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Retroperitoneal-assisted laparoscopic pyeloplasty in children: initial experience
Walid Farhat1, Kourosh Afshar, Frank Papanikolaou
1Division of Urology, The Hospital for Sick Children, University of Toronto, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada. walid.farhat@sickkids.ca
Journal of Endourology
|January 22, 2005
Summary
Retroperitoneal-assisted laparoscopic pyeloplasty (RALP) offers a novel approach for ureteropelvic junction obstruction. This minimally invasive technique demonstrated successful outcomes with shorter hospital stays and effective pain management in a pilot study.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Laparoscopic Surgery
Background:
- Ureteropelvic junction (UPJ) obstruction is a common congenital anomaly requiring surgical correction.
- Traditional open pyeloplasty can be associated with significant morbidity.
- Laparoscopic techniques offer potential advantages in reducing patient recovery time and pain.
Purpose of the Study:
- To present a novel application of laparoscopy for the correction of UPJ obstruction.
- To describe the technique of retroperitoneal-assisted laparoscopic pyeloplasty (RALP).
Main Methods:
- RALP involves creating a retroperitoneal space for dissection and reconstruction of the UPJ.
- The UPJ is exteriorized through a trocar site for ex vivo pyeloplasty.
- Eleven patients underwent RALP between July 2002 and March 2003, with outcomes assessed via operative time, hospital stay, pain management, and follow-up imaging.
Main Results:
- RALP was successfully performed in 9 out of 11 patients; 2 required conversion to open surgery due to inadequate UPJ mobilization.
- Average operative time was 160 minutes, with an average hospital stay of 2 days.
- Postoperative imaging showed improvement in hydronephrosis in all but one patient, and furosemide renal scans confirmed no obstruction at 3-6 months follow-up.
Conclusions:
- RALP is a viable technique for UPJ obstruction, particularly for surgeons seeking to enhance laparoscopic reconstructive skills.
- It provides an alternative approach for technically challenging pyeloplasties in experienced laparoscopic surgeons.
- The technique facilitates ex vivo reconstruction with improved visualization and dexterity.