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Recommended imaging schedule for infants younger than 6 months

Authoring team

 

Test

Responds well to treatment within 48 hours

Atypical UTI*

Recurrent UTI*

Ultrasound during the acute infection

No

Yes***

Yes

Ultrasound within 6 weeks

Yes**

No

No

DMSA 4-6 months following the acute infection

No

Yes

Yes

MCUG

No

Yes

Yes

  • *
    • atypical UTI includes:
      • seriously ill
      • poor urine flow
      • abdominal or bladder mass
      • raised creatinine
      • septicaemia
      • failure to respond to treatment with suitable antibiotics within 48 hours
      • infection with non-E. coli organisms

    • recurrent UTI:
      • two or more episodes of UTI with acute pyelonephritis/upper urinary tract infection, or
      • one episode of UTI with acute pyelonephritis/upper urinary tract infection plus one or more episode of UTI with cystitis/lower urinary tract infection, or
      • three or more episodes of UTI with cystitis/lower urinary tract infection
  • **
    • if abnormal consider MCUG
  • ***
    • in an infant or child with a non-E. coli-UTI, responding well to antibiotics and with no other features of atypical infection, the ultrasound can be requested on a non-urgent basis to take place within 6 weeks

Reference

  1. NICE. Urinary tract infection in under 16s: diagnosis and management. NICE guideline NG224. Published July 2022

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