Exam 3 Wound Infection Flashcards Preview

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Flashcards in Exam 3 Wound Infection Deck (14)
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1
Q

Surgical Site Infections (SSI) primary source of pathogen?

A

The patient

2
Q

What local factors combat SSI? (7)

A
Intact epithelium
↓ moisture
Flushing via tears/urine
Cilia
Mucus
pH
Local immunity
3
Q

What systemic factors combat SSI? (2)

A

Phagocytes

Immune system

4
Q

What % of pts w/ SSI die?

A

> 75%

5
Q

SCIP quality performance measures include? (6)

A
Prophy ABX
Hair removal
Urinary catheters
Periop temp
VTE prophy
β-block therapy
6
Q

What systemic factors ↑ risk of SSI? (9)

A
Age
Chronic illness
Steroids
Malnutrition
Chemo/Radiation
Obesity (poor vascularization)
DM
Hyperglycemia
Immunosuppression
7
Q

Sites of entry for infection? (4)

A

Injured tissue
Incision
Puncture for vascular access
Catheters

8
Q

Causes of Hypothermia? (3)

A

Exposure
Large vol infusion of cold liquid
Evaporative loss during intracavitary surgery

9
Q

Hypothermia ↑ risk for infection, how?

A

Vasoconstriction ↓ blood flow and immune response

10
Q

Causes of Hyperglycemia?

A

Catabolism and insulin resistance from surgical stress

11
Q

Hyperglycemia ↑ risk for infection, how?

A

Impairs immune fxn in DM and non-DM pts

12
Q

Prophy ABX for surgery?

A

1st or 2nd gen Cephalosporins

13
Q

Contact isolation necessary for what microbes? (4)

A

MRSA (Methicillin Resistant Staph Aureus)
VRE (Vancomycin-Resistant Enterococci)
MDR (Multi-resistant G- bacilli)
C Diff

14
Q

C Diff requires what particular precaution?

A

Handwashing w/ soap/H2O

Alcohol gels don’t kill spores