CEVL for Healthcare

Background of SFU

  • In the 1980's, a new patient type appeared: healthly infants presenting for follow-up of prenatal hydronephrosis.

  • These cases required new standards to guide clinical decisions on whether to perform surgery or not.

  • The Society for Fetal Urology (SFU) responded with the SFU hydronephrosis grading method to guide such decisions.

SFU Grading Fundamentals

  • Two kidneys

  • No urological surgery

  • Obstruction affecting one kidney

  • No significant reflux in the affected unit

Reason to SFU Grade

  • The SFU Grade correlates with stasis and percent differential function (%df) as measured on "Well-Tempered Renogram" (WTR). See FAQ for details on stasis.

SFU
Grade
Likelihood of
Obstruction
Clinical
Significance
0, 1, 2
Unlikely
WTR Scan not needed
3
Likely
%df is preserved
4
Likely
%df is reduced

Key Message

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