Endoscopic gastrojejunostomy with survival in a porcine model

Kantsevoy, Sergey V.; Niiyama, Hideaki; Chung, Sydney S.C.; Cotton, Peter B.; Gostout, Christopher J.; Hawes, Robert H.; Pasricha, Pankaj J.; Magee, Carolyn; Vaughn, Cheryl A.; Barlow, David E.; Shimonaka, Hideki; Kalloo, Anthony N.

doi:10.1016/s0016-5107(05)01565-8

Cited by 370 publications

(200 citation statements)

References 27 publications

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“…[11][12][13][14][15][16][17] In fact, there are several theoretical advantages to NOTES. 1) There are no abdominal incisions and, therefore, abdominal wound infections and incisional hernias are avoided, possibly resulting in less pain and certainly in a better cosmetic effect.…”

Section: Discussionmentioning

confidence: 99%

Third-Generation Nephrectomy by Natural Orifice Transluminal Endoscopic Surgery

et al. 2007

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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.

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Section: Discussionmentioning

confidence: 99%

Third-Generation Nephrectomy by Natural Orifice Transluminal Endoscopic Surgery

et al. 2007

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“…Several studies have since used the transgastric port for intraperitoneal abdominal procedures, such as fallopian tube ligation, cholecystectomy, gastrojejunostomy, lymphadenectomy, oophorectomy, partial hysterectomy, splenectomy, appendectomy, and diaphragmatic pacing [6][7][8][9][10][11][12][13][14][15]23]. Following the initial enthusiasm, however, abdominal procedures through isolated transgastric routes raised limitations that jeopardized application in humans.…”

Section: Experimental Studiesmentioning

confidence: 99%

“…These developments marked a new era in minimally invasive abdominal surgery, compelling novel, previously audacious goals, such as avoidance of incisions and pain. With the visceral wall no longer a barrier to endoscopic intervention, various authors described novel, complex abdominal procedures [6][7][8][9][10][11][12][13][14][15][16]. In 2006, such reports motivated researchers in this emerging field to organize the Natural Orifice Surgery Consortium for Assessment and Research (NOSCAR), a joint initiative supported by the American Society for Gastrointestinal Endoscopy (AGES) and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES).…”

Section: Introductionmentioning

confidence: 99%

Transvesical endoscopic peritoneoscopy: Intra-abdominal scarless surgery for urologic applications

Lima¹,

Rolanda²,

Correia‐Pinto

2008

Curr Urol Rep

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For many abdominal procedures, advantages such as minimal scarring, reduced pain, and faster recovery have made laparoscopy the favored approach over traditional open surgery. The most recent minimally invasive approach is natural orifice transluminal endoscopic surgery (NOTES), which limits morbidity because this surgery does not require incision. This article reviews the history, development, and current and future applications of NOTES in the field of urology.

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“…In 2004, Kalloo et al [1] described access to the peritoneal cavity through the transgastric port in a porcine model. Since then, several studies have been performed using transgastric access [2][3][4][5][6]. However, many limitations were described, particularly when singly performed by transgastric port.…”

Section: Introductionmentioning

confidence: 99%

Transvesical peritoneoscopy with rigid scope: feasibility study in human male cadaver

et al. 2010

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Background Transvesical port refers to the method of accessing the abdominal cavity through a natural orifice (i.e., urethra) under endoscopic visualization. Since its introduction in 2006, various reports have been published describing different surgical interventions using a rigid ureteroscope in a porcine model. The aim of this study was to test the access and feasibility of peritoneoscopy by using a rigid ureteroscope in a human male cadaver.Methods Two adult male cadavers were used to perform the procedures. A rigid ureteroscope was used for the creation of transvesical access into the peritoneal cavity. Peritoneoscopy, liver biopsy, and identification and manipulation of the ileocecal appendix were performed. Results Transvesical access into the peritoneal cavity was quickly established. The rigid ureteroscope easily allowed visualization of the abdominal cavity with good image quality. Liver biopsy and manipulation of ileocecal appendix were carried out without difficulties. Conclusions Peritoneoscopy, liver biopsy, and ileocecal appendix manipulation using a rigid ureteroscope through a transvesical port is feasible in a cadaver model. The development of a specific rigid scope for the transvesical port might herald a promising future for this NOTES access.

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Endoscopic gastrojejunostomy with survival in a porcine model

Cited by 370 publications

References 27 publications

Third-Generation Nephrectomy by Natural Orifice Transluminal Endoscopic Surgery

Third-Generation Nephrectomy by Natural Orifice Transluminal Endoscopic Surgery

Transvesical endoscopic peritoneoscopy: Intra-abdominal scarless surgery for urologic applications

Transvesical peritoneoscopy with rigid scope: feasibility study in human male cadaver

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