Wound Classification, Infecton, & Antimicrobial Use

Question 1

How would we classify a wound that was created by surgery, as long as there was no infection encountered, aseptic technique was maintained, and no structure normally containing bacT was opened…?

Answer 1

Clean!

Question 2

How would we classify a wound created by surgery, but in the case where a minor break in technique occurred or a hollow/viscous/organ normally containing bacT was opened and contents were spilled…?

Answer 2

Clean-contaminated

Question 3

How would we classify a wound created by surgery, but involved a major break in technique and a hollow viscus is opened with gross spillage, OR a traumatic wound…?

Answer 3

Contaminated

Question 4

The risk of infection doubles with every ________ of surgery (anesthesia).
[time]

Answer 4

70 min
​(1 hour as *general rule of thumb*)

p. 91 Fossum

Question 5

How long before surgery should you administer prophylactic antibiotics?

Answer 5

30-60 min prior to skin incision
*continued perioperatively, but not longer than 24 hours*
—>Cefazolin 22mg/kg IV q 90-120 min intra-op

p. 93, Fossum

Question 6

When should therapeutic antibiotics be started and continued for?

Answer 6

Started before surgery and continued for 2-3 days after apparent resolution of infection