5. carbapenemi Flashcards

(5 cards)

1
Q

alcatuire

A
  • contin inelul B-lactamic si un alt inel cu 5 atomi

imipenem:
- asociere cu cilastatin
- legare de PBPs => inhiba sinteza peretelui bacterian
- rezistenta mare fata de B-lactamaze

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2
Q

activitate antimicrobiana

A
  • bacterii aerobe si anaerobe
    Listeria
    Pseudomonas si Acinebacter
    B fragilis
    Nocardia - unele specii de mycobacterium
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3
Q

farmacocinetica

A
  1. nu se absoarbe dupa adm orala
  2. hidroliza rapida sub actiunea unor dipeptidaze din margine in perie a tubului renal proximal
  3. adm iv
  4. ajustare doze la pacienti cu IR
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4
Q

reactii adverse

A
  1. greturi si varsaturi
  2. convulsii - doze mari
  3. alergie b-lactamice => r de hipersensibilitate dupa adm
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5
Q

indicatii

A
  1. infectii urinare
  2. infectii de tract resp inferior
  3. infectii intra-abd si ginecologice
  4. infectii cutanate si de t moi
  5. infectii osoase si articulare
  6. infectii det de tulpini rezist la CEF = citrobacter freundii si enterobacter
  7. utilizare cu prudenta - tratament empiric al infectiilor la pacienti spitalizati care au primit recent un alt antibiotic b-lactamic
  8. nu monoterapie - inf cu P. aeruginosa
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