Cystitis, Pyelonephritis, IC & OAB Flashcards
When is a urine dispstick most accurate in predicting a UTI?
If sxs AND + for leukocyte esterase/ nitrate
Non-nitrate reducing organisms and frequent urination/ urine in bladder < 4 hrs can cause what?
False negative on urine dipstick
Vaginal contamination and trichomonas infection can cause what?
False positive on urine dipstick
Upper urinary tract infection is aka?
Pyelonephritis
Lower tract infection is aka?
Cystitis (also prostatitis, urethritis)
What is the majority cause of UTI’s?
Ascending bacterial infection (E. coli)
↓ urine flow is a RF for UTI. What 3 things can cause this?
Urine outflow obstruction, inadequate fluid intake, neurogenic bladder
Promotion of colonization is a RF for UTI. What 3 things can cause this?
Sexual activity, spermicide use, recent antimicrobial use
Facilitated ascent is a RF for UTI. What 2 things can cause this?
Catheterization, urinary/ fecal incontinence
Acute simple cystitis is confined to where? (although there may be an atypical presentation in elderly)
Bladder (lower urinary tract) (in non-pregnant individual)
What are the most common sxs of a UTI? (3)
Dysuria, urinary frequency, urgency
You note a normal PE and a UA with + leukocyte esterase & nitrates, microscopy w/ + pyuria, and bacteriuria. What should you be suspicious for?
UTI
The following are indications for what? Atypical presentation, suspect complicated UTI, recurring/ non-resolving sx, ABX resistance, special populations (pregnant, men, IMC, underlying urogenital abn)
Culture (routine cultures not usually needed for women w acute simple cystitis)
CFU of what for uropathogen is diagnostic for a UTI?
≥ 103 CFU
CFU of what for women with presence of UTI symptoms is considered positive?
>102 CFU
Typical tx for uncomplicated URI is what?
Urinary analgesic (Pyridium), limit to 2 day course
What abx should be used in the tx of a UTI?
Nitrofurantoin, Bactrim, Fosfomycin
What abx should be avoided in the tx of UTI if there is presence of early pyelonephritis?
Nitrofurantoin and Fosfomycin
What abx should be avoided in pregnancy for the treatment of a UTI?
Fluoroquinolones
Men with a UTI should be treated for longer duration of how long in order to r/o prostatitis?
7 days
Pts who are IMC should be treated for longer duration of how long for a UTI?
1-2 weeks
Pts with a UTI should experience relief in how long after initiation of abx treatment?
W/i 48 hrs
What ER precautions should be given to a pt with a UTI?
Signs of pyelonephritis (fever, chills, flank pain)
When should f/u urine cultures be taken in pts with a UTI?
Pregnant women
What type of UTI is an extension of infection beyond the bladder?
Acute complicated UTI
What is the term for infection of the kidney (upper urinary tract) usually from ascent of bacterial pathogen?
Pyelonephritis
What sxs will you see on a pt with pyelonephritis? (7)
Dysuria, fever, chills, fatigue, flank pain, CVAT, GI sx
What 3 tests will you order is you suspect a pt has pyelonephritis?
UA/culture, CBC, BMP
What will you see on UA/ culture of a pt with pyelonephritis?
WBC casts (also + leukocyte esterase, + nitrites, pyuria (≥ 10 leukocytes/mL), bacteriuria)
What is the imaging of choice for a pt with pyelonephritis?
CT A/P w/ & w/o contrast