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Updated: Aug 6, 2026
03:57
Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis
Published on: July 8, 2025
[Laparoscopic pyeloplasty for ureteropelvic junction obstruction]
Kohei Yamaguchi1, Kazushi Tanaka, Yuzo Nakano
1Division of Urology, Kobe University Graduate School of Medicine, Kobe, Japan.
Nihon Hinyokika Gakkai Zasshi. the Japanese Journal of Urology
|August 11, 2006
Summary
Laparoscopic pyeloplasty offers a safe and effective treatment for ureteropelvic junction (UPJ) obstruction, with symptoms resolving in all patients. This minimally invasive approach shows promising outcomes for UPJ obstruction management.
Area of Science:
- Urology
- Minimally Invasive Surgery
Context:
- Ureteropelvic junction (UPJ) obstruction is a common cause of hydronephrosis.
- Traditional open pyeloplasty can involve significant morbidity.
Purpose:
- To evaluate the clinical outcomes of laparoscopic pyeloplasty in patients with UPJ obstruction.
Summary:
- Eleven patients with UPJ obstruction underwent laparoscopic pyeloplasty. The mean operative time was 312 minutes with minimal blood loss. All patients experienced symptom resolution without recurrence at an 18-month follow-up. Pyelonephritis was the sole complication, managed with antibiotics.
- Various techniques including Anderson-Hynes dismembered pyeloplasty, Hellström technique, and Fenger plasty were employed. Concomitant procedures like nephropexy and isthmusectomy were performed when indicated.
Impact:
- Laparoscopic pyeloplasty demonstrates favorable outcomes comparable to open surgery.
- This minimally invasive technique may become a standard treatment for UPJ obstruction, requiring careful consideration of patient selection and surgical approach.
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