Helicobacter Flashcards

1
Q

Tipo de bacteria que es helicobacter

A

Bacilo gram negativo, que puede ser gastrica o enterohepatica.

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2
Q

Movilidad de la helicobacter

A

Moviles

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3
Q

¿Qué parte del cuerpo colonizan los helicobacter?

A

El estomago

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4
Q

Act. Metabólicas de la helicobacter

A

Catalasa y coagulasa positiva. No fermentadores. Productora de Ureasa.

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5
Q

Principal reservorio de la helicobacter

A

El ser humano

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6
Q

Especie más importante de helicobacter

A

Helicobacter pylori

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7
Q

¿Qué necesita para su crecimiento helicobacter?

A

Sangre, suero, carbón, almidón, yema de huevo

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8
Q

Factores de patogenicidad de helicobacter

A

-Proteinas inhibidoras del acido
-Neutralización de los ácidos gástricos con el amoniaco generado.
-Proteinas de adhesión a la superficie
-Gen asociado a la citotóxina

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9
Q

Vía de la transmisión de helicobacter

A

Vía fecal-oral

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10
Q

Enfermedades que causa helicobacter

A

-Gastritis
-Úlceras gastricas y duodenales
-Carcinoma gástrico
-Adenocarcinoma gástrico
-Linfomas gástricos MALT

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11
Q

Gastritis

A

Sensación de plenitud, nauseas, vomitos e hipoclorhidria.
-Crónicas: úlceras peptidicas

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12
Q

Diagnostico de la helicobacter

A

-Microscopia: biopsia gastrointestinal
-Prueba de ureasa
-Prueba de antígeno
-Cultivó
-Serologia

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13
Q

Tratamiento para helicobacter

A

Combinación: bombas de protones, macrolidos y beta lactamicos durante 2 semanas

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