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Melamine Poisoning Pediatric Urolithiasis Treatment in Gansu, China 5-Year Follow-up Analysis

Hong Chang1, Gongjin Wu1, Zhongjin Yue1

  • 1Department of Urology, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China; Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu Province, China; Department of Clinical Laboratory Center, The Second Clinical Medical College of Lanzhou University, Lanzhou, Gansu Province, China.

Urology
|July 15, 2017
PubMed

Insights

Melamine-induced urolithiasis in children can be treated effectively with conservative or surgical methods. A 5-year follow-up shows no significant medium-term risk for recurrent stone formation or renal issues with appropriate treatment.

Area of Science:

  • Pediatric Nephrology
  • Toxicology
  • Urology

Background:

  • Infant formula contamination with melamine can lead to urolithiasis.
  • Understanding the long-term effects of melamine-induced kidney stones in children is crucial.

Purpose of the Study:

  • To investigate the clinical characteristics of melamine-induced urolithiasis in children.
  • To evaluate the outcomes of different treatment modalities.
  • To report a 5-year follow-up analysis of these patients.

Main Methods:

  • Retrospective analysis of clinical data from 207 children with melamine-induced urolithiasis.
  • Patients were divided into conservative and surgical treatment groups.
  • A 5-year follow-up included ultrasonography, renal function tests, and urinalysis.

Main Results:

  • 149 patients (72.0%) received conservative treatment; 58 (28.0%) underwent surgery after conservative treatment failure.
  • Surgical intervention group showed significant differences in age, presentation, stone characteristics, renal function, and hospitalization time (P<.001).
  • The 5-year follow-up of 198 children revealed no significant differences in stone recurrence, renal function, or urinalysis between treatment groups.

Conclusions:

  • Appropriate treatment of melamine-induced urolithiasis in children eliminates medium-term risks of stone recurrence.
  • Longer-term follow-up is necessary to assess potential long-term toxic effects of melamine exposure.
Abstract

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