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Retroperitoneal laparoscopic extravascular stent placement for renal nutcracker syndrome: initial experience
Pu Li1, Pengfei Shao, Chao Qin
1Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
Urologia Internationalis
|March 1, 2014
Summary
Retroperitoneal laparoscopic extravascular stenting offers a safe and feasible treatment for renal nutcracker syndrome in adolescents. This minimally invasive approach effectively resolved gross hematuria in young patients, showing promising initial results.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Pediatric Nephrology
Background:
- Renal nutcracker syndrome, characterized by left renal vein compression, can cause significant morbidity, including hematuria.
- Traditional treatments have limitations, necessitating exploration of minimally invasive alternatives.
Observation:
- Two adolescent males (13 and 16 years) diagnosed with symptomatic renal nutcracker syndrome underwent retroperitoneal laparoscopic extravascular stent placement.
- Perioperative data, including operative time, blood loss, and hospital stay, were meticulously collected.
Findings:
- Both laparoscopic procedures were technically successful with minimal complications.
- Key outcomes included short operative times (50-65 min), acceptable blood loss (70-110 ml), and brief hospital stays (4-6 days).
- Significant symptom resolution, specifically gross hematuria, was observed within 3-6 days post-surgery, with normal findings at 10-18 months follow-up.
Implications:
- Retroperitoneal laparoscopic extravascular stenting presents a safe and viable therapeutic option for renal nutcracker syndrome, particularly in pediatric and adolescent populations.
- This technique demonstrates potential for effective symptom management and favorable outcomes in developing individuals.
- Further long-term studies are warranted to fully establish the durability and efficacy of this interventional approach.

