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09.12.2015 | Original Contributions | Ausgabe 8/2016

Obesity Surgery 8/2016

Is There a Role for Visceral Adiposity in Inducing Type 2 Diabetes Remission in Severely Obese Patients Following Biliopancreatic Diversion with Duodenal Switch Surgery?

Zeitschrift:
Obesity Surgery > Ausgabe 8/2016
Autoren:
Audrey Auclair, Julie Martin, Marjorie Bastien, Nadine Bonneville, Laurent Biertho, Simon Marceau, Frédéric-Simon Hould, Simon Biron, Stéfane Lebel, Odette Lescelleur, Jean-Pierre Després, Paul Poirier

Abstract

Background

Severe obesity is often characterized by ectopic fat deposition, which is related to development of type 2 diabetes (T2D). Thus, resolution of T2D may not be linearly associated with weight loss. The importance of ectopic fat reduction after bariatric surgery and T2D resolution is uncertain.

Objective

The aim of this pilot study is to compare body composition and body fat distribution in severely obese patients with or without T2D after biliopancreatic diversion with duodenal switch (BPD-DS) surgery in relation to diabetes resolution.

Methods

Sixty-two severely obese patients were evaluated at baseline, 6, and 12 months. Of these, 40 patients underwent BPD-DS surgery. Anthropometric measurements and abdominal and mid-thigh computed tomography scans were performed at each visit.

Results

Before BPD-DS surgery, obese patients with T2D had higher weight as well as greater ectopic fat deposition in the abdomen and mid-thigh level than obese patients without T2D (p < 0.05). Resolution of T2D was 65 and 90 % at 6 and 12 months, respectively. No difference in body composition changes at 6 and 12 months could be found between patients without T2D, patients with T2D resolution, and patients who remained T2D. Resolution of T2D was associated with a greater absolute loss of visceral adipose tissue (VAT) in comparison to patients without T2D (−1175 ± 570 cm3 vs. −729 ± 394 cm3 at 6 months and −1647 ± 816 cm3 vs. −1103 ± 422 cm3 at 12 months; all p ≤ 0.05).

Conclusion

Ectopic fat mobilization, particularly the absolute loss of VAT, may play a major role in T2D resolution following BPD-DS surgery, regardless of the amount of weight loss.

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