Bilateral ureteropelvic junction obstruction: Factors guiding management
Journal Title: Indian Journal of Child Health - Year 2018, Vol 5, Issue 11
Abstract
Background: The management of prenatally detected hydronephrosis due to bilateral ureteropelvic junction obstruction (UPJO) remains controversial. No definite recommendations exist regarding management, and many authors recommend unilateral or bilateral pyeloplasty. Objective: This study was conducted to evaluate the clinical outcome of patients with bilateral UPJO treated at a tertiary care hospital. Materials and Methods: This descriptive study was performed in the Department of Pediatric Surgery, Lucknow. All patients with prenatally diagnosed bilateral hydronephrosis and postnatal diagnosis of bilateral UPJO, who underwent initial unilateral pyeloplasty, were prospectively evaluated and were included in the study. The outcome of contralateral hydronephrosis was assessed as resolution or surgery. Results: A total of 16 patients underwent initial unilateral pyeloplasty and met the inclusion criteria (mean age: 2.6 months). Of all 16 patients, 12 (75%) had resolution and 4 (25%) patients required additional contralateral pyeloplasty during the follow-up. The mean follow-up period was 18 months (range 9–36 months) and the mean anteroposterior pelvic diameter and pelvis-to-cortex (P/C) were significantly different among the groups (p<0.01). Conclusion: Our findings suggest that in children with bilateral UPJO type of hydronephrosis, improvement or resolution of the contralateral renal unit can occur following initial unilateral pyeloplasty for the worse renal unit. In patients in whom both the renal units have similar split renal function and grades of hydronephrosis, pelvic AP diameter, cortical thickness, and P/C ratio can be used to determine the likelihood of contralateral delayed pyeloplasty.
Authors and Affiliations
Ankur Mandelia, Rajnikant Yadav, Navdeep Singh Dhoat
Keywords
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