Tetraciclinas Flashcards

1
Q

Mecanismo de accion. categoria y excrecion

A

Bacteriostaticos. Inhiben la sintesis de proteinas en la 30S. Excrecion: renal

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2
Q

Cobertura

A

Cocos gram + (Staph, enterococo multirresistente (most of all la demeclo), no cubre bien strep)
BG - (V. cholera y Brucella)
Espiroquetas (T. pallidum, leptospira)
Atipicos

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3
Q

Cuales tetracilcinas vimos en clase?

A
  1. Tetraciclina c/6h =ampi, eritro
  2. Doxiciclina VO c/12h
  3. Demeclociclina
  4. Tigecilcina EV
  5. Minociclina
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4
Q

Generaciones

A

1ra: tetra y demeclo
2da: doxi y mino
3ra: tigeciclina

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5
Q

Indicaciones doxi

A
  • colera DU
  • Sifilis 1ria (14d) y 2ria (28d)
  • Esprue tropical (+ac folico) x 1a
  • NAC (si no puedo Ceft con azitro)
  • Profilaxis leptospirosis
  • Brucelosis (+estreptomicina)
  • Prevencion malaria cloroquino resistente
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6
Q

Unica indicacion demclociclina

A

SIADN (por TCE, tumor pulmonar o neumonia severa)

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7
Q

Por que la tigecilina se parece tanto a la moxi?

A

Porque cubre cocos gram+ (MRSA, enterococo resist a vanco), BG- (no pseudomona ni acinetobacter), anaerobios y atipicos

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8
Q

Indicaciones tigecilcina

A
  • Inf intrabdominal
  • Peritonitis 2ria
  • Pie diabetico
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9
Q

cual efecto adverso es mas llamativo con tigeciclina

A

Prolonga mas los tiempos de coagulacion

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10
Q

Elimina el estado de portador del meningococo

A

Ceftriaxona
Minociclina
Rifampicina
Quinolonas de 3ra

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11
Q

Indicacion minociclina

A

Act antiinflamatoria importante (artritis reumatoide leve)

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12
Q

Efectos adversos

A
  1. Deposito esmalte dental y hueso en
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13
Q

Puedo darla con leche?

A

no, igual con las quinolonas

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14
Q

Eliminan estado de portador del meningococo

A

Ceftriaxona DU
quinolona de 3ra
Minociclina
rifampicina

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15
Q

Eliminan estado deportador de eStrepto?

A

no = quino y sulfas

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16
Q

Tetraciclinas que se usan para enterococo resistente a vanco

A

Demeclo (no en practica)

Tigeciclina