S.Pneumoniae Flashcards

1
Q

GRAM Pneumoniae

A

DIPLOCOCCO GRAM+

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2
Q

Classificazione S.Pneumoniae

A

α emolitico

No emolisi

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3
Q

Flora residente S.Pneumoniae

A

vie respiratorie

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4
Q

Pneumococco

A

Polmonite causata da S.Pneumoniae

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5
Q

Otite media - sinusite

A

causate da S.Pneumoniae anche Aureus (localizzate)

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6
Q

Meningite

A

S.pneumoniae
(Pyogenes / Agalactiae)

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7
Q

Infezione Pneumoniae

A

Infezione mucose respiratorie
Possibile batteriemia a polmoni-orecchio medio

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8
Q

Fattori patogeni i S.Pneumoniae

A

Capsula polisaccaridica

Adesine

Pneumolisina (degrada emoglobina)
- distrugge cell ciliate e fagociti
- produce IgA proteasi

Fosforilcolina
-antigene di superficie
lega cell endoteliali-piastrine-leucociti
internalizzazione con recettore FAP

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9
Q

Diagnosi Pneumoniae

A

Colturale faringeo

PCR

possibile sierologia

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10
Q

Terapia Pneumoniae

A

Penicillina

Vancomicina + ceftriaxone

  • resistenze:
    penicillina
    Macrolidi
    cefalosporine
    tetracicline
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11
Q

VACCINO S.PNEUMONIAE INATTIVATO

A

Vaccino anti-capsulare

  • polivalenti polisaccaridici (PPSV23):
    • risp B-dipendente (poco efficace in bambini)

-anti pneumococco coniugato (PCV13-1520)
• mix di antigeni capsulari coniugati a proteine
• risp T-Dipendente
• bambini < 5aa (3 richiami)
• anziani > 65aa
• adulti 19-64 aa

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