknowwhattriggersthem.Forexample,ifyourpainisinthefacialormoutharea,avoidverycoldorveryhotfoodanddrinks,don’tchewyourfoodonthesidethatispainful,don’teatextremelyhardorcrunchyfoods,avoidsplashingyourfacewithveryhotorcoldwaterwhenwashing,andrinseyourmouthwithwateraftereverymealinsteadofusingatoothbrush.Ifyouhaveshingles,seekingtreatmentassoonaspossiblecanreduceyourriskofdevelopingpost-herpeticneuralgia.TN&PHN三叉神经痛(trigeminalneuralgia,TN)与带状疱疹后神经痛(post-herpeticneuralgia,PHN)是较为常见的两种神经病理性疼痛疾病。二者同属于神经病理性疼痛，临床表现与治疗方案固有相似之处；二者发病机理、疼痛表现又各有特点，因而治疗措施亦有所不同。TN&PHN相同点临床表现：均表现为自发痛(spontaneouspain)与诱发痛(evokedpain)；检查可有扳机点(triggerpoints)疼痛范围内的皮肤痛觉过敏(hyperalgia)及触诱发痛(allodynia,又称痛觉超敏或痛觉异常)。治疗措施：均可采用抗癫痫药(anti-seizuredrugs,抗惊厥药,anticonvulsants)、抗抑郁药(anti-depressivedrugs)、阿片类镇痛药(opioids)、神经射频热凝毁损等治疗。TN&PHN不同点区别TNPHN发病机理大部分病例为原发性。有些有半月神经节的退行性和纤维性改变，有些是肿瘤或畸形血管压迫三叉神经。为水痘-带状疱疹病毒再次感染后遗疼痛。性别年龄年龄多在40岁以上，以中、老年人为多。女性多于男性，约为32∶年龄多在50岁以上，以老年人为多。男女比例约为11∶敏感药物卡马西平等抗癫痫药无特异性敏感药物神经毁损效果确切有一定疗效一、三叉神经痛trigeminalneuralgia,TN三叉神经痛三叉神...