P6 PHARMACOLOGY Flashcards
Example of surgery that requires antimicrobial prophylaxis
colorectal surgery , prosthetic surgery
Factors determining the used drug
- nature of the procedure
- any previous allergic reactions
- kidney function in the patient
- local anti-microbial resistance
Classifications of anti-microbial drugs
bactericidal & bacetriostatic
Preferred type of anti-microbial drugs
bactericidal
when will you give the anti-microbial drug before surgery
30-60 min before skin incision
will you administer antimicrobial prophylaxis post-operatively
depending on the duration of surgery & amount of blood loss
drugs used as surgical anti-microbial prophylaxis
first generation cephalosporins
Cephalosporins belongs to
beta-lactam superfamily of drugs
what other drugs that belongs to beta-lactam superfamily
Penicillin , cabapenem , monobactam
source of penicillin
fungus ( penicillium notatum)
source of cephalosporins
Fungus ( cephalosporium acrimonioum )
MOA of cephalosporins
cell wall synthesis inhibitors
first generation of cephalosporins
cefazolin , cefadroxil , cephalexin , cephalothin , cephradin
third generation of cephalosporins ends with
one/ten/ime
Fourth generation of cephalosporins end with
pi
fifth generation of cephalosporins ends with
rol
when you don’t observe any of the known mnemonic , it is the
2nd generation
Exceptional drug in the 2nd generation that ends with ime is
cefuroxime
the generation that has the least gram + activity
5th
the generation with the least gram - activity
1st
Maximum gram - antimicrobial activity is achieved by
5th
Maximum gram + antimicrobial activity is achieved by
1st
Cephalosporins that have anti-anaerobic activity
cefotetan & cefoxitin
Cephalosporins that have anti-pseudomonal activity
ceftazidime & cefepime & cefpirome