Hydronephrosis

Article DOI10.1016/j.juro.2015.10.173
ObjectiveTo define sonographic markers for hydronephrotic kidneys that predict need for diuretic nuclear renography
AI ApproachSVM
Data Source(s)Institutional series (50 children)
Model Input131 parameters from 2D sonography: Size (size of collecting system, renal parenchyma), Geographic shape (circularity ratio eccentricity), Curvature descriptors (local curvature)
Model OutcomeT1/2 > 20 min
T1/2 > 30 min
T1/2 > 40 min
Model MetricsT1/2 > 20 min (AUROC = 0.98, accuracy = 96%)
T1/2 > 30 min (AUROC = 0.94, accuracy = 78%)
T1/2 > 40 min (AUROC = 0.94, accuracy = 78%)
Model UsabilityNA
AI = Artificial Intelligence, AUROC = Area-under-the-receiver-operator-characteristic, T1/2 = Half-time on drainage curve from diuretic renogram

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