Application of robot-assisted single-port laparoscopic pyeloplasty in children with ureteropelvic junction obstruction

doi:10.3877/cma.j.issn.1674-3253.2026.03.007

Abstract

Abstract:

Objective

To explore the application value of robot-assisted single-port laparoscopic pyeloplasty (RSLP) in the treatment of ureteropelvic junction obstruction (UPJO) in children and to preliminarily summarize experiences with RSLP in the treatment of UPJO.

Methods

The clinical data of children (≤14 years old) who underwent RSLP at our center from February 2024 to April 2025 were collected, and the efficacy of RSLP in the treatment of UPJO was analyzed.

Results

A total of 17 children (11 on the left side, 6 on the right side) were included, and all surgeries were successfully completed without conversion to open surgery or intraoperative complications. The median age of the children was 4.0(2.5, 64.0) months, the operation time was (186±43) min, the anastomosis time of the renal pelvis and ureter was (73±20) min, the median hospital stay was 6(3, 10) d, the median postoperative hospital stay was 2(1, 3) d, and the median follow-up was 8(3, 9) months. One child (5.8%) returned to the hospital for debridement due to poor wound healing and recovered well after surgery. The hydronephrosis grade, anteroposterior diameter of the renal pelvis, and renal parenchyma thickness of children were significantly improved after surgery.

Conclusion

RSLP is safe and effective for the treatment of UPJO in children.

Key words: Robot-assisted single-port laparoscopic, Pyeloplasty, Pediatric, Ureteropelvic junction obstruction

Ziqin He, Juntao Li, Yifei Zhang, Chutian Xiao, Yangjie Zhao, Wenwen Zhong, Lei Ye, Jianguang Qiu, Dejuan Wang. Application of robot-assisted single-port laparoscopic pyeloplasty in children with ureteropelvic junction obstruction[J]. Chinese Journal of Endourology(Electronic Edition), 2026, 20(03): 279-284.

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References 28

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组别	SFU分级(例)					肾盂前后径[mm，(±s)]	肾实质厚度[mm，(±s)]
组别	0	1	2	3	4	肾盂前后径[mm，(±s)]	肾实质厚度[mm，(±s)]
术前	0	0	0	5	12	31±10	4.9±2.9
术后	1	4	2	8	2	13±8	7.8±2.7
统计值	Z=-4.536					t=5.141	t=-4.487
P值	<0.001					<0.001	<0.001

组别	SFU分级(例)					肾盂前后径[mm，(±s)]	肾实质厚度[mm，(±s)]
组别	0	1	2	3	4	肾盂前后径[mm，(±s)]	肾实质厚度[mm，(±s)]
术前	0	0	0	5	12	31±10	4.9±2.9
术后	1	4	2	8	2	13±8	7.8±2.7
统计值	Z=-4.536					t=5.141	t=-4.487
P值	<0.001					<0.001	<0.001

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