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Related Experiment Video

Updated: Jun 11, 2026

Technical Detail for Robot Assisted Pancreaticoduodenectomy
14:45

Technical Detail for Robot Assisted Pancreaticoduodenectomy

Published on: September 28, 2019

Preoperative Drainage Strategy in Robot-Assisted Adult Pyeloplasty.

Mahmoud Farzat1,2, Florian M Wagenlehner1

  • 1Department of Urology, Pediatric Urology and Andrology, Justus-Liebig University of Giessen, 35392 Giessen, Germany.

Archivos Espanoles De Urologia
|June 10, 2026
PubMed
Summary

Preoperative double-J ureter catheter (DJ) placement is safe for robot-assisted pyeloplasty, preventing complications. Percutaneous nephrostomy (PCN) is also a viable option, but blind DJ insertion should be avoided.

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Area of Science:

  • Urology
  • Surgical Oncology
  • Minimally Invasive Surgery

Background:

  • Ureteropelvic junction obstruction management involves controversial preoperative drainage strategies.
  • Robot-assisted pyeloplasty (RAPY) outcomes are influenced by these drainage methods.

Purpose of the Study:

  • To compare complication rates and outcomes of different preoperative urinary drainage methods in RAPY.
  • To evaluate the safety and efficacy of double-J ureter catheter (DJ) versus percutaneous nephrostomy (PCN) versus no drainage.

Main Methods:

  • Retrospective study of 45 patients undergoing RAPY (2020-2024).
  • Patients categorized into DJ (n=10), PCN (n=10), and no-drain (n=25) groups based on preoperative drainage.
  • Primary endpoint: 90-day postoperative complications; Secondary endpoints: console time, hospitalization, GFR improvement, readmission.
Keywords:
double-J catheternephrostomypreoperative drainagepyeloplasty

Related Experiment Videos

Last Updated: Jun 11, 2026

Technical Detail for Robot Assisted Pancreaticoduodenectomy
14:45

Technical Detail for Robot Assisted Pancreaticoduodenectomy

Published on: September 28, 2019

Main Results:

  • No complications in the DJ group; 30% in PCN and 32% in no-drain groups.
  • Five major complications occurred, four in the no-drain group (incisional hernia, hematoma).
  • Three patients required DJ catheter replacement postoperatively, all from the no-drain group; 6 patients readmitted (3 PCN, 3 no-drain).

Conclusions:

  • Short-term, X-ray-guided DJ catheter placement is a safe preoperative strategy for RAPY, preventing complications.
  • Percutaneous nephrostomy (PCN) is a reasonable alternative drainage method.
  • Prospective studies are necessary to confirm these findings regarding pyeloplasty preparation.