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????(Hepatic Encephalopathy/HE)

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Title: Pathogenesis of Hepatic Encephalopathy (HE) Author: Rene Lai Last modified by: red Created Date: 4/28/2003 7:07:45 PM Document presentation format – PowerPoint PPT presentation

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Title: ????(Hepatic Encephalopathy/HE)


1
????(Hepatic Encephalopathy/HE)
  • ???????????????
  • ????????
  • ??? ?????

2
????(Hepatic Encephalopathy/HE)
  • ??
  • ??????
  • ????????
  • ???????????????

3
????(Hepatic Encephalopathy/HE)
  • ??
  • ???????
  • ????(????????????????)
  • ???????
  • ???????Reye???
  • ?????????????????
  • ???????????????

4
??????
  • ???????(A)
  • ?????????????(B)
  • ????????/?????(C)

5
??????(MHE)
  • ?????,??????
  • ??????????????
  • ???????????????????
  • ?????????
  • ??????????

6
????(Hepatic Encephalopathy/HE)
  • ????
  • ?????????????
  • ?
  • ?????
  • ?
  • ??????
  • ?
  • ????????

7
????(Hepatic Encephalopathy/HE)
  • ????
  • ?????
  • ?-????/????(GABA/BZ)?????
  • ?,???????????????
  • ???????
  • ??????????

8
????(Hepatic Encephalopathy/HE)
  • ??????????
  • ? ???????
  • ?
  • ??
  • ??
  • ?,?????
  • ??????????
  • ??????
  • GABA
  • ?????????

9
HE????
  • ?????

10
HE?????????????????
  • ?????????????????????80

Gerber et al, Drugs 2000 60 1354
11
HE????????????????
  • ???????????????
  • ??????????
  • ??????????????????????
  • ??
  • ???????????

Blei, Liver Transplantation 2000 6 S14
12
HE??????????
  • ???
  • ?????
  • ??
  • ??
  • ??
  • Alzheimer II? ?????

Clemmesen et al, Hepatology 1999 29
648 Butterworth, Journal of Hepatology 2000 32
(suppl 1) 171
13
HE??????????
  • ??
  • ??Na /K ATP? ,??????
  • Cause fetor hepaticus
  • ??
  • ?????,?????????
  • ????????
  • ?????????,???????
  • ??Na /K ATP???????
  • ??????????

Weissenborn, Ballieres Clin Gastroenterol 1992
6 609
14
HE???? ?????????????????

?????????(??)
???????????(??????)
? ????,??????????,?????????
15
HE?????????????
  • ?????????
  • ??????
  • ????
  • ?????????
  • ???,????????????
  • ????????
  • ????

Gerber et al, Drugs 2000 60 1354
16
HE??????????????
  • ???????????
  • ?????????????????????
  • ??????????????
  • ???????????????
  • ???????????????????

James, The American Journal of Surgery 2002 183
424
17
HE??????????

????????
??????
?????
?????
? ?
??ß???
????
??,????(?????,1/10??)
???
??????????
??????
??????
??????
18
HE??????????
?????? ????? ? ?????
??? ??? Tyramine
?????? Octopamine
???? Phenethyamine
Phenylethanolamine
Serotonin (5-hydroxytryptamine) ??? (?) Tryptamine
Histamine ???
James, The American Journal of Surgery 2002 183
424
19
HE??????????(GABA)????
  • GABA????????????
  • GABA?????????
  • ??????
  • ????
  • GABA/BZ???(GABA??)
  • GABA??????????
  • ?????HE????

Jones, Pathophysiology of Liver Disease 2000 4
467
20
HE??????????????
  • ? ??????(AAA)?? ??????
  • ? ?????(BCAA)???????5-???
  • ? BCAA/AAA3.5?l-1.5
  • ? ???????????????????

21
??????????
  • ???????
  • ??????????
  • HE?????
  • ?????????
  • ?????????????????, ???,????
  • ????????Alzheimer ll ?????
  • ??????????????
  • ??,??,???????

22
??????????
  • ???????????????
  • ?????????????
  • ?????????????????????

23
HE????
  • ???????????,????????
  • ??????????,????????????

24
HE????

?????????(Westhaven grading) ??
???? ?????
????? I(???) ??????,???,
????,????????
?? II(????)??,????,????, ??,?? ?
?? III
(???) ??,??????????, ????,??????, /-
?? ????,????? IV? (???)
??????,????? -
??
25
  • HE????
  • ????????????,????,??,????

  • ??,??????????
  • ? ????
  • ??????????????????????????
  • ???????????????????????,??
  • ?????????(8)????(9)?????


26
????????????
  • 1.???????????????
  • 2.?????????,??(4-7?/?)d?(1-3?/?)?
  • 3.???????????
  • 4.???????????????????????,

27
?????????
  • ?????????HE???????
  • ???ALT,AST, AP, gamma GT,??,???,??,???,????,
    ????,???,????,????, CRP, ESR
  • ?????????????
  • ???????????
  • HE?????????????????

28
??????????(??????A?B)
29
??????????(Digit-symbol test and line tracing
test)
30
???????
  • ??????????,??
  • ??????
  • ???????????HE
  • ????

31
????????
  • MRI
  • MRS(Magnetic resonance spectroscopy ,MRS)
  • Positron emission tomography (PET)

32
?????? ??????
???? 1.?????(?)????????? 2.??????????? 3.?????
?? 4.????????????? 5.?????????????(??)
33
????????
  • ???
  • ???
  • ???
  • ?????
  • ????
  • ?????

34
MHE??
  • ????????,????????????
  • ????????????,???,??????

35
  • ??????
  • ????????????(?????)(?)????
  • (?)????????????
  • 1.??
  • ?????
  • ?????,???4060g/?(???
  • ???????????)
  • ??5.06.7J(?????)
  • ?????
  • 2.?????
  • ???????

36
?????? 3.???????????,???
?? ??? ??
???? 1)?????,?????? 2)HNH3NH4??? 3)???????
4)????????? ?????,??,???????
37
??????
  • (?)???????????,??????????
  • 1.????
  • ?????(??6.3g/20ml ??34mmol/L)
  • ????(??5.75g/20ml ??34mmol/L)
  • ??????????,???PH???,
  • ?????????????????,????????????????

38
?????? 2.??????????
?????? ?????????????? 3.GABA/BZ???????
?????(bicuculline)GABA??????
????(flumazerlil)??????????
39
??????
  • (?)??????
  • 1.???????????????
  • 2.????????
  • 3.????????
  • 4.???????????
  • 5.???????Vitk1,????
  • 6.????????
  • (?)??????????

40
??????
  • ??
  • ???
  • ??,??
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