Helicobacter pylori Flashcards

1
Q

Características microbiológicas

A

Coma shape
BNG
Móviles → Flagelo polar

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2
Q

Factores de patogenicidad

A
  • LPS → Poco antigénico
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3
Q

Nicho ecológico

A

Estómago → colonizan crónicamente

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4
Q

¿Qué provoca en el estómago?

A

Ureasa → Bloquea producción de ácido gástrico o lo neutraliza.

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5
Q

¿Dónde se da?

A

Países desarrollados

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6
Q

Resorvorio

A

Humanos → único

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7
Q

Transmisión

A

Oral-fecal

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8
Q

Es un factor de riesgo para

A
  • Gastritis
  • úlceras gáctricas → 85%
  • Adenocarcinoma gástrico
  • Linfoma tipo MALT
  • Úlceras duodenales → 95%
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9
Q

Es considerado un factor de protección contra

A
  • ERGE
  • Adenocarcinoma esofágico
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10
Q

Prueba Dx

A

Prueba de la ureasa en aliento o en biopsia

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11
Q

Métodos Dx

A

Microscopía en biópsia gásctrica

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12
Q

Tx

A

En pacientes asintomáticos
Amoxiciclina+Cllaritromicina+IBP

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