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Related Experiment Video

Updated: Apr 25, 2026

Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis
03:57

Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis

Published on: July 8, 2025

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Stentless laparoscopic pyeloplasty: A single center experience.

Abdul Rouf Khawaja1, Tanveer Iqbal Dar1, Farzana Bashir1

  • 1Department of Urology, Sir Ganga Ram Hospital, New Delhi, India.

Urology Annals
|August 16, 2014
PubMed
Summary

Laparoscopic stentless pyeloplasty is an effective treatment for ureteropelvic junction obstruction (UPJO), comparable to stented procedures. This method avoids stent-related complications and is cost-effective, though further randomized studies are recommended.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Pediatric Surgery

Background:

  • Congenital ureteropelvic junction obstruction (UPJO) is a common cause of pediatric kidney obstruction.
  • Traditional pyeloplasty often involves stent placement, which can lead to complications.
  • Laparoscopic techniques offer potential benefits in terms of recovery and morbidity.

Purpose of the Study:

  • To compare the effectiveness of laparoscopic stentless pyeloplasty versus stented pyeloplasty for UPJO.
  • To evaluate perioperative and postoperative outcomes, including complications and renal function.

Main Methods:

  • Prospective comparative study of 35 patients with primary UPJO over 5 years.
  • Patients divided into two groups: stentless (18) and stented (17).
Keywords:
Laparoscopicpyeloplastystentlessureteropelvic junction obstruction

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Last Updated: Apr 25, 2026

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  • Transperitoneal laparoscopic Anderson-Hynes pyeloplasty performed on all patients; outcomes analyzed using SPSS and Pearson chi-square test.

    • Main Results:

    • Both groups showed significant improvement in differential renal function (DRF) post-operatively.
    • Operative time, catheter duration, and drain removal time were comparable between groups.
    • Stentless pyeloplasty group experienced significantly fewer lower urinary tract symptoms and hematuria.

    Conclusions:

    • Laparoscopic stentless pyeloplasty is as effective as stented pyeloplasty for UPJO in experienced hands.
    • Stentless approach is cost-effective and reduces stent-related morbidity without compromising success.
    • Further randomized trials are needed to confirm the safety of stentless pyeloplasty.