Obesity Surgery

, 17:1340

Comparison of Anterior Gastric Wall and Greater Gastric Curvature Invaginations for Weight Loss in Rats

  • Pedro E. B. Fusco
  • Renato S. Poggetti
  • Riad N. Younes
  • Belchor Fontes
  • Dario Birolini
Article
  • 87 Downloads

Background

Many bariatric endoscopic or surgical procedures performed today reduce gastric capacity and/or induce an early sensation of gastric satiety, alone or in combination with a distal enteric intervention. A form of prosthetic wrap of the folded stomach was used in the past for treating obesity with a high rate of prosthesis-related reintervention. Nissen gastric fundoplication used in the treatment of gastroesophageal reflux disease induces a small but significant weight loss without gastric stapling, partitioning, or prosthesis-related morbidity. We recently reported greater gastric curvature invagination without stapling, partitioning or prosthesis use, for weight loss in rats.We now compare anterior gastric wall and greater gastric curvature invaginations for weight loss. The anterior invagination would be technically easier, should it be tested in humans.

Methods

20 rats were randomized in 2 groups. The anterior gastric wall of 10 rats was invaginated in the first group (AGW). The greater gastric curvature of 10 rats was invaginated in the second group (GGC). All animals were weighed weekly for 4 weeks. They were then autopsied on the 28th day.

Results

The mean body weight of the GGC group became statistically less than the AGW group at 21 days. The mean weight of the peritesticular fat pad and the mean gastric volume were not statistically different at 28 days (autopsy).

Conclusion

Greater gastric curvature invagination significantly reduces body weight compared to anterior gastric wall invagination at 21 days.

Key words

Surgical technique bariatric surgery fundoplication morbid obesity 

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Copyright information

© Springer Science + Business Media B.V. 2007

Authors and Affiliations

  • Pedro E. B. Fusco
    • 1
    • 2
  • Renato S. Poggetti
    • 1
  • Riad N. Younes
    • 1
  • Belchor Fontes
    • 1
  • Dario Birolini
    • 1
  1. 1.Department of SurgeryUniversity of São Paulo Medical SchoolSão PauloBrazil
  2. 2.São PauloBrazil

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