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Obesity Surgery

, Volume 29, Issue 1, pp 48–53 | Cite as

Conversions After Sleeve Gastrectomy for Weight Regain: to Single and Double Anastomosis Duodenal Switch and Gastric Bypass at a Single Institution

  • Rena C. Moon
  • Aura Sofia Fuentes
  • Andre F. Teixeira
  • Muhammad A. JawadEmail author
Original Contributions
  • 158 Downloads

Abstract

Background

With the increase in popularity of laparoscopic sleeve gastrectomy (LSG), the number of patients experiencing weight regain has increased as well. This study aims to demonstrate the outcomes of LSG conversions to Roux-en-Y gastric bypass (RYGB), double anastomosis duodenal switch (DS), and single anastomosis duodeno-ileal sleeve (SADI-S) due to weight regain.

Methods

A retrospective chart review was performed on 21 patients who underwent a conversion of LSG due to weight regain between March 1, 2013, and April 30, 2017. A longitudinal analysis was performed for the body mass index (BMI) measures, using multilevel model for change.

Results

Of 21 patients, 6 underwent a conversion to RYGB, 9 underwent a conversion to SADI-S, and 6 underwent a conversion to double anastomosis DS. Mean percentage of total weight loss was 16.0% at 6 months, 20.1% at 12 months, 18.8% at 24 months, and 21.8% at 36 months after the procedure. The final model suggests that preoperative BMI is the most significant indicator for initial status and the rate of change in BMI. Adjusting for preoperative BMI, type of procedure significantly affected the rate of change in BMI. The rate of decrease was fastest in RYGB patients, adjusting for preoperative BMI. One patient was readmitted 26 days after the conversion for pulmonary embolism and intraabdominal hematoma, and no patient required a reoperation within 30 days after the conversion.

Conclusion

Conversions of LSG to RYGB, double anastomosis DS, and SADI-S are safe and can provide significant additional weight loss.

Keywords

Sleeve gastrectomy Conversion Weight regain Failure of weight loss Duodenal switch Gastric bypass 

Notes

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

Ethical Approval

For this type of study, formal consent is not required.

Informed Consent

Does not apply.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Bariatric SurgeryOrlando Regional Medical Center, Orlando HealthOrlandoUSA

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