Term
What does the K antigen of bacteria do? |
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Definition
inhibits phagocytosis by WBCs |
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Term
What characteristics of the urine make it antibacterial? |
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Definition
low pH, high osmolarity, high urea content |
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Term
How do Tamm-Horsfall proteins contribute to host defense of the UT? |
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Definition
bind bacteria and prevent adherence |
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Term
What age group has the greatest risk for UTI's? |
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Definition
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Term
What are the causitive pathogens of UTI's? |
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Definition
E coli, S saprophyticus, S aureus, pseudomonas, enterococci, yeast |
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Term
For what population group is asymptomatic bacteriuria a concern and why? |
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Definition
pregnant women because it is associated with premature labor |
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Term
complications of acute uncomplicated pyelonephritis |
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Definition
perinephric or intrarenal abscess, emphysematous pyelo, obstruction |
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Term
What population group is most likely to get emphysematous pyelonephritis as a complication of acute uncomplicated pyelo? |
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Definition
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Term
How does acute uncomplicated pyelo cause obstruction? |
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Definition
renal stones, stricture, papp necrosis |
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Term
Who gets a complicated UTI? |
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Definition
pregnant women, men, children, men/women w/structural or fxnl abnormalities of urinary tract: obstruction, ^ post-void residual, renal transplatation, DM, PKD, ileal-loop, immunosuppresion |
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Term
What results from a urine dipstick in a patient with a UTI? |
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Definition
leukocyte esterase, nitrites |
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Term
How do you treat acute uncomplicated cystitis? When do you treat for 7-14 days? |
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Definition
TMP/SMX, fluoroquinolone, amoxicillin, cephalosporin, nitrofuranton treat for 7-14 days if symptoms have been >7 days, recent UTI, pregnant, DM, or age >65 |
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Term
What is the duration of treatment for acute uncomplicated pyelo? |
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Definition
14 days, or 2-6 weeks for relapse |
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Term
How do you treat uncomplicated pyelo in inpatient v outpatient? |
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Definition
inpatient: fluoroquinolone, 3rd gen cephalosporin, penacillin, B lactam inhib outpatient: fluorquinolone, amoxicillin, cephalosporin |
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