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Related Experiment Videos

Retroperitoneoscopic pyeloplasty: using reconstructive methods based on intraoperative findings.

Gen Kawa1, Motohiro Tatsumi, Yoshihito Hiura

  • 1Department of Urology and Andrology, Kansai Medical University, Moriguchi city, Osaka, Japan. kawag@takii.kmu.ac.jp

International Journal of Urology : Official Journal of the Japanese Urological Association
|September 21, 2006
PubMed
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Laparoscopic retroperitoneal surgery effectively treats ureteropelvic junction obstruction with minimal invasiveness. Observation without a ureteral stent aids in selecting the best pyeloplasty technique for improved outcomes.

Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Surgical Techniques

Background:

  • Reconstructive laparoscopic procedures offer less invasive alternatives to open surgery.
  • Laparoscopic pyeloplasty is accepted, but data on the retroperitoneal approach is limited.

Purpose of the Study:

  • To evaluate the effectiveness and safety of laparoscopic surgery via the retroperitoneal approach for ureteropelvic junction obstruction.
  • To highlight the importance of laparoscopic observation without a ureteral stent for precise anatomical assessment.

Main Methods:

  • Retrospective analysis of 28 patients (13 male, 15 female) undergoing laparoscopic retroperitoneal surgery for ureteropelvic junction obstruction (1998-2004).
  • Repair methods were determined intraoperatively based on ureteropelvic junction and vessel relationships.

Related Experiment Videos

  • Ureteral stents were removed preoperatively to facilitate visualization of aberrant renal vessels.

    • Main Results:

    • Aberrant renal vessels were identified in 46% of patients.
    • Dismembered pyeloplasty (21), Y-V plasty (5), and Hellstrom technique (2) were performed successfully without open conversion.
    • Mean operative time was 272 minutes, mean blood loss was 44 mL; one patient experienced postoperative urinary tract infection, and obstruction resolved in all but one patient.

    Conclusions:

    • Laparoscopic retroperitoneal surgery is a safe and less invasive option for ureteropelvic junction obstruction.
    • Preoperative laparoscopic observation without a ureteral stent aids in selecting the optimal pyeloplasty technique.