Conversion and reliability of two urological grading systems in infants: the Society for Fetal Urology and the urinary tract dilatation classifications system

Han, Miran; Kim, Hyun Gi; Lee, Jung-Dong; Park, Seon-Young; Sur, Young Keun

doi:10.1007/s00247-016-3721-9

Cited by 22 publications

(12 citation statements)

References 23 publications

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“…Han et al . evaluated the reliability of the UTD and SFU grading system for postpartum urinary dilatation in infants [ 19 ]. As a result, they said that the UTD system had a better agreement between the observers.…”

Section: Discussionmentioning

confidence: 99%

Comparison of Urinary Tract Dilatation and Society of Fetal Urology systems in the detection of vesicourethral reflux and renal scar

et al. 2021

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IntroductionThe presence and degree of hydronephrosis is very important in the management of many diseases of the urinary tract. In this study, we aim to compare the sensitivity and specificity of 2 classification systems that are used for hydronephrosis grading in ultrasound, for reflux and scar detection. The classification systems were the Society of Fetal Urology (SFU) and Urinary Tract Dilatation (UTD).Material and methodsUltrasounds and dimercaptosuccinic acid scintigraphies (DMSA) of all patients who underwent voiding cystourethrogram (VCUG) due to urinary tract infection were examined retrospectively. DMSA was accepted for scar detection and VCUG for reflux detection as reference methods. SFU classification was used for hydronephrosis in ultrasound reports, and UTD classification was made over the reports. Sensitivity, specificity, and positive and negative predictive values of UTD and SFU classification systems for reflux and scar detection were calculated, and these 2 systems were compared.Results103 (39%) of the patients were male and 162 (61%) were female. Pathologies were detected in 192 (35%) of 530 kidneys in ultrasound. In 110 (42%) of the children, reflux was detected in VCUG. Scars in DMSA were detected in only 16% (44) of 266 kidneys. Sensitivity, positive and negative predictive values of the UTD classification system were statistically significantly higher than the SFU system for scar and reflux detection (p < 0.01).ConclusionsIf we use the UTD system in ultrasounds of patients with urinary tract infections, children reported as UTD 0 may not need VCUG, which reduces radiation exposure to children and the cost of the diagnostic interventions.

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Section: Discussionmentioning

confidence: 99%

Comparison of Urinary Tract Dilatation and Society of Fetal Urology systems in the detection of vesicourethral reflux and renal scar

et al. 2021

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“…The SFU grading system is similar to other scoring systems for hydronephrosis, such as the urinary tract dilation classification system. 24 A multidisciplinary panel of 9 members was convened to reach consensus on the lowest threshold of abnormalities that should be deemed important to identify at the time of first febrile UTI. The investigative team anchored each threshold to a clinical meaning to assist the panel.…”

Section: Discussionmentioning

confidence: 99%

Clinical Predictors for Abnormal Renal Bladder Ultrasound in Hospitalized Young Children With a First Febrile Urinary Tract Infection

Wallace¹,

Ban²,

Singh³

et al. 2020

Hospital Pediatrics

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BACKGROUND:Physicians often obtain a routine renal bladder ultrasound (RBUS) for young children with a first febrile urinary tract infection (UTI). However, few children are diagnosed with serious anatomic anomalies, and opportunity may exist to take a focused approach to ultrasonography. We aimed to identify characteristics of the child, prenatal ultrasound (PNUS), and illness that could be used to predict an abnormal RBUS and measure the impact of RBUS on management. METHODS:We conducted a single-center prospective cohort study of hospitalized children 0 to 24 months of age with a first febrile UTI from October 1, 2016, to December 23, 2018. Independent variables included characteristics of the child, PNUS, and illness. The primary outcome, abnormal RBUS, was defined through consensus of a multidisciplinary team on the severity of ultrasound findings important to identify during a first UTI. RESULTS:A total of 211 children were included; the median age was 1.0 month (interquartile range 0-2), and 55% were uncircumcised boys. All mothers had a PNUS with 10% being abnormal. Escherichia coli was the pathogen in 85% of UTIs, 20% (n 5 39 of 197) had bacteremia, and 7% required intensive care. Abnormal RBUS was found in 36% (n 5 76 of 211) of children; of these, 47% (n 5 36 of 76) had moderately severe findings and 53% (n 5 40 of 76) had severe findings. No significant difference in clinical characteristics was seen among children with and without an abnormal RBUS. One child had Foley catheter placement, and 33% received voiding cystourethrograms, 15% antibiotic prophylaxis, and 16% subspecialty referrals. CONCLUSIONS:No clinical predictors were identified to support a focused approach to RBUS examinations. Future studies should investigate the optimal timing for RBUS.

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“…Renal pelvis AP diameter is the only quantitative criteria in UTD classification. However, other studies have shown that AP diameter does not make any significant predictive impact in terms of prognosis compared to other parameters (40,41). A comparison of UTD and SFU grading system for their ability to predict time to hydronephrosis resolution showed that cumulative resolution rate at 3 years was higher in SFU grades (43).…”

Section: Parameters Determining Poor Prognosis In Prenatal Upjhnmentioning

confidence: 90%

“…Both is proposed to be used regardless of etiology of hydronephrosis. Several studies have shown that inter-observer reliability of UTD classification is superior to SFU classification ( 41 , 42 ). The use of other urinary system ultrasound parameters (kidney echogenicity, ureter dilation, ureterocele, oligohydramnios) in UTD classification increases its reliability.…”

Section: Parameters Determining Poor Prognosis In Prenatal Upjhnmentioning

confidence: 99%

Prenatal Diagnosis and Findings in Ureteropelvic Junction Type Hydronephrosis

Has

Sivrikoz

2020

Front. Pediatr.

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Conversion and reliability of two urological grading systems in infants: the Society for Fetal Urology and the urinary tract dilatation classifications system

Cited by 22 publications

References 23 publications

Comparison of Urinary Tract Dilatation and Society of Fetal Urology systems in the detection of vesicourethral reflux and renal scar

Comparison of Urinary Tract Dilatation and Society of Fetal Urology systems in the detection of vesicourethral reflux and renal scar

Clinical Predictors for Abnormal Renal Bladder Ultrasound in Hospitalized Young Children With a First Febrile Urinary Tract Infection

Prenatal Diagnosis and Findings in Ureteropelvic Junction Type Hydronephrosis

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