Contrast-enhanced ultrasound technique is used in percutaneous nephroscopic surgery in patients with nephrolithiasis in the collecting system of the undilated kidney
Chen Hairui
Li Shoupeng
Tian Jisong
Shen Donglai
Wang Wei
Luo Yukun
Li Qiuyang
Zhang Xu
Mai Haixing
Abstract：Objective:To compare contrast-enhanced ultrasound(CEUS)and conventional ultrasound-guided percutaneous nephrolithotomy(PCNL)in patients with non-dilated collecting system kidney stones,evaluate the ef-fectiveness,safety,and feasibility of CEUS-guided PCNL in the First Medical Center of PLA General Hospital.Methods:This study included 66 patients with no hydronephrosis or mild hydronephrosis who underwent PCNL,they were divided into CEUS-guided group(33 cases)and conventional ultrasound-guided group(33 cases)accord-ing to the different methods to establish channel.The first puncture success rate,puncture time,puncture times,channel establishment time,operation time,residual stone rate and postoperative complications were evaluated.SPSS 22.0 statistical software was used for statistical analysis.Results:Compared with the conventional ultrasound-guided group,the CEUS-guided group had a higher first puncture success rate(84.85% vs.63.64%,χ2=3.89,P=0.04),shorter puncture time[(51.18±18.47)s vs.(63.21±23.79)s,t=-2.29,P=0.03],and shorter operation time[(73.81±39.84)min vs.(113.44±51.99)min,t=-3.46,P<0.01],with statistically significant differences.The 1-month stone residue rate,the decrease of hemoglobin(Hb)and puncture times had no statistically significant differences(all P>0.05).Conclusion:CEUS-guided PCNL facilitates percutaneous nephrolithotomy in patients without hydronephrosis,leading to a higher success rate of single puncture,shorter puncture time,and reduced over-all surgery time.Future large-scale studies are needed to confirm its value for broader clinical application.
Keywords：contrast-enhanced ultrasoundpercutaneous nephroscopyfree artificial hydronephrosislaser lithotripsy
Publication Date：2024-08-05
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：8( 240-247 )