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Anatomic landmarks and time management during retroperitoneoscopic radical nephrectomy.
Gyung Tak Sung1, Inderbir S Gill
1Section of Laparoscopic and Minimally Invasive Surgery, Urological Institute, The Cleveland Clinic Foundation, Ohio 44195, USA.
Journal of Endourology
|May 25, 2002
Summary
Retroperitoneoscopic radical nephrectomy is feasible with clear identification of anatomic landmarks. Defining these landmarks and operative steps can significantly reduce surgical time for this cancer treatment.
Area of Science:
- Urology
- Surgical Oncology
- Minimally Invasive Surgery
Background:
- Retroperitoneoscopy is not a preferred approach for laparoscopic radical nephrectomy due to poorly defined retroperitoneal landmarks.
- Objective data on anatomic landmarks and operative times are needed for retroperitoneoscopic radical nephrectomy.
Purpose of the Study:
- To provide prospective data on retroperitoneoscopic radical nephrectomy.
- To define key anatomic landmarks and analyze operative step times.
Main Methods:
- Prospective data collection in 18 retroperitoneoscopic radical nephrectomies.
- Utilized a uniform database to record intraoperative parameters.
- Documented visible anatomic landmarks and time for sequential operative steps.
Main Results:
- Identified key landmarks: psoas muscle (100%), Gerota's fascia (100%), peritoneal reflection (83%).
- Mean surgical time was 203 minutes; hilar dissection was the longest step (63 minutes).
- Visibility of four or more landmarks correlated with significantly shorter hilar dissection times (P < 0.001).
Conclusions:
- Adequate retroperitoneal space development and landmark identification are crucial for retroperitoneoscopy.
- Timed analysis of operative steps improves surgical technique and efficiency.
- Surgical times for retroperitoneoscopic radical nephrectomy decreased from 4-5 hours to 2-3 hours.