Quinolonas Flashcards

1
Q

Espectro quinolonas

A

Gram +
Gram -
Shigella, Salmonela, Yersinia (disentería)
Campylobacter, Enterobacter, MSSA
Bacterias intracelulares

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2
Q

Mecanismo de accion QN segun G+/-

A

G- –> inhibe a DNA girasa
G+ –> inhibe topo isomerasa 4

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3
Q

¿Cuando logran inhibir a enzimas?

A

A concentraciones parecidas a la CIM = 0,1- 10 mcg/ml

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4
Q

Verdadero o falso: las QN pueden manejar gérmenes extra e intracelulares

A

Verdadero
Intra: Clamidia, Mycoplasma, Legionaella, Brucella. Mycobacterium

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5
Q

¿Usos ciprofloxacino?

A

ITU no com
ETS: uretritis gonocócica y x clamidia
Prostatitis
Osteomelitis
Sd diarreico agudo

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6
Q

¿Uso principal levo?

A

Infx via respiratoria (2do fármaco neumonias graves)

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7
Q

¿Uso principal moxi?

A

TBC multirresistente

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8
Q

Dosis VO de cipro - levo - moxi

A

Cipro: 500mg 12h (250-750)
Levo: 500 - 750 mg 24h
Moxi: 400 mg 24h

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9
Q

Patron PK-PD?

A

ABC > CIM

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10
Q

¿Dónde se concentran bien las quinolonas?

A

Hueso
Bilis
Heces
Próstata
Pulmón

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11
Q

¿Se pueden usar como monoterapia las quinolonas?

A

SIIII, las que no se puedenusar como mono son los Aminoglucósidos.

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12
Q

Quinolonas son

A

Lipofílicos, ojo se pueden eliminar por leche materna

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13
Q

Quinolonas tienen eliminación

A

Renal: Cipro y Levo, no ajuste HD
Hepática: Moxi

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14
Q

¿Que QN me alargan el QT?

A

Levo y moxi

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15
Q

¿RAM común?

A

Rotura espontánea tendón aquiliano

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16
Q

QN contraindicadas en

A

Niños y lactancia

17
Q

¿Qué cosas me pueden altera la biodisponibilidad de las QN?

A

Iones
Mg, Fe, Ca, Al