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. 2022 Feb;48(1):173-178.
doi: 10.1007/s00068-020-01430-0. Epub 2020 Jul 4.

Variation in management of pediatric post-traumatic urine leaks

Bethany J Farr  1 , Lindsey B Armstrong  2 , Samuel C Barnett  3 , David P Mooney  4   5
Affiliations

Variation in management of pediatric post-traumatic urine leaks

Bethany J Farr et al. Eur J Trauma Emerg Surg. 2022 Feb.

Abstract

Purpose: High-grade pediatric renal trauma may be associated with a urine leak and appropriate management remains unclear.

Method: Data on patients with a traumatic renal injury were retrieved from the trauma registry and data warehouse of a pediatric level 1 trauma center over a 15-year period. Demographics, diagnoses, imaging, interventions performed, and follow-up information on patients with a urine leak were analyzed.

Results: 187 renal injuries were identified and 32 (17%) were high grade. There were 21 (11%) diagnoses of urine leak, comprising the study population. Leaks were identified 0-10 day post-injury. All patients underwent initial computerized tomography (CT); however, 10 (48%) lacked excretory-phase imaging, leading to repeat CT. Ten patients (48%) did not undergo an intervention for their leak, and 11 (52%) underwent at least one, most commonly stent placement (10). Comparing non-intervention and intervention groups: Injury Severity Score (ISS) and initial Shock Index - Pediatric Adjusted (SIPA) were similar, but there was variation in antibiotic prophylaxis (60% vs 100%), average number of imaging studies performed (6.4 vs 8.1) and average length of hospital stay in days (7.7 vs 8.6).

Conclusion: Traumatic urine leaks are unusual, and half require no intervention. Management is variable and the development of care guidelines could decrease variation. Given their infrequency a multi-institutional study is required to generate sufficient patient volume.

Keywords: Blunt trauma; Collecting system injury; Renal injury; Urine extravasation; Urine leak.

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