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Robotically assisted laparoscopic dismembered pyeloplasty: a chronic porcine study.
Bertrand Guillonneau1, John B W Rietbergen, G aëlle Fromont
1Department of Urology, Institut Mutualiste Montsouris, University Pierre & Marie Curie, Paris, France.
Urology
|May 9, 2003
Summary
Robotically assisted laparoscopic dismembered pyeloplasty is feasible in pigs, with no significant tissue damage observed. Further assessment is needed before clinical application of this robotic surgery technique.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Robotic Surgery
Background:
- Robotically assisted surgery offers potential benefits in complex procedures.
- Laparoscopic dismembered pyeloplasty is a standard treatment for ureteropelvic junction obstruction.
Purpose of the Study:
- To assess the feasibility and efficacy of robotically assisted laparoscopic dismembered pyeloplasty in an animal model.
- To investigate potential tissue damage and complications associated with robotic devices lacking tactile feedback.
Main Methods:
- The procedure was performed on 10 farm pigs.
- Post-operative evaluation included intravenous urography and histopathologic examination of resected kidney and ureter specimens after 1 month.
Main Results:
- All pigs survived the surgery without immediate complications.
- Anastomosis time decreased during the study, ranging from 30-40 minutes in later procedures.
- One animal developed mild hydronephrosis due to a foreign body granuloma causing ureteral obstruction; other animals showed no significant abnormalities.
Conclusions:
- Robotically assisted laparoscopic dismembered pyeloplasty is technically feasible with acceptable morbidity in this animal model.
- No significant histologic effects of robotic tissue handling were observed.
- Thorough assessment is required before widespread clinical adoption of this robotic technique.