Objective:In view of the increasing incidence of urolithiasis(especially renal calculi)in children,the purpose of this study is to compare the difference of surgical efficacy between mini-percutaneous nephrolithotomy(mini-PCNL)and retrograde intrarenal surgery(RIRS),so as to provide clinical experience for minimally invasive surgical treatment of renal calculi in children.Methods:Combined with the summary of previous minimally inva-sive surgical techniques in children with renal calculi,the perioperative data of 8 cases of mini-PCNL and 5 cases of RIRS were analyzed retrospectively from January 2015 to January 2023,and the surgical effects were compared and analyzed.Results:The first-stage stone removal rate of mini-PCNL(87.5％)was higher than that of RIRS group(60.0％),but the blood loss of mini-PCNL group(37.9 mL)was slightly more than that of RIRS group(17.1 mL).There was no significant difference in the preoperative maximum diameter,age or sex of children.The recovery of renal function was similar between the two groups after operation,and no complications were found.Conclusion:The effect of one-stage stone removal rate of mini-PCNL is more significant than that of RIRS,but RIRS can also be considered for single renal calculus with low stone load.
childrenkidney stonepercutaneous nephrolithotomyretrograde intrarenal surgery
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