Perioperative Antibiotics Flashcards
1
Q
General characteristics of use of perioperative antibiotics?
A
- Prophylaxis or therapeutic
- Selection based on expected flora
- Will reduce bacteria numbers
- Required due to low immune defences after surgery
2
Q
When would you not use antibiotics?
A
During clear or clean-contaminated surgeries:
- ASA status I, II or III
- Short (<90 minutes)
- No implants
3
Q
When would you use prophylactic antibiotics?
A
- 30-60 minutes before incision
- clean or contaminated surgeries lasting >90 minutes
- when an implant is placed
- risky surgery, e.g. neuro
- contaminated wounds
- ASA status III, IV or V
4
Q
When do you use antimicrobial therapy?
A
- Dirty surgeries
- Pre-existing infection
5
Q
Types of ATB?
A
- Beta lactams
- Aminoglycosides
- Fluoroquinolones
- Potentiated sulphonamides
- Tetracyclines
- Lincosamines
- Macrolides
6
Q
B-lactams?
A
Penicillins
Cephalosporins
7
Q
Aminoglycosides?
A
Gentamycin
Amikacin
8
Q
Fluoroquinolones?
A
Enrofloxacin
Marbofloxacin
9
Q
Lincosamides?
A
Lincomycin
Spectinomycin
10
Q
Macrolides?
A
Erythromycin
Tilamisin
11
Q
What would you use for hepatic disease?
A
Neomycin sulphate
metronidazole
Amoxicillin
12
Q
What would you use of SI obstruction?
A
IV before surgery
Ampicillin
Cefuroxime
Enrofloxacin
13
Q
What would you use for peritonitis?
A
Penicillin
Cephalosporin
Fluoroquinolone
Metronidazole
