Haematuria Flashcards
What are some less significant causes of haematuria?
- Urinary tract infection
- Menstruation
- Vigorous exercise (this normally settles after around 3 days)
- Sexual intercourse
Spurious causes - red/orange urine, where blood is not present on dipstick
- foods: beetroot, rhubarb
- drugs: rifampicin, doxorubicin
What are some vauses of non-visble haematuria?
- Cancer (bladder, renal, prostate)
- Stones
- Benign prostatic hyperplasia
- Prostatitis
- Urethritis e.g. Chlamydia
- Renal causes: IgA nephropathy, thin basement membrane disease
What is the definition of persistent non-visible haematuria?
Blood being present in 2 out of 3 samples tested 2-3 weeks apart
What investigations should be done for haematuria?
- Renal function, albumin:creatinine (ACR) or protein:creatinine ratio (PCR) and blood pressure should also be checked
- Urine microscopy may be used but time to analysis significantly affects the number of red blood cells detected
When should someone be urgently referred for visible haematuria?
Visible haematuria
- Aged >= 45 years
- Unexplained without urinary tract infection
- Persists or recurs after successful treatment of urinary tract infection
When should someone have a non-urgent referral for haematuria?
- Aged >= 60 years with recurrent or persistent unexplained urinary tract infection
What patients should be managed in primary care?
Patients < 40 years with normal renal function, no proteinuria and who are normotensive.
When should someone be 2WW referred for microscopic haematuria?
Aged >= 60 years AND have unexplained nonvisible haematuria and either dysuria or a raised white cell count on a blood test