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????? . ??????????????? ????????????????? ???????????,??????????????????? . ??????(1). Rotavirus(????):Astrovirus(????) :Adenovirus(4041)(???):Norwalk virus(calidviruses)(?????):. ??????(2). Rotavirus: all mammals and birdsAstrovirus (????) : children
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1. ???? ???????????
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2. ???? ?????:
??? :
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3. ?????
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???????????,???????????????????
4. ??????(1) Rotavirus(????):
Astrovirus(????) :
Adenovirus(40‚41)(???):
Norwalk virus(calidviruses)(?????):
5. ??????(2) Rotavirus: all mammals and birds
Astrovirus (????) : children & infant
~ second most important
~ similar to rotavirus, but be milder
~ mild to moderate watery diarrhea
~ less significant dehydration
~ hospital outbreaks are common
6. ??????(3) Adenovirus(40‚41)(???):
~ third most common
~ mostly <= 2 y/o
~ year-round
~ do not cause respiratory symptoms
~ diarrhea of longer duration, 10-14 days
7. ??????(4) Norwalk virus(calidviruses)(?????):
~ older children and adult
~ vomiting and nausea
~ brief duration, 1-3 days of symptom
~ resembles food poisoning from toxins
(Staphylococcus aureus or Bacillus cereus)
~ school, cruise ship, and hospital
~ shellfish or water used in food preparation
8. ???? – ??? ??????A?B?C?D?E?F?G?
A????????????????
B??C?????????
???????????,??????
9. ???? – ????(1) ?????3??(95%)????????
?????: 3-24??
6???????????:??????,
???????????
?????????:
~ ??????
~ ???????????
Very few virion are needed to cause disease
10. 1993-1997??????????????
11. ???? – ????(2) ????????????????,??????????
???????????
?????????????,????????????
???:??48??
????:????
???????????10?
12. 1993-1997??????????????
13. ???? – ????(3) ??????????
???????????
?????????????
??????????
???????????
???????????
???PH? 2 ???????
14. ???????(1) ?????:????
??????:????
?????:??
????(??????):????
???????????????
???????:?????????
??????????
???????:??????????
15. ???????(2)?????? ???????????????
????????
???????????
???????
??????????????,
??????????????
16. ?????(1) ??(??????)
??(?????????)
??(??????)
??????????????????
??? ??+???
??? ???+??
????????,????????
??? ???? ???+???
17. ?????(2) ??(?????????)?????????
????????????????
??????????????
????????
????:????(?/???????????????)
18. ?????(3) ??????????????????????????????
???????????. Why ?
???????????????????????????
????????????????????
????????????????,??????
19. ?????(4) ????????4-6????????,?????????(??)??4-6??
????(PH<6):??????????????????
?????????:????????-form????? -form???????,??????????????
20. ???????(3)????????? ?????????????????? ????????????????
?????????????????????
????????
?????????????
21. ???????(4)?????: ?????????
??????????
???:???????
???:????????
?????????????????
22. ??????:?????????
destroy villus tip cells in small intestine
gastric mucosa is not affected
upper villus enterocytes (differentiated cell) in small intestine
~ ???? (hydrolysis of disaccharides)
~ ???? (transport of water & electrolyte via
glucose & amino acid cotransporters) ????????(1)
23. ????????(2) ??????:
~ ????? ???????
~ ???????????
??????????????????,????????,??????
24. ???? – ???? (1) ???: 1~3? (< 48hr )
??:?/?????????????????????,???????
?????1-2?,??????? 5-7?
???????:??3??-3??
???????
???????????????
????: ??????? ?????
????
25. ???? – ???? (2) ???????????????
???????
?????????,???????
??????????????????
??:~ ??????
~ ????????????
~ ????????
~ ????,????????
~ ?????????
26. ???? ????: ?????????,??
?????,??????
~ Isotonic dehydration with acidosis
~ stools are free of blood and leukocytes
~ WBC may be moderately elevated
secondary to stress
??????????(??????):
??????????
????: ?????????
27. ???? – ?? (1) ????????: ???????
???????????
????:~ ????????
~ ?????????????,
??????????
~ ????????
?????????:??????????
?????
28. ???? – ?? (2) ???:6~8??????????,
??????
??12??:
~ clear liquid or dilute formula: without benefit ~????????,?????????
?????: ?????????
?????: ????????
29. ???? – ?? (3) ????:(?????????)
~??????? (????)
~???????????
~????????
no role for drug treatment
~??????:??????????
~???:no benefit
30. ???? – ?? (3) ???????(????????????)????:???????,?????????
????(????????) BRAT(bananas, rice, apple sauce, toast)
:not been shown to be superior
31. ?? (4) -???????? 1 ??:???????????
????????,?????????????
??????30~60mEq/L (??90mEq/L)
??????2~2.5% (??5%)
????????5%???????
???????????(?70%),??????????????
32. ?? (4) -????????2 ???????????????,???????????
??????3%,???????,???????????????
???????,?????,????????????
??????????
33. ????(1) ??????6~28mEq/L
10%???
?????????????
??????????????;????????????
??????,??????????
34. ????(2) ??????,??????????
???????????????????,??????????
?????:???4~6????(????
???),???????
?????????????
??????,??????
????:?????????
????:?????????,????
35. ????-??? ????:?????????????????????
??????,???????,???????????
??????????,??????????,????????????,????????
36. ?? ??:?????(?????????)
???????????????,????????????
~ limited protection against any subsequent
infection (38%) and diarrhea (77%)
~ protection against severe diarrhea (87%)
37. ?? ??????:????????????,??????????????
??????:??????????,?????????
??????:?????????????,?????????
??????:????????
38. ???? ?????:??????
????:???????????
????????:
~ persistent high fever
~ WBC in the stool
~ persistent severe or bilious vomiting
(especially in the absence of diarrhea)
39. ???? ?????:??????????
?????????
?????
???: ?????
?????????/????
????????
???: ?????????/????
40. Thanks for your attention