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02.01.2019 | Original Contributions | Ausgabe 4/2019

Obesity Surgery 4/2019

Does Metabolic Surgery Lead to Diabetes Remission in Patients with BMI < 30 kg/m2?: a Meta-analysis

Zeitschrift:
Obesity Surgery > Ausgabe 4/2019
Autoren:
Matilde Rubio-Almanza, David Hervás-Marín, Rosa Cámara-Gómez, Jana Caudet-Esteban, Juan Francisco Merino-Torres
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s11695-018-03654-x) contains supplementary material, which is available to authorized users.

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Abstract

Background

Bariatric surgery has demonstrated to be effective in remission of type 2 diabetes in obese patients, but it is unclear in non-obese patients. The aim of this study is to investigate if metabolic surgery is effective in diabetes resolution in patients with BMI < 30 kg/m2.

Materials and Methods

A systematic review was performed and the content of the PubMed, Ovid, and the Cochrane Library databases covering the period January 2008 to April 2018 was searched. Studies with metabolic surgery performed in patients with type 2 diabetes, BMI < 30 kg/m2 and a follow-up ≥ 6 months were included. Type 2 diabetes remission rate and metabolic parameters changes were measured. A meta-analysis was conducted with the selected studies.

Results

Twenty-six studies were included in the meta-analysis (1105 patients). The mixed-effects meta-analysis model for overall diabetes remission rate produced an estimate of 43% (95% IC 34–53%, p < 0.001). Moderator effects of the variables race, preoperative HbA1c, BMI, months of follow-up, duration of diabetes, and age on diabetes remission were also assessed, with no significant effects being found in any of them. A reduction in BMI (− 3.57 kg/m2), fasting blood glucose (− 55.93 mg/dL) and HbA1c (− 2.08%) was observed after surgery.

Conclusions

Metabolic surgery could be effective in remission of type 2 diabetes in BMI < 30 kg/m2 patients but randomized and long-term studies are necessary. The scientific community should agree in a single definition of type 2 diabetes remission, in order to know the real effect of metabolic surgery in this group of patients.

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