Ch.10 Preparation for Surgery: Decision Making/Operative Risk, Patient, Facility, Operating Team Flashcards
Number 1 risk factor for increased morbidity and mortality
Procedural duration
Target patient prep time
30 mins
Aim for duration of procedure including prep time
60mins
Protocol for horse unvaccinated for tetanus
Tet antitoxin in one site
Initial dose of priming series in another site
2nd dose 4-6 weeks later
Immunoglobulins attained within 14 days of 2nd vaccine
Postpone non emergency sx until after 2nd vaccine
What increase from baseline in creatinine indicates risk fro acute kidney injury
1.5 times from baseline even if still in range
Failure to comply with basic principles of asepsis leads to what increase in SSI
3.54
Minimum size of surgery suite
50m2
3 ways to minimize airborne microorgs
- Filtration
- Dilution
- Prevent entry
How many air exchanges per hour if recirculated
25
How many air changes per hour if air is exhausted to outside
15
Light intensity in surgery suite should be
At least 1000 Lux
Bacteria most commonly shed from human hair
Staph aureus
Reusable scrun caps should be disposed of after how many wears/washes
75
How thick are sx gloves
0.17 - 0.3mm
exam gloves are 0.1 - 0.18mm
What glove material offers the best protection against bloodborne pathogens
Natural rubber latex
Most elastic and tatile gloves
Natural rubber latex
Morbidities associated with powdered gloves
Alters wound healing
Promotes infection
Peritoneal adhesions
Cornstarch granulomas
Unnoticed glove puncture frequency
Up to 80% of used gloves
% of gloves with punctures before use
1.5%
By the end of an equine surgery what % of gloves have punctures
27%
Double glove - 16-67% outer
8-30% inner
Most common location for glove defects
Index finger of non dominant hand
How often should gloves be changed in long procedures
60/90 mins
How much thicker are ortho gloves such as Encore Latex Ortho
20-30%
Bacteria associated with sx shoes
Coag neg staphlococci
Are powdered gloves banned by FDA
Yes by FDA since 2017
Increased bacteria count how many days after nail polish application
4 days
Bacteria associated with false nails
G-
E.coli
MRSA on mibile phones
40%
MRSA stethscopes
42%
Bacterial regrowth to baseline on gloved hands post AHR use takes how long
6 hours
What % CHX should be used on patient skin
No less than 2% for proper bactericidal activity
How long should contact time be on sx site
3-5 mins
