Minimally invasive surgical procedures treated urinary calculi caused by melamine in infants / 中华泌尿外科杂志

ABSTRACT

Objective To report experience of minimally invasive surgery of urinary calculi caused by melamine in infants. Methods Retrospectively reviewed the treatments and outcomes of 36 cases with urinary calculi caused by melamine from November 2007 to October 2008. 13 girls and 23 boys aged 8 to 36 months after daily consumption for six month or more of milk products tainted with melamine. These infants underwent MPCNL, ureteroscopic lithotripsy and placement of ureteral stent, respectively. Results The operations were performed successfully in all patients. Five cases underwent MPCNL. Ureteroscopic lithotripsy were performed in fourteen cases. Seventeen cases were placed of ureteral stents. No major complications like hemorrhea, perforation and organic injury were noted. The postoperative hospital stays were 3 to 10 days. All cases were followed up for 1 to 12 months. Calculus had no recurrence. Hydronephrosis and hydroureterosis disappeared or lightened. Growth and development were normal. Conclusions Various kinds of minimally invasive surgical procedures is safe and effective treatments for urinary calculi caused by melamine in infants, applicable in calculi with urinary obstruction especially.