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Remission of type 2 diabetes: is bariatric surgery ready for prime time?

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Abstract

There is mounting evidence that bariatric surgery leads to higher remission rates of type 2 diabetes than any conventional medical treatment, lifestyle intervention, or medically supervised weight loss program. Although remission rates of type 2 diabetes may be as high as 66.7 % after gastric bypass and 28.6 % after gastric band, very few bariatric surgery studies report long-term results with sufficient patient follow-up to minimize biased results. Hence, trials that directly compare bariatric surgery procedures with medical and lifestyle intervention for patients with type 2 diabetes are the best candidate for assessing the role of bariatric surgery in diabetes remission. Three randomized controlled trials and one prospective study have so far been published comparing the effect of Roux-en-Y gastric bypass (RYGB) procedure against optimal medical therapy, with a follow-up ranging from 1 to 6 years: the percentage of diabetic patients in remission (hemoglobin A1C < 6–6.5 % without medications) ranged from 38 to 75 % at the end of follow-up. Intensive lifestyle intervention is also superior to conventional treatment for inducing remission of type 2 diabetes, with remission rates of type 2 diabetes between 10 and 15 % at 1 year of follow-up. Bariatric surgical procedures, especially RYGB, are more effective at inducing initial type 2 diabetes remission in obese patients, but more information is needed about the long-term durability of comorbidity control and complications after bariatric procedures. In the meantime, all efforts should be directed toward primary prevention of type 2 diabetes, given the encouraging results of lifestyle intervention studies.

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Authors and Affiliations

  1. Department of Clinical and Experimental Medicine, Second University of Naples, Naples, Italy

    Katherine Esposito

  2. Department of Medical, Surgical, Neurological, Metabolic Sciences and Geriatrics, Second University of Naples, Naples, Italy

    Maria Ida Maiorino, Giuseppe Bellastella & Dario Giugliano

  3. IOS and Coleman – Medicina Futura Medical Center, Centro Direzionale, Naples, Italy

    Michela Petrizzo

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  1. Katherine Esposito
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  2. Maria Ida Maiorino
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  4. Giuseppe Bellastella
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  5. Dario Giugliano
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Correspondence to Katherine Esposito.

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Esposito, K., Maiorino, M.I., Petrizzo, M. et al. Remission of type 2 diabetes: is bariatric surgery ready for prime time?. Endocrine 48, 417–421 (2015). https://doi.org/10.1007/s12020-014-0463-z

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  • DOI: https://doi.org/10.1007/s12020-014-0463-z

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