Urology Flashcards
(155 cards)
Define an isolated UTI
Interval of >6 months between urinary infections
Define recurrent UTI
> 2 infections in 6 months
OR
> 3 infections within 12 months
Common causative organisms of UTIs
- Klebsiella
- E. Coli
- Enterococci
- Proteus
- Pseudomonas
- S. Saprophyticus
- Candida albicans (patients on long-term antibiotics)
- Cryptococcus (immunosuppressed patients)
- Schistoma (Middle Eastern countries)
- Mycobacterium TB
Risk factors for cystitis
- Urine stasis/outflow obstruction
- Foreign body e.g. stone, catheter, instrumentation
- Immunosuppression e.g. diabetes, malignancy
- Congenital lower urinary tract abnormalities
- Pregnancy
- Sex - males in infancy and after >40, female after puberty
- Smoking
- Menopause
Risk factors for pyelonephritis
- Urinary tract obstruction (congenital or acquired)
- Vesicoureteral reflux
- Foreign body e.g. stones, instrumentation, catheter
- Sexual intercourse
- Immunosuppression e.g. diabetes, HIV, lymphoma
Clinical features of cystitis
- Urgency
- Dysuria
- Frequency
- Polyuria
- Haematuria
- Supra-pubic pain
- Urethral burning
Clinical features of pyelonephritis
- Lower UTI symptoms (dysuria, urgency, frequency)
- Malaise
- Fever/chills
- Loin pain
- Nausea/vomiting
Which UTI patients require further investigation?
- Recurrent UTIs
- Frank haematuria
- Men with UTIs
- Children with UTIs
What investigations would you consider in a patient with UTIs?
- Urine dipstick
- Urine C&S
- Blood cultures
- Post-void residual volume scan
- Renal US
- Plain X-ray KUB
- Flexible cystoscopy
When is a urine dipstick indicated in a women with a suspected UTI?
- Women <65, otherwise healthy, <2 classic UTI symptoms or unclear diagnosis
Management of uncomplicated in a female patient
1) 3 days Trimethoprim PO
2) 3 days Nitrofurantoin PO
Management of cystitis in a male patient
1) 7 days Trimethoprim PO
2) 7 days Nitrofurantoin PO
Management of pyelonephritis
1) Gentamicin + Amoxicillin IV
2) Gentamicin + Vancomycin
Lifestyle advice/conservative management for a patient with a UTI
- Maintain high fluid intake
- Regular bladder emptying
- Avoid spermicides
- Drink cranberry juice
- Use oestrogen replacement
- Urinate after intercourse
- Wipe front to back
Contra-indications for nitrofurantoin
- Pyelonephritis
- eGFR<45
- In combination with alkalising agents
Complications of pyelonephritis
- Renal papillary necrosis
- Perinephric abscess
- Pyonephrosis
- Chronic pyelonephritis
- Fibrosis and scarring
Common pathogens causing Epididymitis/orchitis
Sexually active men <35:
- N. Gonorrhea
- C. Trachomatis
- Coliforms
Older men or children:
- E. Coli
Clinical features of orchitis/epididymitis
- Fever
- Testicular swelling
- Scrotal pain (may radiate to the groin)
- Scrotal erythema
- Reactive hydrocele
- Evidence of underlying infection e.g. urethral discharge, urethritis, cystitis, prostatitis
Main differential for orchitis/epididymitis
Testicular torsion - surgical exploration required if any uncertainty
What investigations would you consider in a patient with ?orchitis/epididymitis?
- Bloods - FBC, U&Es, CRP, blood cultures
- Urine dipstick and MSU
- Urethral swab
- Scrotal ultrasound
Management of a man <35 (or with suspected C. trichomatis) with orchitis/epididymitis
14 days BD Ofloxacin
Or
Single dose azithromycin
Management of a man >35 (or with suspected Gonorrhoea) with orchitis/epididymitis
14 days BD Ciprofloxacin
Common pathogens in prostatitis
Klebsiella E. Coli Enterococci Proteus Pseudomonas S. Saprophyticus
Clinical features of acute prostatitis
- Malaise
- Fever/rigors
- Difficulty passing urine
- Dysuria
- Perineal/rectal/lower back tenderness
- Haematuria