W3L1 UTI Flashcards
1
Q
Host defense mechanisms?
A
A- Preventing bacteria from colonizing vagina
B- Eliminating bacteria that enter the bladder
C- Urine
2
Q
Definition UTI?
A
- Presence >105 CFU/ml urine with/out symptoms
- Inflammatory response of urothelium to organism invasion leading to symptoms
3
Q
Classification Bacteriuria & Pyuria?
A
- Bacteriuria
- Symptomatic
- Asymp - Pyuria
- Sterile
- Infection
4
Q
Etiology?
A
- Causative organism
- Bacterial: E coli (80%)
- fungal: candida alb
- Protozoal: T vaginalis
- parasitic: Bilharziasis Oxyuris - Route of inf
- Asc-bl-lymph-others
3. Predis Factor A.General: - DM - Immune compromized patients - Chronic debilitating diseases B. Local: - Stones - Indwelling catheters - VUR - Obstruction
5
Q
Classification UTI
A
- Uncomplicated UTI:
- Episode UTI in otherwise healthy individual
- No predisposing factors
- No functional/structural abnormalities
- Occasional lower UTI in women - Complicated UTI:
- All other UTIs.
- Factors predicting :- RF, DM, Tx
- Obstructive uropathy
- Perioperative
- Radiation/chemical injury
6
Q
Nonspecific UTI?
A
- Urethritis
- Cystitis
- Pyelonephritis
- Epididymitis
- Epididymoorchitis
- Prostatitis
7
Q
ACUTE PYELONEPHRITIS Incidence?
A
- > females
- Childhood
- Puberty
- Soon after marriage
- pregnancy
- menopausal
8
Q
Clinical Features AP?
A
- Prodromal symptoms: Anorexia, headache, malaise
- Pain
- Fever
- Cystitis
- Tender loin
9
Q
Investigations AP?
A
- Pyuria
- Leukocytosis
10
Q
Management AP?
A
- Broad spectrum ab until
- Not very unwell:
- No need for hospitalization
- Ab: fluoroquinolone oral(10-14d)
- Symptomatic - Very ill patient
- Hospitalization.
- IV antibiotic:3rd gen cephalosporin IV/IM(10-14d)
11
Q
Causes CHRONIC PYELONEPHRITIS?
A
- Recurrent attacks of acute pyelonephritis
- VUR
- Stone disease
- Previous surger
12
Q
Pathology CP?
A
- Interstial inflammation & scarring renal parenchyma.
- Tubules atrophy
- THEN glomeruli (fibrosis & hyaline change)
13
Q
Clinical Features CP?
A
- Constitutional symptoms: Anorexia, headache, malaise - Pain: Dull aching - Fever: Low grade in attacks - Cystitis - HTN - Anemia
14
Q
Management CP?
A
- Ttt causes (stones)
- Chronic suppresive therapy
- Nephrectomy
15
Q
CP/Inv PERINEPHRIC ABSCESS?
A
- Loin pain & tenderness
- Attacks high grade fever
- Oblitrated posas shadow(KUB)
- US & CT(diagnostic)
16
Q
Management PA?
A
- Unilocular: PCTD
- Multilocular: open drainage
17
Q
Incidence/ PF/ Organism CYSTITIS?
A
- >females (25%) PF: - Incomplete empty bladder(BPH, stricture) - Foregin body(stone, tumor) - Colonization perineal skin(E.coli) - Estrogen deficiency
18
Q
CP/Inv Cyst?
A
- Urinary frequency (earliest symptom) - Painful micturition
- Pyuria
- Hematuria
- Suprapubic tenderness
- Urine analysis / C&S
19
Q
DD Cy
A
- Acute urethritis
- Acute vaginitis
20
Q
Management Cy
A
- General & symptomatic: Increase fluid intake
- Simple urinary antiseptics/Antimicrob
- If persistent symptoms: investigate for predisposing factors
21
Q
Classification PROSTATITIS?
A
- Acute bacterial prostatitis (ABP)
- Chronic bacterial prostatitis (CBP)
- Chronic pelvic pain syndrome (CPPS)
A: inflammatory B: non inflammatory - Asymptomatic inflammatory prostatitis (histological prostatitis)
22
Q
CP/Inv ABP?
A
- Fever & rigors
- LUTS
- Pain (SP, perineal, genital)
- DRE: Tender prostate boggy swelling if abcess is present
- Culture organism(diagnostic)
23
Q
Management ABP?
A
- General & symptomatic: Increase fluid intake/ Antipyretic/ Bed rest
- Specific: Ab >=1m(IV till acute phase subside)
- Drainage of the abscess if present
24
Q
CP/Inv CBP?
A
- Recurrent UTI.
- Asymptomatic between episode
- Intermittent low grade fever
- DRE: normal/slightly enlarged
tender prostate/not indurate, nodular - Prostatic massage: pus cells & bacteria in prostatic fluid
25
Management CBP?
- Specific: Ab >= 3m according to C&S
- Fluoroquinolones(choice)
- Consider prophylaxis
26
CHRONIC NON BACTERIAL PROSTATITIS
```
▪AE unknown.
▪Symptoms (pain and LUTS)
▪>3 months
▪Wax and wane with time
▪No bacterial infection.
```
27
ASYMPTOMATIC INFLAMMATORY PROSTATITIS
▪Asymptomatic
▪Detected only in histology
▪No treatment except surgical procedure is needed
28
Etiology, Route of infection and predisposing factors Acute Epidiymo-
orchitis?
```
▪Ascending infection( most common)
▪Hematogenous ( mumps)
▪UTI
▪Instrumentation.
▪Prostate or bladder surgery.
▪ST
```
29
CP/Inv AEO
```
▪General: FHMA
▪Pain
▪LUTS
▪Tender scrotal swelling
▪Urine analysis/ C&S
▪Scrotal US & doppler
```
30
Management AEO?
1. General:
- Bed rest
- Local: lead subacetate fomentations testicular elevation
- Systemic: analgesic & antipyretic
2. Specific:
- STD: ( Gono&Non Gono-Coccal)
- Ceftriaxone IM
- Doxycycline(100mgx2 daily)
- Azathioprine(14d)
- Non STD:
- well: oral quinolone
- un well: IV ab(1m)