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A Matched Cohort Analysis of Stomach Intestinal Pylorus Saving (SIPS) Surgery Versus Biliopancreatic Diversion with Duodenal Switch with Two-Year Follow-up

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Abstract

Background

In bariatric surgery, the procedure with the highest average weight loss is the biliopancreatic diversion with duodenal switch (BPDDS). A new simplified duodenal switch called the stomach intestinal pylorus sparing (SIPS) surgery with less malabsorption and one fewer anastomosis claims to have similar outcomes when compared to the BPDDS.

Methods

A retrospective matched cohort analysis of SIPS versus BPDDS patients in a single private practice was obtained by matching every BPDDS to a SIPS patient of the same gender and BMI. Excess weight loss percentage (EWL), BMI, and percentage total weight loss (%TWL) were compared. Additionally, comorbidity resolution, nutritional data, and complications were also compared. Data was analyzed using both descriptive and comparative statistics.

Results

Over 2 years, there was no statistical difference in weight loss between BPDDS and SIPS. There also was no difference in nutritional data between the two procedures pre- and post-op. Complication rates were lower in SIPS however, due to the small sample sizes this is not statistically significant.

Conclusion

Weight loss and nutritional results between SIPS and BPDDS are similar at 2 years. However, there are fewer complications with SIPS.

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Authors and Affiliations

  1. Bariatric Medicine Institute, 1046 East 100 South, Salt Lake City, UT, 84102, USA

    Austin Cottam, Daniel Cottam, Hinali Zaveri, Amit Surve, Samuel Cottam, Legrand Belnap, Walter Medlin & Christina Richards

  2. Department of Surgery, The Duke Center for Metabolic and Weight Loss Surgery, Duke University Medical Center, Durham, NC, 27704, USA

    Dana Portenier

Authors
  1. Austin Cottam
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Corresponding author

Correspondence to Daniel Cottam.

Ethics declarations

Statement of 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.

Inform Consent

Since this is a retrospective study formal consent is not required for this type of study.

Conflict of Interest

Austin Cottam has no conflicts of interest to declare.

Daniel Cottam the corresponding author reports personal fees and other from Medtronic, outside the submitted work.

Dana Portenier has no conflicts of interest to declare.

Hinali Zaveri has no conflicts of interest to declare.

Amit Surve has no conflicts of interest to declare.

Samuel Cottam has no conflicts of interest to declare.

Legrand Belnap has no conflicts of interest to declare.

Walter Medlin has no conflicts of interest to declare.

Christina Richards has no conflicts of interest to declare.

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Cottam, A., Cottam, D., Portenier, D. et al. A Matched Cohort Analysis of Stomach Intestinal Pylorus Saving (SIPS) Surgery Versus Biliopancreatic Diversion with Duodenal Switch with Two-Year Follow-up. OBES SURG 27, 454–461 (2017). https://doi.org/10.1007/s11695-016-2341-7

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  • DOI: https://doi.org/10.1007/s11695-016-2341-7

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