Streptococcus viridians = groep Flashcards

(9 cards)

1
Q

groep

A

grampositief

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2
Q

vorm en ligging

A

kokken in ketens

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3
Q

epidemiologie

A

commensale flora van oropharynx, intestinale en urogenitale tractus

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4
Q

Pathogenese

A
  • Weinig virulent
  • Dextraan productie
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5
Q

wat doet dextraan

A
  • Vasthechting aan tandglazuur
  • Vasthechting op beschadigde hartkleppen indien circulatie in bloedbaan
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6
Q

Hoe kan het in de bloedbaan geraken

A
  • Via mondmucosa bij slechte mondhygiëne
  • na tandartsbezoek/tanden poetsen
  • Via intestinale tractus bij chemo ptn
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7
Q

ziektebeelden

A
  • Tandcariës: dextraan wordt door andere commensale omgezet tot zure metabolieten => aantasting glazuue
  • Subacute endocarditis: trage evolutie
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8
Q

diagnose

A

endocarditis: hemocultuur, cultuur per op weefsel

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9
Q

behandeling endocarditis

A
  • Heelkunde
  • Combinatie therapie bèta-lactam antibioticum + aminoglycoside
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