Haemophilus Flashcards

1
Q

Haemophilus necesidades para crecer

A

Factor X (protoporfirina) y V(NAD). Satelismo con s.aureus, o agar de chocolate

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2
Q

Haemophilus especies

A

Haemophilus influenzae
Haemophhilus parainfluenzae
Haemophilus ducreyi

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3
Q

Haemophilus influenzae serotipos

A

Serotipo B - con cápsula

No tipable - sin cápsula

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4
Q

Haemphilus influenzae hábitat

A

Tracto respiratorio humano

Patógeno oportunista

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5
Q

H.influenzae no tipable enfermedades

A

Otitis media (25%)
Neumonía
Sinusitis
Conjuntivitis purulenta

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6
Q

H.influenzae no tipable Dx

A
Cultivo dificil (forman parte de la flora normal)
Sólo el Dx el aislamiento en sangre (raro)
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7
Q

H.influenzae no tipable tto

A

atb empírico
Orales: amoxi-clavulinico, fluorquinolonas, macrólidos
I.V - cefalosporinas

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8
Q

Enfermedades por Haemophilus tipo b (Hib)

A

Meningitis - niños - por la cápsula!
Neumonia y empiema
Celulitis
Artritis sépticas
Epiglotitis - obstrucción respiratoria aguda por inflamación tejidos supraglóticos
Epiglotis roja, inflamada que obstruye la faringe

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9
Q

Hib Dx

A

Meningitis - LCR
Empiema - liq.pleural
Neumonía - esputo o muestra respiratoria de calidad
Artritis - Liq.articular y hemocultivo
Epiglotitis - no toma muestra - 50% hemocultivos son positivos

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10
Q

Hib tto

A

Amoxicilina-clavulánico, cefotaxima o ceftriaxona

Quimoprofilaxis: rifampicina

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11
Q

Enfermedad por H.ducreyi

A

Chancroide

úlcera genital dolorosa que sangra (chancro blando) + linfadenitis inguinal

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12
Q

H.ducreyi tto

A

Azitromicina

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