The laparoscopic Roux en-Y gastric bypass (LRYGB) is performed worldwide and is considered by many the gold standard treatment for morbid obesity. However, the difficult access to the gastric remnant and duodenum represents intrinsic limitations. The functional laparoscopic gastric bypass with fundectomy and gastric remnant exploration (LRYGBfse) is a new technique described in attempt to overcome the limitations of the LRYGB. The purpose of this video was to demonstrate the LRYGBfse in a 48-year-old man with type II diabetes and hypertension.
Methods
An intraoperative video has been anonymized and edited to demonstrate the feasibility of LRYGBfse.
Results
The operation started with the opening of the gastrocolic ligament. Staying close to the gastric wall, the stomach is prepared up to the angle of His. After the placement of a 36-Fr orogastric probe, gastric fundectomy is completed in order to create a 30cc gastric pouch. A polytetrafluoroethylene banding (ePTFE) is placed at the gastro-gastric communication, 7cm below the cardia, and gently closed after bougie retraction. The bypass is completed by the creation of an antecolic Roux-en-Y 150cm alimentary and 150cm biliopancreatic limb.
Conclusion
The LRYGBfse is a feasible and safe technique. The possibility to endoscopically explore the excluded stomach with an easy access to the Vater’s papilla is a major advantage. Further studies are warranted to deeply explore and compare outcomes with the standard LRYGB.
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Introduction
The laparoscopic Roux en-Y gastric bypass (LRYGB) is performed worldwide and is considered by many the gold standard treatment because of its excellent results in term of weight loss, comorbid resolution, and quality of life improvement [1, 2]. However, the challenging diagnosis and treatment of developing diseases in the gastric remnant, duodenum, and common bile duct are limits [3]. The functional laparoscopic gastric bypass with fundectomy and gastric remnant exploration (LRYGBfse) is a relatively new technique introduced in attempt to overcome the limitations of the LRYGB with promising preliminary results [4].
Purpose
The purpose of this video was to demonstrate the fashioning of a LRYGBfse in a 48-year-old morbidly obese man (weight 147 kg; BMI 42.8 kg/m2) with hypertension and type II diabetes.
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Methods
An intraoperative video has been edited to demonstrate the feasibility of the LRYGBfse. Written informed consent was obtained from the patient.
Results
The operation started with the opening of the gastrocolic ligament. Staying close to the gastric wall, the stomach that is prepared up to the angle of His and care is taken to seal the short vessels and to free any posterior adhesions. The left pillar dissection is performed meticulously and its fibers need to be exposed. After the placement of a 36-Fr orogastric probe, the gastric fundectomy is completed with sequential Endo GIATM linear stapler firings (Medtronic, Minneapolis, MN, USA) in order to create a 30cc gastric pouch. A polytetrafluoroethylene banding (ePTFE) is placed at the gastro-gastric communication (7cm below the cardia) and gently closed after bougie retraction. The bypass is completed by the creation of an antecolic Roux-en-Y 150cm alimentary and 150cm biliopancreatic limb. The common channel is measured about 300cm. In case the common channel is shorter than 300cm, the alimentary limb is shortened. Linear side-to-side gastrojejunal and jejuno-ileal anastomosis (30-mm Endo GIA™) are fashioned. The Petersen’s defect is closed with absorbable sutures.
Discussion
The LRYGBfse has been described in attempt to overcome the limitations of the LRYGB with encouraging preliminary results [3, 4]. The creation of a gastro-gastric virtual communication is the result of a specific and well-calibrated surgical procedure. The ePTFE band gently closes the gastro-gastric communication, and the bolus is diverted through the alimentary limb with duodenal and jejunal functional exclusion. As documented by the postoperative gastrographin swallow study, the radiopaque bolus is rapidly diverted through the gastrojejunal anastomosis and the alimentary limb. The prompt arrival of bolus in the foregut and hindgut results in an increased glucagon-like peptide 1 (GLP-1) and peptide YY (PYY) secretion [5].
The resection of the gastric fundus is performed for hormonal, physiological, and technical reasons with a significantly reduced secretion of ghrelin and consequent effect on glucose homeostasis and appetite [6]. These findings suggest that the fundus resection with concomitant ghrelin suppression could be an effective adjunct in the treatment of type II diabetes [7].
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Notably, the passage of 9-mm and 13-mm endoscopes for diagnostic and therapeutic purposes is allowed towards the gastro-gastric communication by gentle pushing (Fig. 1) [4]. Systematic endoscopic exploration of the gastric remnant and duodenum are performed yearly during follow-up. Endoscopic retrograde cholangiopancreatography with sphincterotomy was necessary in two patients for symptomatic choledocholithiasis, and another patient was diagnosed with prepyloric cancer 15 months after the index procedure. The feasible exploration of the remnant remains a critical issue considering the increasing number of LRYGB performed each year worldwide in a population of young patients that will probably need a screening evaluation in the future [8, 9].
Fig. 1
The duodenum and the Vater’s papilla may be reached and explored with 9-mm and 13-mm endoscopes for diagnostic and therapeutic purposes
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Conclusion
The LRYGBfse is a new feasible and safe technique. The possibility to endoscopically explore the excluded stomach with an easy access to the Vater’s papilla is a major advantage. Further studies are warranted to deeply explore and compare outcomes with the standard LRYGB.
Declarations
Informed Consent
Written informed consent was obtained from the individual participant included in this video.
Conflict of Interest
The authors declare no competing interests.
Human and Animal Rights
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Publisher’s Note
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