Miningitis Aguda Bacteriana Antibioticoterapia Flashcards

1
Q

Patogenesis

A

Duramater, aracnoides, piamadre ( LCR sub aracnoideo )

LCR pocas celulas de defensa, mejor para proliferacion bacteriana, generando inflamación

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2
Q

Etiologia

A

Strepto pneumonia G+
Neisseria meningitis G-

Bebes: Strepto do grupo B ( agalaticdae ) G+, Listeria G+, E. Coli

Anciano: Listeria

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3
Q

Clinica

A

Triade: Fiebre, cefalea, rigidez de nuca

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4
Q

DX meningitis

A

Hemocultivo, Estudo de LCR ( Presion FISICO quimico )

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5
Q

O que esperar no liquor em DX positivo?

A

Presion alta, celularidade e proteinas altas, glucosa baja

Pression > 18cm H20
Celularidade > 500cel por mm3
Proteinas > 100 mg/dl
Glucosa < 40mg/dl o < 2/3 da sérica
Bacterioscopia positiva em > 60%
Cultivo: positivo em > 80%

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6
Q

TTO é empírico en meningitis?

A

SI tto empirico antes de DX

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7
Q

Barrera hematoencefalica quien penetra ?

A

B lactamicos penetran mejor

Cefalosporinas de tercera generacion

Vacomicina tiene que ser controlada, vancocinemia, porque tiene distribucion erratica, varia mucho de persona para persona

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8
Q

TTO Empírico adultos

A

3 meses hasta 55 anos

Ceftriaxona + Vancomicina

+ Corticoide - DEXA 10mg 6/6h antes/junto con ATB

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9
Q

TTO EMPÍRICO +55 ANOS

A

SUELE SER LISTERIA (G + )

CEFTRIAXONA + AMPICILINA + VANCOMICINA

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10
Q

CORTICOIDE ES INDICACION EN

A

TodO TTO EMPÍRICO

NINOS HIB
ADULTO NEUMOCOCO

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11
Q

TTO EMPÍRICO NINOS

A

CEFOTAXIMA + AMPICILINA

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12
Q

Objetivo del TTO definitivo

A

Conociendo MO y antibiograma

voy reduzir espectro para selecionar resistencia de menos MO

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13
Q

TTO definitivo Neisseria M

A

TTO 7 dias

Sensible a penicilina
Penicilina cristalina / Ceftriaxona / Ampicilina

Resiste. apenicilina
Ceftriaxona ou CEFOTAXIMA

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14
Q

TTO neumococo

A

TTO 10-14 dias

sesible penicilina - penicilina cristalina ( sódica )

Resist intermedia a penicilina
Ceftriaxona ou cefotaxima

Resit alta a penicilina
Ceftriaxona ou cefotaxima + vanco + rifampicina

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15
Q

TTO Staphylo Aureus

A

TTO 7 dias

MSSA
Oxacilina ou vancomicina

MRSA
Vancomicina ou linezolida

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