Helicobacter. Flashcards

1
Q

¿Cómo y cuando se identifico?

A

En1982,apartir de material gástrico de un px con gastritis.

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2
Q

¿Qué produce Helicobacter pylori?

A

Gastritis y ulcera gástrica y duodenal y se asocia con el cáncer gástrico.

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3
Q

Especies mas destacadas…

A

H.pylori,H.cinaedi. H.fennelliae y H.mustelae.

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4
Q

Características

A

Bastón curvo, cuatro flagelos unipolares, microaerofilico, Catalasa y oxidasa +, ureasa para regular ph gastrico.

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5
Q

Cuanto se presenta

A

cualquier epoca del año, su reservorio es el humano, la frecuenacia aumenta con la edad, ambos generos, principalmente en la juventud.

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6
Q
A

50% asintomaticos
10-15 inflamacion cronica.

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7
Q
A

mas comun en bajo nivel socieconomico y haciendamiento.

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8
Q
A

saliva, esofago,estomago,duodeno,placa dental y heces

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9
Q

se encuentra en

A

epitelio del estomago

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10
Q

que libera

A

Citotoxina vacuolizante A (VacA) y citotoxina asociada al gen A (CagA)

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11
Q
A

dolor abdominal en el epigastrio cronico y recurrente, distencion abdominal.

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12
Q
A

tincion warthin starry

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13
Q
A

antimicrobiano mas sales de bismuto ( amoxicilina,macrolidos,tetraciclinas)
IBP- omeprazol

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