strep agalactiae Flashcards

1
Q

grupo de Lancefield de agalactiae

A

B

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2
Q

cómo es la zona hemolítica de agalactiae?

A

b hemolítica, menor que la de pyogenes (Grupo A strep)

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3
Q

características de agalactiae

A
  • cápsula de polisacáridos
  • coco gram +
  • anaerobio facultativo
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4
Q

cuantos tipos de polisacáridos hay y como se clasifican?

A
  • 9
  • Ia-Ib, 2-8
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5
Q

qué generan los Ac anticapsulares?

A

inmunidad
* específica, según el serotipo

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6
Q

dónde coloniza el s. agalactiae?

A
  • tracto GI inferior
  • región genitourinaria
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7
Q

porcentaje de mujeres embarazadas que son portadoras transitorias

A

10-30%

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8
Q

enf que causa agalactiae

A
  • sepsis puerperal
  • parto prematuro
  • sepsis neonatal (+ frec la temprana)
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9
Q

cómo se produce la sepsis puerperal?

A

las bacterias entran al TS en durante el parto

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10
Q

tx del agalactiae

A

penicilina

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11
Q

semanas en las que se debe de hacer el screening de mujeres embarazadas para ver si están colonizadas

A

35-37

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