vibrio cholerae - microbiologia
DESCRIPTION
Una breve exposicion de V. CholeraeTRANSCRIPT
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Universidad VeracruzanaFacultad de medicina
Campus Minatitlán
Manuel Francisco Sastré HernándezBloque “D”
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0.5 a 1nm
No espora, no capsula, no fimbrias.
Anaerobio facultativo
No forma parte de la flora intestinal.
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Produce oxidasa y fermenta glucosa
Tiene antigeno “H” común en 6 grupos.
El grupo 01** es el mas importante con:
-Biotipos “Cholerae” y “El Tor”
Con subtipos: Ogawa, Inaba e Hikojima
Estan identificados por F. A. A,B y C.
Los demas generos son
autolimitantes.
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-Mexico estuvo libre a inicios del siglo XX
-1° Caso Junio de 1991(2831 casos)
-1992 (8262 casos)
-1993 (11091 casos)
-1994(1669 casos)
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Vibrio*, Aeromonas y Plesiomonas
La bacteria sobrevive de 10-60 dias**
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Vibrio El Tor:
Adhiere, libera toxina 1:5 A/BDeshidrata por AMPc
Libera: ZOT, ACE que actuan sobre enterocito IgG Vibriocida
IgA Neutraliza Toxinas
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1L /h 300ml/kg/dia
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Fiebre, Emesis, Arritmias, Hipoglucemia
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-PCR
-ELISA
-Medio de cultivo TBCS (Selectivo p/ V. C.)
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Adultos:
Tetraciclina
Doxiciclina
Niños:
TMP-SMX
Eritromicina
Furazolidona
Cloranfenicol