Week 3 UTIs

Question 1

What is a UTI called if it in the lower urinary tract?

Answer 1

Lower urinary tract -
cystitis

Question 2

What is a UTI called if it in the upper urinary tract?

Answer 2

Upper urinary tract -
pyelonephritis

Question 3

What is the difference between an uncomplicated and complicated UTI?

Answer 3

Uncomplicated are typical ones e.g. female, previous UTI, simple course of antibiotics

Complicated occur in patients with factors that compromise the urinary tract (cathetors, enlarged prostate, urinary obstruction, renal trnasplant) or host defence (immunocomprimised, pregnancy)

Question 4

What are complicated UTIs a risk factor for?

Answer 4

Of note CAUTI are MOST common cause of secondary bloodstream infections

Question 5

What is the most common bacterial cause of UTIs?

Answer 5

E. coli

Question 6

What is the rule of thumb for the gram staining of bacteria?

Answer 6

Wet bacteria -> negative
Dry bacteria -> positive

Hint: rain is negative

Question 7

What gram satinging is E.Coli?

Answer 7

Gram negative

Question 8

What do UTI causing bacteria use to attach themselves to the walls of the urinary tract?

Answer 8

Pili

Question 9

Regarding UTIs what does bacterial pili do?

Answer 9

Allows them to adhere to the urinary tract walls so they don’t get peed out

Question 10

What are some bacterial viralance factors for UTIs?

Answer 10

Question 11

What are some host defences against UTIs?

Answer 11