UTIs Flashcards

1
Q

urinary tract infection

A

bacterial colonization of lower urinary tract with characteristic clinical signs

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2
Q

cystitis

A

bladder inflammation

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3
Q

bacterial cystitis

A

bacterial bladder infection

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4
Q

subclinical bacteriuria

A

presence of bacteria in urine (positive urine culture) without clinical signs

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5
Q

is subclinical bacteriuria more common in cats or dogs

A

dogs - usually with concurrent comorbidities

RARE in cats

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6
Q

is subclinical bacteriuria commonly treated

A

no - usually no treated unless it is a urease producing bacteria, systemic disease, or azotemic

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7
Q

hematuria

A

blood in the urine

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8
Q

pollakiuria

A

small amounts of urine, frequently

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9
Q

dysuria

A

painful urinations

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10
Q

periuria

A

inappropriate urinations

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11
Q

stranguria

A

straining to urinate

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12
Q

polyuria

A

increased volume of urine

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13
Q

urinary incontinence

A

unconscious urine leaking (increased sense of urgency)

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14
Q

is systemic disease a sign of a UTI

A

NO - a sign of pyelonephritis or prostatitis

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15
Q

sporadic bacterial cystitis

A

three or less UTIs in one year

NO known urinary tract/systemic comorbidities

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16
Q

recurrent UTIs

A

greater than three UTIs in one year

often associated with comorbidities

can be reinfection or relapse

17
Q

reinfection vs relapse

A

reinfection: urinary tract was sterile then reinfected with NEW organisms

relapse: (persistent) urinary tract was NOT completely sterilized, recurs with the same organism

18
Q

are UTIs more common in dogs or cats

19
Q

what bacteria are dogs most susceptible to

A

E. coli
staphylococcus

20
Q

what do cats with lower urinary tract signs typically have

A

feline idiopathic cystitis (FIC)

21
Q

what are the physical exam findings of UTI

A

mostly normal - possibly thickened bladder, firm urethra, check prostate and vulva

22
Q

defense against UTIs: urine

A

antimicrobial properties - high osmolality, highly acidic (low pH)

23
Q

defense against UTIs: urethra

A

hydrokinetic washout

high pressure urination helps clear bacteria out from urethra

24
Q

defense against UTIs: bladder

A

hydrokinetic washout, bactericidal (immunoglobulins)

25
defense against UTIs: ureters
unidirectional flow and peristaltic waves ureters enter bladder at an angle
26
what can bacteria produce/what properties do bacteria have to promote UTIs
- urease - beta lactamase - flagella - fimbria - R-plasmids
27
urease
enzyme produced by certain pathogens that hydrolyzes urea to ammonia ammonia causes direct urothelial injury
28
uroepithelium
bladder lining made of umbrella cells on the surface with basal cells below bacteria hold on to umbrella cells, some can burrow down to basal layers to relapse
29
UTI on urinalysis
WBC (pyuria) + bacteriuria pyuria not always present bacteriuria > 1,000 RBC + proteinuria common but NOT indicative
30
susceptibility testing
identifies the type of bacteria in the urine and which antibiotics will work
31
minimum inhibitory concentration (MIC)
in vitro measure of inhibition of bacterial growth measures the least amount of antibiotic needed to inhibit 90% bacterial growth
32
where do most antibiotics concentrate
urine need normal GFR to be efficacious
33
treatment for sporadic UTIs
treat for 3-5 days amoxicillin, clavamox, trimethoprim-sulfa
34
treatment for recurrent UTIs
treat for 7-14 days AB depends on susceptibility testing NSAIDS while waiting for results
35
host predispositions to UTIs
- exposure to bacteria - micturition problems - anatomic predispositions - systemic disease
36
are UTIs common in horses
not as primary condition, usually secondary to something else usually E. coli
37
are UTIs common in cows
yes; commonly progresses to pyelonephritis E. coli
38
are UTIs common in rabbits
yes; does not commonly progress to pyelonephritis causes GI stasis syndrome E. coli, pasteurella
39