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Health and Medical News - Urology & Nephrology
Sunday, 06 April 2008



UroToday.com - Dr. Lima from Porto, Portugal presented the novel concept of "natural orifices translumenal endoscopic surgery" (NOTES) as practical to nephrectomy in an experimental model. Their team assessed the feasibility of a combined transgastric and transvesical approach for performing nephrectomy in a porcine model.

In a non-survival study, a transgastric and transvesical combined approach was practical in 6 female pigs. Under ureteroscopic control, they located a transvesical 5-mm over tube into the peritoneal cavity, and a flexible gastroscope was passed orally into the peritoneal cavity by a gastrotomy. Four right and 2 left nephrectomies were performed using instruments introduced by both devices. The pigs suffered no difficulties during creation of transvesical and transgastric access. In all animals, they visualized both kidneys, and the renal vessels and ureter were identified and ligated separately with ultrasonic scissors, which were introduced through the transvesical port. In 2 early cases, mild bleeding happened after ultrasonic ligation. Complete renal release and mobilization to the stomach was achieved in all animals. During the discussion, it became apparent that none of the "resected" kidneys were removed from the porcine bodies, and this would require some sort of incision.

Presented by: E. Lima, MD, et al, at the European Association of Urology - 23rd Annual EAU Congress - March 26 - 29, 2008 - Milan, Italy

Reported by UroToday.com Contributing Editor, Christopher P. Evans, MD

UroToday - the only urology website with original content written by global urology key idea leaders actively engaged in clinical practice.

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