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ArticleInternational urology and nephrology2026

Initial experience with combined laparoscopic pyeloplasty with adjunct flexible ureteroscopy for management of ureteropelvic junction obstruction with renal calyceal stones in children: a retrospective study.

Tengfei Lu, Pin Li, Bojian Li, Lifei Ma, Tian Tao, Xiaoguang Zhou, Huixia Zhou, Dehong Liu

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Article in International urology and nephrology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Tengfei Lu *Department of Pediatric Surgery, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 197, Ruijin Er Road, Huangpu District, Shanghai, 200025, People's Republic of China.
Pin Li *Department of Pediatric Urology, The Seventh Medical Center of PLA General Hospital, Beijing, 100700, People's Republic of China.
Bojian LiDepartment of Pediatric Surgery, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 197, Ruijin Er Road, Huangpu District, Shanghai, 200025, People's Republic of China.
Lifei MaDepartment of Pediatric Urology, The Seventh Medical Center of PLA General Hospital, Beijing, 100700, People's Republic of China.
Tian TaoDepartment of Pediatric Urology, The Seventh Medical Center of PLA General Hospital, Beijing, 100700, People's Republic of China.
Xiaoguang ZhouDepartment of Pediatric Urology, The Seventh Medical Center of PLA General Hospital, Beijing, 100700, People's Republic of China.
Huixia ZhouDepartment of Pediatric Urology, The Seventh Medical Center of PLA General Hospital, Beijing, 100700, People's Republic of China. Huixia99999@163.com.
Dehong LiuDepartment of Pediatric Surgery, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 197, Ruijin Er Road, Huangpu District, Shanghai, 200025, People's Republic of China. dehongliu@hotmail.com.

Funding

the Capital's Funds for Health Improvement 2022-2-5083
6 · The paper itself

Abstract

backgroundSelecting an appropriate procedure to simultaneously treat patients with concomitant ureteropelvic junction obstruction (UPJO) and renal stones in children remains a challenge. The aim of this retrospective study was to investigate the safety and feasibility of laparoscopy pyeloplasty with adjunct flexible ureteroscopy (FURS) for treating children with UPJO and renal calyceal stones.

methods38 children with UPJO and renal calyceal stones who underwent laparoscopy pyeloplasty with adjunct FURS between January 2013 and December 2022 at our institution were retrospectively reviewed. All the patients were preoperatively diagnosed and followed up based on clinical presentation, urine analysis, ultrasonography, intravenous pyelography, magnetic resonance urography, and diuretic renography using a Tc-99m mercaptoacetyltriglycine scan. Preoperative clinical data and outcomes were analyzed for the initial experience of laparoscopy pyeloplasty with adjunct FURS in children.

resultsThis study included 26 males and 12 females, with 17 patients having UPJO in the left kidney and 21 in the right kidney. The age range was from 3 to 10 years, with a mean age of 5.3 years. All procedures were successful without conversion to open surgery. The mean procedure time was 138.1 min (119-163 min), the mean time to drain removal was 2.3 ± 0.9 days (1 to 4 days), the mean time to commencement of oral feeding was 1.4 ± 0.5 days (1 to 2 days), and the mean duration of hospitalization was 7.5 ± 1.8 days (6 to 11 days). Ultrasonography and magnetic resonance urography revealed that, for all patients, the renal pelvis anteroposterior diameter regressed, the thickness of the renal parenchyma increased, and no residual fragments were observed. Diuretic renograms showed T

conclusionLaparoscopy pyeloplasty with adjunct FURS is feasible and safe for the treatment of pediatric patients with UPJO and renal calyceal stones.

Indexed as

Kidney CalculiKidney PelvisLaparoscopyUreteral ObstructionUreteroscopyChildChild, PreschoolFeasibility StudiesFemaleHumansKidney CalicesMaleRetrospective StudiesCalyceal stonesDiagnosisFlexible ureteroscopyLaparoscopyUreteropelvic junction obstruction

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