NSAID相关性胃肠粘膜(zhānmó)损伤的防治刘玉兰(yùlán)北京大学人民医院消化科第一页,共五十五页。NSAIDsNon-steroidalanti-inflammatorydrugs第二页,共五十五页。肿瘤(zhǒngliú)外科(wàikē)血管(xuèguǎn)NSAIDS风湿呼吸心内目前NSAIDs广泛用于临床所涉及的学科:消化神经第三页,共五十五页。让阿司匹林(āsīpǐlín)更广泛地服务于大众美国(měiɡuó)迈阿密大学Hennekens教授第四页,共五十五页。NSAIDs广泛用于临床(línchuánɡ)但副作用大大限制了其使用第五页,共五十五页。Frilling:未使用的重要(zhòngyào)原因担心其不良反应风险效益2004ESC抗血小板制剂(zhìjì)专家共识第六页,共五十五页。每5000例接受阿司匹林治疗(zhìliáo)的患者中,会出现1例呕血病例但阿司匹林每治疗1000例患者(huànzhě),每年就会阻止19例严重血管事件的发生2004ESC抗血小板制剂专家(zhuānjiā)共识^弊利第七页,共五十五页。主要(zhǔyào)副作用糜烂性食道炎糜烂性胃炎:半数内镜下消化性溃疡:10-25%上消化道出血:1-2%下消化道损伤(sǔnshāng)及出血第八页,共五十五页。NSAIDusersareatriskofrefluxesophagitisRefluxesophagitisLAGradesA–D.PhotosreproducedwithpermissionfromProfessorGTytgatAvidanetal2001•Refluxesophagitis:thepresenceofdefinitemucosalbreaksormetaplasiaoftheesophagus,visibleunderendoscopy.•Amongpatientstakingnon-selectiveNSAIDsforosteoarthritis,theprevalencerateoferosiveesophagitiswas21%.ABCD第九页,共五十五页。NSAID-associatedpepticulceration•Themajorityofpatientsdevelopsomegastricerosionsaftereachdoseofanon-selectiveNSAID.•Approximately15–30%ofNSAIDusersdevelopendoscopicallyevidentulcersatanyonetime–thesewillbegenerallysilent.•COX-2selectiveNSAIDsreducetheincidenceofpepticulcerscomparedwithnon-selectiveNSAIDs,butpatientswithriskfactorsorthosewhoalsouselow-doseaspirinremainatrisk.PhotoreproducedfromtheInteractiveAtlasofGastroenterologyHawkey&Skelly2002;Laine1996;Silversteinetal2000第十页,共五十五页。致病机制第十一页,共五十五页。NSAID对胃粘膜的损伤(sǔnshāng)机制局部作用(zuòyòng):渗透到粘膜上皮细胞内系统作用:花生(huāshēnɡ)四烯酸前列腺素COX生理病理炎症12阿斯匹林第十二页,共五十五页。NSAIDs—胃粘膜损伤(s...