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Transgastric natural-orifice transluminal endoscopic surgery peritoneoscopy in humans: a pilot study in efficacy and gastrotomy site selection by using a hybrid technique.

Abstract：

BACKGROUND:Diagnostic natural-orifice transluminal endoscopic surgery (NOTES) peritoneoscopy can easily be performed with standard endoscopic equipment in animal studies. The efficacy and optimal transgastric site for NOTES access in humans, however, has not been determined. OBJECTIVE:To characterize the efficacy of various anterior gastric access locations for diagnostic transgastric NOTES peritoneoscopy in humans. DESIGN:Prospective clinical study. SETTING:Tertiary-care center with experience in NOTES peritoneoscopy. PATIENTS:Patients undergoing planned laparoscopic gastrectomy or gastrotomy involving the anterior aspect of the stomach were eligible. INTERVENTIONS:An anterior gastric site for NOTES gastrotomy was chosen and transgastric NOTES access was independently established after laparoscopic abdominal exploration. Peritoneoscopy was then performed. The site of gastrotomy was closed as part of the intended laparoscopic procedure. MAIN OUTCOME MEASURES:The ability to visualize the abdominal and pelvic organs in all four quadrants was determined. Patients were evaluated postoperatively for complications. RESULTS:Eight patients requiring 9 procedures were studied. Gastrotomy sites were classified as body (n = 3), lesser curvature (n = 3), greater curvature (n = 1), fundus (n = 1), and antrum (n = 1). Satisfactory navigation could only be performed to the right upper and both lower quadrants. The left upper quadrant, specifically the spleen, was adequately visualized in only 1 case (11%), where the gastrotomy site was at the greater curvature. One patient developed a surgical site infection requiring oral antibiotic therapy. The median postoperative stay was 2 days (range, 0-3 days). LIMITATIONS:Small number of patients. CONCLUSION:NOTES peritoneoscopy with a gastrotomy on the anterior stomach permits adequate visualization of organs in the right upper and both lower quadrants. Visualization of the left upper quadrant and spleen is, however, limited unless access is gained on the greater curvature of the stomach. The accuracy of NOTES in identifying intra-abdominal pathology compared with laparoscopy remains to be determined.

journal_name

Gastrointest Endosc

journal_title

Gastrointestinal endoscopy

authors

Nikfarjam M,McGee MF,Trunzo JA,Onders RP,Pearl JP,Poulose BK,Chak A,Ponsky JL,Marks JM

doi

10.1016/j.gie.2010.03.1070

subject

Has Abstract

pub_date

2010-08-01 00:00:00

pages

279-83

issue

eissn

0016-5107

issn

1097-6779

pii

S0016-5107(10)01369-6

journal_volume

pub_type

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Transgastric natural-orifice transluminal endoscopic surgery peritoneoscopy in humans: a pilot study in efficacy and gastrotomy site selection by using a hybrid technique.