9-Step Magnetic Bariatric Revisional Surgery

  • STATUS
    Recruiting
  • End date
    May 31, 2027
  • participants needed
    500
  • sponsor
    Unidad Internacional de Cirugia Bariatrica y Metabolica
Updated on 4 October 2022
Accepts healthy volunteers

Summary

RYGB represents one of the best alternatives for weight loss in obese patients achieving a weight loss of up to 60% and a resolution of comorbidities of 70%. Revision surgery contemplates multiple techniques including the conversion from one surgical technique to another, structural changes to the primary technique, among others. GERD is now a long-term problem for patients who have undergone LGS. RYGB is one of the best techniques to resolve this problem.

Description

Roux-en-y gastric bypass is performed with the patient in the French position by a bariatric surgeon with 8 years of experience. A single port was placed in the umbilicus, an additional trocar (5mm) was placed in the right side of the abdomen. The surgery is started by performing the liver retraction with the grasper plus magnet attached to the border for the correct visualization of the surgical field. Later, the division of the major curvature of the omentum is started, and as it is performed in a superior direction, the magnet is positioned to retract the fundus and finishing exposing the esophageal hiatus where a hiatal hernia is visualized, which is decided to be repaired transoperatively. For the hiatoplasty, after placing a reference around the stomach, the magnet is positioned in that reference to retract the stomach and esophagus and to be able to suture the hernia defect. Then we proceed to perform the RYGB with the simplified technique, starting with the reference attached to the magnet but this time at the opposite end to start the resection of the lesser omentum, a minor step prior to the confection of the pouch. The pouch confection is done with 3 blue cartridges. Continuing with the procedure, the retraction of the transverse colon is performed with the use of the magnet to visualize the treitz angle and start the 60 cm measurement of the biliopancreatic limb. Later, gastrojejunal anastomosis is performed traditionally. Once this step is finished, the 100 cm alimentary limb is measured and then, the magnet-assisted jejunal anastomosis is performed. The Petersen defect and the intermesenteric defect is closed assisted by magnets. A methylene blue leak test is routinely performed, with negative results, this time testing both anastomoses. Finally, the magnet-assisted omega section is made with the retraction of the limb to finish the Roux-en-Y.

Details
Condition Bariatric Surgery Candidate, GERD, Revisional Bariatric Surgery
Treatment Magnetic Gastric Bypass, magnetic bariatric surgery
Clinical Study IdentifierNCT04945304
SponsorUnidad Internacional de Cirugia Bariatrica y Metabolica
Last Modified on4 October 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Older than 18 years
Candidate to bariatric surgery
Obesity
BMI Greater than 30 kg/m2

Exclusion Criteria

Uncontrolled co-morbidities
patients with pacemakers, defibrillators, or other electromedical implants
Abnormal coagulation blood tests
Patients with hepatic diseases
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