UTIs Flashcards
undertreatment of UTIs can lead to
pyelonephritis
pathogenesis of UTIs - 3 ways
1- hematogenous - s. aureus bacteremia, candida
2- virulence factors - adhesins, fimbrae
3- ascending - e coli, enterobac
protective factors against asymptomatic bacteriuria
- high urea in urine
- low pH
- frequent micturition
majority of UTIs - what is their etiology EEK
- E coli
Entero bac - Klebsiella
voided urine with same strain of bacteria >10^5
pyuria - WBCs
Asymptomatic bacteriuria
If you have bacteria in the urine without clinical symptoms or consequences, and you are not pregnant THEN
DO NOT TREAT
When is screening for asymptomatic bacteriuria important
in pregnant women
urologic procedures
pregnant women have —- increased risk of developing what from asymptomatic bacteruiria
20-30x increased risk of pyelo
dysuria frequency urgency \+leukocyte esterase, nitrites bacteriuria
uncomplicated cystisis
2 treatment recommendations for uncomplicated cystisis
1- nitrofurantoin - 5 days
2- TMP-SMX - if local resistance < 20% - 3 days
2 alternative Abx that can be used to treat uncomplicated cystisis
CIPRO
AMOX-CLAV
Abx for acute uncomplicated pyelonephritis
- Cipro if e coli resistance < 10%
- TMP- SMX
7- 14 days
inpatient Abx for uncomplicated pyelo
= IV Fluoroquinolone = amp+ gentamicin 3rd gen ceph pip-tazo 14 days
signs and symptoms of catheter-associated UTI
- fever, rigors, chills,
- ## flank pain, acute hematuria