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Surgery I > Surgical Asepsis > Flashcards

Flashcards in Surgical Asepsis Deck (37):
1

What is the average percentage of small animals that get SSI?

5%

2

What makes something an infection?

Invasion and multiplication of microorganisms in body tissues

3

How many days is an infection considered a SSI?

30 day s

4

How many days post surgery is an infection considered a SSI if there was a surgical implant placed?

1 year

5

What are three groups of sterilization?

Chemical + Radiation + Heat

6

What type of object is the only one that can be sterile?

Inanimate

7

What do disinfectants do?

Destroy PATHOGENIC microbes on inanimate objects

8

Where are antiseptics used?

Living tissue

9

What is decontamination?

Cleaning and disinfecting/sterilizing process to make contaminated surface safe to handle

10

What are aseptic techniques applied to?

Whole hospital

11

What are aseptic techniques designed to do?

Protect patient + hospital personnel

12

What are the characteristics of aseptic techniques?

Reduces number of pathgens
Decreases risk of infection

13

What is another name for aseptic technique?

Clean technique

14

What are the characteristics of sterile technique?

Work in a sterile field

15

Where are surgical tables considered sterile?

At table height (top of table and slightly above it)

16

Where are gowns considered sterile?

Mid-chest to waist + fingertips to two inches above elbow

17

What characteristic (just one mentioned) should the drapes covering the surgery table have?

Moisture proof

18

What are the two major categories of microorganisms?

Exogenous + Endogenous

19

Where do endogenous microogranisms come from?

Endogenous Sources

20

What is the "reasonable" goal of sterility?

Impossible to remove ALL living organisms therefore just trying to reach a level that is minimally-detrimenal.

21

What are the two most basic steps in instrument cleaning? What does each step do?

Hand cleaning = Large debris
Ultrasonic cleaning = Finer debris

22

What are the two types of sterile wraps?

Woven and unwoven

23

What is important to remember about packaging material?

It is meant for a specific type of sterile technique. If the wrong one is used you could increase the risk of SSI's.

24

What is the structure of cloth wraps?

140 thread count muslin cloth

25

What must you do with cloth wraps?

Double wrap because it is more porous

26

What are non-woven clothes made from?

Polyester fibers
Better protection

27

Do you need to do double wraps with non-woven cloth?

it is still advised

28

What does ideal wrapping allow for?

Steam + Gas penetration during sterilization process
Impermeable to microbes

29

Why is strike-through bad with surgical packs?

Can pull bacteria into surgical pack even though it was never opened

30

What are the three major determinants of an infection?

Type of pathogen
Local wound environment
Host defense

31

What is the goal of aseptic surgery?

Reduce level of wound contamination to one that the patients body can control

32

At what point will an infection develop?

>10^6 bacteria per gram of tissue

33

What happens w/ infection rate and a highly virulent bacteria?

Need less per gram of tissue to cause a problem

34

What are the factors that could lead to SSI?

Duration of Surgery
Type of surgical procedure
Host defense
Source of bacteria
Virulence

35

How much does the infection rate go up per hour of surgery?

It doubles

36

What is the time frame for a fresh traumatic wound?

37

What is the time frame for a traumatic wound?

> 4 hours