2023
Spontaneous vesicoureteral reflux resolution curves based on ureteral diameter ratio
Arlen A, Leong T, Kirsch A, Cooper C. Spontaneous vesicoureteral reflux resolution curves based on ureteral diameter ratio. Journal Of Pediatric Urology 2023, 19: 468.e1-468.e6. PMID: 37188603, DOI: 10.1016/j.jpurol.2023.04.028.Peer-Reviewed Original ResearchConceptsUreteral diameter ratioUrinary tract infectionPrimary vesicoureteral refluxVesicoureteral refluxSpontaneous resolutionRisk groupsBreakthrough febrile urinary tract infectionDistal ureteral diameter ratioFebrile urinary tract infectionLargest ureteral diameterObjective prognostic informationGrade of refluxHigh-risk patientsLow-risk patientsHigh-risk groupLow-risk groupLow-risk childrenVUR resolutionPrimary refluxProphylactic antibioticsVUR gradeConservative managementPersistent refluxRisk patientsTract infections
2017
Validation of the ureteral diameter ratio for predicting early spontaneous resolution of primary vesicoureteral reflux
Arlen AM, Kirsch AJ, Leong T, Cooper CS. Validation of the ureteral diameter ratio for predicting early spontaneous resolution of primary vesicoureteral reflux. Journal Of Pediatric Urology 2017, 13: 383.e1-383.e6. PMID: 28256423, DOI: 10.1016/j.jpurol.2017.01.012.Peer-Reviewed Original ResearchConceptsPrimary vesicoureteral refluxUreteral diameter ratioVesicoureteral refluxReflux gradeSpontaneous resolutionVUR gradeMultivariable modelUreteral diameterDistal ureteral diameter ratioGrade of VURLargest ureteral diameterPersistent vesicoureteral refluxVesicoureteral reflux gradeGrade of refluxImportant prognostic factorSpontaneous resolution rateValuable prognostic informationL3 vertebral bodyUnit increaseExternal validation studyHighest likelihood ratioVUR timingPersistent diseasePrimary outcomePrognostic factors
2016
Inter-rater reliability of distal ureteral diameter ratio compared to grade of VUR
Swanton A, Arlen A, Alexander S, Kieran K, Storm D, Cooper C. Inter-rater reliability of distal ureteral diameter ratio compared to grade of VUR. Journal Of Pediatric Urology 2016, 13: 207.e1-207.e5. PMID: 28089295, DOI: 10.1016/j.jpurol.2016.10.021.Peer-Reviewed Original ResearchConceptsUreteral diameter ratioDistal ureteral diameter ratioVesicoureteral refluxVUR gradeInter-rater reliabilityReflux gradePediatric urologistsGrade of VURGrading of VURLargest ureteral diameterHigh grade refluxImportant prognostic factorPrimary vesicoureteral refluxConfidence intervalsSignificant inter-rater variabilityGood inter-rater reliabilityPrognostic factorsClinical courseClinical outcomesPredictive factorsRenal unitsUreteral diameterInter-rater agreementSpontaneous resolutionBlinded fashion