module 12 other cell wall-acting agents Flashcards
monobactam Rx
aztreonam
aztreonam MOA
inhibit cell wall synthesis
- binds to PBP-3 in gram - bacteria
aztreonam spectrum of activity
gram - including: pseudomonas aeruginosa
aztreonam uses
good substitute for pt with penicillin allergy or inc. risk of aminoglycoside toxicity
glycopeptides MOA
inhibit cell wall synthesis
- binds to D-alanyl-D-alanine precursor in gram + bacteria
- > no peptidoglycan cross linking
vancomycin spectrum of activity
gram + only
- MRSA
- enterococcus
- coagulase - neg. staph
- oral: c. diff
vancomycin precaution
dose adjust with renal insufficiency
vancomycin AE
red mans syndrome: related to infusion
rare: nephrotoxicity, ototoxicity
vancomycin monitoring
drug level: trough
glycopeptide Rx
vancomycin
televancin
dalbavancin
oritavancin
televancin, dalbavancin, oritavancin spectrum of activity
Gram + only
- staph, strep, enterococcus
televancin, dalbavancin, oritavancin education
less monitoring than vanco
simplified dosing