Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.26/2323
Título: Third-generation nephrectomy by natural orifice transluminal endoscopic surgery
Autor: Lima, E
Rolanda, C
Pêgo, JM
Henriques-Coelho, T
Silva, D
Osório, L
Moreira, I
Carvalho, JL
Correia-Pinto, J
Palavras-chave: Animais
Cirurgia Endoscópica Transluminal por Orifícios Naturais
Data: 2007
Editora: Elsevier
Citação: J Urol. 2007;178(6):2648-54.
Resumo: PURPOSE: Recently there has been increasing enthusiasm for performing simple abdominal procedures by transgastric surgery. We previously reported the usefulness of a combined transgastric and transvesical approach to cholecystectomy. In this study we assessed the feasibility of combined transgastric and transvesical approach for performing a more complex surgical procedure, such as nephrectomy, in a porcine model. MATERIALS AND METHODS: In a nonsurvival study combined transgastric and transvesical approaches were established in 6 female pigs. Under ureteroscope guidance we installed a transvesical 5 mm over tube into the peritoneal cavity and a flexible gastroscope was passed orally into the peritoneal cavity by a gastrotomy. We performed right or left nephrectomy with instruments introduced by the 2 devices that worked in the renal hilum, alternating device intervention for dissection and retraction procedures. RESULTS: Four right and 2 left nephrectomies were performed. There were no complications during the creation of transvesical and transgastric access. In all animals we visualized the 2 kidneys. The renal vessels and ureter were reasonably individualized and ligated separately with ultrasonic scissors, which were introduced through the transvesical port. In 2 early cases mild hemorrhage occurred after ultrasonic ligation. To overcome this complication we applied clips successfully before ultrasonic ligation in the remaining animals. Thus, complete renal release and mobilization to the stomach were achieved in all animals. CONCLUSIONS: Nephrectomy by natural orifices using the combined transgastric and transvesical approach is technically feasible, although to our knowledge there is no reliable method for removing the specimen with current instruments.
Peer review: yes
URI: http://hdl.handle.net/10400.26/2323
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