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MICROBIOLOGIA PATÓGENA DE PIEL y TEJIDOS.
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lOMoARcPSD|7199861MICROBIOLOGIA PATÓGENA DE PIEL y TEJIDOS.
BIOTA NORMAL DE LA PIEL
• La piel es un medio idóneo para la permanencia de microorganismos ya
que siempre esta expuesta a estos.
• Tiene una biota natural constante y definida, que se modifica en distintas
regiones anatómicas por diversos casos.
o Se restituye rápidamente gracias a las glándulas sebáceas y
sudoríparas; y no es fácil de eliminar o modificas (por
bañarse, lavarse las manos, etc.)
• Los principales factores de eliminación de microorganismos no naturales de
la piel; son EL PH reducido, ácidos grasos de las secreciones sebáceas y la
presencia de lisozimas.
• Apósitos = provocan aumento de población total de microorganismos y
genera alteraciones cualitativas de la biota.
•
MICROORGANISMOS QUE COLONIZAN CON MÁS FRECUENCIA:
• Acinetobacter:
• Aerococcus
• Bacillus
• Clostridium
• Corynebacterium
• Micrococus
• Peptostreptococcus
• Propionibacterium
• Staphylococcus
• Streptococcus
HONGOS
• Candida
• Malessezia.
ESTAFILOCOCOS IMPORTANTES
Staphylococcus
• S. Aureus = Toxinas (Intoxicación alimentaria, sx de piel escaldada, sx de
shock toxico.) // Cutánea (Ántrax, foliculitis, forúnculos, Impétigo, infecciones
en herida); Otras ( Bacteriemia, endocarditis, neumonía, osteomielitis, artritis
séptica). ==
• S. Epidermis = Bacteriemia; endocarditis; heridas quirúrgicas; Infec.
Tracto urinario y oportunistas en catéteres; Anastomosis, prótesis,
dispositivos de diálisis peritoneal
• S. Saprophyticus = Infec. Tracto urinario y infec. Oportunistas
• S. Lugdunensis = Endocarditis; artritis; bacteriemia; infecciones
oportunistas e infec. del aparato genitourinario
• S. Haemolyticus= Bacteriemia; endocarditis; infec. Oseas y articulares;
Infec. Tracto urinario; Infec. De heridas e Infec. Oportunistas
Descargado por MT MT (miguelb@live.com.mx)
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