[Melamine related urinary calculus and acute renal failure in infants]

Ning Sun1, Ying Shen, Qiang Sun

  • 1Division of Urology, Department of Pediatric Surgery, Beijing Children's Hospital Affiliated to Capital Medical University, Beijing 100045, China. ying_116sh@sohu.com

Insights

Melamine-contaminated formula caused urinary stones and acute kidney injury in infants. Prompt treatment, including dialysis or medication, is crucial for recovery, with satisfactory short-term outcomes.

Area of Science:

  • Pediatric Nephrology
  • Toxicology
  • Public Health

Context:

  • Infants fed with melamine-tainted formula milk in 2008 developed urinary calculus and acute renal failure.
  • This study analyzed data from affected infants admitted to two major children's hospitals.

Purpose:

  • To summarize the clinical characteristics, diagnosis, and treatment of infants with urinary calculus and acute renal failure secondary to melamine-contaminated formula.
  • To evaluate the effectiveness of different therapeutic approaches.

Summary:

  • 34 infants presented with urinary calculus and acute renal failure, with elevated blood urea nitrogen and creatinine levels.
  • Calculus analysis revealed melamine and uric acid. Four treatment types showed no significant difference in normalizing creatinine.
  • Renal failure resolved within 1-7 days for all affected infants.

Impact:

  • Melamine-tainted formula is a significant risk factor for pediatric urinary calculus and obstructive acute renal failure.
  • Highlights the importance of prompt management including dialysis or medication for electrolyte imbalances and timely obstruction relief.
  • Short-term prognosis for affected infants is generally favorable with appropriate medical and surgical interventions.
Abstract

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