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Related Experiment Video

Updated: Aug 6, 2025

Robot-Assisted Radical Antegrade Modular Pancreatosplenectomy Including Resection and Reconstruction of the Spleno-Mesenteric Junction
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Robot-Assisted Retroperitoneoscopic Diamond Bypass Pyeloplasty.

Go Miyano1, Hisae Iida1, Yu Ebata1

  • 1Pediatric Surgery, Juntendo University Urayasu Hospital, Chiba, Japan.

Journal of Pediatric Surgery
|March 17, 2023
PubMed
Summary

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Characteristics and environmental susceptibility of first-pass meconium microbiota in neonates with congenital intestinal atresia.

Journal of pediatric surgery·2026
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Age-range-matched external validation of standard liver volume equations: Methodological re-evaluation of 13 regression models.

PloS one·2026
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Surgical paradox: Physiological activation and improved mood state during surgical work in pediatric surgeons.

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Corrigendum: A Retrospective Assessment of Soft Tissue Interposition during Redo Surgery for Postoperative Hypospadias Repair-Related Complications.

European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift fur Kinderchirurgie·2026
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First comparison of open, laparoscopic, and robot-assisted laparoscopic retroperitoneal pyeloplasty for pediatric ureteropelvic junction obstruction at a single institution.

Journal of pediatric surgery·2026

Robot-assisted retroperitoneoscopic diamond bypass pyeloplasty (R-RDBP) is a safe and effective treatment for ureteropelvic junction (UPJ) obstruction in children. The procedure resulted in improved drainage and reduced obstruction in all patients.

Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Pediatric Surgery

Background:

  • Ureteropelvic junction (UPJ) obstruction is a common cause of congenital hydronephrosis in children.
  • Traditional open pyeloplasty can be associated with significant morbidity.
  • Minimally invasive techniques, including robotic assistance, are increasingly being explored for UPJ obstruction repair.

Purpose of the Study:

  • To present the technique and outcomes of robot-assisted retroperitoneoscopic diamond bypass pyeloplasty (R-RDBP) for UPJ obstruction.
  • To evaluate the safety and efficacy of R-RDBP in a pediatric population.

Main Methods:

  • Five pediatric patients with UPJ obstruction underwent R-RDBP using the da Vinci Si system.
  • The procedure involved a retroperitoneal approach and a diamond-shaped anastomosis.
Keywords:
BypassHydronephrosisPyeloplastyRetroperitoneoscopicRobotUreteropelvic junction obstruction

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  • Suturing was performed both manually and robotically with absorbable monofilament sutures.

    • Main Results:

    • All five primary repairs were completed without perioperative complications.
    • Postoperative Society for Fetal Urology (SFU) grading improved significantly from a mean of 4.0 preoperatively to 1.6 at 3 months.
    • Diuretic renography normalized or showed delayed drainage in all patients postoperatively.

    Conclusions:

    • R-RDBP is a feasible and effective surgical option for pediatric UPJ obstruction.
    • The robotic approach enhances precision in suturing and maximizes anastomotic diameter, promoting smooth urine flow.
    • This technique prevents ureteral kinking and rotation, contributing to successful outcomes.