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时间:2018-10-07
《非酒精性脂肪肝与相关代谢紊乱ppt课件》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、非酒精性脂肪性肝病与相关代谢紊乱非酒精性脂肪性肝病(NAFLD)定义流行病学危险因素自然转归诊断标准定义一种与胰岛素抵抗(IR)和遗传易感密切相关的代谢应激性肝脏损伤病理学改变与酒精性肝病(ALD)相似,但患者无过量饮酒史疾病谱包括非酒精性单纯性脂肪肝(NAFL)、非酒精性脂肪性肝炎(NASH)及其相关肝硬化和肝细胞癌流行病学(西方国家)患病人群NAFLD患病率NASH肝硬化普通人群20%~33%10%~20%2%~3%肥胖患者60%~90%20%~25%2%~8%2型糖尿病28%~55%高脂血症患者27%~92%[1]FarrellGC,L
2、arterCZ.Nonalcoholicfattyliverdisease:fromsteatosistocirrhosis.Hepatology,2006,43(2Suppl1):S99-S112.[2]deAlwisNM,DayCP.Non-alcoholicfattyliverdisease:themistgraduallyclears.JHepatol,2008,48Suppl1:S104-S112.[3]AnguloP.GIepidemiology:nonalcoholicfattyliverdisease.AlimentPharm
3、acolTher,2007,25:883-889近年迅速增长,低龄化上海、广州和香港等发达地区成人NAFLD患病率在15%左右流行病学(中国)FanJG,FarrellGC.Epidemiologyofnon-alcoholicfattyliverdiseaseinChina.JHepatol,2009,50:204-210.自然转归NAFLD肝硬化NASH肝硬化随访10-20年0.6%-3%随访10-15年15%~25%1、NAFLD患者肝病进展速度主要取决于初次肝活组织检查(简称肝活检)组织学类型;2、在NAFLD漫长病程中,NASH为N
4、AFL发生肝硬化的必经阶段[1]FarrellGC,LarterCZ.Nonalcoholicfattyliverdisease:fromsteatosistocirrhosis.Hepatology,2006,43(2Suppl1):S99-S112.[2]deAlwisNM,DayCP.Non-alcoholicfattyliverdisease:themistgraduallyclears.JHepatol,2008,48Suppl1:S104-S112.NASH和进展性肝纤维化的危险因素:1、年龄>50岁2、肥胖(特别是内脏性肥胖)3
5、、高血压4、2型糖尿病5、ALT增高6、AST与ALT比值>17、血小板计数减少[1]FarrellGC,LarterCZ.Nonalcoholicfattyliverdisease:fromsteatosistocirrhosis.Hepatology,2006,43(2Suppl1):S99-S112.[2]deAlwisNM,DayCP.Non-alcoholicfattyliverdisease:themistgraduallyclears.JHepatol,2008,48Suppl1:S104-S112.[3]Vuppalanchi
6、R,ChalasaniN.Nonalcoholicfattyliverdiseaseandnonalcoholicsteatohepatitis:Selectedpracticalissuesintheirevaluationandmanagement.Hepatology,2009,49:306-317.[4]TorresDM,HarrisonSA.Diagnosisandtherapyofnonalcoholicsteatohepatitis.Gastroenterology,2008,134:1682-1698.研究发现,NAFLD患者
7、预期寿命缩短[包括不明原因ALT和γ-GT增高者]死因主要为:恶性肿瘤动脉硬化性心血管疾病肝硬化自然转归[1]FarrellGC,LarterCZ.Nonalcoholicfattyliverdisease:fromsteatosistocirrhosis.Hepatology,2006,43(2Suppl1):S99-S112.[2]deAlwisNM,DayCP.Non-alcoholicfattyliverdisease:themistgraduallyclears.JHepatol,2008,48Suppl1:S104-S112.[3
8、]VuppalanchiR,ChalasaniN.Nonalcoholicfattyliverdiseaseandnonalcoholicsteatohepatit
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