Abstract
We read the manuscript of Nordenström et al. [1] with great interest since we have studied too, infants and children with ureteropelvic junction obstruction (UPJO) before and after pyeloplasty [2]. The authors present a retrospective study of 85 children treated with dismembered pyeloplasty for UPJO who were followed up as per a structured protocol including ultrasounds and renal scans (MAG-3) pre-operatively and postoperatively [1]. They conclude that the majority of children had preserved or improved function after surgery for UPJO and that high anteroposterior diameter of the renal pelvis (APD), antenatal diagnosis, and low pre-operative differential renal function (DRF) were independent predictive factors of an improvement in renal function after pyeloplasty [1].
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