• Pak J Med Sci · Nov 2023

    Application of Micro-Percutaneous Nephrolithotomy (Micro-PCNL) combined with FURL in 1-2 cm symptomatic, refractory lower calyceal stones.

    • Xiao-Qiang Shi, Tao Ma, Wentao Wang, Zhenyu Cui, Xin-Yao Li, and Ying Gao.
    • Xiao-qiang Shi, Department of Urology, Affiliated Hospital of Hebei University, Baoding 071000, Hebei, China.
    • Pak J Med Sci. 2023 Nov 1; 39 (6): 161116151611-1615.

    ObjectiveTo investigate the safety and efficacy of Micro-Percutaneous Nephrolithotomy (Micro-PCNL) combined with flexible ureteroscopic lithotomy (FURL) in the treatment of 1-2 cm symptomatic, refractory lower calyceal stones.MethodsA retrospective analysis was performed concerning the clinical data of 28 patients with 1-2 cm symptomatic, refractory lower calyceal stones. When there was a difficulty in performing FURL in Affiliated Hospital of Hebei University from January 2019 to February 2022, ultrasound-guided F4.8 visual puncture was performed on the lower calyceal stone,with a holmium laser was then used to treat the remaining stones, followed by drainage using a flexible ureteroscopic sheath and postoperative indwelling of the ureteral stent without a nephrostomy tube. The surgery time, intraoperative bleeding and stone-free rate(SFR) were recorded, and the VAS score was used to evaluate the patients' pain status.ResultsThe surgery was completed successfully in an average of 43.46 ± 10.04 minutes, and the puncture time was 3.46 ± 0.69 minutes. The SFR was 85.71%(24/28) and 92.86%(26/28) at one day and 30 days after surgery, respectively. Two patients with residual stones greater than 0.6 cm in size underwent extracorporeal shock wave lithotripsy four weeks after surgery. Patients were followed up for three months after surgery, and the SFR was revised to 96.43%(27/28). In addition, the VAS scores of all patients decreased significantly from before to after surgery, and the difference was statistically significant(p< 0.05).ConclusionMicro-Percutaneous Nephrolithotomy (Micro-PCNL) combined with FURL is safe and effective in the treatment of 1-2 cm symptomatic, refractory lower calyceal stones.Copyright: © Pakistan Journal of Medical Sciences.

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