UTI’s Flashcards
UTI
Inflammation and infection involving the kidneys, ureters, bladder, and or urethra
UTI Causes
Lower UTIs: Cystitis, urethritis
Upper UTIs: Pyeloneprhitis, renal abscess
E. Coli is the most common causative agent
Signs/Symptoms of a lower UTI
**Dysuria is the key symptoms Frequency Nocturia Urgency Hematuria: occurs in 40-60% of patients
Lower UTI Lab/Diagnostics
UA:Usually shows Pyuria > 10 WBC
Presence of nitrate by dipstick is very specific but not a sensitive test for bacteriuria
Esterase detection by dipstick is very sensitive but not specific
Lower UTI Management
Uncomplicated
Macrobid 100 mg PO be ID times five days
Bactrim POB ID times three days (avoid if resistance is greater than 20%)
Fosfomycin 3 g PO times one
No flouroquinolones should be reserved for use in patients who have no alternative
Upper UTI Signs/Symptoms
Flank, low back, or abd pain may be present
Fever and chills often present and usually indicate upper UTI
N/V
Mental status changes in the elderly
Upper UTI Lab/Diagnostics
WBC casts seen on UA
ESR elevated with pyelonephritis
Upper UTI Management
Cipro 500mg PO BID x 7 days
Levofloxacin - OK but not moxifloxacin
Ceftriaxone 1 gm IV every 24 hours
No Bactrim ( high resistance) or macrobid ( does not reach therapeutic concentrations in the kidneys
Healthcare Associated Pyelonephritis Management
Use antipseudomonal agent other than flouroquinolone
Ampicillin and an aminoglycoside, cefepime, imipenem, meropenem, Zosyn