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Online Letters: Comments and Responses

Comment on: Cohen et al. Effects of Gastric Bypass Surgery in Patients With Type 2 Diabetes and Only Mild Obesity. Diabetes Care 2012;35:1420–1428

  1. Shwetha Thukunthla, MD and
  2. L. Maria Belalcazar, MD
  1. Division of Endocrinology and Metabolism, University of Texas Medical Branch, Galveston, Texas
  1. Corresponding author: L. Maria Belalcazar, lmbelalc{at}utmb.edu.
Diabetes Care 2013 Jun; 36(6): e79-e79. https://doi.org/10.2337/dc12-2244
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Cohen et al. (1) have taken a lead role in examining the effects of gastric bypass surgery in a population of patients who may benefit from bariatric procedures but who, because of weight-limiting criteria, are not deemed candidates by current guidelines. The authors concluded that Roux-en-Y gastric bypass is a safe and effective procedure to ameliorate type 2 diabetes and to reduce estimated cardiovascular disease (CVD) risk. We believe that for this population of mildly obese individuals, a full evaluation of their clinical characteristics is needed to appropriately weigh the benefit-to-risk ratio of the surgical intervention.

Clinical trials have taught us that improved glucose control does not necessarily lead to a reduction in CVD events (2). Furthermore, in the current era of statins, the additional benefit of weight loss for CVD risk reduction is uncertain (3). In the absence of known CVD, statins are indicated in adults with diabetes over the age of 40 years if they present with at least one additional CVD risk factor (4). Participants in this study had a mean age of 47 years and a mean baseline LDL cholesterol of approximately 140 mg/dL. Information on major CVD risk factors, aside from blood pressure and HDL cholesterol, is missing. No data are available regarding statin use. In addition, the impact of the intervention on measures of bone health in this sample with several years of follow-up is unknown. Data on the long-term consequences of bariatric procedures in individuals such as those participating in the study by Cohen et al. (1) is needed before we can endorse the use of bariatric surgery in mildly obese diabetic individuals.

Acknowledgments

No potential conflicts of interest relevant to this article were reported.

  • © 2013 by the American Diabetes Association.

Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. See http://creativecommons.org/licenses/by-nc-nd/3.0/ for details.

References

  1. ↵
    1. Cohen RV,
    2. Pinheiro JC,
    3. Schiavon CA,
    4. Salles JE,
    5. Wajchenberg BL,
    6. Cummings DE
    . Effects of gastric bypass surgery in patients with type 2 diabetes and only mild obesity. Diabetes Care 2012;35:1420–1428
    OpenUrlAbstract/FREE Full Text
  2. ↵
    1. Gerstein HC,
    2. Miller ME,
    3. Genuth S,
    4. et al.,
    5. ACCORD Study Group
    . Long-term effects of intensive glucose lowering on cardiovascular outcomes. N Engl J Med 2011;364:818–828
    OpenUrlCrossRefPubMedWeb of Science
  3. ↵
    National Institutes of Health. Weight loss does not lower heart disease risk from type 2 diabetes [Internet Press Release], U.S. Department of Health and Human Services, 19 October 2012. Available from http://www.nih.gov/news/health/oct2012/niddk-19.htm. Accessed 20 October 2012
  4. ↵
    1. American Diabetes Association
    . Standards of medical care in diabetes—2012 (Position Statement). Diabetes Care 2012;35:S11–S63
    OpenUrlFREE Full Text
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Diabetes Care: 36 (6)

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Comment on: Cohen et al. Effects of Gastric Bypass Surgery in Patients With Type 2 Diabetes and Only Mild Obesity. Diabetes Care 2012;35:1420–1428
Shwetha Thukunthla, L. Maria Belalcazar
Diabetes Care Jun 2013, 36 (6) e79; DOI: 10.2337/dc12-2244

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Comment on: Cohen et al. Effects of Gastric Bypass Surgery in Patients With Type 2 Diabetes and Only Mild Obesity. Diabetes Care 2012;35:1420–1428
Shwetha Thukunthla, L. Maria Belalcazar
Diabetes Care Jun 2013, 36 (6) e79; DOI: 10.2337/dc12-2244
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© 2021 by the American Diabetes Association. Diabetes Care Print ISSN: 0149-5992, Online ISSN: 1935-5548.