ПЕДИАТРИЯ АМАЛИЁТИДА НЕФРОЛИТИАЗНИ ЖАРРОҲЛИК ЙЎЛИ БИЛАН ДАВОЛАШНИ ОПТИМАЛЛАШТИРИШ

Abstract

Introduction: In pediatric urology, controlling laser power during lithotripsy is a key factor in preventing intraoperative injury to the renal parenchyma.

Objective: To conduct a comparative evaluation of the efficacy of an individualized laser power selection method based on stone density (Hounsfield Units) in patients undergoing Mini-Percutaneous Nephrolithotomy (Mini-PCNL).

Methods: Clinical data from 132 patients treated between 2020 and 2026 were analyzed retrospectively and prospectively. Participants were divided into two groups: in the primary group (Group A, n=68), laser parameters were determined based on a specific algorithm using MSCT-densitometry results; in the control group (Group B, n=64), conventional empirical settings were used.

Results: In Group A, where the individualized algorithm was applied, the duration of surgery was reduced by 21% compared to Group B (42.5 \pm 8.4 minutes vs. 58.2 \pm 12.1 minutes; p < 0.001). The Stone-Free Rate (SFR) in the primary group reached 97.6%. Furthermore, the decrease in hemoglobin levels and the incidence of postoperative hyperthermia were significantly lower in Group A than in the control group.

Conclusion: Optimizing laser energy according to the MSCT-density of the stone not only reduces surgical time but also minimizes the risk of complications. The findings of this study are consistent with international research results (Yadav et al., 2022).