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Updated: Jul 12, 2025

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Single Port Donor Nephrectomy
Published on: March 12, 2011
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Single Port Robotic Pyeloplasty: early single-center experience
Francesco Ditonno1,2, Antonio Franco1,3, Celeste Manfredi1,4
1Department of Urology, Rush University Medical Center. Chicago, IL, USA.
Summary
Single port robot-assisted pyeloplasty (SP RAP) is a feasible and safe treatment for ureteropelvic junction obstruction (UPJO). This minimally invasive approach shows promising outcomes for patients requiring pyeloplasty.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Robotic Surgery
Background:
- Ureteropelvic junction obstruction (UPJO) is a common cause of hydronephrosis, particularly in pediatric patients.
- The standard treatment for UPJO has evolved towards minimally invasive pyeloplasty.
- Single port (SP) robot-assisted pyeloplasty (RAP) represents a novel approach to this condition.
Purpose of the Study:
- To evaluate the initial single-center experience with SP RAP for UPJO.
- To assess the feasibility and safety of the SP RAP technique.
- To explore the potential benefits of SP RAP in pyeloplasty.
Main Methods:
- The study involved 8 patients undergoing SP RAP between 2021 and 2023.
- The procedure utilized a periumbilical incision for SP system docking and robotic instrument deployment.
- Key surgical steps included ureter transection, spatulation, and anastomosis over a JJ stent.
Main Results:
- The median patient age was 23 years.
- Median operative time (OT) was 210.5 minutes, with a median estimated blood loss (EBL) of 50 mL.
- No postoperative complications were observed, and the median length of stay (LOS) was 31 hours.
Conclusions:
- SP RAP is a feasible and safe surgical option for UPJO.
- The technique demonstrated favorable intraoperative and postoperative outcomes.
- The SP platform shows potential for widespread application in pyeloplasty procedures.

