Renal And UTI Flashcards
What is the recommended urine collection method but what is practically often done?
Clean catch is recommended
Nappy pads often used
How often should nappy pads be changed when collecting for urine sample?
Every 30 mins
What does an ‘infection’ result on urine MCS mean in terms of organisms present?
More than 10^5 of a single organism present in sample
What does ‘contamination’ of a sample indicate for urine MCS in terms of organisms present?
Less than 10^5 of one organism or multiple organisms
What are 3 factors which might lead to urinary stasis and act as risk factors for paediatric UTI?
Renal calculi
Obstructive uropathy/nephropathy
VUR (incl FH)
2 male factors which contribute to poor urine flow and so can act as risk factors for paediatric UTI?
Phimosis
Posterior urethral valve
According to NICE, a fever over 38 degrees plus bacteruria should be considered what until proven otherwise?
Pyelonephritis
According to NICE, a low grade fever plus loin pain plus bacteruria should be considered what until proven otherwise?
Pyelonephritis
What investigation is used to investigate the presence of renal scarring?
DMSA scan
What investigation is used to assess the presence of VUR?
MCG
Up to what age can an MCG be used practically?
1 year
After how long post-infection should you wait until doing a DMSA scan?
4-6 months
What is the first line investigation for renal abnormalities? What can it show?
Renal USS - stones, hydronephrosis, cysts, obvious structural abnormalities
What is a STING procedure?
Cystoscopic use of polysaccharide injection into vesico-ureteric junction to reduce degree of VUR
How is urine microscopy used in diagnosis of UTI?
Can be used to directly visualise organisms and quantify degree of infection
