ch 76 Flashcards

1
Q

What are the characteristic inflammatory syndromes that result from bacteria invading tissues of the urinary tract

A

Urethritis
Cystitis
pyelonephritis
prostatitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cystitis and urethritis are considered ______ tract infections

A

lower

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

pyelonephritis is considered an __________ tract infection

A

upper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A UTI associated with a predisposing factor such as calculi, prostatic hypertrophy, indwelling catheter or urinary obstruction are considered (men or women)

A

complicated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Uncomplicated UTIs occur primarily in who?

A

women of childbearing age and are not associated with any predisposing factors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

antibiotic classes to treat UTIs

A
sulfonamides
tirmethoprim
prnicillins
aminoglycosides
carbapenems
cephalosporins
fluoroquinolones
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

2 urinary tract antiseptics

A

nitrofurantoin

methenamine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

More than 80% of uncomplicated UTIs are caused by what bacteria

A

E.coli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are other potential UTI causes that are gram neg bacilli

A
Klebsiella pneumoniae
Enterobacter
Proteus
Providencia
Pseudomonas species
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is one gram positive cocci that account for 10-15% of community associated infections

A

stapylococcus saprophyticus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Hospital associated UTIS are frequently caused by

A
Klebsiella
proteus
enterbacter 
pseudomonas species
staphylococci
enterococci
E.coli is is responsible for less than 50% of HA UTIS
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

clinical manifestations of acute cystitis

A
dysuria
urgency
frequency
suprapubic discomfort
pyuria
bacteriuria
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

for community associated acute cystitis, what 3 types of oral therapy can be employed?

A

1) single dose therapy
2) short-course therapy (3 days)
3) conventional therapy (7 days)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what treatment therapy is recommended for uncomplicated, community associated infections in women that are not pregnant and whose symptoms began less than 7 days before starting treatment?

A

single-dose and short course - short course is preferred because it is more effective

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

conventional therapy is indicated for all patients who do not meet the criteria for short-course therapy who include

A

males
children
pregnant women
women with suspected Upper tract involvement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

for uncomplicated cystitis what are your drugs of choice

A

trimethoprim/sulfamethoxazole

Nitrofurantoin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

In communities where resistance to the drugs of choice (>20%) what is your next line of treatment for uncomplicated cystitis?

A

fluoroquinolones (ciprofloxacin)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what is the one dose treatment for Uncomplicated cystitis when compliance is a concern?

A

fosfomycin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

acute uncomplicated pyelonephritis is an infection of the

A

kidneys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

clinical manifestations of acute uncomplicated pyelonephritis

A
fever
chills
severe flank pain
dysuria
frequency
urgency
pyuria
bacteriuria
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

treatment of mild to moderate uncomplicated pyelonephritis

A

treated at home with oral abx
fluroquinolones
trimethoprim/sulfamethoxazole

22
Q

treatment of severe pyelonephritis

A
hospitalization
IV ABX
options include
ciprofloxacin
ceftriaxone
ceftazidime
ampicillin plus gentamycin
ampicillin/subactam

after you have gained control with IV abx
switch to oral abx within 24 -48 hours

23
Q

complicated UTIs occur in

A

males and females who have a structural or functional abnormality of the urinary tract that predisposes them to developing infection

24
Q

duration of treatment for a complicated UTI

A
7 days (cystitis)
14 days (pyelonephritis or with systemic involvement)
25
what is caused by recolonization with the same organism responsible for the initial infection
relapse
26
what is caused by recolonization with a new organism
reinfection
27
more than 80% of recurrent UTIs in female are due to
reinfection
28
when reinfections are frequent (3+ per year) long term _______may be indicated
prophylaxis
29
what meds are used for prophylaxis
trimethoprim (100mg) nitrofurantoin (50 or 100 mg) trimethoprim/sulfamethoxazole (40mg/200mg)
30
prophylaxis should continue for at least
6 months
31
what can you do if reinfection is r/t intercourse
void after intercourse | single dose prophylaxis of trimethoprim/sulfamethoxazole 80mg/400mg) taken after intercourse
32
acute bacterial prostatitis
inflammation of the prostate caused by local bacterial infection
33
clinical manifestations of acute bacterial prostatitis
``` high fever chills malaise myalgia localized pain various urinary tract symptoms ```
34
for severe infection of acute bacterial prostatitis with E coli causing acute bacterial prostatitis
start with an iv agent (a fluoroquinalone (ie)ciprofloxacine) followed by 2-4 weeks with an oral agent (either doxycycline or a fluoroquinolone)
35
treatment for severe infection of acute bacterial prostatitis with vancomycin - sensitive E faecalis
start with iv ampicillin/sulbactam | followed by 2-4 weeks with oral amoxicillin, levofloxacin or doxycycline
36
what is the first choice drug for uncomplicated cystitis?
Nitrofurantoin
37
what are the trade names for Nitrofurantoin
Furandantin Macrodantin Macrobid
38
Nitrofurantoin (Macrobid) is active against a large number of what type of bacteria
gram-positive gram negative ``` staphylococci streptococci Neisseria Bacteroides strains of E coli ```
39
what organisms are frequently resistant to Macrobid
Proteus Pseudomonas enterobacter klebsiella
40
therapeutic use for Nitrofurantoin (Macrobid)
infections of the lower urinary tract prophylaxis of recurrent lower UTI not recommended for infections of upper UTI
41
adverse effects of Macrobid
anorexia n/v/d ``` dyspnea chest pain chills fever cough ``` leukopenia hemolytic anemia - gpd6 and in newborns demyelination and nerve degeneration muscle weakness tingling severe liver injury - manifests as hepatitic necrosis cholestatic jaundice
42
how do you minimize GI upset with macrobid
take with food or milk
43
macrobid and newborns
contraindicated
44
macrobid in preganant women
contraindicated
45
antimicrobial spectrum of methenamine (Hiprex, Urex)
virtually all bacteria are susceptible to this med, virtually no resistance
46
Methenamine (Hiprex, Urex) is used for
chronic infection of the Lower urinary tract
47
Uncomplicated acute cystitis allergic to sulfa or nitro or renal dysfunction allergic to beta lactam antibiotics or known resistance
Fluoroquinolone | Ciprofloxacin or Levofloxacin
48
Uncomplicated acute cystitis allergic to sulfa or nitro or renal dysfunction No allergy to beta lactam abx or known resistance
Augmentin Cephalexin seeing community resistance now
49
what do you treat infants with uti
ampicillin and gentamycin
50
can you give nitrofurantoin in infants
not less than 1 month